Chrysin / ER Stress Cancer Research Results

CHr, Chrysin: Click to Expand ⟱
Features:
Chrysin is found in passion flower and honey. It is a flavonoid.
-To reach plasma levels that might more closely match the concentrations used in in vitro studies (typically micromolar), considerably high doses or advanced delivery mechanisms would be necessary.
Chrysin is widely summarized as modulating PI3K/Akt and MAPK pathways in cancer.

Chrysin — Chrysin is a naturally occurring flavone-class flavonoid found in honey, propolis, passionflower, and several plants. Its oncology relevance is mainly preclinical: it shows multi-pathway anticancer activity in cell and animal models, but native oral chrysin has very poor systemic bioavailability and no established approved oncology use.

Primary mechanisms (ranked):

  1. Suppression of PI3K/AKT survival signaling with downstream reduction in proliferation and survival programs.
  2. Induction of mitochondrial apoptosis through Bax/Bcl-2 shift, mitochondrial membrane potential loss, cytochrome c release, and caspase activation.
  3. Context-dependent ROS stress amplification in cancer cells, often linked to mitochondrial injury, ER stress, and apoptosis.
  4. ER stress / unfolded-protein-response activation leading to autophagy or stress-to-death coupling.
  5. Suppression of inflammatory, invasive, angiogenic, and metastatic signaling including NF-κB, MMPs, EMT, VEGF, and HIF-1α axes.
  6. Secondary antioxidant / NRF2-linked cytoprotection in some normal-cell or injury models, which is context-dependent and not necessarily anticancer-selective.

Bioavailability / PK relevance: Native oral chrysin has very poor systemic exposure because of low aqueous solubility, extensive intestinal/hepatic glucuronidation and sulfation, and efflux; human oral bioavailability has been reported as extremely low, often summarized as below 1%. Formulation strategies such as nanoparticles, lipid systems, micelles, cyclodextrins, or structural analogues are commonly proposed for systemic translation.

In-vitro vs systemic exposure relevance: Most anticancer studies use micromolar in-vitro concentrations that are unlikely to be reached in plasma after ordinary oral chrysin. Local intestinal exposure may be more plausible than systemic tumor exposure, but systemic anticancer claims should be treated as formulation-dependent.
LipoMicel may increase bioavailability

Clinical evidence status: Preclinical. Evidence is strong enough for mechanistic oncology interest in cell and animal models, including combination/sensitization studies, but there is no mature clinical oncology evidence establishing therapeutic benefit.

-Note half-life 2 hrs, BioAv very poor often <1%
Pathways:
Graphical Pathways

- may induce ROS production
- ROS↑ related: MMP↓(ΔΨm), ER Stress, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓
- May Lower AntiOxidant defense in Cancer Cells: NRF2↓, GSH↓ HO1↓
- May Raise AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, Pro-Inflammatory Cytokines : IL-1β↓, TNF-α↓, IL-6↓,
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMP2↓, MMP9↓, TIMP2, uPA↓, VEGF↓, ROCK1↓, FAK↓, RhoA↓, NF-κB↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, P53↑, HSP↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, CDK2↓, CDK4↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, FAK↓, ERK↓, EMT↓, TOP1↓, TET1↓,
- inhibits glycolysis and ATP depletion : HIF-1α↓, cMyc↓, GLUT1↓, LDH↓, HK2↓, PDKs↓, HK2↓, GRP78↑, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, PDGF↓, EGFR↓,
- Others: PI3K↓, AKT↓, STAT↓, Wnt↓, AMPK↓, ERK↓, JNK, TrxR,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Chrysin Mechanistic Profile

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 PI3K AKT survival signaling PI3K↓; AKT phosphorylation↓; survival signaling↓ R, G Growth and survival suppression Central hub mechanism reported across multiple tumor models; also supports chemosensitization.
2 Mitochondrial apoptosis MMP↓; Bax↑; Bcl-2↓; cytochrome c↑; caspase-9/3↑ ↔ or lower sensitivity R, G Intrinsic apoptosis execution One of the most consistent anticancer endpoints, usually downstream of stress and survival-pathway suppression.
3 Mitochondrial ROS stress ROS↑ (context-dependent); oxidative stress↑; lipid peroxidation↑ ROS↓ or antioxidant protection (context-dependent) P, R, G Stress amplification Direction is dose- and model-dependent; cancer models often show pro-oxidant stress, while normal injury models may show antioxidant behavior.
4 ER stress and UPR ER stress↑; GRP78↑; UPR↑; autophagy or apoptosis↑ R, G Stress-to-death coupling Important in several chrysin cancer models and in some drug-combination effects.
5 NF-κB inflammatory transcription NF-κB↓; COX-2↓; IL-6↓; TNF-α↓ Inflammatory injury signaling↓ R, G Anti-inflammatory and anti-survival signaling May contribute to reduced proliferation, invasion, and cytokine-driven tumor support.
6 Invasion EMT and MMPs EMT↓; MMP-2↓; MMP-9↓; uPA↓; migration↓; invasion↓ G Anti-invasive phenotype Mechanistically relevant for metastasis models but generally later and context-dependent.
7 Angiogenesis and HIF-1α VEGF signaling HIF-1α↓; VEGF↓; angiogenic output↓ G Anti-angiogenic support Reported in preclinical models; may overlap with oxidative stress and DNA damage response pathways.
8 Glycolysis and metabolic stress GLUT1↓; HK2↓; LDH↓; PDK1↓; lactate production↓; ATP↓ G Metabolic suppression Relevant but less central than apoptosis and survival signaling; strongest interpretation is model-dependent.
9 NRF2 antioxidant axis NRF2↓ or antioxidant defense↓ (model-dependent) NRF2↑; SOD↑; GSH↑; catalase↑ (context-dependent) R, G Context-dependent redox selectivity Potentially useful but also interpret carefully because NRF2 activation can be protective in normal cells and sometimes undesirable in cancer cells.
10 Chemosensitization and radiosensitization Drug-induced toxicity↑; apoptosis↑; resistance signaling↓ Chemoprotection reported in some injury models G Adjunct sensitization Promising preclinical adjunct signal, but not clinically established.
11 Clinical Translation Constraint Systemic exposure low after native oral dosing Dose and formulation constraints G Translation limitation Very poor oral bioavailability is the dominant practical constraint; formulation or local GI targeting is likely required.

Time-Scale Flag (TSF): P / R / G

  • P: 0–30 min (primary/physical–chemical effects; rapid signaling / phosphorylation shifts)
  • R: 30 min–3 hr (acute stress-response and redox signaling)
  • G: >3 hr (gene-regulatory adaptation and phenotype-level outcomes)


ER Stress, endoplasmic reticulum (ER) stress signaling pathway: Click to Expand ⟱
Source:
Type:
Protein expression of ATF, GRP78, and GADD153 which is a hall marker of ER stress.
The endoplasmic reticulum (ER) stress signaling pathway plays a crucial role in maintaining cellular homeostasis and responding to various stressors, including those encountered in cancer. When cells experience stress, such as the accumulation of misfolded proteins, they activate a series of signaling pathways collectively known as the unfolded protein response (UPR). The UPR aims to restore normal function by enhancing the protein-folding capacity of the ER, degrading misfolded proteins, and, if the stress is unresolved, triggering apoptosis.
The activation of ER stress pathways can contribute to resistance against chemotherapy and targeted therapies. Cancer cells may utilize the UPR to survive treatment-induced stress, making it challenging to achieve effective therapeutic outcomes.

-ER stress-associated proteins include: phosphorylation of PERK, eIF2α, ATF4, CHOP and cleaved-caspase 12



Scientific Papers found: Click to Expand⟱
6124- CHr,  EGCG,    The anticancer flavonoid chrysin induces the unfolded protein response in hepatoma cells
- in-vitro, HCC, HepG2
TumCG↓, report that chrysin inhibits hepatoma cells growth and induces apoptosis in a dose-dependent manner.
Apoptosis↓,
GRP78/BiP↑, Chrysin induces GRP78 overexpression, X-box binding protein-1 splicing and eukaryotic initiation factor 2α phosphorylation, hallmarks of the unfolded protein response.
eff↑, GRP78 knockdown potentiates chrysin-induced caspase-7 cleavage in hepatoma cells and enhances chrysin-induced apoptosis.
cl‑Casp7↑,
cl‑PARP↑, Combination of EGCG potentiates chrysin-induced caspase-7 and poly (ADP-ribose) polymerase (PARP) cleavage.
eff↑, Finally, EGCG sensitizes hepatoma cells to chrysin through caspase-mediated apoptosis
UPR↑, data suggest that chrysin triggers the unfolded protein response. Chrysin induces the unfolded protein response
ER Stress↑, Chrysin can induce ER stress response in hepatoma cells, including up-regulation of GRP78 expression, induction of eIF-2α phosphorylation and XBP-1 splicing.
p‑eIF2α↑,
XBP-1↝,
Proteasome↓, Chrysin is a known proteasome inhibitor [27]

6128- CHr,    Chrysin: A Comprehensive Review of Its Pharmacological Properties and Therapeutic Potential
- Review, Nor, NA - Review, Var, NA - Review, AD, NA
*antiOx↑, Chrysin exhibits a range of biological activities, including antioxidant, anti-inflammatory, anticancer, neuroprotective, and anxiolytic effects.
*Inflam↓,
AntiCan↑,
*neuroP↑, exhibits neuroprotective effects in neurological disorders such as epilepsy, neuronal apoptosis, neuroinflammation [80], anxiety [81], depression [82], multiple sclerosis [83], Parkinson’s disease, Alzheimer’s disease, cognitive deficits,
*ROS↓, facilitate the neutralization of free radicals
*BioAv↓, Despite its therapeutic potential, chrysin’s bioavailability is significantly limited due to poor aqueous solubility and rapid metabolism in the gastrointestinal tract and liver, which reduces its systemic efficacy.
*BioAv↑, Ongoing research aims to enhance chrysin’s bioavailability through the development of delivery systems such as lipid-based carriers and nanoparticles.
*cardioP↑, Chrysin exerts cardioprotective effects by modulating certain cellular signaling pathways involved in inflammation, oxidative stress [66]
*COX2↓, it suppresses cyclooxygenase-2 (COX-2), an enzyme involved in prostaglandin synthesis that promotes inflammation
*TNF-α↓, inhibits phosphorylation and degradation of IκB-α, as well as the translocation of NF-κB, and reduces levels of TNF-α and IL-1β by inhibiting NF-κB expression
*IL1β↓,
*NF-kB↓,
*lipid-P↓, Chrysin protects against ROS by reducing lipid peroxidation levels in the liver and increasing both enzymatic and non-enzymatic antioxidant levels
*Apoptosis↓, chrysin counteracted oxidative stress, reduced neuronal apoptosis, and increased expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) [80].
*NRF2↑,
*HO-1↑,
*MDA↓, In rat models, chrysin was shown to lower serum corticosterone and malondialdehyde (MDA) levels while increasing glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (Gpx), glutathione reductase (GR), and catalase (CAT).
*GSH↑,
*SOD↑,
*GPx↑,
*GSR↑,
*Catalase↑,
*5HT↑, Moreover, chrysin increased serotonin (5-HT) levels and reduced the activity of indoleamine 2,3-dioxygenase.
*Casp3↓, It also decreased the expression of caspases-3 and -9 [97,98].
*Casp9↓,
TumCCA↑, it causes cell cycle arrest in cancer cells, reduces expression of MAPK and PI3K/Akt signaling pathways, and disrupts overall cell proliferation
MAPK↓,
PI3K↓,
Akt↓,
TumCP↓,
TET1↑, chrysin promoted TET1 and 5-hydroxymethylcytosine expression, which stimulated apoptosis and disrupted the migration of gastric cancer cells
TLR4↓, Chrysin’s effects in lung cancer include decreasing the expression of TLR4 and Myd88 in the signaling cascade from activated receptor to the cell interior.
HER2/EBBR2↓, pyrotinib combined with chrysin, it was confirmed that adding chrysin positively enhanced the inhibition of HER2-positive breast cancer growth both in vitro and in vivo,
HK2↓, As HK-2 levels decreased, chrysin inhibited glycolysis (which impairs glucose uptake and lactate production) in the tumor and activated mitochondria-related apoptosis
Glycolysis↓,
glucose↓,
lactateProd↓,
ROS↑, chrysin was shown to promote the generation of reactive oxygen species (ROS) and reduce mTOR expression, thereby stimulating autophagy [127]
mTOR↓,
TumAuto↑,
tumCV↓, chrysin significantly reduces cell viability by inducing ER stress through stimulation of UPR, PERK, ATF4, and eIF2α
ER Stress↑,
UPR↑,
PERK↑,
ATF4↑,
eIF2α↑,
BioAv↑, Solid Lipid Nanoparticles (SLNs) High biocompatibility and low toxicity due to the use of physiological lipids.

2785- CHr,    Emerging cellular and molecular mechanisms underlying anticancer indications of chrysin
- Review, Var, NA
*NF-kB↓, suppressed pro-inflammatory cytokine expression and histamine release, downregulated nuclear factor kappa B (NF-kB), cyclooxygenase 2 (COX-2), and inducible nitric oxide synthase (iNOS)
*COX2↓,
*iNOS↓,
angioG↓, upregulated apoptotic pathways [28], inhibited angiogenesis [29] and metastasis formation
TOP1↓, suppressed DNA topoisomerases [31] and histone deacetylase [32], downregulated tumor necrosis factor α (TNF-α) and interleukin 1β (IL-1β)
HDAC↓,
TNF-α↓,
IL1β↓,
cardioP↑, promoted protective signaling pathways in the heart [34], kidney [35] and brain [8], decreased cholesterol level
RenoP↑,
neuroP↑,
LDL↓,
BioAv↑, bioavailability of chrysin in the oral route of administration was appraised to be 0.003–0.02% [55], the maximum plasma concentration—12–64 nM
eff↑, Chrysin alone and potentially in combination with metformin decreased cyclin D1 and hTERT gene expression in the T47D breast cancer cell line
cycD1/CCND1↓,
hTERT/TERT↓,
MMP-10↓, Chrysin pretreatment inhibited MMP-10 and Akt signaling pathways
Akt↓,
STAT3↓, Chrysin declined hypoxic survival, inhibited activation of STAT3, and reduced VEGF expression in hypoxic cancer cells
VEGF↓,
EGFR↓, chrysin to inhibit EGFR was reported in a breast cancer stem cell model [
Snail↓, chrysin downregulated MMP-10, reduced snail, slug, and vimentin expressions increased E-cadherin expression, and inhibited Akt signaling pathway in TNBC cells, proposing that chrysin possessed a reversal activity on EMT
Slug↓,
Vim↓,
E-cadherin↑,
eff↑, Fabrication of chrysin-attached to silver and gold nanoparticles crossbred reduced graphene oxide nanocomposites led to augmentation of the generation of ROS-induced apoptosis in breast cancer
TET1↑, Chrysin induced augmentation in TET1
ROS↑, Pretreatment with chrysin induced ROS formation, and consecutively, inhibited Akt phosphorylation and mTOR.
mTOR↓,
PPARα↓, Chrysin inhibited mRNA expression of PPARα
ER Stress↑, ROS production by chrysin was the critical mediator behind induction of ER stress, leading to JNK phosphorylation, intracellular Ca2+ release, and activation of the mitochondrial apoptosis pathway
Ca+2↑,
ERK↓, reduced protein expression of p-ERK/ERK
MMP↑, Chrysin pretreatment led to an increase in mitochondrial ROS creation, swelling in isolated mitochondria from hepatocytes, collapse in MMP, and release cytochrome c.
Cyt‑c↑,
Casp3↑, Chrysin could elevate caspase-3 activity in the HCC rats group
HK2↓, chrysin declined HK-2 combined with VDAC-1 on mitochondria
NRF2↓, chrysin inhibited the Nrf2 expression and its downstream genes comprising AKR1B10, HO-1, and MRP5 by quenching ERK and PI3K-Akt pathway
HO-1↓,
MMP2↓, Chrysin pretreatment also downregulated MMP2, MMP9, fibronectin, and snail expression
MMP9↓,
Fibronectin↓,
GRP78/BiP↑, chrysin induced GRP78 overexpression, spliced XBP-1, and eIF2-α phosphorylation
XBP-1↓,
p‑eIF2α↑,
*AST↓, Chrysin administration significantly reduced AST, ALT, ALP, LDH and γGT serum activities
ALAT↓,
ALP↓,
LDH↓,
COX2↑, chrysin attenuated COX-2 and NFkB p65 expression, and Bcl-xL and β-arrestin levels
Bcl-xL↓,
IL6↓, Reduction in IL-6 and TNF-α and augmentation in caspases-9 and 3 were observed due to chrysin supplementation.
PGE2↓, Chrysin induced entire suppression NF-kB, COX-2, PG-E2, iNOS as well.
iNOS↓,
DNAdam↑, Chrysin induced apoptosis of cells by causing DNA fragmentation and increasing the proportions of DU145 and PC-3 cells
UPR↑, Also, it induced ER stress via activation of UPR proteins comprising PERK, eIF2α, and GRP78 in DU145 and PC-3 cells.
Hif1a↓, Chrysin increased the ubiquitination and degradation of HIF-1α by increasing its prolyl hydroxylation
EMT↓, chrysin was effective in HeLa cell by inhibiting EMT and CSLC properties, NF-κBp65, and Twist1 expression
Twist↓,
lipid-P↑, Chrysin disrupted intracellular homeostasis by altering MMP, cytosolic Ca (2+) levels, ROS generation, and lipid peroxidation, which plays a role in the death of choriocarcinoma cells.
CLDN1↓, Chrysin decreased CLDN1 and CLDN11 expression in human lung SCC
PDK1↓, Chrysin alleviated p-Akt and inhibited PDK1 and Akt
IL10↓, Chrysin inhibited cytokines release, TNF-α, IL-1β, IL-10, and IL-6 induced by Ni in A549 cells.
TLR4↓, Chrysin suppressed TLR4 and Myd88 mRNA and protein expression.
NOTCH1↑, Chrysin inhibited tumor growth in ATC both in vitro and in vivo through inducing Notch1
PARP↑, Pretreating cells with chrysin increased cleaved PARP, cleaved caspase-3, and declined cyclin D1, Mcl-1, and XIAP.
Mcl-1↓,
XIAP↓,

2781- CHr,  PBG,    Chrysin a promising anticancer agent: recent perspectives
- Review, Var, NA
PI3K↓, It can block Phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/AKT/mTOR) and Mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) signaling in different animals against various cancers
Akt↓,
mTOR↓,
MMP9↑, Chrysin strongly suppresses Matrix metalloproteinase-9 (MMP-9), Urokinase plasminogen activator (uPA) and Vascular endothelial growth factor (VEGF), i.e. factors that can cause cancer
uPA↓,
VEGF↓,
AR↓, Chrysin has the ability to suppress the androgen receptor (AR), a protein necessary for prostate cancer development and metastasis
Casp↑, starts the caspase cascade and blocks protein synthesis to kill lung cancer cells
TumMeta↓, Chrysin significantly decreased lung cancer metastasis i
TumCCA↑, Chrysin induces apoptosis and stops colon cancer cells in the G2/M cell cycle phase
angioG↓, Chrysin prevents tumor growth and cancer spread by blocking blood vessel expansion
BioAv↓, Chrysin’s solubility, accessibility and bioavailability may limit its medical use.
*hepatoP↑, As chrysin reduced oxidative stress and lipid peroxidation in rat liver cells exposed to a toxic chemical agent.
*neuroP↑, Protecting the brain against oxidative stress (GPx) may be aided by increasing levels of antioxidant enzymes such as superoxide dismutase (SOD) and glutathione peroxidase (GPx).
*SOD↑,
*GPx↑,
*ROS↓, A decrease in oxidative stress and an increase in antioxidant capacity may result from chrysin’s anti-inflammatory properties
*Inflam↓,
*Catalase↑, Supplementation with chrysin increased the activity of antioxidant enzymes like SOD and catalase and reduced the levels of oxidative stress markers like malondialdehyde (MDA) in the colon tissue of the rats.
*MDA↓, Antioxidant enzyme activity (SOD, CAT) and oxidative stress marker (MDA) levels were both enhanced by chrysin supplementation in mouse liver tissue
ROS↓, reduction of reactive oxygen species (ROS) and oxidative stress markers in the cancer cells further indicated the antioxidant activity of chrysin
BBB↑, After crossing the blood-brain barrier, it has been shown to accumulate there
Half-Life↓, The half-life of chrysin in rats is predicted to be close to 2 hours.
BioAv↑, Taking chrysin with food may increase the effectiveness of the supplement: increased by a factor of 1.8 when taken with a high-fat meal
ROS↑, In contrast to 5-FU/oxaliplatin, chrysin increases the production of reactive oxygen species (ROS), which in turn causes autophagy by stopping Akt and mTOR from doing their jobs
eff↑, mixture of chrysin and cisplatin caused the SCC-25 and CAL-27 cell lines to make more oxygen free radicals. After treatment with chrysin, cisplatin, or both, the amount of reactive oxygen species (ROS) was found to have gone up.
ROS↑, When reactive oxygen species (ROS) and calcium levels in the cytoplasm rise because of chrysin, OC cells die.
ROS↑, chrysin is the cause of death in both types of prostate cancer cells. It does this by depolarizing mitochondrial membrane potential (MMP), making reactive oxygen species (ROS), and starting lipid peroxidation.
lipid-P↑,
ER Stress↑, when chrysin is present in DU145 and PC-3 cells, the expression of a group of proteins that control ER stress goes up
NOTCH1↑, Chrysin increased the production of Notch 1 and hairy/enhancer of split 1 at the protein and mRNA levels, which stopped cells from dividing
NRF2↓, Not only did chrysin stop Nrf2 and the genes it controls from working, but it also caused MCF-7 breast cancer cells to die via apoptosis.
p‑FAK↓, After 48 hours of treatment with chrysin at amounts between 5 and 15 millimoles, p-FAK and RhoA were greatly lowered
Rho↓,
PCNA↓, Lung histology and immunoblotting studies of PCNA, COX-2, and NF-B showed that adding chrysin stopped the production of these proteins and maintained the balance of cells
COX2↓,
NF-kB↓,
PDK1↓, After the chrysin was injected, the genes PDK1, PDK3, and GLUT1 that are involved in glycolysis had less expression
PDK3↑,
GLUT1↓,
Glycolysis↓, chrysin stops glycolysis
mt-ATP↓, chrysin inhibits complex II and ATPases in the mitochondria of cancer cells
Ki-67↓, the amounts of Ki-67, which is a sign of growth, and c-Myc in the tumor tissues went down
cMyc↓,
ROCK1↓, (ROCK1), transgelin 2 (TAGLN2), and FCH and Mu domain containing endocytic adaptor 2 (FCHO2) were much lower.
TOP1↓, DNA topoisomerases and histone deacetylase were inhibited, along with the synthesis of the pro-inflammatory cytokines tumor necrosis factor alpha (TNF-alpha) and (IL-1 beta), while the activity of protective signaling pathways was increased
TNF-α↓,
IL1β↓,
CycB/CCNB1↓, Chrysin suppressed cyclin B1 and CDK2 production in order to stop cancerous growth.
CDK2↓,
EMT↓, chrysin treatment can also stop EMT
STAT3↓, chrysin block the STAT3 and NF-B pathways, but it also greatly reduced PD-L1 production both in vivo and in vitro.
PD-L1↓,
IL2↑, chrysin increases both the rate of T cell growth and the amount of IL-2

2782- CHr,    Broad-Spectrum Preclinical Antitumor Activity of Chrysin: Current Trends and Future Perspectives
- Review, Var, NA - Review, Stroke, NA - Review, Park, NA
*antiOx↑, antioxidant, anti-inflammatory, hepatoprotective, neuroprotective
*Inflam↓, inhibitory effect of chrysin on inflammation and oxidative stress is also important in Parkinson’s disease
*hepatoP↑,
*neuroP↑,
*BioAv↓, Accumulating data demonstrates that poor absorption, rapid metabolism, and systemic elimination are responsible for poor bioavailability of chrysin in humans that, subsequently, restrict its therapeutic effects
*cardioP↑, cardioprotective [69], lipid-lowering effect [70]
*lipidLev↓,
*RenoP↑, Renoprotective
*TNF-α↓, chrysin reduces levels of pro-inflammatory cytokines, such as tumor necrosis factor-α (TNF-α) and interleukin-2 (IL-2).
*IL2↓,
*PI3K↓, induction of the PI3K/Akt signaling pathway by chrysin contributes to a reduction in oxidative stress and inflammation during cerebral I/R injury
*Akt↓,
*ROS↓,
*cognitive↑, Chrysin (25, 50, and 100 mg/kg) improves cognitive capacity, inflammation, and apoptosis to ameliorate traumatic brain injury
eff↑, chrysin and silibinin is beneficial in suppressing breast cancer malignancy via decreasing cancer proliferation
cycD1/CCND1↓, chrysin and silibinin induced cell cycle arrest via down-regulation of cyclin D1 and hTERT
hTERT/TERT↓,
VEGF↓, Administration of chrysin is associated with the disruption of hypoxia-induced VEGF gene expression
p‑STAT3↓, chrysin is capable of reducing STAT3 phosphorylation in hypoxic conditions without affecting the HIF-1α protein level.
TumMeta↓, chrysin is a potent agent in suppressing metastasis and proliferation of breast cancer cells during hypoxic conditions
TumCP↓,
eff↑, combination therapy of breast cancer cells using chrysin and metformin exerts a synergistic effect and is more efficient compared to chrysin alone
eff↑, combination of quercetin and chrysin reduced levels of pro-inflammatory factors, such as IL-1β, Il-6, TNF-α, and IL-10, via NF-κB down-regulation.
IL1β↓,
IL6↓,
NF-kB↓,
ROS↑, after chrysin administration, an increase occurs in levels of ROS that, subsequently, impairs the integrity of the mitochondrial membrane, leading to cytochrome C release and apoptosis induction
MMP↓,
Cyt‑c↑,
Apoptosis↑,
ER Stress↑, in addition to mitochondria, ER can also participate in apoptosis
Ca+2↑, Upon chrysin administration, an increase occurs in levels of ROS and cytoplasmic Ca2+ that mediate apoptosis induction in OC cells
TET1↑, In MKN45 cells, chrysin promotes the expression of TET1
Let-7↑, Chrysin is capable of promoting the expression of miR-9 and Let-7a as onco-suppressor factors in cancer to inhibit the proliferation of GC cells
Twist↓, Down-regulation of NF-κB, and subsequent decrease in Twist/EMT are mediated by chrysin administration, negatively affecting cervical cancer metastasis
EMT↓,
TumCCA↑, nduction of cell cycle arrest and apoptosis via up-regulation of caspase-3, caspase-9, and Bax are mediated by chrysin
Casp3↑,
Casp9↑,
BAX↑,
HK2↓, Chrysin administration (15, 30, and 60 mM) reduces the expression of HK-2 in hepatocellular carcinoma (HCC) cells to impair glucose uptake and lactate production.
GlucoseCon↓,
lactateProd↓,
Glycolysis↓, In addition to glycolysis metabolism impairment, the inhibitory effect of chrysin on HK-2 leads to apoptosis
SHP1↑, upstream modulator of STAT3 known as SHP-1 is up-regulated by chrysin
N-cadherin↓, Furthermore, N-cadherin and E-cadherin are respectively down-regulated and up-regulated upon chrysin administration in inhibiting melanoma invasion
E-cadherin↑,
UPR↑, chrysin substantially diminishes survival by ER stress induction via stimulating UPR, PERK, ATF4, and elF2α
PERK↑,
ATF4↑,
eIF2α↑,
RadioS↑, Irradiation combined with chrysin exerts a synergistic effect
NOTCH1↑, Irradiation combined with chrysin exerts a synergistic effect
NRF2↓, in reducing Nrf2 expression, chrysin down-regulates the expression of ERK and PI3K/Akt pathways—leading to an increase in the efficiency of doxorubicin in chemotherapy
BioAv↑, chrysin at the tumor site by polymeric nanoparticles leads to enhanced anti-tumor activity, due to enhanced cellular uptake
eff↑, Chrysin- and curcumin-loaded nanoparticles significantly promote the expression of TIMP-1 and TIMP-2 to exert a reduction in melanoma invasion

2790- CHr,    Chrysin: Pharmacological and therapeutic properties
- Review, Var, NA
*hepatoP↑, graphical abstract
*neuroP↓,
*ROS↓,
*cardioP↑,
*Inflam↓,
eff↑, suppression of hTERT and cyclin D1 gene expression in T47D breast cancer cell lines is due to the combined effect of metformin and chrysin
hTERT/TERT↓,
cycD1/CCND1↓,
MMP9↓, nanoparticle-based chrysin in C57B16 mice bearing B16F10 melanoma tumors was markedly presented reductions in the levels of MMP-9, MMP-2, and TERT genes, whereas it enhanced TIMP-2 andTIMP-1 genes expression
MMP2↓,
TIMP1↑,
TIMP2↑,
BioAv↑, nano-encapsulation of chrysin and curcumin improved the delivery of these phytochemicals that significantly inhibited the growth of cancer cells, while it decreased the hTERT gene expression via increased solubility and bioavailability
HK2↓, chrysin treatment restrained tumor growth in HCC xenograft models and significantly reduced HK-2 expression in tumor tissue
ROS↑, showing a significant increase in intracellular reactive oxygen species (ROS), cytotoxicity, mitochondrial membrane potential (MMP) collapse, caspase-3 activation, ADP/ATP ratio, and ultimately apoptosis
MMP↓,
Casp3↑,
ADP:ATP↑,
Apoptosis↑,
ER Stress↑, Likewise, chrysin encouraged endoplasmic reticulum (ER) stress via stimulation of unfolded protein response (UPR
UPR↑,
GRP78/BiP↝, (eIF2α), PRKR-like ER kinase (PERK) and 78 kDa glucose-regulated protein (GRP78).
eff↑, silibinin and chrysin synergistically inhibited growth of T47D BCC and downregulated the hTERT and cyclin D1 level
Ca+2↑, Primarily, increased ROS and cytoplasmic Ca 2+ levels alongside induction of cell death and loss of MMP are involved in inhibition of ovarian cancer through chrysin.

2792- CHr,    Chrysin induces death of prostate cancer cells by inducing ROS and ER stress
- in-vitro, Pca, DU145 - in-vitro, Pca, PC3
DNAdam↑, chrysin induced apoptosis of cells evidenced by DNA fragmentation and increasing the population of both DU145 and PC-3 cells in the sub-G1 phase of the cell cycle
TumCCA↑,
MMP↓, chrysin induced loss of mitochondria membrane potential (MMP), while increasing production of reactive oxygen species (ROS) and lipid peroxidation in a dose-dependent manner
ROS↑,
lipid-P↑,
ER Stress↑, Also, it induced endoplasmic reticulum (ER) stress through activation of unfolded protein response (UPR) proteins including PRKR-like ER kinase (PERK), eukaryotic translation initiation factor 2α (eIF2α), and 78 kDa glucose-regulated protein (GRP78)
UPR↑,
PERK↑,
eIF2α↑,
GRP78/BiP↑,
PI3K↓, chrysin-mediated intracellular signaling pathways suppressed phosphoinositide 3-kinase (PI3K) and the abundance of AKT, P70S6K, S6, and P90RSK proteins, but stimulated mitogen-activated protein kinases (MAPK) and activation of ERK1/2 and P38 proteins
Akt↓,
p70S6↓,
MAPK↑,


Showing Research Papers: 1 to 7 of 7

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 7

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress

HO-1↓, 1,   lipid-P↑, 3,   NRF2↓, 3,   ROS↓, 1,   ROS↑, 8,  

Mitochondria & Bioenergetics

ADP:ATP↑, 1,   mt-ATP↓, 1,   MMP↓, 3,   MMP↑, 1,   XIAP↓, 1,  

Core Metabolism/Glycolysis

ALAT↓, 1,   cMyc↓, 1,   glucose↓, 1,   GlucoseCon↓, 1,   Glycolysis↓, 3,   HK2↓, 4,   lactateProd↓, 2,   LDH↓, 1,   LDL↓, 1,   PDK1↓, 2,   PDK3↑, 1,   PPARα↓, 1,  

Cell Death

Akt↓, 4,   Apoptosis↓, 1,   Apoptosis↑, 2,   BAX↑, 1,   Bcl-xL↓, 1,   Casp↑, 1,   Casp3↑, 3,   cl‑Casp7↑, 1,   Casp9↑, 1,   Cyt‑c↑, 2,   hTERT/TERT↓, 3,   iNOS↓, 1,   MAPK↓, 1,   MAPK↑, 1,   Mcl-1↓, 1,   Proteasome↓, 1,  

Kinase & Signal Transduction

HER2/EBBR2↓, 1,   p70S6↓, 1,  

Transcription & Epigenetics

tumCV↓, 1,  

Protein Folding & ER Stress

eIF2α↑, 3,   p‑eIF2α↑, 2,   ER Stress↑, 7,   GRP78/BiP↑, 3,   GRP78/BiP↝, 1,   PERK↑, 3,   UPR↑, 6,   XBP-1↓, 1,   XBP-1↝, 1,  

Autophagy & Lysosomes

TumAuto↑, 1,  

DNA Damage & Repair

DNAdam↑, 2,   PARP↑, 1,   cl‑PARP↑, 1,   PCNA↓, 1,  

Cell Cycle & Senescence

CDK2↓, 1,   CycB/CCNB1↓, 1,   cycD1/CCND1↓, 3,   TumCCA↑, 4,  

Proliferation, Differentiation & Cell State

EMT↓, 3,   ERK↓, 1,   HDAC↓, 1,   Let-7↑, 1,   mTOR↓, 3,   NOTCH1↑, 3,   PI3K↓, 3,   SHP1↑, 1,   STAT3↓, 2,   p‑STAT3↓, 1,   TOP1↓, 2,   TumCG↓, 1,  

Migration

Ca+2↑, 3,   CLDN1↓, 1,   E-cadherin↑, 2,   p‑FAK↓, 1,   Fibronectin↓, 1,   Ki-67↓, 1,   MMP-10↓, 1,   MMP2↓, 2,   MMP9↓, 2,   MMP9↑, 1,   N-cadherin↓, 1,   Rho↓, 1,   ROCK1↓, 1,   Slug↓, 1,   Snail↓, 1,   TET1↑, 3,   TIMP1↑, 1,   TIMP2↑, 1,   TumCP↓, 2,   TumMeta↓, 2,   Twist↓, 2,   uPA↓, 1,   Vim↓, 1,  

Angiogenesis & Vasculature

angioG↓, 2,   ATF4↑, 2,   EGFR↓, 1,   Hif1a↓, 1,   VEGF↓, 3,  

Barriers & Transport

BBB↑, 1,   GLUT1↓, 1,  

Immune & Inflammatory Signaling

COX2↓, 1,   COX2↑, 1,   IL10↓, 1,   IL1β↓, 3,   IL2↑, 1,   IL6↓, 2,   NF-kB↓, 2,   PD-L1↓, 1,   PGE2↓, 1,   TLR4↓, 2,   TNF-α↓, 2,  

Hormonal & Nuclear Receptors

AR↓, 1,  

Drug Metabolism & Resistance

BioAv↓, 1,   BioAv↑, 5,   eff↑, 11,   Half-Life↓, 1,   RadioS↑, 1,  

Clinical Biomarkers

ALAT↓, 1,   ALP↓, 1,   AR↓, 1,   EGFR↓, 1,   HER2/EBBR2↓, 1,   hTERT/TERT↓, 3,   IL6↓, 2,   Ki-67↓, 1,   LDH↓, 1,   PD-L1↓, 1,  

Functional Outcomes

AntiCan↑, 1,   cardioP↑, 1,   neuroP↑, 1,   RenoP↑, 1,  
Total Targets: 132

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress

antiOx↑, 2,   Catalase↑, 2,   GPx↑, 2,   GSH↑, 1,   GSR↑, 1,   HO-1↑, 1,   lipid-P↓, 1,   MDA↓, 2,   NRF2↑, 1,   ROS↓, 4,   SOD↑, 2,  

Core Metabolism/Glycolysis

lipidLev↓, 1,  

Cell Death

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

Proliferation, Differentiation & Cell State

PI3K↓, 1,  

Immune & Inflammatory Signaling

COX2↓, 2,   IL1β↓, 1,   IL2↓, 1,   Inflam↓, 4,   NF-kB↓, 2,   TNF-α↓, 2,  

Synaptic & Neurotransmission

5HT↑, 1,  

Drug Metabolism & Resistance

BioAv↓, 2,   BioAv↑, 1,  

Clinical Biomarkers

AST↓, 1,  

Functional Outcomes

cardioP↑, 3,   cognitive↑, 1,   hepatoP↑, 3,   neuroP↓, 1,   neuroP↑, 3,   RenoP↑, 1,  
Total Targets: 34

Scientific Paper Hit Count for: ER Stress, endoplasmic reticulum (ER) stress signaling pathway
7 Chrysin
1 EGCG (Epigallocatechin Gallate)
1 Propolis -bee glue
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#:61  Target#:103  State#:%  Dir#:%
wNotes=on sortOrder:rid,rpid

 

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