Curcumin / Catalase Cancer Research Results

CUR, Curcumin: Click to Expand ⟱
Features:
Curcumin is the main active ingredient in Turmeric. Member of the ginger family.Curcumin is a polyphenol extracted from turmeric with anti-inflammatory and antioxidant properties.
- Has iron-chelating, iron-chelating properties. Ferritin. But still known to increase Iron in Cancer cells.
- GSH depletion in cancer cells, exhaustion of the antioxidant defense system. But still raises GSH↑ in normal cells.
- Higher concentrations (5-10 μM) of curcumin induce autophagy and ROS production
- Inhibition of TrxR, shifting the enzyme from an antioxidant to a prooxidant
- Strong inhibitor of Glo-I, , causes depletion of cellular ATP and GSH
- Curcumin has been found to act as an activator of Nrf2, (maybe bad in cancer cells?), hence could be combined with Nrf2 knockdown
-may suppress CSC: suppresses self-renewal and pathways (Wnt/Notch/Hedgehog).

Curcumin — Curcumin is a turmeric-derived polyphenolic curcuminoid and diarylheptanoid from Curcuma longa, functionally best classified as a natural-product small molecule / nutraceutical candidate with pleiotropic redox, inflammatory, transcriptional, metabolic, and chemosensitizing activity. The standard abbreviation is CUR. It is the principal active pigment of turmeric rhizome, usually studied as purified curcumin, curcuminoid mixtures, turmeric extract, phytosomal curcumin, liposomal curcumin, nanoparticle curcumin, or piperine-enhanced formulations. Its oncology relevance is mechanistically broad but clinically constrained by poor aqueous solubility, rapid metabolism, low free systemic exposure, formulation variability, and insufficient well-powered cancer outcome trials.

Primary mechanisms (ranked):

  1. Suppression of NF-κB / STAT3 inflammatory-survival signaling, reducing cytokine, COX-2, iNOS, anti-apoptotic, invasion, and treatment-resistance programs.
  2. Biphasic redox modulation: ROS buffering in normal/inflamed tissue but ROS↑, GSH depletion, thioredoxin reductase disruption, and oxidative stress amplification in susceptible cancer models at sufficient exposure.
  3. Mitochondrial injury and intrinsic apoptosis, including mitochondrial membrane potential loss, cytochrome-c release, caspase activation, PARP cleavage, and ER-stress/UPR involvement.
  4. PI3K/AKT/mTOR and MAPK pathway modulation, contributing to growth arrest, autophagy modulation, apoptosis sensitization, and reduced survival signaling.
  5. Wnt/β-catenin, Hedgehog/GLI, Notch, and cancer-stem-cell suppression, reducing stemness, EMT, invasion, and recurrence-associated phenotypes in models.
  6. Hypoxia / HIF-1α and glycolysis inhibition, including reduced GLUT1, HK2, LDHA, PKM2, lactate/ECAR, and Warburg-like metabolic support in selected models.
  7. Anti-angiogenic and anti-metastatic modulation, including VEGF, MMPs, uPA, CXCR4/SDF-1, TGF-β/α-SMA, FAK, and EMT-related axes.
  8. Epigenetic and transcriptional reprogramming, including reported HDAC, DNMT, EZH2, Sp-family, p53, and microRNA-related effects.
  9. NRF2 modulation: generally cytoprotective in normal cells but potentially protective for cancer cells when NRF2 is activated; NRF2 suppression/knockdown can increase curcumin-induced ROS stress in some tumor models.
  10. Chemosensitization and radiosensitization, with parallel normal-tissue protective signals reported in some mucositis, dermatitis, oxidative-stress, and radioprotection contexts.

Bioavailability / PK relevance: Conventional oral curcumin has poor systemic bioavailability because of low solubility, low absorption, rapid conjugation, and rapid elimination. Oral trials have used doses up to gram-level daily dosing, but circulating free curcumin is typically low; measured plasma exposure often reflects conjugated curcumin. Piperine, phospholipid/phytosome, micellar, liposomal, nanoparticle, and other enhanced formulations can raise exposure, but each formulation should be treated as a distinct translational entity. Delivery constraints are central for oncology interpretation.

In-vitro vs systemic exposure relevance: Common in-vitro anticancer concentrations, often in the low-to-mid micromolar range and sometimes higher, frequently exceed achievable free plasma exposure from standard oral curcumin. Therefore, direct systemic anticancer claims from cell culture should be weighted cautiously unless supported by tissue-local exposure, enhanced formulation data, local delivery, IV/liposomal delivery, or clinically measured pharmacodynamic biomarkers.

Clinical evidence status: Preclinical evidence is extensive; human oncology evidence is mainly small human, biomarker, pilot, chemoprevention, adjunctive, symptom-management, and formulation trials. Current authoritative oncology summaries judge evidence inadequate to recommend curcumin-containing products as cancer treatment or as routine adjunct anticancer therapy, although symptom-support areas such as oral mucositis, radiation dermatitis, oxidative-status measures, and quality of life have more suggestive but still confirmatory-level evidence.


Clinical studies testing curcumin in cancer patients have used a range of dosages, often between 500 mg and 8 g per day; however, many studies note that doses on the lower end may not achieve sufficient plasma concentrations for a therapeutic anticancer effect in humans.
• Formulations designed to improve curcumin absorption (like curcumin combined with piperine, nanoparticle formulations, or liposomal curcumin) are often employed in clinical trials to enhance its bioavailability.

-Note half-life 6 hrs.
BioAv is poor, use piperine or other enhancers
Pathways:
- induce ROS production at high concentration. Lowers ROS at lower concentrations
curcumin can act as a pro-oxidant when blue light is applied
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓
- Lowers AntiOxidant defense in Cancer Cells: GSH↓ Catalase↓ HO1↓ GPx↓
but conversely is known as a NRF2↑ activator in cancer
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑">Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, uPA↓, VEGF↓, NF-κB↓, CXCR4↓, SDF1↓, TGF-β↓, α-SMA↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMT1↓, DNMT3A↓, EZH2↓, P53↑, HSP↓, Sp proteins↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, CDK2↓, CDK4↓, CDK6↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, ERK↓, EMT↓, TOP1↓, TET1↓,
- inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDHA↓, HK2↓, PFKs↓, PDKs↓, HK2↓, ECAR↓, OXPHOS↓, GRP78↑, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, FGF↓, PDGF↓, EGFR↓, Integrins↓,
- inhibits Cancer Stem Cells : CSC↓, CK2↓, Hh↓, GLi1↓, CD133↓, CD24↓, β-catenin↓, n-myc↓, sox2↓, OCT4↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK↓, ERK↓, JNK, TrxR**,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Curcumin Cancer Mechanism Ranking

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 NF-κB / STAT3 inflammatory survival signaling NF-κB ↓; STAT3 ↓; IL-6/TNF-α/COX-2/iNOS ↓; Bcl-2/Bcl-xL/survivin programs ↓ Inflammatory tone ↓; tissue-protective anti-inflammatory effect likely context-dependent R/G Reduced survival, inflammation, invasion, and therapy-resistance signaling Most central and industry-relevant axis; explains many downstream effects but is not curcumin-specific.
2 Biphasic redox stress and antioxidant buffering ROS ↑ (dose-dependent); GSH ↓; antioxidant reserve ↓; oxidative apoptosis ↑ ROS ↓; NRF2/SOD/GSH/catalase/HO-1 often ↑ in stress models R/G Selective redox pressure in susceptible tumor cells with normal-cell protection in lower-stress settings Direction depends strongly on concentration, formulation, light exposure, basal redox state, and tumor antioxidant capacity.
3 Thioredoxin reductase and GSH linked redox systems TrxR inhibition or redox cycling ↑; GSH depletion ↑; oxidative stress ↑ Usually buffered or antioxidant response ↑ at non-toxic exposure R/G Collapse of tumor redox compensation Mechanistically important for ROS amplification and radiosensitization; achievable exposure remains a major constraint.
4 Mitochondrial depolarization and intrinsic apoptosis ΔΨm ↓; cytochrome-c ↑; caspase-3/9 ↑; PARP cleavage ↑; apoptosis ↑ Generally ↔ or protected under oxidative/inflammatory stress R/G Execution of apoptosis after upstream redox and survival-signal disruption Central cytotoxic endpoint in many cell models; often downstream of ROS, ER stress, AKT/mTOR suppression, or p53 modulation.
5 PI3K / AKT / mTOR and autophagy balance PI3K ↓; AKT ↓; mTOR ↓; survival signaling ↓; autophagy ↑ or mixed Stress-adaptive autophagy ↔ or ↑ (context-dependent) R/G Growth suppression and apoptosis sensitization Autophagy may be cytotoxic or protective depending on model and timing; combination logic may require autophagy-state interpretation.
6 Wnt / β-catenin / Hedgehog / Notch stemness signaling β-catenin ↓; GLI/Hedgehog ↓; Notch ↓; CD133/CD44/OCT4/SOX2-like stemness markers ↓ Generally ↔; possible normal stem-cell effects are tissue/context-dependent G Reduced cancer stemness, EMT, self-renewal, and recurrence-associated phenotypes Important for anti-metastatic and anti-CSC positioning; evidence is mainly preclinical.
7 HIF-1α / glycolysis / Warburg metabolism HIF-1α ↓; GLUT1 ↓; HK2 ↓; LDHA ↓; PKM2 ↓; lactate/ECAR ↓; ATP stress ↑ Metabolic effects ↔ or adaptive; normal-cell toxicity depends on exposure G Reduced hypoxic adaptation and glycolytic energy support Mechanistically relevant but formulation and tissue exposure are critical; hypoxic tumors may be more relevant than normoxic cell culture.
8 EMT / invasion / metastasis matrix axis EMT ↓; MMP2/MMP9 ↓; uPA ↓; FAK ↓; CXCR4/SDF-1 ↓; migration/invasion ↓ Inflammation-linked remodeling ↓; wound-healing effects context-dependent G Anti-invasive and anti-metastatic phenotype Strongly supported in models; clinical anti-metastatic efficacy is not established.
9 VEGF / angiogenesis / hypoxia interface VEGF ↓; HIF-1α ↓; angiogenic signaling ↓ Angiogenesis modulation ↔ or ↓ (context-dependent) G Reduced tumor vascular-support signaling Overlaps with NF-κB, HIF-1α, STAT3, and inflammatory cytokine suppression.
10 Epigenetic and transcriptional reprogramming HDAC ↓; DNMT1/3A ↓; EZH2 ↓; Sp proteins ↓; p53 ↑ or restored in selected models Broad transcriptional effects possible; selectivity uncertain G Reactivation of growth-control and differentiation-associated programs Biologically plausible but highly model-dependent; direct target specificity is lower than pathway-level interpretation.
11 Ferroptosis and iron redox stress Iron/redox stress ↑; lipid peroxidation ↑; GPX4/GSH axis may ↓ (model-dependent) Iron-chelation and antioxidant protection may occur (context-dependent) R/G Potential ferroptosis contribution in susceptible tumor models Curcumin can behave as an iron chelator, antioxidant, or pro-oxidant depending on exposure, formulation, and cancer redox context.
12 NRF2 cytoprotection risk NRF2 ↑ may protect tumor cells; NRF2 depletion can enhance curcumin-induced ROS stress in some models NRF2 ↑ supports antioxidant and anti-inflammatory tissue protection G Dual-edged stress-response modulation Important caution for antioxidant matrix use: NRF2 activation is favorable in normal-cell protection but may be undesirable in NRF2-addicted tumors.
13 Chemosensitization and radiosensitization Chemo response ↑; radiation response ↑; apoptosis ↑; resistance pathways ↓ Chemo/radiation injury may ↓ in mucositis, dermatitis, and oxidative-stress contexts R/G Adjunct sensitization with possible normal-tissue protection Attractive translational axis, but clinical evidence remains mainly pilot/small-study; interaction risk should be checked per regimen.
14 Clinical Translation Constraint Free systemic exposure often insufficient for direct cytotoxic extrapolation from in-vitro micromolar data Enhanced formulations may improve exposure but may also alter safety, liver-risk profile, and interaction potential G Bioavailability and formulation dominate translational interpretation Separate ordinary curcumin, turmeric extract, piperine-enhanced, phytosomal, micellar, liposomal, nanoparticle, and IV/liposomal products where possible.

TSF legend:

P: 0–30 min

R: 30 min–3 hr

G: >3 hr
Catalase, Catalase: Click to Expand ⟱
Source:
Type:
Caspases are a cysteine protease that speed up a chemical reaction via pointing their target substrates following an aspartic acid residue.1 They are grouped into apoptotic (caspase-2, 3, 6, 7, 8, 9 and 10) and inflammatory (caspase-1, 4, 5, 11 and 12) mediated caspases.
Caspase-1 may have both tumorigenic or antitumorigenic effects on cancer development and progression, but it depends on the type of inflammasome, methodology, and cancer.
Catalase is an enzyme found in nearly all living cells exposed to oxygen. Its primary role is to protect cells from oxidative damage by catalyzing the conversion of hydrogen peroxide (H₂O₂), a potentially damaging byproduct of metabolism, into water (H₂O) and oxygen (O₂). This detoxification process is crucial because excess H₂O₂ can lead to the formation of reactive oxygen species (ROS) that damage proteins, lipids, and DNA.

Catalase and Cancer
Oxidative Stress and Cancer:
Cancer cells often experience increased levels of oxidative stress due to rapid proliferation and metabolic changes. This stress can lead to DNA damage, promoting tumorigenesis.
Catalase helps mitigate oxidative stress, and its expression can influence the survival and proliferation of cancer cells.
Expression Levels in Different Cancers:
Overexpression: In some cancers, such as breast cancer and certain types of leukemia, catalase may be overexpressed. This overexpression can help cancer cells survive in oxidative environments, potentially leading to more aggressive tumor behavior.
Downregulation: Conversely, in other cancers, such as colorectal cancer, reduced catalase expression has been observed. This downregulation can lead to increased oxidative stress, contributing to tumor progression and metastasis.
Prognostic Implications:
Survival Rates: Studies have shown that high levels of catalase expression can be associated with poor prognosis in certain cancers, as it may enable cancer cells to resist apoptosis (programmed cell death) induced by oxidative stress.

Some types of cancer cells have been reported to exhibit lower catalase activity, possibly increasing their vulnerability to oxidative damage under certain conditions. This vulnerability has even been exploited in some therapeutic strategies (for example, approaches that generate excess H₂O₂ or other ROS specifically targeting cancer cells have been researched).
Scientific Papers found: Click to Expand⟱
6232- CUR,  Rad,  Chemo,    The Effectiveness of Curcumin in Treating Oral Mucositis Related to Radiation and Chemotherapy: A Systematic Review
- Review, Var, NA
*VEGF↑, Curcumin has been observed to stimulate vascular endothelial growth factor (VEGF) and epidermal growth factor (EGF), both of which are responsible for cell proliferation and activity, thus promoting faster tissue healing
*Wound Healing↓,
*NRF2↑, Curcumin activates Nrf2 and promotes the release of antioxidant enzymes such as SOD, catalase (CAT), glutathione (GSH), and GSH-px
*Catalase↑,
*SOD↑,
*GSH↑,
*ROS↓, curcumin possesses powerful antioxidant properties that enable it to neu- tralize ROS, reducing oxidative damage to mucosal cells

6215- CUR,    Curcumin: biochemistry, pharmacology, advanced drug delivery systems, and its epigenetic role in combating cancer
- Review, Var, NA
*antiOx↑, Curcumin exerts potent antioxidant, anti-inflammatory, and anticancer effects by modulating multiple signaling pathways, including NF-κB, PI3K/Akt, and Wnt/β-catenin.
*Inflam↓,
*BioAv↓, curcumin’s clinical application is limited by poor solubility, rapid metabolism, and low systemic bioavailability.
NF-kB↓, graphical abstract
PI3K↓,
Akt↓,
Wnt↓,
β-catenin/ZEB1↓,
DNMTs↓,
TumCI↓,
TumMeta↓,
*BioAv↑, Advanced drug delivery systems such as nanoparticles, liposomes, and micelles have been developed to address these challenges. These systems enhance curcumin’s solubility, stability, and targeted delivery, improving therapeutic efficacy while minimiz
*BioAv↑, coadministration with piperine, lipid-based formulations, and nanoparticle microencapsulation have been developed. Piperine has been shown to increase curcumin absorption by up to 2000 percent
angioG↓, Curcumin is also known for its antiangiogenic action through its inhibitory activity against vascular endothelial growth factor (VEGF) and matrix metalloproteinases (MMPs)
VEGF↓,
MMPs↓,
*ROS↓, suppresses oxidative stress by scavenging free radicals and enhancing the activity of endogenous antioxidant enzymes such as superoxide dismutase (SOD) and catalase
*SOD↑,
*Catalase↑,
*GSTs↑, timulating phase II detoxifying enzymes such as glutathione S-transferase (GST), UDP-glucuronosyltransferase, and heme oxygenase-1 (HO-1).
*HO-1↑,
*NRF2↑, It also enhances the activity of the transcription factor Nrf2, which regulates genes crucial for cellular redox homeostasis and safeguarding cells against oxidative damage
mTOR↓, 0 to 50 μM, treatment was associated with decreased phosphorylation of Akt kinase (Akt), mammalian target of rapamycin (mTOR), glycogen synthase kinase (GSK3β), Forkhead box protein O1 (FOXO1), and other proteins
GSK‐3β↓,
FOXO1↓,
*radioP↑, Reduced radiation-induced dermatitis and inflammatory cytokine expression (IL-1, IL-6, TNF-α)
*IL1↓,
*IL6↓,
*TNF-α↓,
HATs↓, curcumin has been described as an agent that reduces histone acetylation by inhibiting HAT (histone acetyltransferases), such as the p300/CBP family of proteins
HDAC↓, curcumin has been detected to be an HDI and has the ability to inhibit the expressions of HDACs, like HDAC1, HDAC3, and HDAC8,
ROS↑, Elevating the levels of reactive oxygen species (ROS) in colon adenocarcinoma cells is one of the outcomes of treatment with curcumin, which results in a decline in cell proliferation and viability
ROS↑, at higher concentrations or in the presence of transition metal ions (e.g. Cu2+, Fe2+/Fe3+), curcumin can paradoxically act as a pro-oxidant.
MMP↓, Excess ROS damages mitochondrial membranes, oxidizes nucleic acids, lipids, and proteins, and activates apoptotic cascades via cytochrome c release and caspase activation
Casp↑,
Cyt‑c↑,
COX1↓, curcumin acts as a partial and condition-dependent inhibitor of both COX-1 and COX-2.
COX2↓,
PGE2↓, At lower or therapeutic concentrations, curcumin predominantly downregulates COX-2 and reduces prostaglandin E2 (PGE2) synthesis.
*cytoP450↓, curcumin’s capacity to inhibit cytochrome P450 enzymes may influence the metabolism of numerous medicines over extended durations.
ChemoSen↑, curcumin has been integrated with standard chemotherapy agents, including doxorubicin, cisplatin, and paclitaxel, to enhance cancer treatment efficacy
cardioP↑, co-delivery of curcumin and doxorubicin via nanoparticles improved anticancer effectiveness and decreased cardiotoxicity.
eff↑, concurrent treatment of curcumin and resveratrol has demonstrated increased anti-inflammatory and anticancer properties

6213- CUR,    Potentiality of Curcumin Against Radio-Chemotherapy Induced Oral Mucositis: A Review
- Review, Var, NA
*antiOx↑, The antioxidant effect of curcumin was governed by an elevated plasma levels of glutathione peroxidase (GSH) and superoxide dismutase (SOD), improved activity of catalase, and reduced level of lipid peroxidase in plasma.
*GSH↑,
*SOD↑,
*Catalase↑,
*lipid-P↓,
*NF-kB↓, nuclear factor-κB (NF-κB) instigation was significantly inhibited by curcumin followed by the activation of nuclear factor erythroid 2-related factor 2 (Nrf2)
*NRF2↑,
*Wound Healing↑, Similarly, curcumin prorogued the wound-healing activity by declining the levels of lipid peroxides (LPs)
*eff↑, faster wound healing efficiency with a better patient compliance by curcumin mouth wash for managing RT-induced OM

6212- CUR,  Rad,    Radiosensitization and Radioprotection by Curcumin in Glioblastoma and Other Cancers
- Review, Var, NA
RadioS↑, Although curcumin can sensitize cancer cells to irradiation, healthy cells are much less sensitive to this effect, and thus, curcumin is thought to be a potent, yet safe anti-cancer agent
*radioP↑, curcumin has been found to possess radioprotective properties, since it can lessen inflammatory toxicities associated with radiotherapy, like dermatitis, mucositis, and myelosuppression
EGFR↓, Curcumin can suppress the gene expression of EGFR, and downregulate the TGF-β pathway, thus leading to inhibition of cancer-associated fibroblasts (CAF)
TGF-β↓,
ROS↑, Curcumin can induce ROS generation and suppress DNA repair machinery, thus leading to increased radiation-induced cell death
P53↑, upregulation of both the expression and activity of p53, regulation of the anti-apoptotic PI3K signaling, and suppression of the activity of NF-κB and COX-2
PI3K↓,
NF-kB↓, curcumin increased radiation-induced apoptotic death primarily through inhibition of the NF-κB signaling pathway
COX2↓,
EMT↓, Curcumin was found to suppress radiation-induced EMT resulting in the inhibition of NSCLC migration and invasion
Hif1a↓, inhibition of the expression of both hypoxia-inducible factor 1-alpha (HIF-1a) and heat shock protein 90 (HSP90) proteins and increase in the levels of ROS
HSP90↓,
mTOR↓, In cervical cancer, curcumin has been studied as a potent mTOR inhibitor when given together with irradiation.
*Catalase↑, 40 rats were exposed to curcumin 1 day before irradiation to 3 consecutive days after irradiation, the levels of antioxidant enzymes, including catalase (CAT), superoxide dismutase (SOD), and malondialdehyde (MDA), were found to be considerably eleva
*SOD↑,
*MDA↑,
*Wound Healing↑, treatment with curcumin stimulated wound healing,
*hepatoP↑, curcumin treatment prior to radiation can prevent liver damages, mainly through the modulation of the NF-κB pathway and reduction of oxidative stress (upregulation of SOD, CAD and GSH levels in the curcumin-treated group)
*NF-kB↓,
*ROS↓,

6050- CUR,  SeNPs,    Efficacy of curcumin-selenium nanoemulsion in alleviating oxidative damage induced by aluminum chloride in a rat model of Alzheimer's disease
- in-vivo, AD, NA
*cognitive↑, Treatment with a curcumin-selenium nanoemulsion has been shown to enhance behavioural performance and mitigate degenerative changes induced by aluminium chloride (AlCl3)
*AChE↓, This nanoemulsion also reduced the activity of acetylcholinesterase (AChE) and lowered levels of key proteins, including Aβ, p53, tau, nuclear factor erythroid 2-related factor 2 (Nrf2), and tumour necrosis factor-alpha (TNF-α).
*Aβ↓,
*P53↓,
*tau↓,
*NRF2↓,
*TNF-α↓,
*NO↑, it significantly decreased nitric oxide (NO) levels in the brain while enhancing the activity of catalase (CAT) and superoxide dismutase (SOD).
*Catalase↑,
*antiOx↑, The study highlights the antioxidant and anti-inflammatory properties of the curcumin-selenium nanoemulsion, suggesting its potential as a therapeutic option for alleviating AD induced by AlCl3.
*Inflam↓,

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, NA
*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

2819- CUR,  Chemo,    Curcumin as a hepatoprotective agent against chemotherapy-induced liver injury
- Review, Var, NA
*hepatoP↑, Several studies have shown that curcumin could prevent and/or palliate chemotherapy-induced liver injury
*Inflam↓, mainly due to its anti-inflammatory, antioxidant, antifibrotic and hypolipidemic properties.
*antiOx↑,
*lipid-P↓, Curcumin can lower lipid peroxidation by increasing the content of GSH, a major endogenous antioxidant,
*GSH↑,
*SOD↑, as well as by enhancing the activity of endogenous antioxidant enzymes, such as SOD, CAT, GPx and GST
*Catalase↑,
*GPx↑,
*GSTs↑,
*ROS↓, elimination of ROS
*ALAT↓, attenuated the increase in serum levels of TNF-α as well as several liver enzymes, including ALT, AST, alkaline phosphatase and MDA which are markers of liver damage caused by MTX or cisplatin.
*AST↓,
*MDA↓,
*NRF2↑, Curcumin also attenuated DILI through activation of the nuclear factor-erythroid 2-related factor 2 (Nrf2) signaling pathway
*COX2↑, Curcumin can also inhibit the expression of cyclooxygenase-2 (COX-2)
*NF-kB↓, NF-κB inhibition, which decreased the downstream induction of COX-2, ICAM-1 and MCP-1 pro-inflammatory regulators
*ICAM-1↓,
*MCP1↓,
*HO-1↑, increase in HO-1 and NQO1 expression
CXCc↓, Downregulation of pro-inflammatory chemokines, (CXCL1, CXCL2, and MCP-1)

2654- CUR,    Oxidative Stress Inducers in Cancer Therapy: Preclinical and Clinical Evidence
- Review, Var, NA
ROS↑, ROS induction has been implicated as one of the mechanisms of the anticancer activity of curcumin and its derivatives in various cancers
Catalase↓, Curcumin induces ROS by inhibiting the activity of various ROS-related metabolic enzymes, such as CAT, SOD1, glyoxalase 1, and NAD(P)H dehydrogenase [quinone] 1 [146,149]
SOD1↓,
GLO-I↓,
NADPH↓,
TumCCA↑, ROS accumulation further mediates G1 or G2/M cell cycle arrest [146,147,150,154], senescence [146], and apoptosis.
Apoptosis↑,
Akt↓, downregulation of AKT phosphorylation [145
ER Stress↑, endoplasmic reticulum stress (namely through the PERK–ATF4–CHOP axis)
JNK↑, activation of the JNK pathway [151],
STAT3↓, and inhibition of STAT3 [155].
BioAv↑, Additionally, the combination of curcumin and piperine, a pro-oxidative phytochemical that drastically increases the bioavailability of curcumin in humans

2810- CUR,    Effect of curcuminoids on oxidative stress: A systematic review and meta-analysis of randomized controlled trials
- Review, Nor, NA
*SOD↑, significant increase of SOD activities especially for studies ≥6 weeks
*lipid-P↓, also significantly reduced lipid peroxides, increased GSH and catalase activity.
*GSH↑,
*Catalase↑,
*ROS↓, neutralization of free radicals

3794- CUR,    Curcumin hybrid molecules for the treatment of Alzheimer's disease: Structure and pharmacological activities
- Review, AD, NA
*GSK‐3β↓, Firstly, curcumin can inhibit kinases, such as GSK-3β and Cyclin-Dependent Kinase 5 (Cdk5), that excessively phosphorylate Tau protein
*CDK5↓,
*p‑tau↓,
*IronCh↑, curcumin's metal ion chelating capability contributes to the reduction of free radicals
*ROS↓,
*HO-1↑, upregulating antioxidant enzymes including heme oxygenase 1 (HO-1), superoxide dismutase (SOD), catalase, and enzymes involved in the synthesis of endogenous antioxidants, specifically glutathione (GSH)
*SOD↑,
*Catalase↑,
*GSH↑,
*TNF-α↓, inhibiting the expression of pro-inflammatory cytokines such as TNF-α, IL-6, and IL-12,
*IL6↓,
*IL12↓,
*NRF2↑, inducing the production of anti-inflammatory mediators including HO-1/NRF-2, PPARα-γ, and IL-4
*PPARγ↑,
*IL4↑,
*AChE↓, researchers have observed that curcumin can suppress AChE mRNA expression levels, effectively preventing the Cd-induced rise in AChE activity
*Dose↝, While curcumin directly interacts with AChE, its inhibitory activity remains weak (IC50 = 67.69 μM)
*GutMicro↑, curcumin's interaction with gut microbiota exhibits potential anti-AD properties.

3581- CUR,    Curcumin Attenuated Neurotoxicity in Sporadic Animal Model of Alzheimer's Disease
- NA, AD, NA
*antiOx↑, antioxidant and anti-inflammatory properties
*Inflam↓, treatment with CUR enhances pro-oxidant levels, antioxidant enzymes activities and anti-inflammatory cytokine production and decreases apoptotic cells in AlCl3-exposed hippocampus rats.
*BBB↑, CUR is able to cross the blood–brain barrier
*NRF2↑, CUR was shown to provide neuroprotection by inducing the upregulation of the transcription of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and by suppression of NF-κB activation
*NF-kB↓,
*cognitive↑, CUR Protects against AlCl3-Induced Cognitive Impairment
*ROS↓, Co-treatment with CUR significantly attenuated oxidative stress in the hippocampus by decreasing levels of MDA and enhancing SOD and catalase activities, when compared to AlCl3-treated animals.
*MDA↓,
*SOD↑,
*Catalase↑,
*INF-γ↓, CUR significantly reduced INF-γ concentration,
*IL4↓, our results showed that co- and post-treatments of CUR reduce IL-4 concentration.
*memory↑, CUR treatments protect rats against deterioration of spatial memory and
*TNF-α↓, CUR modulated the inflammatory status by the (i) inhibition of TNF-α and IL-1β production in the rat brain
*IL1β↓,

4827- QC,  CUR,    Synthetic Pathways and the Therapeutic Potential of Quercetin and Curcumin
- Review, Var, NA
*AntiCan↑, their anti-cancer effects, but also with regard to their anti-diabetic, anti-obesity, anti-inflammatory, and anti-bacterial actions.
*Inflam↓,
*Bacteria↓,
*AntiDiabetic↑,
*ROS↓, suppression of ROS formation via the inhibition of the enzyme activities involved in their production, or via scavenging ROS directly by acting as hydrogen donors; the chelation of the metal ions that induce ROS production;
*SOD↑, quercetin can eliminate free radicals and help maintain a stable redox state in cells by increasing anti-oxidant enzymes, such as superoxide dismutase (SOD), and catalase expressions, as well as the level of reduced glutathione (GSH)
*Catalase↑,
*GSH↑,
*NRF2↑, Quercetin can protect human granulosa cells from oxidative stress by inducing Nrf2 expression at both the gene and protein levels, which in turn induces the anti-oxidant thioredoxin (Trx) system.
*Trx↑,
*IronCh↑, pure curcumin, a metal chelator, directly removes ROS and regulates numerous enzymes.
*MDA↑, It has the potential to reduce the concentration of malondialdehyde (MDA) in serum and increase the total anti-oxidant potential
cycD1/CCND1↓, Cyclin D1 expression was significantly decreased in quercetin-treated ovarian SKOV-3 cells, but not in cisplatin (CDDP)-resistant SKOV3/CDDP cells.
PI3K↓, The levels of PI3K and phospho-Akt were decreased in curcumin-treated SKOV3 cells, which in turn increased caspase-3 and Bax levels.
Casp3↑,
BAX↑,
ChemoSen↑, Curcumin enhanced the efficacy of chemotherapy in colorectal cancer cells.
ROS↑, suggesting that quercetin-induced cytotoxicity and autophagy were initiated by the generation of ROS
eff↑, quercetin or curcumin with chemotherapeutic agents, as shown below, considerably enhances the antitumor potencies of doxorubicin (DOX) and cisplatin.
MMP↓, The synergistic treatment with curcumin and quercetin inhibited the cell proliferation associated with the loss of mitochondrial membrane potential (ΔΨm), the release of cytochrome c, a decrease in AKT and ERK phosphorylation in MGC803 human gastric
Cyt‑c↑,
Akt↓,
ERK↓,


Showing Research Papers: 1 to 12 of 12

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 12

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

Catalase↓, 1,   ROS↑, 5,   SOD1↓, 1,  

Mitochondria & Bioenergetics ⓘ

MMP↓, 2,  

Core Metabolism/Glycolysis ⓘ

GLO-I↓, 1,   NADPH↓, 1,  

Cell Death ⓘ

Akt↓, 3,   Apoptosis↑, 1,   BAX↑, 1,   Casp↑, 1,   Casp3↑, 1,   Cyt‑c↑, 2,   JNK↑, 1,  

Transcription & Epigenetics ⓘ

HATs↓, 1,   other↑, 1,  

Protein Folding & ER Stress ⓘ

ER Stress↑, 1,   HSP90↓, 1,  

DNA Damage & Repair ⓘ

DNMTs↓, 1,   P53↑, 1,  

Cell Cycle & Senescence ⓘ

cycD1/CCND1↓, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

EMT↓, 1,   ERK↓, 1,   FOXO1↓, 1,   GSK‐3β↓, 1,   HDAC↓, 1,   mTOR↓, 2,   PI3K↓, 3,   STAT3↓, 1,   Wnt↓, 1,  

Migration ⓘ

MMPs↓, 1,   TGF-β↓, 1,   TumCI↓, 1,   TumMeta↓, 1,   β-catenin/ZEB1↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 1,   EGFR↓, 1,   Hif1a↓, 1,   VEGF↓, 1,  

Immune & Inflammatory Signaling ⓘ

COX1↓, 1,   COX2↓, 2,   CXCc↓, 1,   NF-kB↓, 3,   PGE2↓, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↑, 1,   ChemoSen↑, 2,   eff↑, 2,   RadioS↑, 1,  

Clinical Biomarkers ⓘ

EGFR↓, 1,  

Functional Outcomes ⓘ

cardioP↑, 1,  
Total Targets: 50

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 5,   Catalase↑, 11,   GPx↑, 2,   GSH↑, 7,   GSR↓, 1,   GSTs↑, 2,   H2O2↓, 1,   HO-1↑, 3,   lipid-P↓, 4,   MDA↓, 3,   MDA↑, 2,   NRF2↓, 1,   NRF2↑, 8,   ROS↓, 9,   SOD↑, 10,   Trx↑, 1,  

Metal & Cofactor Biology ⓘ

IronCh↑, 2,  

Mitochondria & Bioenergetics ⓘ

AIF↓, 1,   ATP↑, 1,  

Core Metabolism/Glycolysis ⓘ

ALAT↓, 1,   cytoP450↓, 1,   LDH↓, 1,   PPARγ↑, 1,  

Cell Death ⓘ

Apoptosis↓, 1,   Casp3↓, 1,   Casp9↓, 1,   iNOS↓, 1,  

DNA Damage & Repair ⓘ

P53↓, 1,  

Proliferation, Differentiation & Cell State ⓘ

GSK‐3β↓, 2,   STAT↓, 1,  

Migration ⓘ

CDK5↓, 1,  

Angiogenesis & Vasculature ⓘ

NO↓, 1,   NO↑, 1,   VEGF↑, 1,  

Barriers & Transport ⓘ

BBB↑, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   COX2↑, 1,   ICAM-1↓, 1,   IL1↓, 1,   IL12↓, 1,   IL1β↓, 2,   IL2↓, 1,   IL4↓, 2,   IL4↑, 1,   IL6↓, 3,   INF-γ↓, 2,   Inflam↓, 6,   MCP1↓, 1,   NF-kB↓, 4,   PGE2↓, 1,   TNF-α↓, 5,  

Synaptic & Neurotransmission ⓘ

AChE↓, 2,   tau↓, 1,   p‑tau↓, 1,  

Protein Aggregation ⓘ

Aβ↓, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↓, 1,   BioAv↑, 2,   Dose↝, 1,   eff↑, 1,  

Clinical Biomarkers ⓘ

ALAT↓, 1,   AST↓, 1,   GutMicro↑, 1,   IL6↓, 3,   LDH↓, 1,  

Functional Outcomes ⓘ

AntiCan↑, 1,   AntiDiabetic↑, 1,   cardioP↑, 1,   cognitive↑, 3,   hepatoP↑, 2,   memory↑, 1,   neuroP↑, 1,   radioP↑, 2,   Wound Healing↓, 1,   Wound Healing↑, 2,  

Infection & Microbiome ⓘ

Bacteria↓, 1,  
Total Targets: 75

Scientific Paper Hit Count for: Catalase, Catalase
12 Curcumin
2 Radiotherapy/Radiation
2 Chemotherapy
1 Selenium NanoParticles
1 Quercetin
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#:65  Target#:46  State#:%  Dir#:%
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