H2O2 Cancer Research Results

H2O2, Hydrogen peroxide (H2O2): Click to Expand ⟱

Source:

Type:

H2O2 is a reactive oxygen species (ROS) that can induce oxidative stress in cells. While low levels of ROS can promote cell signaling and proliferation, high levels can lead to DNA damage, apoptosis (programmed cell death), and other cellular dysfunctions. This dual role means that H2O2 can contribute to cancer development and progression, as oxidative stress can lead to mutations and genomic instability.
H2O2 can enhance the effectiveness of certain chemotherapeutic agents by increasing oxidative stress in cancer cells. Additionally, localized delivery of H2O2 has been explored as a means to selectively target and kill cancer cells while sparing normal cells.
Cancer cells often exhibit altered metabolism, leading to increased production of reactive oxygen species, including H2O2. This can result from enhanced mitochondrial activity, increased glycolysis, or other metabolic adaptations that are characteristic of cancer.

Reported H2O2 concentrations for representative compounds.

Prooxidant	Dose	Cell Line	H2O2 Produced
EGCG	50 µM	Jurkat	~1 µM
EGCG	10 µM	HCT116 and HT29	1.5 µM
EGCG	100 µM	Jurkat	20 µM
Quercetin	70 µM	HT29	2 µM
Menadione	10 µM	Jurkat	20 µM
Plumbagin	4 µM	SiHA and HeLa	1 mM
β-Lap	1 µM	HL-60	70 µM
Doxorubicin	1 µM	PC3	38 pM
Ascorbic Acid	1 mM	HL-60	161 µM
Ascorbic Acid	0.2–2.0 mM	Lymphoma	20–120 µM
Ascorbic Acid	i.v. 0.5 mg/g	Rats	0–20 µM
Ascorbic Acid	i.p. 4.0 g/kg	Mice tumor	> 125 µM
TiO2	10 µg/mL	HepG2	150 nmol/mL
Paclitaxel	100 nM	MCF7	600 nM
Paclitaxel	100 nM	HL-60	1100 nM

Note: many products at lower concentrations act as antioxidants, instead of Prooxidants.

Generally, increased hydrogen peroxide and oxidative stress are associated with poor outcomes, while the specific context and cellular environment can modulate its effects.

Scientific Papers found: Click to Expand⟱

3540-

ALA,

Thioctic (lipoic) acid: a therapeutic metal-chelating antioxidant?

in-vitro,

NA,

*lipid-P↓, TA also inhibited Cu(2+)-catalysed liposomal peroxidation.
*H2O2↓, TA inhibited intracellular H2O2 production in erythrocytes challenged with ascorbate,
*IronCh↑, ability of TA to act as a metal-chelator

5689-

BJ,

Brucea javanica oil inhibited the proliferation, migration, and invasion of oral squamous carcinoma by regulated the MTFR2 pathway

vitro+vivo,

Oral,

CAL27

nude mice with xenografted OSCC cells and in vitro experiments with OSCC

TumCP↓, BJO treatment significantly inhibited the proliferation, migration, and invasiveness of OSCC cells
TumCMig↓,
TumCI↓,
SOD2↓, BJO could effectively reduce the expression levels of MTFR2 and SOD2/H2O2 related signal transduction pathways.
H2O2↓,
OXPHOS↑, At the same time, the expression of oxidative phosphorylation markers increased, the expression of glycolytic markers decreased
Glycolysis↓, down-regulation of MTFR2-mediated aerobic glycolysis
ROS↑, Wang D et al. suggested that Brucea javanica oil induces cell cycle arrest and apoptosis in lung cancer cells through reactive oxygen species (ROS)-mediated mitochondrial dysfunction (14).
RadioS↑, Pan P et al. reported that Brucea javanica oil enhances the radio-sensitization of esophageal cancer cells by inhibiting HIF1α (15).
Hif1a↓,
TumCG↓, BJO represses the xenograft tumor growth in vivo

6043-

CGA,

SeNPs,

Enhanced Effect of Combining Chlorogenic Acid on Selenium Nanoparticles in Inhibiting Amyloid β Aggregation and Reactive Oxygen Species Formation In Vitro

in-vitro,

AD,

*ROS↓, The in vitro biological evaluation revealed that CGA could clear the ROS induced by Aβ40 aggregates,
*Aβ↓, Interestingly, CGA@SeNPs show an enhanced inhibition effect on Aβ40 aggregation and, more importantly, protect PC12 cells from Aβ aggregation-induced cell death.
*BioAv↝, use of CGA is limited by its low bioavailability and stability, and only one third of CGA absorbed from the gastrointestinal tract reaches blood circulation
*BioAv↑, we have explored the binding of CGA to SeNPs (CGA@SeNPs) to improve CGA potential therapeutic efficacy.
*Dose↝, We found that the best concentration ratio of Na2SeO3 to CGA was 1:6. CGA@SeNPs have a spherical structure with a diameter about 100 nm
*ROS↓, CGA@SeNPs have strong scavenging activities against radicals in a concentration-dependent manner. The point to be noted is that the modification of CGA on SeNPs exerts a synergistic effect on antioxidant activity.
*H2O2↓, As shown in Fig. 2, CGA@SeNPs and CGA decreased H2O2 in a dose-dependent manner.
*toxicity↓, Furthermore, the CGA@SeNPs were non-toxic to PC12 cells

4768-

CoQ10,

Role of coenzymes in cancer metabolism

Review,

Var,

Risk↓, Deficiency of NADH dehydrogenase ubiquinone 1 subunit (Ndufc2), a subunit of CI, has been found in diabetes, cancer, and stroke
*ROS↓, CoQ10 function as an intracellular antioxidant preventing mitochondrial membrane proteins and phospholipids from free radical-induced oxidative damage
AntiCan↑, CoQ10 supplementation has found beneficial effects in diabetes [137,138], huntington's disease [139], coronary heart disease [140,141], congestive cardiac failure [142], fibromyalgia [143,144], and cancer
TumMeta↓, In addition, they observed that the patients with metastasis had lower CoQ10 levels than those who did not
ROS↑, It has been shown in an in vitro study on C57BL/6 mice that treatment with 100 μM CoQ10 for 72 h. can significantly alleviates pancreatic fibrosis by the ROS-triggered PI3K/AKT/mTOR signaling pathway
TumCG↓, Another in vitro and in vivo study on melanoma cells demonstrated that treatment with CoQ10 inhibit cell growth, induce apoptosis and prevent metastasis through suppression of the Wnt/β-catenin signaling pathway
Apoptosis↑,
TumMeta↓,
Wnt↓,
β-catenin/ZEB1↓,
TumCG↓, CoQ10 significantly lowered the growth of prostate cancer cells without affecting non-cancer prostate cells
selectivity↑,
RadioS↑, human glioblastoma cells with CoQ10 combined with radiation therapy and temozolomide, sensitized cells to radiation-induced DNA damage and potentiates temozolomide cytotoxicity
ChemoSen↑,
H2O2↓, In vitro study suggests that treatment of breast cancer cell lines with CoQ10 significantly decrease intracellular H2O2 content and inhibit MMP-2 activity leading to lower invasion and metastasis
MMP2↓,
cardioP↑, acute reversible depression of myocardial function and a chronic irreversible cardiomyopathy were prevented by different doses of CoQ10
ChemoSen∅, a recent study demonstrated that CoQ10 did not inhibit doxorubicin induced cytotoxicity in breast cancer cell lines [
Dose↝, 59 patients undergoing chemotherapy were enrolled and provided with CoQ10 (30 mg), branch chain amino acids (2500 mg), and carnitine (50 mg) for 21 days.

2818-

CUR,

Novel Insight to Neuroprotective Potential of Curcumin: A Mechanistic Review of Possible Involvement of Mitochondrial Biogenesis and PI3/Akt/ GSK3 or PI3/Akt/CREB/BDNF Signaling Pathways

Review,

AD,

*neuroP↑, Curcumin's protective functions against neural cell degeneration due to mitochondrial dysfunction and consequent events such as oxidative stress, inflammation, and apoptosis in neural cells have been documented
*ROS↓, studies show that curcumin exerts neuroprotective effects on oxidative stress.
*Inflam↓,
*Apoptosis↓,
*cognitive↑, cognitive performance to receive the title of neuroprotective
*cardioP↑, Studies have shown that curcumin can induce cell regeneration and defense in multiple organs such as the brain, cardiovascular system,
other↑, It has been shown that chronic use of curcumin in patients with neurodegenerative disorder can cause gray matter volume increase
*COX2↓, Curcumin also decreased the brain protein levels and activity of cyclooxygenase 2 (COX-2)
*IL1β↓, inhibition of IL-1β and TNF-α production, and enhancement of Nf-Kβ inhibition
*TNF-α↓,
NF-kB↓,
*PGE2↓, hronic curcumin therapy has shown a significant decrease in lipopolysaccharide (LPS)-induced elevation of brain prostaglandin E2 (PGE2) synthesis in rats
*iNOS↓, curcumin pretreatment decreased NOS activity in the ischemic rat model
*NO↓, curcumin has been shown to decrease NOS expression and NO production in rat brain tissue
*IL2↓, IL-2 is a cytokine that is anti-inflammatory. Numerous studies have shown that curcumin increases the secretion of IL-2
*IL4↓, curcumin reduced levels of IL-4
*IL6↓, Numerous studies have shown that curcumin in neurodegenerative events attenuates IL-6 production
*INF-γ↓, curcumin reduced the production of INF-γ, as pro-inflammatory cytokine
*GSK‐3β↓, Furthermore, previous findings have confirmed that inhibition of GSK-3β or CREB activation by curcumin has reduced the production of pro-inflammatory mediators under different conditions
*STAT↓, Inhibition of GSK-3β by curcumin has been found to result in reduced STAT activation
*GSH↑, chronic curcumin therapy increased glutathione levels in primary cultivated rat cerebral cortical cells
*MDA↓, multiple doses of 5, 10, 40 and 60 mg/kg) in rodents will inhibit neurodegenerative agent malicious effects, and reduce the amount of MDA and lipid peroxidation in brain tissue
*lipid-P↓,
*SOD↑, Curcumin induces increased production of SOD, glutathione peroxidase (GPx), CAT, and glutathione reductase (GR) activating antioxidant defenses
*GPx↑,
*Catalase↑,
*GSR↓,
*LDH↓, Curcumin decreased lactate dehydrogenase, lipoid peroxidation, ROS, H2O2 and inhibited Caspase 3 and 9
*H2O2↓,
*Casp3↓,
*Casp9↓,
*NRF2↑, ncreased mitochondrial uncoupling protein 2 and increased mitochondrial biogenesis. Nuclear factor-erythroid 2-related factor 2 (Nrf2)
*AIF↓, Curcumin treatment decreased the number of AIF positive nuclei 24 h after treatment in the hippocampus,
*ATP↑, curcumin in hippocampal cells induced an increase in mitochondrial mass leading to increased production of ATP with major improvements in mitochondrial efficiency

20-

EGCG,

Potential Therapeutic Targets of Epigallocatechin Gallate (EGCG), the Most Abundant Catechin in Green Tea, and Its Role in the Therapy of Various Types of Cancer

in-vivo,

Liver,

in-vivo,

Tong,

HH↓,
Gli1↓,
Smo↓,
TNF-α↓,
COX2↓, EGCG inhibits cyclooxygenase-2 without affecting COX-1 expression at both the mRNA and protein levels, in androgen-sensitive LNCaP and androgen-insensitive PC-3
*antiOx↑, EGCG is a well-known antioxidant and it scavenges most free radicals, such as ROS and RNS
Hif1a↓,
NF-kB↓,
VEGF↓,
STAT3↓,
Bcl-2↓,
P53↑, EGCG activates p53 in human prostate cancer cells
Akt↓,
p‑Akt↓,
p‑mTOR↓,
EGFR↓,
AP-1↓,
BAX↑,
ROS↑, apoptosis was convoyed by ROS production and caspase-3 cleavage
Casp3↑,
Apoptosis↑,
NRF2↑, pancreatic cancer cells via inducing cellular reactive oxygen species (ROS) accumulation and activating Nrf2 signaling
*H2O2↓, EGCG plays a role in the inhibition of H2O2 and NO production in human skin [10].
*NO↓, EGCG plays a role in the inhibition of H2O2 and NO production in human skin [10].
*SOD↑, fig 2
*Catalase↑, fig 2
*GPx↑, fig 2
*ROS↓, fig 2

2910-

LT,

FA,

Folic acid-modified ROS-responsive nanoparticles encapsulating luteolin for targeted breast cancer treatment

in-vitro,

BC,

4T1

in-vivo,

NA,

mice

BioAv↓, poor aqueous solubility and low bioactivity of Lut restrict its clinical translation
BioAv↑, Herein, we developed a reactive oxygen species (ROS)-responsive nanoplatforms to improve the bioactivity of Lut.
eff↑, inhibited tumor growth ∼3 times compared to the Lut group
tumCV↓, viability of 4T1 cells was decreased significantly when treated with upon 40 µM of Lut/FA-Oxi-αCD NPs
e-H2O2↓, Interestingly, the extracellular H2O2 concentration of 4T1 cells was decreased obviously with Lut treatment, due to Lut is a widely used antioxidant that can eliminate ROS
i-H2O2∅, However, both Lut and blank Oxi-αCD NPs could not eliminate intracellular H2O2

3528-

Lyco,

The Importance of Antioxidant Activity for the Health-Promoting Effect of Lycopene

Review,

Nor,

Review,

AD,

Review,

Park,

*antiOx↑, the antioxidant effect of lycopene
*ROS↓, Lycopene has the ability to reduce reactive oxygen species (ROS) and eliminate singlet oxygen, nitrogen dioxide, hydroxyl radicals, and hydrogen peroxide
*BioAv↝, human body cannot synthesize lycopene. It must be supplied with the diet
*Half-Life↑, half-life of lycopene in human plasma is 12–33 days
*BioAv↓, bioavailability decreases with age and in the case of certain diseases
*BioAv↑, heat treatment process of food increases the bioavailability of lycopene
*cardioP↑, positive effect on cardiovascular diseases, including the regulation of blood lipid levels
*neuroP↑, beneficial effects in nervous system disorders, including neurodegenerative diseases such as Parkinson′s disease and Alzheimer′s disease
*H2O2↓, Lycopene has the ability to reduce reactive oxygen species (ROS) and eliminate singlet oxygen, nitrogen dioxide, hydroxyl radicals, and hydrogen peroxide
*VitC↑, ability to regenerate non-enzymatic antioxidants such as vitamin C and E.
*VitE↑,
*GPx↑, increase in cardiac GSH-Px activity and an increase in cardiac GSH levels
*GSH↑,
*MPO↓, also a decrease in the level of cardiac myeloperoxidase (MPO), cardiac H2O2, and a decrease in cardiac glutathione S transferase (GSH-ST) activity.
*GSTs↓,
*SOD↑, increasing the activity of GSH-Px and SOD in the liver
*NF-kB↓, reducing the expression of NF-κB mRNA in the heart
*IL1β↓, decreased the level of IL-1β and IL-6 and increased the level of anti-inflammatory IL-10 in the heart
*IL6↓,
*IL10↑,
*MAPK↓, inhibited the activation of the ROS-dependent pro-hypertrophic mitogen-activated protein kinase (MAPK) and protein kinase B (Akt) signaling pathways.
*Akt↓,
*COX2↓, decrease in the levels of pro-inflammatory mediators in heart: COX-2, TNF-α, IL-6, and IL-1β and an increase in the anti-inflammatory cardiac TGF-β1.
*TNF-α↓,
*TGF-β1↑,
*NO↓, reduced NO levels in heart and cardiac NOS activity
*GSR↑, increase in the level of cardiac and hepatic SOD, CAT, GSH, GPx, and glutathione reductase (GR)
*NRF2↑, It also activated nuclear factor-erythroid 2 related factor 2 (Nrf2). This affected the downstream expression of HO-1 [97].
*HO-1↑,
*TAC↑, Researchers observed an increase in the liver in TAC and GSH levels and an increase in GSH-Px and SOD activity
*Inflam↓, study showed that lycopene was anti-inflammatory
*BBB↑, Lycopene is a lipophilic compound, which makes it easier to penetrate the blood–brain barrier.
*neuroP↑, Lycopene had also a neuroprotective effect by restoring the balance of the NF-κB/Nrf2 pathway.
*memory↑, lycopene on LPS-induced neuroinflammation and oxidative stress in C57BL/6J mice. The tested carotenoid prevented memory loss

972-

MAG,

Magnolol suppresses hypoxia-induced angiogenesis via inhibition of HIF-1α/VEGF signaling pathway in human bladder cancer cells

vitro+vivo,

Bladder,

T24/HTB-9

angioG↓,
VEGF↓,
H2O2↓,
Hif1a↓,
VEGFR2↓,
Akt↓,
mTOR↓,
P70S6K↓,
4E-BP1↓,
TumCG↓,
CD31↓,
CA↓, carbonic anhydrase IX

5252-

MAG,

Insights on the Multifunctional Activities of Magnolol

Review,

Var,

BioAv↓, However, the low water solubility, the low bioavailability, and the rapid metabolism of magnolol dramatically limit its clinical application.
*Inflam↓, biological activities of magnolol, including anti-inflammatory, antimicroorganism, antioxidative, anticancer, neuroprotective, cardiovascular protection, metabolism regulation, and ion-mediating activity.
*Bacteria↓,
*antiOx↑,
*neuroP↑,
*cardioP↑,
CYP1A1↓, Magnolol isreported to inhibit the activity of CYP1A with an IC50value of 1.62 𝜇M,
*PPARγ↑, greatly upregulate the expression of PPAR𝛾 and suppress the expression of NF-𝜅B signaling, cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase (iNOS) and the production of ROS in bronchoalveolar lavage fluid
*NF-kB↓,
*COX2↓,
*iNOS↓,
*ROS↓,
Apoptosis↑, Pretreatment of combina-tion of magnolol with honokiol significantly decreases cellviability and proliferation and increases cell apoptosis
TumCCA↑, Magnolol at lower doses can cause cell cycle arrest atG0/G1 phase, decrease the expression of cyclin D1, cyclin A,and CDK2, and increase the expression of p21
cycD1/CCND1↓,
cycA1/CCNA1↓,
CDK2↓,
P21↑,
TumCG↓, magnolol significantly inhibits cell growth,migration, and invasion, accompanied by decreased expres-sion of Ki67, proliferating cell nuclear antigen (PCNA),matrix metalloproteinases 2 (MMP-2),
TumCMig↓,
TumCI↓,
Ki-67↓,
PCNA↓,
MMP2↓,
MMP9↓,
MMP7↓,
DNAdam↑, In nonsmall cell lung cancer A549, H441, and H520 celllines (NSCLC), magnolol selectively induces DNA fragmen-tation, decreases mitochondrial membrane potential (Δ𝜓m),and inhibits cell proliferation
MMP↓,
TumCP↓,
selectivity↑, However, there is no obvious cytotoxicity of magnololto normal human bronchial epithelial cells.
PI3K↓, magnolol activates the expression of p38 and JNK and attenuates the activity of PI3K/Akt and ERK1/2 in A549 cells [
Akt↓,
H2O2↓, magnolol decreases the production of H2O2 and the expression of HIF-1𝛼 and increases the degradationof HIF-1𝛼.
Hif1a↓,
*BDNF↑, neurotrophic factor (BDNF) and glial fibrillary acidic protein(GFAP) are downregulated ... effectively reverses the effects
*NRF2↑, Magnolol inhibits NF-𝜅B and MAPK signaling pathways and apoptosis and activates NRF2/KEAP1
*AChE↑, table 1

3897-

MCT,

The medium-chain fatty acid decanoic acid reduces oxidative stress levels in neuroblastoma cells

in-vitro,

AD,

*ROS↓, saturated MCFA decanoic acid (10:0) reduces the oxidative stress level in two different neuroblastoma cell lines.
*H2O2↓, Our results revealed a significant reduction of the H2O2 level in the conditioned medium for human SH-SY5Y cells treated with PC10:0/10:0 in comparison to solvent

3930-

PTS,

A Review of Pterostilbene Antioxidant Activity and Disease Modification

Review,

Var,

Review,

adrenal,

Review,

Stroke,

*BioAv↑, It has increased bioavailability in comparison to other stilbene compounds. pterostilbene was shown to have 80% bioavailability compared to 20% for resveratrol making it potentially advantageous as a therapeutic agent
*antiOx↑, Multiple studies have demonstrated the antioxidant activity of pterostilbene in both in vitro and in vivo models illustrating both preventative and therapeutic benefits.
*neuroP↑, anticarcinogenesis, modulation of neurological disease, anti-inflammation, attenuation of vascular disease, and amelioration of diabetes.
*Inflam↓,
*ROS↓, pterostilbene reduces oxidative stress (OS) and production of reactive oxygen species (ROS), such as hydrogen peroxide (H2O2) and superoxide anion (O2 −), which are implicated in the initiation and pathogenesis of several disease processes
*H2O2↓,
*GSH↑, pterostilbene have shown increased expression of the antioxidants catalase, total glutathione (GSH), glutathione peroxidase (GPx), glutathione reductase (GR), and superoxide dismutase (SOD).
*GPx↑,
*GSR↑,
*SOD↑,
TumCG↓, pterostilbene inhibit breast cancer in vitro and in vivo
PTEN↑, rats fed the blueberry diet exhibited higher mammary branching, increased nuclear immunoreactivity of tumor suppressor phosphatase and tensin homolog deleted in chromosome 10 (PTEN)
HGF/c-Met↓, blueberry extract significantly decreased human-growth-factor (HGF-) induced activation of the PI3 K/AkT/NK-κB pathway, which is implicated in breast carcinogenesis
PI3K↓,
Akt↓,
NF-kB↓,
TumMeta↓, inhibited the metastatic potential of breast cancer cells in vitro by inhibiting HGF-induced cell migration and matrix metalloproteinase-(MMP-) 2 and MMP-9 activity.
MMP2↓,
MMP9↓,
Ki-67↓, blueberry extract produced smaller tumors with decreased expression of Ki-67, a marker of cell proliferation, and increased expression of caspase-3, an apoptosis marker
Casp3↑,
MMP↓, increased mitochondrial depolarization,
H2O2↑, pterostilbene treatment increased GPx antioxidant activity and the production of H2O2 and singlet oxygen indicating a mechanism of ROS-induced apoptosis
ROS↑,
ChemoSen↑, pterostilbene treatment produced a synergistic inhibitory effect when combined with the chemotherapy drug Tamoxifen, demonstrating clinical potential in the treatment of breast cancer
*cardioP↑, blueberries, and pterostilbene alike, exhibit protective effects against cardiovascular disease possibly due to induction of antioxidant enzymes.
*CDK2↓, Pterostilbene also produced downregulation of the cell-cycle mediators, cyclin-dependent kinase (CDK)-2, CDK-4, cyclin E, cyclin D1, retinoblastoma (Rb), and proliferative cell nuclear antigen (PCNA), all of which promote unchecked VSMC proliferation
*CDK4↓,
*cycE/CCNE↓,
*cycD1/CCND1↓,
*RB1↓,
*PCNA↓,
*CREB↑, The authors found that treatment with blueberry extract decreased dopamine- (DA-) induced upregulation of the oxidative mediators, CREB and pPKCγ, indicating a significant antioxidant effect
*GABA↑, blueberry-fed aged rats had significant improvements in GABA potentiation and increased GSH compared to aged controls
*memory↑, 1- or 2-month blueberry diet showed significantly higher object memory recognition compared to control rats
*IGF-1↑, supplementation with blueberry extract was shown to enhance hippocampal plasticity and increase levels of insulin-like growth factor (IGF-) 1, IGF-2, and ERK resulting in improved spatial memory
*ERK↑,
TIMP1↑, increased endogenous tissue inhibitors of metalloproteinases (TIMPs)
BAX↑, ↑Bax, ↑cytochrome C, ↑Smac/Diablo, ↑MnSOD
Cyt‑c↑,
Diablo↑,
SOD2↑,

68-

QC,

BaP,

Differential protein expression of peroxiredoxin I and II by benzo(a)pyrene and quercetin treatment in 22Rv1 and PrEC prostate cell lines

in-vitro,

Pca,

22Rv1

 1, 5, 10 uM

in-vitro,

Pca,

PrEC

PrxI∅, Prx-I, Prx-II PrEC cells
PrxII∅, PrEC cells
*toxicity↓, lack of quercetin-mediated changes in Prx expression suggests that quercetin does not interfere with H2O2 levels, and thus may have no deleterious effect in normal prostate cells
ROS↓, <10uM Quercetin
ROS↑, BaP-mediated toxicity in both 22Rv1 and PrEC cells was confirmed by a significant increase in reactive oxygen species
ROS∅, Quercetin also antagonized the increase in ROS by BaP which suggests that BaP-mediated oxidative stress could be blocked with quercetin in 22Rv1 and PrEC cells. S
chemoP↑, Studies have shown that quercetin can be a potential chemopreventative agent in prostate cancer.
PrxII↑, A physiologically achievable concentration (5uM) of quercetin increased the expression of Prx II without affecting the Prx I levels in 22Rv1 cells
i-H2O2↓, Upregulation of Prx II may reduce the intracellular levels of H 2 O2 which in turn can interfere with growth signaling pathways suppressing cell proliferation.

79-

QC,

Chemopreventive Effect of Quercetin in MNU and Testosterone Induced Prostate Cancer of Sprague-Dawley Rats

in-vivo,

Pca,

 200 mg/kg/3x/week

 rats

GSH↑, The lipid peroxidation, H2O2, in (MNU+T) treated rats were increased and GSH level was decreased, whereas simultaneous quercetin-treated rats reverted back to normal level
SOD↑,
Catalase↑,
GPx↑, SOD, catalase, GPX, Glutathionereductase, GST activities were significantly decreased in VP & DLP ofcancer-induced rats compared to control. Whereas, simultaneousquercetin supplement showed increased activities. (PDF) Chemopreventive Effect of Que
GSR↑,
IGF-1R↓, IGFIR, AKT, AR, cell proliferative and anti-apoptotic proteins were increased in cancer-induced group whereas supplement of quercetin decreased its expression.
Akt↓,
AR↓, Protein expressions of AR were increased in both VP and DLP of cancer-induced rats and decreasedin quercetin supplemented rats.Fig. 2. Effect of quercetin on mRNA expressions of IGFIR, Bax, Bcl2, Caspase-3 and -8 in VP of cancer-induced male rats.G.
TumCP↓,
lipid-P↓,
H2O2↓,
Raf↓, Raf-1 and pMEK pro-tein expressions were increased significantly in cancer-induced rats compared to control whereas simultaneous quercetin treatment decreased the expressions
p‑MEK↓,
Bcl-2↑, Bcl2, Bcl-xl were significantly increased and apoptotic protein caspase-3,-8,-9 expressions were significantly decreased in cancer-induced rats compared to control in both ventral and dorsolateral prostate. But,this was the other way around when s
Bcl-xL↑,
Casp3↑,
Casp8↑,
Casp9↑,

3341-

QC,

Antioxidant Activities of Quercetin and Its Complexes for Medicinal Application

Review,

Var,

Review,

Stroke,

*antiOx↑, we highlight the recent advances in the antioxidant activities, chemical research, and medicinal application of quercetin.
*BioAv↑, Moreover, owing to its high solubility and bioavailability,
*GSH↑, Animal and cell studies found that quercetin induces GSH synthesis
*AChE↓, In this way, it has a stronger inhibitory effect against key enzymes acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), which are associated with oxidative properties
*BChE↓,
*H2O2↓, Quercetin has been shown to alleviate the decline of manganese-induced antioxidant enzyme activity, the increase of AChE activity, hydrogen peroxide generation, and lipid peroxidation levels in rats, thereby preventing manganese poisoning
*lipid-P↓,
*SOD↑, quercetin significantly enhanced the expression levels of endogenous antioxidant enzymes such as Cu/Zn SOD, Mn SOD, catalase (CAT), and GSH peroxidase in the hippocampal CA1 pyramidal neurons of animals suffering from ischemic injury.
*SOD2↑,
*Catalase↑,
*GPx↑,
*neuroP↑, Thus, quercetin may be a potential neuroprotective agent for transient ischemia
*HO-1↑, quercetin can promote fracture healing in smokers by removing free radicals and upregulating the expression of heme-oxygenase- (HO-) 1 and superoxide-dismutase- (SOD-) 1, which protects primary human osteoblasts exposed to cigarette smoke
*cardioP↑, Quercetin has also been shown to prevent heart damage by clearing oxygen-free radicals caused by lipopolysaccharide (LPS)-induced endotoxemia.
*MDA↓, quercetin treatment increased the levels of SOD and CAT and reduced the level of MDA after LPS induction, suggesting that quercetin enhanced the antioxidant defense system
*NF-kB↓, quercetin promotes disease recovery by downregulating the expression of NIK and NF-κB including IKK and RelB, and upregulating the expression of TRAF3.
*IKKα↓,
*ROS↓, quercetin controls the development of atherosclerosis induced by a high-fructose diet by inhibiting ROS and enhancing PI3K/AKT.
*PI3K↑,
*Akt↑,
*hepatoP↑, Quercetin exerts antioxidant and hepatoprotective effects against acute liver injury in mice induced by tertiary butyl hydrogen peroxide. T
P53↑, Quercetin prevents cancer development by upregulating p53, which is the most common inactivated tumor suppressor. It also increases the expression of BAX, a downstream target of p53 and a key pro-apoptotic gene in HepG2 cells
BAX↑,
IGF-1R↓, Studies have found that insulin-like growth factor receptor 1 (IGFIR), AKT, androgen receptor (AR), and cell proliferation and anti-apoptotic proteins are increased in cancer, but quercetin supplementation normalizes their expression
Akt↓,
AR↓,
TumCP↓,
GSH↑, Moreover, quercetin significantly increases antioxidant enzyme levels, including GSH, SOD, and CAT, and inhibits lipid peroxides, thereby preventing skin cancer induced by 7,12-dimethyl Benz
SOD↑,
Catalase↑,
lipid-P↓,
*TNF-α↓, Heart: increases TNF-α, and prevents Ca2+ overload-induced myocardial cell injury
*Ca+2↓,

2566-

RES,

A comprehensive review on the neuroprotective potential of resveratrol in ischemic stroke

Review,

Stroke,

*neuroP↑, comprehensive overview of resveratrol's neuroprotective role in IS
*NRF2↑, Findings from previous studies suggest that Nrf2 activation can significantly reduce brain injury following IS and lead to better outcomes
*SIRT1↑, neuroprotective effects by activating nuclear factor erythroid 2-related factor 2 (NRF2) and sirtuin 1 (SIRT1) pathways.
*PGC-1α↑, IRT1 activation by resveratrol triggers the deacetylation and activation of downstream targets like peroxisome proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1α) and forkhead box protein O (FOXO)
*FOXO↑,
*HO-1↑, ctivation of NRF2 through resveratrol enhances the expression of antioxidant enzymes, like heme oxygenase-1 (HO-1) and NAD(P)H quinone oxidoreductase 1 (NQO1), which neutralize reactive oxygen species and mitigate oxidative stress in the ischemic bra
*NQO1↑,
*ROS↓,
*BP↓, Multiple studies have demonstrated that resveratrol presented protective effects in IS, it can mediate blood pressure and lipid profiles which are the main key factors in managing and preventing stroke
*BioAv↓, The residual quantity of resveratrol undergoes metabolism, with the maximum reported concentration of free resveratrol being 1.7–1.9 %
*Half-Life↝, The levels of resveratrol peak 60 min following ingestion. Another study found that within 6 h, there was a further rise in resveratrol levels. This increase can be attributed to intestinal recirculation of metabolites
*AMPK↑, Resveratrol also increases AMPK and inhibits GSK-3β (glycogen synthase kinase 3 beta) activity in astrocytes, which release energy, makes ATP available to neurons and reduces ROS
*GSK‐3β↓,
*eff↑, Furthermore, oligodendrocyte survival is boosted by resveratrol, which may help to preserve brain homeostasis following a stroke
*AntiAg↑, resveratrol may suppress platelet activation and aggregation caused by collagen, adenosine diphosphate, and thrombin
*BBB↓, Although resveratrol is a highly hydrophobic molecule, it is exceedingly difficult to penetrate a membrane like the BBB. However, an alternate administration is through the nasal cavity in the olfactory area, which results in a more pleasant route
*Inflam↓, Resveratrol's anti-inflammatory effects have been demonstrated in many studies
*MPO↓, Resveratrol dramatically lowered the amounts of cerebral infarcts, neuronal damage, MPO activity, and evans blue (EB) content in addition to neurological impairment scores.
*TLR4↓, TLR4, NF-κB p65, COX-2, MMP-9, TNF-α, and IL-1β all had greater levels of expression after cerebral ischemia, whereas resveratrol decreased these amounts
*NF-kB↓,
*p65↓,
*MMP9↓,
*TNF-α↓,
*IL1β↓,
*PPARγ↑, Previous studies have shown that resveratrol activates the PPAR -γ coactivator 1α (PGC-1 α), which has free radical scavenging properties
*MMP↑, Resveratrol can prevent mitochondrial membrane depolarization, preserve adenosine triphosphate (ATP) production, and inhibit the release of cytochrome c
*ATP↑,
*Cyt‑c∅,
*mt-lipid-P↓, mitochondrial lipid peroxidation (LPO), protein carbonyl, and intracellular hydrogen peroxide (H2O2) content were significantly reduced in the resveratrol treatment group, while the expression of HSP70 and metallothionein were restored
*H2O2↓,
*HSP70/HSPA5↝,
*Mets↝,
*eff↑, Shin et al. showed that 5 mg/kg intravenous (IV) resveratrol reduced infarction volume by 36 % in an MCAO mouse model.
*eff↑, This study indicates that resveratrol holds the potential to improve stroke outcomes before ischemia as a pre-treatment strategy
*motorD↑, resveratrol treatment significantly reduced infarct volume and prevented motor impairment, increased glutathione, and decreased MDA levels compared to the control group,
*MDA↓,
*NADH:NAD↑, Resveratrol treatment significantly enhanced the intracellular NAD+/NADH ratio
eff↑, Pretreatment with resveratrol (20 or 40 mg/kg) significantly lowered the cerebral edema, infarct volume, lipid peroxidation products, and inflammatory markers
eff↑, Intraperitoneal administration of resveratrol at a dose of 50 mg/kg reduced cerebral ischemia reperfusion damage, brain edema, and BBB malfunction

3014-

RosA,

Rosmarinic Acid Supplementation Acts as an Effective Antioxidant for Restoring the Antioxidation/Oxidation Balance in Wistar Rats with Cadmium-Induced Toxicity

in-vivo,

Nor,

rats

*antiOx↑, Rats in Group 4 (cadmium-exposed and Rosmarinic acid-accessed) exhibited increased levels of total proteins, a significant increase in the levels of antioxidant markers including total thiols, glutathione, total antioxidant capacity (TAC),
*Thiols↑,
*GSH↑,
*TAC↑, decreased levels of total thiols, GSH, catalase, and TAC
*SOD↑, superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and catalase, and a significant decrease in the levels of blood cadmium, ALP, ALT, AST, creatinine, blood urea nitrogen (BUN), urea, bilirubin, and oxidation markers (H2O2, and MDA
*GPx↑,
*Catalase↑,
*ALP↓,
*ALAT↓,
*AST↓,
*creat↓,
*BUN↓,
*H2O2↓,
*MDA↓,
*ROS↓, significantly help attenuate the oxidative stress induced by cadmium
cardioP↑, benefits of RA are attributed to its anti-cancer, anti-depressive, antiallergic, anti-inflammatory, anti-angiogenic, cardioprotective, hepatoprotective, nephroprotective, neuroprotective, antimicrobial, hypoglycemic, and hypolipidemic bioactivities
hepatoP↑,
neuroP↑,

4736-

Se,

SFN,

Synergy between sulforaphane and selenium in protection against oxidative damage in colonic CCD841 cells

in-vitro,

Nor,

CCD841

*TrxR1↑, Treatment of cells with SFN and Se significantly induced TrxR-1 expression.
*H2O2↓, Pretreatment of cells with SFN protects against H2O2-induced cell death; this protection was enhanced by cotreatment with Se.
*NRF2↑, SFN activates the Nrf2 signaling pathway and protects against H2O2-mediated oxidative damage in normal colonic cells.

4735-

SeNPs,

Selenium triggers Nrf2-AMPK crosstalk to alleviate cadmium-induced autophagy in rabbit cerebrum

in-vivo,

Nor,

rabbits + Cd.

*MDA↓, Se decreased the contents of MDA and H2O2 and increased the activities of CAT, SOD, GST, GSH and GSH-Px, alleviating the imbalance of the redox system induced by Cd.
*H2O2↓,
*Catalase↑,
*SOD↑,
*GSTs↑,
*GSH↑,
*NRF2↓, Cd caused the up-regulation of the mRNA levels of autophagy-related genes (ATG3, ATG5, ATG7, ATG12 and p62), AMPK (Prkaa1, Prkaa2, Prkab1, Prkab2, Prkag2, Prkag3) and Nrf2 (Nrf2, HO-1 and NQO
*ATG3↓, which were alleviated by Se, indicated that Se inhibited Cd-induced autophagy and Nrf2 signaling pathway activation
*AMPK↓,
*ROS↓, our study found that Se antagonized Cd-induced oxidative stress and autophagy in the brain by generating crosstalk between AMPK and Nrf2 signaling pathway.

3650-

SIL,

Silibinin: a novel inhibitor of Aβ aggregation

in-vitro,

AD,

SH-SY5Y

SH-SY5Y cells from injuries caused by Aβ(1-42)-induced oxidative stress

*Aβ↓, silibinin also appears to act as a novel inhibitor of Aβ aggregation and this effect showed dose-dependency.
*H2O2↓, silibinin prevented SH-SY5Y cells from injuries caused by Aβ(1-42)-induced oxidative stress by decreasing H(2)O(2) production in Aβ(1-42)-stressed neurons

4731-

SSE,

Dietary selenium mitigates cadmium-induced apoptosis and inflammation in chicken testicles by inhibiting oxidative stress through the activation of the Nrf2/HO-1 signaling pathway

in-vivo,

Nor,

 Cd toxicity: chicken testis

*ROS↓, Se effectively suppressed the Cd-induced elevation in ROS, MDA, and H2O2 levels, while also preventing the downregulation of CAT, GSH, and T-AOC levels.
*MDA↓,
*H2O2↓,
*Catalase↑,
*GSH↑,
*NRF2↑, Se administration ameliorated the reduction in the expression levels of Nrf2, HO-1, and Bcl-2 induced by Cd
*HO-1↑,
*Bcl-2↑,
*other↝, this study elucidated that Se might mitigate Cd-induced oxidative stress in chicken testicles through the stimulation of the Nrf2/HO-1 signaling pathway,

4538-

TQ,

Thymoquinone Anticancer Effects Through the Upregulation of NRF2 and the Downregulation of PD‐L1 in MDA‐MB‐231 Triple‐Negative Breast Cancer Cells

in-vitro,

BC,

MDA-MB-231

in-vitro,

BC,

MDA-MB-468

antiOx↑, TQ exhibits considerable antioxidant activity and decreases the generation of H2O2, at the same time increasing catalase (CAT) activity, superoxide dismutase (SOD) enzyme, and glutathione (GSH).
H2O2↓, Thymoquinone Decreases Hydrogen Peroxide Levels in TNBC
Catalase↑, Thymoquinone Increased Catalase Enzyme Activities in TNBC Cells
SOD↑, Increased Superoxide Dismutase (SOD) Enzyme Activities in Thymoquinone-TreatedTNBC Cells
GSH↑, significant induction of the total GSH and GSSG levels was measured in TQ-treated MDA-MB-231 cells
PRNP↑, TQ treatment increased the levels of the different genes involved in the oxidative stress-antioxidant defense system PRNP, NQO1, and GCLM in both cell lines with significant large-fold change in MDA-MB-468
NQO1↑,
GCLM↑,
NRF2↑, Nrf2 mRNA and protein expression were also significantly increased in TQ-treated TNBC cells
PD-L1↓, , TQ administration increased mRNA levels while decreasing PD-L1 protein expression in both cell lines
chemoPv↑, TQ modifies the expression of multiple oxidative-stress-antioxidant system genes, ROS, antioxidant enzymes, Nrf2, and PD-L1 protein, pointing to the therapeutic potential and chemopreventive utilization of TQ in TNBC
ROS↓, Our study revealed that in the MDA-MB-231 TNBC cell line (Figure 2A), intracellular ROS generation was reduced by 10 (p = 0.0321), 15 (p = 0.0061), and 27% (p = 0.0004) at concentrations of 5, 10, and 15 μM, respectively,

2106-

TQ,

Cancer: Thymoquinone antioxidant/pro-oxidant effect as potential anticancer remedy

Review,

Var,

Apoptosis↑, The anticancer power of TQ is accomplished by several aspects; including promotion of apoptosis, arrest of cell cycle and ROS generation.
TumCCA↑,
ROS↑,
*Catalase↑, activation of antioxidant cytoprotective enzymes including, CAT, SOD, glutathione reductase (GR) [80], glutathione-S-transferase (GST) [81] and glutathione peroxidase (GPx) - scavenging H2O2 and superoxide radicals and preventing lipid peroxidation
*SOD↑,
*GR↑,
*GSTA1↓,
*GPx↑,
*H2O2↓,
*ROS↓,
*lipid-P↓,
*HO-1↑, application of TQ to HaCaT (normal) cells promoted the expression of HO-1 in a concentration and time-dependent pattern
p‑Akt↓, TQ could induce ROS which provoked phosphorylation and activation of Akt and AMPK-α
AMPKα↑,
NK cell↑, TQ was outlined to enhance natural killer (NK) cells activity
selectivity↑, Many researchers have noticed that the growth inhibitory potential of TQ is particular to cancer cells
Dose↝, Moreover, TQ has a dual effect in which it can acts as both pro-oxidant and antioxidant in a dose-dependent manner; it acts as an antioxidant at low concentration whereas, at higher concentrations it possess pro-oxidant property
eff↑, Pro-oxidant property of TQ occurs in the presence of metal ions including copper and iron which induce conversion of TQ into semiquinone. This leads to generation of reactive oxygen species (ROS) causing DNA damage and induction of cellular apoptosis
GSH↓, TQ for one hour resulted in three-fold increase of ROS while reduced GSH level by 60%
eff↓, pre-treatment of cells with N-acetylcysteine, counteracted TQ-induced ROS production and alleviated growth inhibition
P53↑, TQ provokes apoptosis in MCF-7 cancer cells by up regulating the expression of P53 by time-dependent manner.
p‑STAT3↓, TQ inhibited the phosphorylation of STAT3
PI3K↑, via up regulation of PI3K and MPAK signalling pathway
MAPK↑,
GSK‐3β↑, TQ produced apoptosis in cancer cells and modulated Wnt signaling by activating GSK-3β, translocating β-catenin
ChemoSen↑, Co-administration of TQ and chemotherapeutic agents possess greater cytotoxic influence on cancer cells.
RadioS↑, Treatment of cells with both TQ and IR enhanced the antiproliferative power of TQ as observed by shifting the IC50 values for MCF7 and T47D cells from ∼104 and 37 μM to 72 and 18 μM, respectively.
BioAv↓, TQ cannot be used as the primary therapeutic agent because of its poor bioavailability [177,178] and lower efficacy
NRF2↑, TQ to HaCaT cells promoted the expression of HO-1 in a concentration and time-dependent pattern. This was achieved via increasing stabilization of Nrf2

3399-

TQ,

Anticancer Effects of Thymoquinone through the Antioxidant Activity, Upregulation of Nrf2, and Downregulation of PD-L1 in Triple-Negative Breast Cancer Cells

in-vitro,

BC,

MDA-MB-231

NA,

BC,

MDA-MB-468

ROS↓, The results show that TQ exhibits considerable antioxidant activity and decreases the generation of H2O2,
H2O2↓,
Catalase↑, at the same time increasing catalase (CAT) activity, superoxide dismutase (SOD) enzyme, and glutathione (GSH
SOD↑,
GSH↑,
NQO1↑, TQ treatment increased the levels of the different genes involved in the oxidative stress-antioxidant defense system PRNP, NQO1, and GCLM in both cell lines
GCLM↑,
NRF2↑, Nrf2 mRNA and protein expression were also significantly increased in TQ-treated TNBC cells
PD-L1↓, increased mRNA levels while decreasing PD-L1 protein expression in both cell lines
GSSG↑, Interestingly, a significant increase in GSSG was only found at 5 µM (p < 0.01), followed by a 50% significant reduction (p > 0.001) in GSSG at 15 µM of TQ.
GPx1⇅, TQ boosted GPX1 in MDA-MB-468 cells while decreasing GPX1 in MDA-MB-231 TNBC cells
GPx4↓, mda-mb-231

3554-

TQ,

Neuroprotective efficacy of thymoquinone against amyloid beta-induced neurotoxicity in human induced pluripotent stem cell-derived cholinergic neurons

in-vitro,

AD,

*GSH↑, TQ restored the decrease in the intracellular antioxidant enzyme glutathione levels and inhibited the generation of reactive oxygen species induced by Aβ1–42.
*ROS↓,
*neuroP↑, Thus, the findings of our study suggest that TQ holds a neuroprotective potential and could be a promising therapeutic agent to reduce the risk of developing AD and other disorders of the central nervous system.
*Casp3↓, Aβ1–42 (5 μM) induced about 90% increase in the caspase 3/7 activities (**P < 0.01). However, TQ (100 nM) co-treatment restored caspase 3/7 activities to control sample level
*Casp7↓,
*antiOx↓, strong antioxidant capabilities, TQ has been demonstrated to protect the brain and the spinal cord from oxidative damage generated by different pathologies induced by a variety of free radicals
*H2O2↓, Intriguingly, the co-treatment with TQ restored the content of GSH and significantly inhibited the apparent increase in H2O2.

3559-

TQ,

Molecular signaling pathway targeted therapeutic potential of thymoquinone in Alzheimer’s disease

Review,

AD,

Review,

Var,

*antiOx↑, promising potential in the prevention and treatment of AD due to its significant antioxidative, anti-inflammatory,
*Inflam↓, anti-inflammatory activity of TQ is mediated through the Toll-like receptors (TLRs)
*AChE↓, In addition, it shows anticholinesterase activity and prevents α-synuclein induced synaptic damage.
AntiCan↑, NS plant, has been proven to have a wide range of pharmacological interventions, including antidiabetic, anticancer, cardioprotective, retinoprotective, renoprotective, neuroprotective, hepatoprotective and antihypertensive effects
*cardioP↑,
*RenoP↑,
*neuroP↑,
*hepatoP↑,
TumCG↓, potential ability to inhibit tumor growth by stimulating apoptosis as well as by suppression of the P13K/Akt pathways, cell cycle arrest and by inhibition of angiogenesis
Apoptosis↑,
PI3K↓,
Akt↑,
TumCCA↑,
angioG↓,
*NF-kB↓, TQ inhibits nuclear translocation of NF-kB which subsequently blocks the production of NF-kB mediated neuroinflammatory cytokines
*TLR2↓, TQ administration at different doses (10, 20, 40 mg/kg) significantly down-regulated the mRNA expression of TLR-2, TLR-4, MyD88, TRIF and their downstream effectors Interferon regulatory factor 3 (IRF-3)
*TLR4↓,
*MyD88↓,
*TRIF↓,
*IRF3↓,
*IL1β↓, TQ also inhibits LPS induced pro-inflammatory cytokine release like IL-1B, IL-6 and IL-12 p40/70 via its interaction with NF-kB
*IL6↓,
*IL12↓,
*NRF2↑, Nuclear erythroid-2 related factor/antioxidant response element (Nrf 2/ARE) being an upstream signaling pathway of NF-kB signaling pathway, its activation by TQ
*COX2↓, TQ also inhibits the expression of all genes regulated by NF-kB, i.e., COX-2, VEGF, MMP-9, c-Myc, and cyclin D1 which distinctively lowers NF-kB activation making it a potentially effective inhibitor of inflammation, proliferation and invasion
*VEGF↓,
*MMP9↓,
*cMyc↓,
*cycD1/CCND1↓,
*TumCP↓,
*TumCI↓,
*MDA↓, it prevents the rise of malondialdehyde (MDA), transforming growth factor beta (TGF-β), c-reactive protein, IL1-β, caspase-3 and concomitantly upregulates glutathione (GSH), cytochrome c oxidase, and IL-10 levels [92].
*TGF-β↓,
*CRP↓,
*Casp3↓,
*GSH↑,
*IL10↑,
*iNOS↑, decline of inducible nitric oxide synthase (iNOS) protein expression
*lipid-P↓, TQ prominently mitigated hippocampal lipid peroxidation and improved SOD activity
*SOD↑,
*H2O2↓, TQ is a strong hydrogen peroxide, hydroxyl scavenger and lipid peroxidation inhibitor
*ROS↓, TQ (0.1 and 1 μM) ensured the inhibition of free radical generation, lowering of the release of lactate dehydrogenase (LDH)
*LDH↓,
*Catalase↑, upsurge the levels of GSH, SOD, catalase (CAT) and glutathione peroxidase (GPX)
*GPx↑,
*AChE↓, TQ exhibited the highest AChEI activity of 53.7 g/mL in which NS extract overall exhibited 84.7 g/mL, which suggests a significant AChE inhibition.
*cognitive↑, Most prominently, TQ has been found to regulate neurite maintenance for cognitive benefits by phosphorylating and thereby activating the MAPK protein, particularly the JNK proteins for embryogenesis and also lower the expression levels of BAX
*MAPK↑,
*JNK↑,
*BAX↓,
*memory↑, TQ portrays its potential of spatial memory enhancement by reversing the conditions as observed by MWM task
*Aβ↓, TQ thus, has been shown to ameliorate the Aβ accumulation
*MMP↑, improving the cellular activity, inhibiting mitochondrial membrane depolarization and suppressing ROS

5904-

TV,

Pharmacological Properties and Molecular Mechanisms of Thymol: Prospects for Its Therapeutic Potential and Pharmaceutical Development

Review,

Var,

Review,

Stroke,

Review,

Diabetic,

Review,

Obesity,

Review,

AD,

Review,

Arthritis,

*antiOx↑, shown to possess various pharmacological properties including antioxidant, free radical scavenging, anti-inflammatory, analgesic, antispasmodic, antibacterial, antifungal, antiseptic and antitumor activities.
*ROS↓,
*Inflam↓,
*Bacteria↓,
AntiTum↑,
IronCh↑, chelation of metal ions
*HDL↑, antihyperlipidemic (via increasing the levels of high density lipoprotein cholesterol and decreasing the levels of low density lipoprotein cholesterol
*LDL↓,
*BioAv↝, videnced the presence of thymol in the stomach, intestine, and urine after its oral administration with sesame oil at a dose around 500 mg in rats and 1–3 g in rabbits.
*Half-Life↝, Oral administration of a single dose of thymol (50 mg/kg) was rapidly absorbed and slowly eliminated approximately within 24 h.The maximum concentration (Tmax) was reached after 30 min, while approximately 0.3 h was needed for the half-life
*BioAv↑, The rapid absorption of thymol indicates that it’s mainly absorbed in the upper component of the gut
*SOD↑, scavenging of free radicals by increasing the activities of several endogenous antioxidant enzymes levels viz. superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx), glutathione-S-transferase (GST)
*GPx↑,
*GSTs↑,
*eff↑, Thymol (0.02–0.20%) showed better antioxidant capacity than its isomer carvacrol in lipid systems due to its greater steric hindrance
radioP↑, Owing to its potent antioxidant potential, thymol showed radioprotective and anticlastogenic potential in gamma radiation induced Swiss albino mice
*MDA↓, Thymol supplementation increased the antioxidant status and decreased malondialdehyde (MDA) levels in broiler chickens
*other↑, Dietary supplementation with the combination of carvacrol–thymol (1:1) (100 mg/kg) reduced the occurrence of oxidative stress and the impairment of the intestinal barrier in weaning piglets by its potent antioxidant property
*COX1↓, by inhibiting both isoforms of cyclooxygenase (COX), with the most active being against COX-1 with an IC50 value of 0.2 μM.
*COX2↓,
*AntiAg↑, Thymol (1.1 μg/ml) exhibited inhibitory effects against arachidonic-acid-induced blood coagulation and platelet aggregation in vitro
*RNS↓, Thymol inhibited ROS (IC50= 3 μg/ml), reactive nitrogen species (RNS) (IC50= 4.7) and significantly reduced generation of NO and H2O2 as well as activities of nitric oxide synthase (NOS) and nicotinamide adenine dinucleotide reduced oxidase (NADH oxi
*NO↓,
*H2O2↓,
*NOS2↓,
*NADH↓,
*Imm↑, Thymol (25–200 mg/kg) was shown to modulate the immune system in cyclosporine-A treated Swiss albino mice by enhancing the expressions of cluster of differentiation 4 (CD4),
Apoptosis↑, anticancer actions of thymol include induction of apoptosis, anti-proliferation, inhibition of angiogenesis and migration
TumCP↓,
angioG↓,
TumCMig↓,
Ca+2↑, Intracellular Ca2+ overload
TumCCA↑, Cytotoxicity by stimulating cell cycle arrest in G0/G1 phase
DNAdam↑, DNA fragmentation, Bax protein expression, activation of caspase -9, -8 and -3 & concomitant PARP cleavage, AIF translocation
BAX↑,
Casp9↑,
Casp8↑,
Casp3↑,
cl‑PARP↑,
AIF↑,
i-ROS↑, intracellular ROS, depolarizing MMP, cytochrome-c release, cleavage of caspases, DNA fragmentation, activation of apaf-1,
MMP↓,
Cyt‑c↑,
APAF1↑,
Ca+2↑, In human glioblastoma cells, thymol (200–600 μM) produced a rise in (Ca2+)i levels
MMP9↓, diminished matrix metallopeptidase-9 (MMP9) and matrix metallopeptidase-2 (MMP2) production as well as protein kinase Cα (PKCα) and extracellular signal-regulated kinases (ERK1/2) phosphorylation
MMP2↓,
PKCδ↓,
ERK↓,
H2O2↑, Thymol increased the production of ROS and mitochondrial H2O2 thereby depolarizing mitochondrial membrane potential.
BAX↑, up-regulating Bcl-2 associated X protein (Bax) expression and down-regulating B-cell lymphoma (Bcl-2)
Bcl-2↓,
DNAdam↑, Thymol (IC50= 497 and 266 mM) was shown to induce DNA damage by increasing the levels of lipid peroxidation products;
lipid-P↑,
ChemoSen↑, This study recommended the combination of thymol with various chemotherapeutic agents to minimize its toxicity on normal cells and to improve the effectiveness of cancer treatment
chemoP↑,
*cardioP↑, significant increase in the activities of heart mitochondrial antioxidants (SOD, catalase, GPx, GSH)
*SOD↑,
*Catalase↑,
*GPx↑,
*GSH↑,
*BP↓, Thymol (1, 3, and 10 mg/kg) administration decreased the blood pressure and heart rate of Wistar rats whereas thymol (5 mg/kg) attenuated blood pressure in rabbits
*AntiDiabetic↑, protective effects of thymol in metabolic disorders such as diabetes mellitus and obesity
*Obesity↓,
RenoP↑, Thymol (20 mg/kg) was shown to inhibit cisplatin-induced renal injury by attenuating oxidative stress, inflammation and apoptosis in male adult Swiss Albino rats
*GastroP↑, This gastroprotective effect of thymol is believed to be due to increased mucus secretion
hepatoP↑, Thymol (150 mg/kg) showed to inhibit paracetamol induced hepatotoxicity in mice by preventing the alterations in the activities of hepatic marker enzymes
*AChE↓, Thymol (EC50= 0.74 mg/mL) was shown to possess acetylcholine esterase inhibitory activity but much less than its isomer carvacrol
*cognitive↑, Thymol (0.5–2 mg/kg) has been shown to inhibit cognitive impairments caused by increased Aβ levels or cholinergic hypofunction in Aβ
*BChE↓, whereas thymol (100 and 1000 μg/ml) also inhibited both AChE and butyrylcholinesterase (BChE) in a dose dependent manner
*other↓, Thymol (100 mg/kg) was shown to inhibit collagen induced arthritis by decreasing lipid peroxidation mediated oxidative stress by increasing the status of antioxidants in male Wistar rats
*BioAv↑, The encapsulation of thymol into methylcellulose microspheres by spray drying remarkably increases the bioavailability compared to free thymol

4874-

Uro,

EGCG,

A Combination Therapy of Urolithin A+EGCG Has Stronger Protective Effects than Single Drug Urolithin A in a Humanized Amyloid Beta Knockin Mice for Late-Onset Alzheimer's Disease

in-vivo,

AD,

humanized homozygous amyloid beta knockin (hAbKI) mice of late-onset Alzheimer’s disease

*motorD↑, increased positive effects of urolithin A and a combination treatment of urolithin A+EGCG in hAbKI mice for phenotypic behavioral changes including motor coordination, locomotion/exploratory activity, spatial learning and working memory
*memory↑,
*MitoP↑, mitophagy and autophagy genes were upregulated
*Aβ↓, The levels of amyloid beta (Aβ) 40 and Aβ42 are reduced in both treatments, however, the reduction is higher for combined treatment
*mitResp↑, Mitochondrial respiration is stronger for urolithin A compared to EGCG, indicating that mitophagy enhancer, urolithin A is a better and more promising molecule to enhance mitophagy activity.
*Nrf1↑, table4
*PINK1↑,
*PARK2↑,
*ATG5↑,
*Bcl-2↑,
*H2O2↓, we found hydrogen peroxide levels were reduced in urolithin A (p = 0.0008) and urolithin A+EGCG (p = 0.0004) treated hAbKI mice relative to untreated mice.
*ROS↓, urolithin A and EGCG act as free radical scavengers in hAbKI mice
*lipid-P↓, (lipid peroxidation) were also significantly reduced in urolithin A (p = 0.0003) and urolithin A+EGCG (p = 0.0002) treated hAbKI mice relative to untreated hAbKI mice
*mt-ATP↑, mitochondrial ATP levels were increased in urolithin A (p = 0.007) and urolithin A+EGCG (p = 0.0002) treated hAbKI mice relative to hAbKI untreated mice.

Showing Research Papers: 1 to 28 of 28

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 28

Pathway results for Effect on Cancer / Diseased Cells:

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

antiOx↓, 1, antiOx↑, 8, Catalase↑, 9, GPx↑, 10, GSH↑, 10, GSR↓, 1, GSR↑, 2, GSTA1↓, 1, GSTs↓, 1, GSTs↑, 2, H2O2↓, 19, HDL↑, 1, HO-1↑, 5, lipid-P↓, 6, mt-lipid-P↓, 1, MDA↓, 8, Mets↝, 1, MPO↓, 2, NADH↓, 1, NQO1↑, 1, Nrf1↑, 1, NRF2↓, 1, NRF2↑, 7, PARK2↑, 1, RNS↓, 1, ROS↓, 19, SOD↑, 11, SOD2↑, 1, TAC↑, 2, Thiols↑, 1, TrxR1↑, 1, VitC↑, 1, VitE↑, 1,

Metal & Cofactor Biology ⓘ

IronCh↑, 1,

Mitochondria & Bioenergetics ⓘ

AIF↓, 1, ATP↑, 2, mt-ATP↑, 1, mitResp↑, 1, MMP↑, 2, PGC-1α↑, 1, PINK1↑, 1,

Core Metabolism/Glycolysis ⓘ

ALAT↓, 1, AMPK↓, 1, AMPK↑, 1, BUN↓, 1, cMyc↓, 1, CREB↑, 1, LDH↓, 2, LDL↓, 1, NADH:NAD↑, 1, PPARγ↑, 2, SIRT1↑, 1,

Cell Death ⓘ

Akt↓, 1, Akt↑, 1, Apoptosis↓, 1, BAX↓, 1, Bcl-2↑, 2, Casp3↓, 3, Casp7↓, 1, Casp9↓, 1, Cyt‑c∅, 1, iNOS↓, 2, iNOS↑, 1, JNK↑, 1, MAPK↓, 1, MAPK↑, 1,

Transcription & Epigenetics ⓘ

other↓, 1, other↑, 1, other↝, 1,

Protein Folding & ER Stress ⓘ

HSP70/HSPA5↝, 1,

Autophagy & Lysosomes ⓘ

ATG3↓, 1, ATG5↑, 1, MitoP↑, 1,

DNA Damage & Repair ⓘ

PCNA↓, 1,

Cell Cycle & Senescence ⓘ

CDK2↓, 1, CDK4↓, 1, cycD1/CCND1↓, 2, cycE/CCNE↓, 1, RB1↓, 1,

Proliferation, Differentiation & Cell State ⓘ

ERK↑, 1, FOXO↑, 1, GSK‐3β↓, 2, IGF-1↑, 1, PI3K↑, 1, STAT↓, 1,

Migration ⓘ

AntiAg↑, 2, Ca+2↓, 1, MMP9↓, 2, TGF-β↓, 1, TGF-β1↑, 1, TumCI↓, 1, TumCP↓, 1,

Angiogenesis & Vasculature ⓘ

NO↓, 4, VEGF↓, 1,

Barriers & Transport ⓘ

BBB↓, 1, BBB↑, 1, GastroP↑, 1,

Immune & Inflammatory Signaling ⓘ

COX1↓, 1, COX2↓, 5, CRP↓, 1, IKKα↓, 1, IL10↑, 2, IL12↓, 1, IL1β↓, 4, IL2↓, 1, IL4↓, 1, IL6↓, 3, Imm↑, 1, INF-γ↓, 1, Inflam↓, 7, MyD88↓, 1, NF-kB↓, 5, p65↓, 1, PGE2↓, 1, TLR2↓, 1, TLR4↓, 2, TNF-α↓, 4, TRIF↓, 1,

Synaptic & Neurotransmission ⓘ

AChE↓, 4, AChE↑, 1, BChE↓, 2, BDNF↑, 1, GABA↑, 1,

Protein Aggregation ⓘ

Aβ↓, 4,

Hormonal & Nuclear Receptors ⓘ

GR↑, 1,

Drug Metabolism & Resistance ⓘ

BioAv↓, 2, BioAv↑, 6, BioAv↝, 3, Dose↝, 1, eff↑, 4, Half-Life↑, 1, Half-Life↝, 2,

Clinical Biomarkers ⓘ

ALAT↓, 1, ALP↓, 1, AST↓, 1, BP↓, 2, creat↓, 1, CRP↓, 1, IL6↓, 3, LDH↓, 2, NOS2↓, 1,

Functional Outcomes ⓘ

AntiDiabetic↑, 1, cardioP↑, 7, cognitive↑, 3, hepatoP↑, 2, memory↑, 4, motorD↑, 2, neuroP↑, 9, Obesity↓, 1, RenoP↑, 1, toxicity↓, 2,

Infection & Microbiome ⓘ

Bacteria↓, 2, IRF3↓, 1,
Total Targets: 153

Scientific Paper Hit Count for: H2O2, Hydrogen peroxide (H2O2)

5 Thymoquinone
3 Quercetin
2 Selenium NanoParticles
2 EGCG (Epigallocatechin Gallate)
2 Magnolol
1 Alpha-Lipoic-Acid
1 Brucea javanica
1 Chlorogenic acid
1 Coenzyme Q10
1 Curcumin
1 Luteolin
1 Folic Acid, Vit B9
1 Lycopene
1 MCToil
1 Pterostilbene
1 benzo(a)pyrene
1 Resveratrol
1 Rosmarinic acid
1 Selenium
1 Sulforaphane (mainly Broccoli)
1 Silymarin (Milk Thistle) silibinin
1 Selenite (Sodium)
1 Thymol-Thymus vulgaris
1 Urolithin

Query results interpretion may depend on "conditions" listed in the research papers.
Such Conditions may include : 
  -low or high Dose
  -format for product, such as nano of lipid formations
  -different cell line effects
  -synergies with other products 
  -if effect was for normal or cancerous cells

Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:%  Target#:138  State#:%  Dir#:1
  wNotes=on  sortOrder:rid,rpid

H2O2 Cancer Research Results

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress ⓘ

Metal & Cofactor Biology ⓘ

Mitochondria & Bioenergetics ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Kinase & Signal Transduction ⓘ

Transcription & Epigenetics ⓘ

DNA Damage & Repair ⓘ

Cell Cycle & Senescence ⓘ

Proliferation, Differentiation & Cell State ⓘ

Migration ⓘ

Angiogenesis & Vasculature ⓘ

Immune & Inflammatory Signaling ⓘ

Hormonal & Nuclear Receptors ⓘ

Drug Metabolism & Resistance ⓘ

Clinical Biomarkers ⓘ

Functional Outcomes ⓘ

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

Metal & Cofactor Biology ⓘ

Mitochondria & Bioenergetics ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Transcription & Epigenetics ⓘ

Protein Folding & ER Stress ⓘ

Autophagy & Lysosomes ⓘ

DNA Damage & Repair ⓘ

Cell Cycle & Senescence ⓘ

Proliferation, Differentiation & Cell State ⓘ

Migration ⓘ

Angiogenesis & Vasculature ⓘ

Barriers & Transport ⓘ

Immune & Inflammatory Signaling ⓘ

Synaptic & Neurotransmission ⓘ

Protein Aggregation ⓘ

Hormonal & Nuclear Receptors ⓘ

Drug Metabolism & Resistance ⓘ

Clinical Biomarkers ⓘ

Functional Outcomes ⓘ

Infection & Microbiome ⓘ

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