Chrysin / GSH 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.

-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↓">GSH↓ HO1↓
- May Raise AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑">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

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 PI3K → AKT (± mTOR) survival axis ↓ PI3K/AKT (often ↓ p-AKT; downstream growth signals ↓) ↔ R, G Growth/survival suppression Frequently reported hub effect; contributes to reduced proliferation and sensitization to stress/apoptosis programs.
2 Intrinsic apoptosis (p53/Bcl-2 family → caspase-9/3) ↑ p53 axis (context); Bax↑/Bcl-2↓; ↑ caspase-9/3; apoptosis ↑ ↔ (generally less activation) G Apoptosis execution Common endpoint across many tumor models; often downstream of survival-pathway suppression and stress signaling.
3 ER stress / UPR (PERK and related arms) ER stress ↑; UPR activation ↑ ↔ R, G Stress-to-death coupling ER stress has been directly shown in chrysin-treated cancer cells and can couple to apoptosis.
4 JAK / STAT3 signaling ↓ STAT3 signaling (context) ↔ R, G Anti-survival transcription STAT3 inhibition is reported in cancer models and often aligns with reduced proliferation and increased apoptosis.
5 ROS / oxidative stress (context-dependent) ROS modulation (often ↑ mitochondrial ROS in tumor models) ↔ / antioxidant behavior in some contexts P, R, G Stress amplifier (variable) Direction depends on dose/model; avoid absolute “ROS always ↑/↓”. Oxidative stress + DDR has been linked to anti-angiogenic effects in vivo in melanoma models.
6 MAPK re-wiring (ERK / JNK / p38) MAPK shifts; JNK/p38 often stress-activated; ERK variable ↔ P, R, G Signal reprogramming MAPK effects differ by cell line; chrysin can suppress JNK/ERK signaling to reduce MMP-9 in some models.
7 Cell-cycle arrest / proliferation control Cell-cycle arrest ↑; proliferation ↓ ↔ G Cytostasis Often observed as later phenotype-level outcomes, downstream of signaling changes.
8 Invasion / metastasis (MMP-9; EMT programs) MMP-9 ↓; migration/invasion ↓ (context) ↔ G Anti-invasive phenotype Chrysin can reduce MMP-9 expression via AP-1 suppression and MAPK pathway effects in certain cancer models.
9 Angiogenesis (VEGF/angiogenic outputs) Angiogenesis outputs ↓ (context) ↔ G Anti-angiogenic support In melanoma models, chrysin has been associated with angiogenesis regression linked to oxidative stress and DNA damage response.
10 Bioavailability constraint (oral PK limitation) Systemic exposure often low without formulation — — Translation constraint Native chrysin oral bioavailability is extremely low due to poor solubility and extensive glucuronidation/sulfation with efflux; formulation strategies are commonly required for systemic effects.

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)
GSH, Glutathione: Click to Expand ⟱
Source:
Type:
Glutathione (GSH) is a thiol antioxidant that scavenges reactive oxygen species (ROS), resulting in the formation of oxidized glutathione (GSSG). Decreased amounts of GSH and a decreased GSH/GSSG ratio in tissues are biomarkers of oxidative stress.
Glutathione is a powerful antioxidant found in every cell of the body, composed of three amino acids: cysteine, glutamine, and glycine. It plays a crucial role in protecting cells from oxidative stress, detoxifying harmful substances, and supporting the immune system.
cancer cells can have elevated levels of glutathione, which may help them survive in the oxidative environment created by the immune response and chemotherapy. This can make cancer cells more resistant to treatment.
While glutathione can be obtained from certain foods (like fruits, vegetables, and meats), its absorption from supplements is debated. Some people take N-acetylcysteine (NAC) or other precursors to boost glutathione levels, but the effects on cancer prevention or treatment are still being studied.
Depleting glutathione (GSH) to raise reactive oxygen species (ROS) is a strategy that has been explored in cancer research and therapy.
Many cancer cells have altered redox states and may rely on GSH to survive. Increasing ROS levels can induce stress in these cells, potentially leading to cell death.
Certain drugs and compounds can deplete GSH levels. For example, agents like buthionine sulfoximine (BSO) inhibit the synthesis of GSH, leading to its depletion.
Cancer cells tend to exhibit higher levels of intracellular GSH, possibly as an adaptive response to a higher metabolism and thus higher steady-state levels of reactive oxygen species (ROS).

"...intracellular glutathione (GSH) exhibits an astounding antioxidant activity in scavenging reactive oxygen species (ROS)..."
"Cancer cells have a high level of GSH compared to normal cells."
"...cancer cells are affluent with high antioxidant levels, especially with GSH, whose appearance at an elevated concentration of ∼10 mM (10 times less in normal cells) detoxifies the cancer cells." "Therefore, GSH depletion can be assumed to be the key strategy to amplify the oxidative stress in cancer cells, enhancing the destruction of cancer cells by fruitful cancer therapy."

The loss of GSH is broadly known to be directly related to the apoptosis progression.
Scientific Papers found: Click to Expand⟱
2794- CHr,    An updated review on the versatile role of chrysin in neurological diseases: Chemistry, pharmacology, and drug delivery approaches
- Review, Park, NA - Review, Stroke, NA
*neuroP↑, *ROS↓, *Inflam↓, *Apoptosis↓, *IL1β↓, *TNF-α↓, *COX2↓, *iNOS↓, *NF-kB↓, *JNK↓, *HDAC↓, *GSK‐3β↓, *IFN-γ↓, *IL17↓, *GSH↑, *NRF2↑, *HO-1↑, *SOD↑, *MDA↓, *NO↓, *GPx↑, *TBARS↓, *AChE↓, *GR↑, *Catalase↑, *VitC↑, *memory↑, *lipid-P↓, *ROS↓,
2806- CHr,  Se,    Selenium-containing chrysin and quercetin derivatives: attractive scaffolds for cancer therapy
- in-vitro, Var, NA
eff↑, selectivity↑, Dose↝, TrxR↓, GSH↓, MMP↓, ROS↑, H2O2↑,
2807- CHr,    Evidence-based mechanistic role of chrysin towards protection of cardiac hypertrophy and fibrosis in rats
- in-vivo, Nor, NA
*antiOx↑, Inflam↓, *cardioP↑, *GSH↑, *SOD↑, *Catalase↑, *GAPDH↑, *BAX↓, *Bcl-2↑, *PARP↓, *Cyt‑c↓, *Casp3↓, *NOX4↓, *NRF2↑, *HO-1↑, *HSP70/HSPA5↑,
2786- CHr,    Chemopreventive and therapeutic potential of chrysin in cancer: mechanistic perspectives
- Review, Var, NA
Apoptosis↑, TumCCA↑, angioG↓, TumCI↓, TumMeta↑, *toxicity↓, selectivity↑, chemoPv↑, *GSTs↑, *NADPH↑, *GSH↑, HDAC8↓, Hif1a↓, *ROS↓, *NF-kB↓, SCF↓, cl‑PARP↑, survivin↓, XIAP↓, Casp3↑, Casp9↑, GSH↓, ChemoSen↑, Fenton↑, P21↑, P53↑, cycD1/CCND1↓, CDK2↓, STAT3↓, VEGF↓, Akt↓, NRF2↓,
481- CUR,  CHr,  Api,    Flavonoid-induced glutathione depletion: Potential implications for cancer treatment
- in-vitro, Liver, A549 - in-vitro, Pca, PC3 - in-vitro, AML, HL-60
GSH↓, mtDam↑, MMP↓, Cyt‑c↑,

Showing Research Papers: 1 to 5 of 5

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 5

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

Fenton↑, 1,   GSH↓, 3,   H2O2↑, 1,   NRF2↓, 1,   ROS↑, 1,   TrxR↓, 1,  

Mitochondria & Bioenergetics ⓘ

MMP↓, 2,   mtDam↑, 1,   XIAP↓, 1,  

Cell Death ⓘ

Akt↓, 1,   Apoptosis↑, 1,   Casp3↑, 1,   Casp9↑, 1,   Cyt‑c↑, 1,   survivin↓, 1,  

DNA Damage & Repair ⓘ

P53↑, 1,   cl‑PARP↑, 1,  

Cell Cycle & Senescence ⓘ

CDK2↓, 1,   cycD1/CCND1↓, 1,   P21↑, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

HDAC8↓, 1,   SCF↓, 1,   STAT3↓, 1,  

Migration ⓘ

TumCI↓, 1,   TumMeta↑, 1,  

Angiogenesis & Vasculature ⓘ

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

Immune & Inflammatory Signaling ⓘ

Inflam↓, 1,  

Drug Metabolism & Resistance ⓘ

ChemoSen↑, 1,   Dose↝, 1,   eff↑, 1,   selectivity↑, 2,  

Functional Outcomes ⓘ

chemoPv↑, 1,  
Total Targets: 35

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   Catalase↑, 2,   GPx↑, 1,   GSH↑, 3,   GSTs↑, 1,   HO-1↑, 2,   lipid-P↓, 1,   MDA↓, 1,   NOX4↓, 1,   NRF2↑, 2,   ROS↓, 3,   SOD↑, 2,   TBARS↓, 1,   VitC↑, 1,  

Core Metabolism/Glycolysis ⓘ

GAPDH↑, 1,   NADPH↑, 1,  

Cell Death ⓘ

Apoptosis↓, 1,   BAX↓, 1,   Bcl-2↑, 1,   Casp3↓, 1,   Cyt‑c↓, 1,   iNOS↓, 1,   JNK↓, 1,  

Protein Folding & ER Stress ⓘ

HSP70/HSPA5↑, 1,  

DNA Damage & Repair ⓘ

PARP↓, 1,  

Proliferation, Differentiation & Cell State ⓘ

GSK‐3β↓, 1,   HDAC↓, 1,  

Angiogenesis & Vasculature ⓘ

NO↓, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   IFN-γ↓, 1,   IL17↓, 1,   IL1β↓, 1,   Inflam↓, 1,   NF-kB↓, 2,   TNF-α↓, 1,  

Synaptic & Neurotransmission ⓘ

AChE↓, 1,  

Hormonal & Nuclear Receptors ⓘ

GR↑, 1,  

Functional Outcomes ⓘ

cardioP↑, 1,   memory↑, 1,   neuroP↑, 1,   toxicity↓, 1,  
Total Targets: 41

Scientific Paper Hit Count for: GSH, Glutathione
5 Chrysin
1 Selenium
1 Curcumin
1 Apigenin (mainly Parsley)
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#:137  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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