Fisetin / cycE/CCNE Cancer Research Results

FIS, Fisetin: Click to Expand ⟱
Features:
Fisetin is a plant based flavonoid. Found in strawberries(160ug/g), apples, persimmons, onions, cucumbers, grapes.

-Note half-life 3-4hrs
- Oral BioAv low (40-50%)
Pathways:
- induce ROS production in cancer cells, but also known to reduce it.
Also a claim Fisetin-Induced Reactive Oxygen Species Production Has No Effect on Apoptosis in RCC cells
Also one claim (NAC 10-20mM levels) that NAC enhances ROS/apoptosis
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓
- Does not appear to lower antioxidants in cancer cells
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : IL-1β↓, TNF-α↓, IL-6↓,
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, IGF-1↓, uPA↓, VEGF↓, FAK↓, RhoA↓, NF-κB↓, TGF-β↓, ERK↓
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, FAK↓, ERK↓, EMT↓, TOP1↓, TET1↓,
- inhibits HIF-1α↓, cMyc↓, LDH↓, GRP78↑,
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, EGFR↓,
- inhibits Cancer Stem Cells : CD133↓, β-catenin↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK↓, ERK↓, JNK,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Fisetin — a naturally occurring plant flavonol and polyphenolic bioactive compound, chemically identified as 3,3′,4′,7-tetrahydroxyflavone. It is classified as a dietary flavonoid, experimental senotherapeutic and preclinical anticancer agent; Fisetin occurs in strawberries, apples, persimmons, grapes, onions and cucumbers, with strawberries providing one of the higher concentrations among commonly consumed foods. Its reported anticancer, neuroprotective and senolytic actions remain predominantly preclinical, and it is not an approved cancer or Alzheimer’s disease therapy.

Primary mechanisms (ranked):

  1. Suppression of PI3K/AKT/mTOR and related survival signaling, reducing tumor-cell proliferation, stress tolerance and treatment resistance.
  2. Induction of intrinsic mitochondrial apoptosis through BAX/Bcl-2 rebalancing, mitochondrial membrane-potential loss, cytochrome-c release and caspase activation.
  3. Inhibition of NF-κB, STAT3 and inflammatory survival transcription, with reductions in COX-2 and tumor-supportive cytokine signaling.
  4. Cell-cycle arrest through reduced cyclin D1, cyclin E, CDK2, CDK4 and CDK6, accompanied in some models by increased p21 or p27.
  5. Suppression of Wnt/β-catenin, EMT, matrix metalloproteinases and focal-adhesion signaling, reducing cancer stemness, migration and invasion.
  6. Biphasic redox modulation: context-dependent ROS elevation and ER or mitochondrial stress in cancer cells, but antioxidant and NRF2-associated cytoprotection in many nonmalignant injury models.
  7. Senotherapeutic activity against selected senescent-cell populations through disruption of senescent-cell anti-apoptotic pathways; selectivity varies markedly by cell type and dosing regimen.
  8. Secondary inhibition of HIF-1α, VEGF and tumor-associated angiogenesis in responsive experimental models.

Bioavailability / PK relevance: Native fisetin has very low aqueous solubility, rapid intestinal and hepatic conjugation, and limited systemic exposure to unconjugated fisetin after conventional oral administration. Glucuronide, sulfate and methylated metabolites can predominate in circulation. Human PK evidence remains limited, although formulated preparations can produce substantially greater exposure than unformulated fisetin. Liposomal, nanoemulsion, phospholipid, cyclodextrin and other delivery systems are therefore mechanistically relevant but cannot be assumed equivalent to ordinary supplements.

In-vitro vs systemic exposure relevance: Many anticancer experiments use approximately 10–100 µM fisetin, commonly 20–80 µM. These concentrations are substantially above the free-parent concentrations expected after ordinary dietary intake and may exceed those produced by conventional oral supplements. Direct translation of cytotoxic concentrations is therefore poor unless tumor accumulation, active metabolites or an exposure-enhancing formulation is demonstrated.

Clinical evidence status: Cancer evidence is predominantly cell-culture and animal evidence. Early human studies are evaluating fisetin as a senolytic or supportive intervention in aging, frailty and cancer-survivor populations, but there is no completed randomized evidence establishing antitumor efficacy. Fisetin should be categorized as preclinical for direct cancer treatment and investigational for adjunct or senotherapeutic use.

Safety / interaction constraints: Food-level exposure is generally regarded as low risk, and small short-term human studies have not identified a clear severe toxicity signal. However, high intermittent senolytic dosing and long-term supplemental dosing remain insufficiently characterized. Mechanistic concerns include antiplatelet or anticoagulant additivity, modulation of drug-metabolizing enzymes and transporters, topoisomerase inhibition, and context-dependent interference with oxidative or cytotoxic cancer treatments. Product purity and formulation-dependent exposure are additional uncertainties.


Fisetin Mechanistic Ranking

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 PI3K AKT mTOR survival signaling ↓ PI3K, ↓ AKT, ↓ mTORC1 and mTORC2 ↔ or adaptive modulation R–G Reduced proliferation and survival A recurrent mechanistic axis across prostate, breast, colorectal, lung and other experimental cancer models.
2 Mitochondrial intrinsic apoptosis ↑ BAX and BIM, ↓ Bcl-2 and Mcl-1, ↓ mitochondrial membrane potential, ↑ cytochrome-c and caspases ↔ generally preserved or protected (model-dependent) R–G Apoptotic tumor-cell death Often downstream of survival-pathway inhibition, ER stress or redox disturbance rather than a single direct mitochondrial target.
3 NF-κB inflammatory survival signaling ↓ IKK and NF-κB activity, ↓ COX-2, ↓ anti-apoptotic transcription ↓ inflammatory NF-κB signaling R–G Reduced inflammation and stress resistance Potentially relevant to both cancer-cell survival and the inflammatory tumor microenvironment.
4 Cell-cycle control ↑ G1 or G2/M arrest, ↓ cyclin D1 and cyclin E, ↓ CDK2, ↓ CDK4 and ↓ CDK6, ↑ p21 or p27 ↔ or transient arrest (context-dependent) G Cytostatic growth suppression The arrest point varies by cancer lineage, genotype, dose and treatment duration.
5 Wnt β-catenin and cancer stemness ↓ Wnt signaling, ↓ β-catenin, ↓ CD44 and CD133 (model-dependent) ↔ G Reduced stem-like phenotype and tumor propagation Particularly relevant in colorectal and other tumors with active Wnt or β-catenin signaling.
6 EMT focal adhesion and matrix degradation ↓ EMT, ↓ FAK, ↓ RhoA and uPA, ↓ MMP-2 and MMP-9, ↑ E-cadherin ↔ G Reduced migration, invasion and metastasis Primarily preclinical phenotype data; suppression of several nodes is model-dependent.
7 ER stress and unfolded protein response ↑ PERK, ↑ eIF2α, ↑ ATF4 and CHOP, ↑ GRP78 or BiP (context-dependent) ↔ or ↓ pathological ER stress R–G Stress-mediated apoptosis GRP78 induction may indicate stress activation rather than beneficial suppression; prolonged CHOP signaling favors death.
8 Mitochondrial ROS increase ↑ ROS and mtROS (dose-dependent), but ↓ or neutral ROS in some models ↓ ROS in oxidative-injury models P–R Biphasic redox modulation ROS elevation is not universal or necessarily required for apoptosis. Direction depends on concentration, cell type and baseline oxidative state.
9 NRF2 antioxidant response ↑ or ↓ NRF2 (context-dependent) ↑ NRF2, ↑ HO-1, ↑ GSH, ↑ SOD and catalase R–G Adaptive antioxidant regulation Predominantly protective in normal-tissue injury models; tumor-cell NRF2 activation could theoretically reduce treatment sensitivity.
10 Calcium ER mitochondrial stress ↑ cytosolic Ca²⁺ (model-dependent) ↔ P–R Amplification of ER and mitochondrial apoptosis Documented in selected models and should not be treated as a universal primary mechanism.
11 HIF-1α VEGF angiogenic signaling ↓ HIF-1α, ↓ VEGF and ↓ angiogenesis ↔ or vascular protection (injury-dependent) G Reduced hypoxic adaptation and neovascularization Evidence is preclinical and is not equivalent to clinically validated antiangiogenic activity.
12 Glycolysis and metabolic adaptation ↓ HIF-1α, ↓ c-Myc and altered LDH or glycolytic activity (model-dependent) ↔ G Reduced metabolic flexibility The database claim that fisetin uniformly inhibits glycolysis is too broad; direct evidence for comprehensive HK2, GLUT1, PKM2 and LDHA suppression is not consistent across models.
13 Senescent-cell survival networks ↓ survival of selected senescent tumor or stromal cells ↓ senescent-cell burden while sparing many nonsenescent cells (model-dependent) G Senolytic or senomorphic activity Activity is heterogeneous and cannot be generalized to every senescent cell type. Effects on therapy-induced tumor senescence may be beneficial or contextually complex.
14 Chemosensitization and radiosensitization ↑ treatment response through ↓ AKT, ↓ NF-κB, apoptosis priming and possible DNA-damage enhancement ↔ or tissue protection (agent-dependent) R–G Potential adjunct sensitization Preclinical only. Antioxidant effects in normal or tumor cells create treatment-specific uncertainty and require schedule-dependent evaluation.
15 Clinical Translation Constraint Common effective in-vitro concentrations exceed ordinary systemic free-fisetin exposure Human high-dose and long-term safety remain incompletely defined G Limited clinical translatability Poor solubility, rapid conjugation, formulation dependence, tumor heterogeneity, uncertain active-metabolite contribution and absence of established anticancer efficacy are major constraints.

P: 0–30 min    R: 30 min–3 hr    G: >3 hr



Alzheimer’s disease relevance: Fisetin has significant but predominantly preclinical relevance to Alzheimer’s disease and related neurodegenerative disorders. Experimental studies report preservation of synaptic function and cognition, suppression of microglial inflammatory signaling, reduction of oxidative stress, promotion of autophagic clearance of phosphorylated tau, and modulation of amyloid-associated toxicity. Senescent-cell clearance provides an additional emerging rationale, but the relative contribution of senolysis versus direct neuroprotective signaling is unresolved. A pilot clinical study in mild cognitive impairment or mild Alzheimer’s disease is registered, but no completed trial currently establishes cognitive efficacy.

Exposure constraint: Most neurological evidence comes from cell and animal models. Native fisetin’s poor solubility, rapid conjugation and uncertain free-brain exposure materially limit direct translation. CMS121 and other fisetin-derived compounds are being developed partly to improve potency, metabolic stability and neuroprotective exposure.

Fisetin in Alzheimer’s Disease

Rank Pathway / Axis Modulation TSF Primary Effect Notes / Interpretation
1 Neuroinflammation and microglial activation ↓ NF-κB, ↓ inflammatory microglial activation, ↓ pro-inflammatory mediators R–G Reduced chronic neuroinflammatory stress One of the more consistent neuroprotective mechanisms in cellular and animal models.
2 Synaptic plasticity and ERK CREB signaling ↑ ERK-dependent synaptic signaling and long-term potentiation (context-dependent) R–G Preservation of learning and memory Neuronal ERK activation differs from the ERK suppression reported in many cancer models.
3 Tau autophagic clearance ↑ TFEB and autophagic processing, ↓ phosphorylated tau accumulation G Improved proteostasis Demonstrated preclinically; human relevance and required brain exposure remain unknown.
4 Amyloid β toxicity and aggregation ↓ amyloid-associated oxidative injury and fibril formation (model-dependent) G Reduced amyloid-mediated neuronal stress Evidence does not establish clinically meaningful plaque removal.
5 NRF2 antioxidant defense ↑ NRF2, ↑ HO-1 and endogenous antioxidant capacity R–G Protection from oxidative neuronal injury Protective signaling may cooperate with TFEB-mediated proteostasis.
6 Neuronal mitochondria and apoptosis ↓ mitochondrial dysfunction, ↓ ROS and ↓ apoptotic signaling R–G Improved neuronal survival Direction is opposite to the pro-oxidant mitochondrial stress sought in many cancer models.
7 Cellular senescence and SASP ↓ selected senescent-cell burden and ↓ senescence-associated inflammatory signaling G Potential reduction of age-related neuroinflammation Mechanistically plausible but not yet clinically validated in Alzheimer’s disease.
8 Clinical Translation Constraint Limited and formulation-dependent systemic and brain exposure; no established therapeutic dose G Uncertain human efficacy Registered pilot testing does not yet constitute efficacy evidence. Native fisetin may not reproduce the exposure or pharmacology of optimized derivatives.

P: 0–30 min    R: 30 min–3 hr    G: >3 hr
cycE/CCNE, Cyclin E: Click to Expand ⟱
Source:
Type:
Cyclin E regulates multiple downstream molecules, such as the retinoblastoma susceptibility gene (RB1) and the transcription factor E2F.
Cyclin E (Cyclin E1 and Cyclin E2) is the key regulator of the late G1 → S-phase transition.
Cyclin E is a prognostic marker in breast cancer, its altered expression increased with the increasing stage and grade of the tumor.
Cyclin E is a regulatory protein that plays a critical role in the cell cycle, particularly in the transition from the G1 phase to the S phase. Its expression levels can significantly influence cancer progression and patient prognosis.

Cyclin E expression is frequently elevated in various cancers and is generally associated with poor prognosis. Its role in promoting cell cycle progression makes it a potential biomarker for tumor aggressiveness and patient outcomes.


Scientific Papers found: Click to Expand⟱
6899- FIS,    Fisetin, a novel dietary flavonoid, causes apoptosis and cell cycle arrest in human prostate cancer LNCaP cells
- in-vitro, Pca, LNCaP - in-vitro, Pca, PC3 - in-vitro, Pca, 22Rv1
Dose↝, Treatment of fisetin (10–60 μM, 48 h) was found to result in a decrease in the viability of LNCaP, CWR22Rυ1 and PC-3 cells but had only minimal effects on normal prostate epithelial cells
tumCV↓,
selectivity↑,
TumCCA↑, Treatment of LNCaP cells with fisetin also resulted in G1-phase arrest that was associated with a marked decrease in the protein expression of cyclins D1, D2 and E
cycD1/CCND1↓,
cycE/CCNE↓,
CDK2↑, activating partner cyclin-dependent kinases 2, 4 and 6 with concomitant induction of WAF1/p21 and KIP1/p27.
CDK4↑,
CDK6↑,
P21↑,
p27/CDKN1B↑,
Apoptosis↑, Fisetin treatment also resulted in induction of apoptosis, poly (ADP-ribose) polymerase (PARP) cleavage
cl‑PARP↑,
Cyt‑c↑, induction of mitochondrial release of cytochrome c into cytosol, downregulation of X-linked inhibitor of apoptosis protein
XIAP↓,
Casp3↑, significant activation of caspases-3, -8 and -9
Casp8↑,
Casp9↑,
Bcl-2↓, In sharp contrast, the protein expression of Bcl-2 was significantly decreased by fisetin treatment in a dose-dependent fashion
PI3K↓, Inhibition of PI3K and phosphorylation of Akt protein expression by fisetin in LNCaP cells
Akt↓,

6994- FIS,    Fisetin inhibits the activities of cyclin-dependent kinases leading to cell cycle arrest in HT-29 human colon cancer cells
- in-vitro, Colon, HT29
TumCG↓, Fisetin dose dependently inhibited both cell growth and DNA synthesis (P < 0.05), with a 79 +/- 1% decrease in cell number observed 72 h after the addition of 60 micromol/L fisetin.
TumCCA↑, Perturbed cell cycle progression from the G(1) to S phase was observed at 8 h with 60 micromol/L fisetin treatment, whereas a G(2)/M phase arrest was observed after 24 h (P < 0.05).
CDK2↓, Fisetin decreased the activities of cyclin-dependent kinases (CDK)2 and CDK4;
CDK4↓,
cycE/CCNE↓, hese effects were likely attributable to decreases in the levels of cyclin E and D1 and an increase in p21(CIP1/WAF1) levels
cycD1/CCND1↓,
P21↑,

6922- FIS,    Inhibition of Akt/mTOR signaling by the dietary flavonoid fisetin
- Review, Var, NA
*memory↑, Oral administration of fisetin was shown to enhance learning and memory in mice [10]. In addition, it has anti-inflammatory activity and has been shown to inhibit the activity of 5-lipoxygenase in microglia cells,
*Inflam↓,
*5LO↓,
*lipid-P↓, thereby reducing the production of lipid peroxides and their pro-inflammatory by-products
*NF-kB↓, Of the nine different flavones tested, fisetin was the most potent in suppressing tumor necrosis factor (TNF)-induced NF-κB activation.
*antiOx↑, Fisetin not only has direct antioxidant activity but can also increase the intracellular levels of glutathione, the major intracellular antioxidant.
*GSH↑,
*HO-1↑, induction of Heme Oygenase-1 expression via NF-E2-related factor 2 activation may contribute to the cytoprotection exerted by fisetin against oxidative stress
*NRF2↑,
*ROS↓,
PI3K↓, Prostate: ↓ PI3-K (p85) expression [33] ↓ Akt phosphorylation at Ser473 & Thr308
Akt↓,
TumCCA↑, Induces cell cycle arrest in G1 phase ↓ cyclins D1, D2 and E ↓ cdks 2, 4
cycD1/CCND1↓,
cycE/CCNE↓,
CDK2↓,
CDK4↓,
TumCMig↓, ↓ migration, invasion through MMP suppression
MMPs↓,
PSA↓, ↓ serum PSA levels

2839- FIS,    Dietary flavonoid fisetin for cancer prevention and treatment
- Review, Var, NA
DNAdam↑, Fisetin induced DNA fragmentation, ROS generation, and apoptosis in NCI-H460 cells via a reduction in Bcl-2 and increase in Bax expression
ROS↑,
Apoptosis↑,
Bcl-2↓,
BAX↑,
cl‑Casp9↑, Fisetin treatment increased cleavage of caspase-9 and caspase-3 thereby increasing caspase-3 activation
cl‑Casp3↑,
Cyt‑c↑, leading to cytochrome-c release
lipid-P↓, Fisetin (25 mg/kg body weight) decreased histological lesions and levels of lipid peroxidation and modulated the enzymatic and nonenzymatic anti-oxidants in B(a)P-treated Swiss Albino mice
TumCG↓, We observed that fisetin treatment (5–20 μM) inhibits cell growth and colony formation in A549 NSC lung cancer cells.
TumCA↓, Another study showed that fisetin inhibits adhesion, migration, and invasion in A549 lung cancer cells by downregulating uPA, ERK1/2, and MMP-2
TumCMig↓,
TumCI↓,
uPA↓,
ERK↓,
MMP9↓,
NF-kB↓, Treatment with fisetin also decreased the nuclear levels of NF-kB, c-Fos, c-Jun, and AP-1 and inhibited NF-kB binding.
cFos↓,
cJun↓,
AP-1↓,
TumCCA↑, Our laboratory has previously shown that treatment of LNCaP cells with fisetin caused inhibition of PCa by G1-phase cell cycle arrest
AR↓, inhibited androgen signaling and tumor growth in athymic nude mice
mTORC1↓, induced autophagic cell death in PCa cells through suppression of mTORC1 and mTORC2
mTORC2↓,
TSC2↑, activated the mTOR repressor TSC2, commonly associated with inhibition of Akt and activation of AMPK
EGF↓, Fisetin also inhibits EGF and TGF-β induced YB-1 phosphorylation and EMT in PCa cells
TGF-β↓,
EMT↓, Fisetin also inhibits EGF and TGF-β induced YB-1 phosphorylation and EMT in PCa cells
P-gp/ABCB1↓, decrease the P-gp protein in multidrug resistant NCI/ADR-RES cells.
PI3K↓, Fisetin also inhibited the PI3K/AKT/NFkB signaling
Akt↓,
mTOR↓, Fisetin inhibited melanoma progression in a 3D melanoma skin model with downregulation of mTOR, Akt, and upregulation of TSC
eff↑, combinational treatment study of melatonin and fisetin demonstrated enhanced antitumor activity of fisetin
ROS↓, Fisetin inhibited ROS and augmented NO generation in A375 melanoma cells
ER Stress↑, induction of ER stress evidenced by increased IRE1α, XBP1s, ATF4, and GRP78 levels in A375 and 451Lu cells.
IRE1↑,
ATF4↑,
GRP78/BiP↑,
ChemoSen↑, combination of fisetin with sorafenib effectively inhibited EMT and augmented the anti-metastatic potential of sorafenib by reducing MMP-2 and MMP-9 proteins in melanoma cell xenografts
CDK2↓, Fisetin (0–60 μM) was shown to inhibit activity of CDKs dose-dependently leading to cell cycle arrest in HT-29 human colon cancer cells
CDK4↓, Fisetin treatment decreased activities of CDK2 and CDK4 via decreased levels of cyclin-E, cyclin-D1 and increase in p21 (CIP1/WAF1) levels.
cycE/CCNE↓,
cycD1/CCND1↓,
P21↑,
COX2/PTGS2↓, fisetin (30–120 μM) induces apoptosis in colon cancer cells by inhibiting COX-2 and Wnt/EGFR/NF-kB -signaling pathways
Wnt↓,
EGFR↓,
β-catenin/ZEB1↓, Fisetin treatment inhibited Wnt/EGFR/NF-kB signaling via downregulation of β-catenin, TCF-4, cyclin D1, and MMP-7
TCF-4↓,
MMP7↓,
RadioS↑, fisetin treatment was found to radiosensitize human colorectal cancer cells which are resistant to radiotherapy
eff↑, Combined treatment of fisetin with NAC increased cleaved caspase-3, PARP, reduced mitochondrial membrane potential with induction of caspase-9 in COLO25 cells

2832- FIS,    Fisetin's Promising Antitumor Effects: Uncovering Mechanisms and Targeting for Future Therapies
- Review, Var, NA
MMP↓, fraction of cells with reduced mitochondrial membrane potential also increased, indicating that fisetin-induced apoptosis also destroys mitochondria.
mtDam↑,
Cyt‑c↑, Cytochrome c and Smac/DIABLO levels are also released when the mitochondrial membrane potential changes, and this results in the activation of the caspase cascade and the cleavage of poly [ADP-ribose] polymerase (PARP)
Diablo↑,
Casp↑,
cl‑PARP↑,
Bak↑, Fisetin induced apoptosis in HCT-116 human colon cancer cells by upregulating proapoptotic proteins Bak and BIM and downregulating antiapoptotic proteins B cell lymphoma (BCL)-XL and -2.
BIM↑,
Bcl-xL↓,
Bcl-2↓,
P53↑, fisetin through the activation of p53
ROS↑, over generation of ROS, which is also directly initiated by fisetin, the stimulation of AMPK
AMPK↑,
Casp9↑, activating caspase-9 collectively, then activating caspase-3, leading to apopotosis
Casp3↑,
BID↑, Bid, AIF and the increase of the ratio of Bax to Bcl-2, causing the activation of caspase 3–9
AIF↑,
Akt↓, The inhibition of the Akt/mTOR/MAPK/
mTOR↓,
MAPK↓,
Wnt↓, Fisetin has been shown to degrade the Wnt/β/β-catenin signal
β-catenin/ZEB1↓,
TumCCA↑, fisetin triggered G1 phase arrest in LNCaP cells by activating WAF1/p21 and kip1/p27, followed by a reduction in cyclin D1, D2, and E as well as CDKs 2, 4, and 6
P21↑,
p27/CDKN1B↑,
cycD1/CCND1↓,
cycE/CCNE↓,
CDK2↓,
CDK4↓,
CDK6↓,
TumMeta↓, reduces PC-3 cells' capacity for metastasis
uPA↓, fisetin decreased MMP-2 protein, messenger RNA (mRNA), and uPA levels through an ERK-dependent route
E-cadherin↑, Fisetin can upregulate the epithelial marker E-cadherin, downregulate the mesenchymal marker vimentin, and drastically lower the EMT regulator twist protein level at noncytotoxic dosages, studies have revealed.
Vim↓,
EMT↓,
Twist↓,
DNAdam↑, Fisetin induces apoptosis in the human nonsmall lung cancer cell line NCI-H460, which causes DNA breakage, the growth of sub-G1 cells, depolarization of the mitochondrial membrane, and activation of caspases 9, 3, which are involved in prod of iROS
ROS↓, fisetin therapy has been linked to a reduction in ROS, according to other research.
COX2/PTGS2↓, Fisetin lowered the expression of COX-1 protein, downregulated COX-2, and decreased PGE2 production
PGE2↓,
HSF1↓, Fisetin is a strong HSF1 inhibitor that blocks HSF1 from binding to the hsp70 gene promoter.
cFos↓, NF-κB, c-Fos, c-Jun, and AP-1 nuclear levels were also lowered by fisetin treatment
cJun↓,
AP-1↓,
Mcl-1↓, inhibition of Bcl-2 and Mcl-1 all contribute to an increase in apoptosis
NF-kB↓, Fisetin's ability to prevent NF-κB activation in LNCaP cells
IRE1↑, fisetin (20–80 µM) was accompanied by brief autophagy and the production of ER stress, which was shown by elevated levels of IRE1 α, XBP1s, ATF4, and GRP78 in A375 and 451Lu cells
ER Stress↑,
ATF4↑,
GRP78/BiP↑,
MMP2↓, lowering MMP-2 and MMP-9 proteins in melanoma cell xenografts
MMP9↓,
TCF-4↓, fisetin therapy reduced levels of β-catenin, TCF-4, cyclin D1, and MMP-7,
MMP7↓,
RadioS↑, fisetin treatment could radiosensitize human colorectal cancer cells that are resistant to radiotherapy.
TOP1↓, fisetin blocks DNA topoisomerases I and II in leukemia cells.
TOP2↓,

2825- FIS,    Exploring the molecular targets of dietary flavonoid fisetin in cancer
- Review, Var, NA
*Inflam↓, present in fruits and vegetables such as strawberries, apple, cucumber, persimmon, grape and onion, was shown to possess anti-microbial, anti-inflammatory, anti-oxidant
*antiOx↓, fisetin possesses stronger oxidant inhibitory activity than well-known potent antioxidants like morin and myricetin.
*ERK↑, inducing extracellular signal-regulated kinase1/2 (ERK)/c-myc phosphorylation, nuclear NF-E2-related factor-2 (Nrf2), glutamate cystine ligase and glutathione (GSH) levels
*p‑cMyc↑,
*NRF2↑,
*GSH↑,
*HO-1↑, activate Nrf2 mediated induction of hemeoxygenase-1 (HO-1) important for cell survival
mTOR↓, in our studies on fisetin in non-small lung cancer cells, we found that fisetin acts as a dual inhibitor PI3K/Akt and mTOR pathways
PI3K↓,
Akt↓,
TumCCA↑, fisetin treatment to LNCaP cells resulted in G1-phase arrest accompanied with decrease in cyclins D1, D2 and E and their activating partner CDKs 2, 4 and 6 with induction ofWAF1/p21 and KIP1/p27
cycD1/CCND1↓,
cycE/CCNE↓,
CDK2↓,
CDK4↓,
CDK6↓,
P21↑,
p27/CDKN1B↑,
JNK↑, fisetin could inhibit the metastatic ability of PC-3 cells by suppressing of PI3 K/Akt and JNK signaling pathways with subsequent repression of matrix metalloproteinase-2 (MMP-2) and MMP-9
MMP2↓,
MMP9↓,
uPA↓, fisetin suppressed protein and mRNA levels of MMP-2 and urokinase-type plasminogen activator (uPA) in an ERK-dependent fashion.
NF-kB↓, decrease in the nuclear levels of NF-B, c-Fos, and c-Jun was noted in fisetin treated cells
cFos↓,
cJun↓,
E-cadherin↑, upregulation of E-cadherin and down-regulation of vimentin and N-cadherin.
Vim↓,
N-cadherin↓,
EMT↓, EMT inhibiting potential of fisetin has been reported in melanoma cells
MMP↓, The shift in mitochondrial membrane potential was accompanied by release of cytochrome c and Smac/DIABLO resulting in activation of the caspase cascade and cleavage of PARP
Cyt‑c↑,
Diablo↑,
Casp↑,
cl‑PARP↑,
P53↑, fisetin with induction of p53 protein
COX2/PTGS2↓, Fisetin down-regulated COX-2 and reduced the secretion of prostaglandin E2 without affecting COX-1 protein expression.
PGE2↓,
HSP70/HSPA5↓, It was shown that the induction of HSF1 target proteins, such as HSP70, HSP27 and BAG3 were inhibited in HCT-116 cells exposed to heat shock at 43 C for 1 h in the presence of fisetin
HSP27↓,
DNAdam↑, DNA fragmentation, an increase in the number of sub-G1 phase cells, mitochondrial membrane depolarization and activation of caspase-9 and caspase-3.
Casp3↑,
Casp9↑,
ROS↑, This was associated with production of intracellular ROS
AMPK↑, Fisetin induced AMPK signaling
NO↑, fisetin induced cytotoxicity and showed that fisetin induced apoptosis of leukemia cells through generation of NO and elevated Ca2+ activating the caspase
Ca+2↑,
mTORC1↓, Fisetin was shown to inhibit the mTORC1 pathway and its downstream components including p70S6 K, eIF4B and eEF2 K.
p70S6↓,
ROS↓, Others have also noted a similar decrease in ROS with fisetin treatment.
ER Stress↑, Induction of ER stress upon fisetin treatment, evident as early as 6 h, and associated with up-regulation of IRE1, XBP1s, ATF4 and GRP78, was followed by autophagy which was not sustained
IRE1↑,
ATF4↑,
GRP78/BiP↑,
eff↑, Combination of fisetin and the BRAF inhibitor sorafenib was found to be extremely effective in inhibiting the growth of BRAF-mutated human melanoma cells
eff↑, synergistic effect of fisetin and sorafenib was observed in human cervical cancer HeLa cells,
eff↑, Similarly, fisetin in combination with hesperetin induced apoptosis
RadioS↑, pretreatment with fisetin enhanced the radio-sensitivity of p53 mutant HT-29 cancer cells,
ChemoSen↑, potential of fisetin in enhancing cisplatin-induced cytotoxicity in various cancer models
Half-Life↝, intraperitoneal (ip) dose of 223 mg/kg body weight the maximum plasma concentration (2.53 ug/ml) of fisetin was reached at 15 min which started to decline with a first rapid alpha half-life of 0.09 h and a longer half-life of 3.12 h.

2852- FIS,    A comprehensive view on the fisetin impact on colorectal cancer in animal models: Focusing on cellular and molecular mechanisms
- Review, CRC, NA
Risk↓, Flavonoids, including fisetin, have been linked to a reduced risk of colorectal cancer (CRC)
P53↑, increased levels of p53 and decreased levels of murine double minute 2, contributing to apoptosis induction
MDM2↓,
COX2/PTGS2↓, fisetin inhibits the cyclooxygenase-2 and wingless-related integration site (Wnt)/epidermal growth factor receptor/nuclear factor kappa B signaling pathways
Wnt↓,
NF-kB↓,
CDK2↓, regulating the activities of cyclin-dependent kinase 2 and cyclin-dependent kinase 4, reducing retinoblastoma protein phosphorylation, decreasing cyclin E levels, and increasing p21 levels
CDK4↓,
p‑RB1↓,
cycE/CCNE↓,
P21↑,
NRF2↓, Pandey and Trigun revealed that fisetin induces apoptosis in CRC cells by inhibiting autophagy and suppressing Nrf2
ROS↑, Furthermore, fisetin elevated ROS levels and downregulated Nrf2 expression, indicating Nrf2 suppression in fisetin-induced apoptosis in CRC cells.
Casp8↑, fisetin treatment resulted in the upregulation of various molecular pathways, including cleaved caspase-8, Fas ligand, TRAIL, and DR5 levels, in the cancer cells
Fas↑,
TRAIL↑,
DR5↑,
MMP↓, Fisetin also caused mitochondrial membrane depolarization, leading to the release of Smac/DIABLO and cytochrome c
Cyt‑c↑,
selectivity↑, enhanced cellular uptake, and induction of apoptosis in cancer cells
P450↝, Fisetin also affected the activities of cytochrome P450 (CYP450 3A4) and glutathione-S-transferase
GSTs↝,
RadioS↑, fisetin pretreatment heightened the radiosensitivity of p53-mutant HT29 human CRC cells
Inflam↓, Fisetin suppresses inflammation in the colon and CRC
β-catenin/ZEB1↓, fisetin in treating colon cancer, revealing its capability to effectively downregulate β-catenin and COX-2
EGFR↓, fisetin decreased EGFR and NF-κB activation in HT29 cells
TumCCA↑, It induces cell cycle arrest, disrupting the transition from the G1 to the S phase, as well as causing G2/M phase arrest
ChemoSen↑, intervention with fisetin and 5-FU appeared to extend the lifespan of the experimental animals

2847- FIS,    Fisetin-induced cell death, apoptosis, and antimigratory effects in cholangiocarcinoma cells
- in-vitro, CCA, NA
tumCV↓, Fisetin was significant in suppressing CCA cell viability and colony formation during the course of this experiment.
ChemoSen↑, fisetin significantly potentiated the cisplatin-induced CCA cells death
TumCMig↓, reduced the migration of cancer cells and demonstrated more pronounced effects on KKU-M452 cells
ROS↑, fisetin prompted cell death and apoptosis in CCA cells by stimulating the generation of ROS in KKU-100 cells at a dosage of 50 μM
TumCI↓, suppression of cell invasion and migration,prevention of angiogenesis
angioG↓,
CDK2↓, mechanisms including the suppression of cyclin-dependent kinases, the inhibition of PI3K/Akt/mTOR
PI3K↓,
Akt↓,
mTOR↓,
EGFR↓, suppression of the EGFR pathway, the stimulation of the caspase cascade
Casp↑,
mTORC1↓, suppressing the mTORC1 and 2 signaling
mTORC2↑,
cycD1/CCND1↓, decreasing the level of the cyclin D1 and cyclin E mRNA
cycE/CCNE↓,
MMP2↓, Matrix metalloproteinases (MMP) 2 and MMP 9 gene expression and enzyme activity are suppressed
MMP9↓,
ER Stress↑, Moreover, fisetin also caused endoplasmic reticulum (ER) stress-induced production of mitochondrial ROS generation and Ca2+, with the involvement of MAPK signaling
Ca+2↑,
eff↓, The ROS scavenger molecule N-acetyl cysteine decreased fisetin-activated apoptosis in multiple myeloma and oral cancer cells

2843- FIS,    Fisetin and Quercetin: Promising Flavonoids with Chemopreventive Potential
- Review, Var, NA
NRF2↑, fisetin increased the protein level and accumulation Nrf2 and down regulated the protein levels of Keap1
Keap1↓,
ChemoSen↑, In vitro studies showed that fisetin and quercetin could also act against chemotherapeutic resistance in several cancers
BioAv↓, Fisetin has low aqueous solubility and bioavailability
Cyt‑c↑, release of cytochrome c from mitochondria, caspase-3 and caspase-9 mRNA and protein expression, and B-cell lymphoma 2 (Bcl-2) and Bcl-2 associated X (Bax) levels, were found to be regulated in the fisetin-treated cancer cell line
Casp3↑,
Casp9↑,
BAX↑,
tumCV↓, fisetin at 5–80 µM significantly reduced the viability of A431 human epidermoid carcinoma cells by the release of cytochrome c,
Mcl-1↓, reducing the anti-apoptotic protein expression of Bcl-2, Bcl-xL, and Mcl-1 along with elevation of pro-apoptotic protein expression (Bax, Bak, and Bad) and caspase cleavage and poly-ADP-ribose polymerase (PARP) protein
cl‑PARP↑,
IGF-1↓, fisetin promoted caspase-8 and cytochrome c expression, possibly by impeding the aberrant activation of insulin growth factor receptor 1 and Akt
Akt↓,
CDK6↓, fisetin binds with CDK6, which in turn blocks its activity with an inhibitory concentration (IC50) at a concentration of 0.85 μM
TumCCA↑, fisetin is identified as a regulator of cell cycle checkpoints, leading to cell arrest through CDK inhibition in HL60 cells and astrocyte cells over the G0/G1, S, and G2/M phases
P53?, exhibiting elevated levels of p53
cycD1/CCND1↓, 10–60 μM fisetin concentration, prostate cancer cells PC3, LNCaP, and CWR22Ry1 had decreased cellular viability and decreased levels of D1, D2, and E cyclins and their activating partners CDK2, and CDKs 4/ 6,
cycE/CCNE↓,
CDK2↓, decreased levels of D1, D2, and E cyclins and their activating partners CDK2, and CDKs 4/ 6,
CDK4↓,
CDK6↓,
MMP2↓, fisetin displayed tumor inhibitory effects by blocking MMP-2 and MMP-9 at mRNA and protein levels in prostate PC-3 cells
MMP9↓,
MMP1↓, Similarly, fisetin can also inhibit MMP-1, MMP-9, MMP-7, MMP-3, and MMP-14 gene expression linked with ECM remodeling in human umbilical vascular endothelial cells (HUVECs) and HT-1080 fibrosarcoma cells [9
MMP7↓,
MMP3↓,
VEGF↓, fisetin in a concentration-dependent manner (10–50 μM concentration) significantly inhibited regular serum, growth-enhancing supplement, and vascular endothelial growth factor (VEGF)
PI3K↓, fisetin inhibited PI3K expression and phosphorylation of Akt
mTOR↓, fisetin treatment activated the apoptotic process through inhibiting both PI3K and mammalian target of rapamycin (mTOR) signaling pathways
COX2/PTGS2↓, fisetin resulted in activation of apoptosis and inhibition of COX-2 and the Wnt/EGFR/NF-kB pathway
Wnt↓,
EGFR↓,
NF-kB↓,
ERK↓, Fisetin is one of the flavonoids that has been found to suppress ERK1/2 signaling in human gastric (SGC7901), hepatic (HepG2), colorectal (Caco-2)
ROS↑, fisetin induced ROS generation and suppressed ERK through its phosphorylation
angioG↓, fisetin-induced anti-angiogenesis led to reduced VEGF and epidermal growth factor receptor (EGFR) expression
TNF-α↓, Fisetin suppressed IL-1β-mediated expression of inducible nitric oxide synthase, nitric oxide, interleukin-6, tumor necrotic factor-α, prostaglandin E2, cyclooxygenase-2 (iNOS, NO, IL-6, TNF-α, PGE2, and COX-2),
PGE2↓,
iNOS↓,
NO↓,
IL6↓,
HSP70/HSPA5↝, fisetin-mediated inhibition of cellular proliferation by HSP70 and HSP27 regulation
HSP27↝,


Showing Research Papers: 1 to 9 of 9

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 9

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress(tgid=1) ⓘ

GSTs↝, 1,   Keap1↓, 1,   lipid-P↓, 1,   NRF2↓, 1,   NRF2↑, 1,   ROS↓, 3,   ROS↑, 6,  

Mitochondria & Bioenergetics(tgid=3) ⓘ

AIF↑, 1,   EGF↓, 1,   MMP↓, 3,   mtDam↑, 1,   XIAP↓, 1,  

Core Metabolism/Glycolysis(tgid=4) ⓘ

AMPK↑, 2,  

Cell Death(tgid=5) ⓘ

Akt↓, 7,   Apoptosis↑, 2,   Bak↑, 1,   BAX↑, 2,   Bcl-2↓, 3,   Bcl-xL↓, 1,   BID↑, 1,   BIM↑, 1,   Casp↑, 3,   Casp3↑, 4,   cl‑Casp3↑, 1,   Casp8↑, 2,   Casp9↑, 4,   cl‑Casp9↑, 1,   Cyt‑c↑, 6,   Diablo↑, 2,   DR5↑, 1,   Fas↑, 1,   iNOS↓, 1,   JNK↑, 1,   MAPK↓, 1,   Mcl-1↓, 2,   MDM2↓, 1,   p27/CDKN1B↑, 3,   TRAIL↑, 1,  

Kinase & Signal Transduction(tgid=6) ⓘ

p70S6↓, 1,   TSC2↑, 1,  

Transcription & Epigenetics(tgid=7) ⓘ

cJun↓, 3,   tumCV↓, 3,  

Protein Folding & ER Stress(tgid=8) ⓘ

ER Stress↑, 4,   GRP78/BiP↑, 3,   HSF1↓, 1,   HSP27↓, 1,   HSP27↝, 1,   HSP70/HSPA5↓, 1,   HSP70/HSPA5↝, 1,   IRE1↑, 3,  

DNA Damage & Repair(tgid=10) ⓘ

DNAdam↑, 3,   P53?, 1,   P53↑, 3,   cl‑PARP↑, 4,  

Cell Cycle & Senescence(tgid=11) ⓘ

CDK2↓, 8,   CDK2↑, 1,   CDK4↓, 7,   CDK4↑, 1,   cycD1/CCND1↓, 8,   cycE/CCNE↓, 9,   P21↑, 6,   p‑RB1↓, 1,   TumCCA↑, 8,  

Proliferation, Differentiation & Cell State(tgid=12) ⓘ

cFos↓, 3,   EMT↓, 3,   ERK↓, 2,   IGF-1↓, 1,   mTOR↓, 5,   mTORC1↓, 3,   mTORC2↓, 1,   mTORC2↑, 1,   PI3K↓, 6,   TCF-4↓, 2,   TOP1↓, 1,   TOP2↓, 1,   TumCG↓, 2,   Wnt↓, 4,  

Migration(tgid=13) ⓘ

AP-1↓, 2,   Ca+2↑, 2,   E-cadherin↑, 2,   MMP1↓, 1,   MMP2↓, 4,   MMP3↓, 1,   MMP7↓, 3,   MMP9↓, 5,   MMPs↓, 1,   N-cadherin↓, 1,   TGF-β↓, 1,   TumCA↓, 1,   TumCI↓, 2,   TumCMig↓, 3,   TumMeta↓, 1,   Twist↓, 1,   uPA↓, 3,   Vim↓, 2,   β-catenin/ZEB1↓, 3,  

Angiogenesis & Vasculature(tgid=14) ⓘ

angioG↓, 2,   ATF4↑, 3,   EGFR↓, 4,   NO↓, 1,   NO↑, 1,   VEGF↓, 1,  

Barriers & Transport(tgid=15) ⓘ

P-gp/ABCB1↓, 1,  

Immune & Inflammatory Signaling(tgid=16) ⓘ

COX2/PTGS2↓, 5,   IL6↓, 1,   Inflam↓, 1,   NF-kB↓, 5,   PGE2↓, 3,   PSA↓, 1,   TNF-α↓, 1,  

Hormonal & Nuclear Receptors(tgid=20) ⓘ

AR↓, 1,   CDK6↓, 4,   CDK6↑, 1,  

Drug Metabolism & Resistance(tgid=21) ⓘ

BioAv↓, 1,   ChemoSen↑, 5,   Dose↝, 1,   eff↓, 1,   eff↑, 5,   Half-Life↝, 1,   P450↝, 1,   RadioS↑, 4,   selectivity↑, 2,  

Clinical Biomarkers(tgid=22) ⓘ

AR↓, 1,   EGFR↓, 4,   IL6↓, 1,   PSA↓, 1,  

Functional Outcomes(tgid=23) ⓘ

Risk↓, 1,  
Total Targets: 127

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress(tgid=1) ⓘ

antiOx↓, 1,   antiOx↑, 1,   GSH↑, 2,   HO-1↑, 2,   lipid-P↓, 1,   NRF2↑, 2,   ROS↓, 1,  

Core Metabolism/Glycolysis(tgid=4) ⓘ

p‑cMyc↑, 1,  

Proliferation, Differentiation & Cell State(tgid=12) ⓘ

ERK↑, 1,  

Migration(tgid=13) ⓘ

5LO↓, 1,  

Immune & Inflammatory Signaling(tgid=16) ⓘ

Inflam↓, 2,   NF-kB↓, 1,  

Functional Outcomes(tgid=23) ⓘ

memory↑, 1,  
Total Targets: 13

Scientific Paper Hit Count for: cycE/CCNE, Cyclin E
9 Fisetin
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

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