Chrysin / AMPK 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)
AMPK, adenosine monophosphate-activated protein kinase: Click to Expand ⟱
Source:
Type:
AMPK: guardian of metabolism and mitochondrial homeostasis; Upon changes in the ATP-to-AMP ratio, AMPK is activated. (AMPK) is a key metabolic sensor that is pivotal for the maintenance of cellular energy homeostasis. It is well documented that AMPK possesses a suppressor role in the context of tumor development and progression by modulating the inflammatory and metabolic pathways.

-Activating AMPK can inhibit anabolic processes and the PI3K/Akt/mTOR pathway reducing glycolysis shifting toward Oxidative Phosphorlylation.


AMPK activators:
-metformin or AICAR
-Resveratrol: activate AMPK indirectly
-Berberine
-Quercetin: may stimulate AMPK
-EGCG: thought to activate AMPK
-Curcumin: may activate AMPK

-Ginsenosides: Some ginsenosides have been associated with AMPK activation -Beta-Lapachone: A natural naphthoquinone compound found in the bark of Tabebuia avellanedae (also known as lapacho or taheebo). It has been observed to activate AMPK in certain models.
-Alpha-Lipoic Acid (ALA): associated with AMPK activation
Scientific Papers found: Click to Expand⟱
2801- CHr,    AMP-activated protein kinase (AMPK) activation is involved in chrysin-induced growth inhibition and apoptosis in cultured A549 lung cancer cells
- in-vitro, Lung, A549
AMPK↑, demonstrated a significant AMPK activation after chrysin treatment in A549 cells
Akt↓, inhibited Akt/mammalian target of rapamycin (mTOR) activation
ChemoSen↑, Chrysin increases doxorubicin-induced AMPK activation to promote A549 cell death and growth inhibition
ROS↑, Recently, studies have confirmed that chrysin is a potent inducer of ROS and in A549 and other cancer cells

1145- CHr,    Chrysin inhibits propagation of HeLa cells by attenuating cell survival and inducing apoptotic pathways
- in-vitro, Cerv, HeLa
tumCV↓,
BAX↑,
BID↑,
BOK↑,
APAF1↑,
TNF-α↑,
FasL↑,
Fas↑,
FADD↑,
Casp3↑,
Casp7↑,
Casp8↑,
Casp9↑,
Mcl-1↓,
NAIP↓,
Bcl-2↓,
CDK4↓,
CycB/CCNB1↓,
cycD1/CCND1↓,
cycE1↓,
TRAIL↑,
p‑Akt↓,
Akt↓,
mTOR↓,
PDK1↓,
BAD↓,
GSK‐3β↑,
AMPK↑, AMPKa
p27↑,
P53↑,

2780- CHr,    Anti-cancer Activity of Chrysin in Cancer Therapy: a Systematic Review
- Review, Var, NA
*antiOx↑, antioxidant (13), anti-inflammatory (14), antibacterial (15), anti-hypertensive (16), anti-allergic (17), vasodilator (18),
Inflam↓,
*hepatoP↑, anti-diabetic (19), anti-anxiety (10), anti-viral (20), anti-estrogen (21), liver protective (22), anti-aging (23), anti-seizure (24), and anti-cancer effects (25)
AntiCan↑,
Cyt‑c↑, (1) facilitating the release of cytochrome C from the mitochondria,
Casp3↑, (2) activating caspase-3 and inhibiting the activity of the XIAP molecule,
XIAP↓,
p‑Akt↓, (3) reducing AKT phosphorylation and triggering the PI3K pathway and induction of apoptosis
PI3K↑,
Apoptosis↑,
COX2↓, chrysin interacts weakly with COX-1 binding site whereas displayed a remarkable interaction with COX-2.
FAK↓, ESCC cells: resultant blockage of the FAK/AKT signaling pathways
AMPK↑, A549: activation of AMPK by chrysin contributes to Akt suppression
STAT3↑, 4T1cell: inhibited STAT3 activation
MMP↓, Chrysin induces apoptosis through the intrinsic mitochondrial pathway that disrupts mitochondrial membrane potential (MMP) and increases DNA fragmentation.
DNAdam↑,
BAX↑, produces pro-apoptotic proteins, including Bax and Bak, and activates caspase-9 and caspase-3 in various cancer cells
Bak↑,
Casp9↑,
p38↑, chrysin can inhibit tumor growth by activating P38 MAPK and stopping the cell cycle
MAPK↑,
TumCCA↑,
ChemoSen↑, beneficial in inhibiting chemotherapy resistance of cancer cells
HDAC8↓, chrysin suppresses tumorigenesis by inhibiting histone deacetylase 8 (HDAC8)
Wnt↓, chrysin can attenuate Wnt and NF-κB signaling pathways
NF-kB↓,
angioG↓, chrysin can inhibit angiogenesis and inducing apoptosis in HTh7 cells, 4T1 mice, and MDA-MB-231 cells
BioAv↓, low bioavailability of flavonoids such as chrysin


Showing Research Papers: 1 to 3 of 3

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 3

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

ROS↑, 1,  

Mitochondria & Bioenergetics ⓘ

BOK↑, 1,   MMP↓, 1,   XIAP↓, 1,  

Core Metabolism/Glycolysis ⓘ

AMPK↑, 3,   PDK1↓, 1,  

Cell Death ⓘ

Akt↓, 2,   p‑Akt↓, 2,   APAF1↑, 1,   Apoptosis↑, 1,   BAD↓, 1,   Bak↑, 1,   BAX↑, 2,   Bcl-2↓, 1,   BID↑, 1,   Casp3↑, 2,   Casp7↑, 1,   Casp8↑, 1,   Casp9↑, 2,   Cyt‑c↑, 1,   FADD↑, 1,   Fas↑, 1,   FasL↑, 1,   MAPK↑, 1,   Mcl-1↓, 1,   NAIP↓, 1,   p27↑, 1,   p38↑, 1,   TRAIL↑, 1,  

Transcription & Epigenetics ⓘ

tumCV↓, 1,  

DNA Damage & Repair ⓘ

DNAdam↑, 1,   P53↑, 1,  

Cell Cycle & Senescence ⓘ

CDK4↓, 1,   CycB/CCNB1↓, 1,   cycD1/CCND1↓, 1,   cycE1↓, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

GSK‐3β↑, 1,   HDAC8↓, 1,   mTOR↓, 1,   PI3K↑, 1,   STAT3↑, 1,   Wnt↓, 1,  

Migration ⓘ

FAK↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   Inflam↓, 1,   NF-kB↓, 1,   TNF-α↑, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↓, 1,   ChemoSen↑, 2,  

Functional Outcomes ⓘ

AntiCan↑, 1,  
Total Targets: 52

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,  

Functional Outcomes ⓘ

hepatoP↑, 1,  
Total Targets: 2

Scientific Paper Hit Count for: AMPK, adenosine monophosphate-activated protein kinase
3 Chrysin
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#:9  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

 

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