Fisetin / CDK2 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):

Suppression of PI3K/AKT/mTOR and related survival signaling, reducing tumor-cell proliferation, stress tolerance and treatment resistance.
Induction of intrinsic mitochondrial apoptosis through BAX/Bcl-2 rebalancing, mitochondrial membrane-potential loss, cytochrome-c release and caspase activation.
Inhibition of NF-κB, STAT3 and inflammatory survival transcription, with reductions in COX-2 and tumor-supportive cytokine signaling.
Cell-cycle arrest through reduced cyclin D1, cyclin E, CDK2, CDK4 and CDK6, accompanied in some models by increased p21 or p27.
Suppression of Wnt/β-catenin, EMT, matrix metalloproteinases and focal-adhesion signaling, reducing cancer stemness, migration and invasion.
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.
Senotherapeutic activity against selected senescent-cell populations through disruption of senescent-cell anti-apoptotic pathways; selectivity varies markedly by cell type and dosing regimen.
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

CDK2, Cyclin-dependent kinase 2: Click to Expand ⟱

Source:

Type:

(CDK2) complex is significantly over-activated in many cancers.
CDK2 (Cyclin-Dependent Kinase 2) is a serine/threonine kinase that regulates late G1 and S phase of the cell cycle.
CDK2 interacts with and phosphorylates proteins in pathways such as DNA damage, intracellular transport, protein degradation, signal transduction, DNA and RNA metabolism and translation.

Scientific Papers found: Click to Expand⟱

6902-

FIS,

Fisetin, a dietary flavonoid, induces cell cycle arrest and apoptosis through activation of p53 and inhibition of NF-kappa B pathways in bladder cancer cells

in-vitro,

Bladder,

T24/HTB-9

P53↑, we report that fisetin-induced apoptosis in human bladder cancer is mediated via modulation of two related pathways: up-regulation of p53 and down-regulation of NF-kappa B activity,
NF-kB↓,
TumCP↓, fisetin inhibited the proliferation of T24 and EJ cells by inducing apoptosis and blocking cell cycle progression in the G0/G1 phase.
Apoptosis↑,
TumCCA↑,
P21↑, fisetin significantly increases the expression of p53 and p21 proteins, and decreases the levels of cyclin D1, cyclin A, CDK4 and CDK2, thereby contributing to cell cycle arrest.
cycD1/CCND1↓,
cycA1/CCNA1↓,
CDK4↓,
CDK2↓,
BAX↑, fisetin increased the expression of Bax and Bak but decreased the levels of Bcl-2 and Bcl-xL and subsequently triggered mitochondrial apoptotic pathway
Bak↑,
Bcl-2↓,
Bcl-xL↓,

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,

*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

2842-

FIS,

Fisetin inhibits cellular proliferation and induces mitochondria-dependent apoptosis in human gastric cancer cells

in-vitro,

GC,

AGS

TumCCA↑, Fisetin (25-100 μM) caused significant decrease in the levels of G1 phase cyclins and CDKs, and increased the levels of p53 and its S15 phosphorylation in gastric cancer cells.
CDK2↓,
P53↑,
selectivity↑, observed that growth suppression and death of non-neoplastic human intestinal FHs74int cells were minimally affected by fisetin
MMP↓, Fisetin strongly increased apoptotic cells and showed mitochondrial membrane depolarization in gastric cancer cells
DNAdam↑, DNA damage was observed as early as 3 h after fisetin treatment which was accompanied with gamma-H2A.X(S139) phosphorylation and cleavage of PARP
cl‑PARP↑,
mt-ROS↑, showed an increase in mitochondrial ROS generation in time- and dose-dependent fashion
eff↓, Pre-treatment with N-acetyl cysteine (NAC) inhibited ROS generation and also caused protection from fisetin-induced DNA damage
survivin↓, We observed a decrease in the levels of survivin by fisetin in gastric cancer cells which further strengthens our results that fisetin decreases antiapoptotic proteins to promote apoptosis.

2839-

FIS,

Dietary flavonoid fisetin for cancer prevention and treatment

Review,

Var,

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,

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↓,

2829-

FIS,

Fisetin: An anticancer perspective

Review,

Var,

TumCP↓, Being a potent anticancer agent, fisetin has been used to inhibit stages in the cancer cells (proliferation, invasion), prevent cell cycle progression, inhibit cell growth, induce apoptosis, cause polymerase (PARP) cleavage
TumCI↓,
TumCCA↑,
TumCG↓,
Apoptosis↑,
cl‑PARP↑,
PKCδ↓, fisetin also suppresses the activation of the PKCα/ROS/ERK1/2 and p38 MAPK signaling pathways, reduces the NF‐κB activation, and down‐regulates the level of the oncoprotein securin
ROS↓,
ERK↓,
NF-kB↓,
survivin↓,
ROS↑, In human multiple myeloma U266 cells, fisetin stimulated the production of free radical species that led to apoptosis
PI3K↓, Multiple studies also authenticated the anticancer role of fisetin through various signaling pathways such as blocking of mammalian target of rapamycin (PI3K/Akt/mTOR)
Akt↓,
mTOR↓,
MAPK↓, phosphatidylinositol‐3‐kinase/protein kinase B, mitogen‐activated protein kinases (MAPK)‐dependent nuclear factor kappa‐light‐chain‐enhancer of activated B cells (NF‐κB), and p38, respectively,
p38↓,
HER2/EBBR2↓, (HER2)/neu‐overexpressing breast cancer cell lines. Fisetin caused induction through inactivating the receptor, inducing the degradation of the proteasomes, reducing its half‐life
EMT↓, In addition, mutation of epithelial‐to‐mesenchymal transition (EMT)
PTEN↑, up‐regulation of expression of PTEN mRNA and protein were reported after fisetin treatment
HO-1↑, In breast cancer cells (4T1 and JC cells), fisetin increased HO‐1 mRNA and protein expressions, elevated Nrf2 expression
NRF2↑,
MMP2↓, fisetin reduced MMP‐2 and MMP‐9 enzyme activity and gene expression for both mRNA levels and protein
MMP9↓,
MMP↓, fisetin treatment further led to permeabilization of mitochondrial membrane, activation of caspase‐8 and caspase‐9, as well as the cleavage of poly(ADP‐ribose) polymerase 1
Casp8↑,
Casp9↑,
TRAILR↑, enhanced the levels of TRAIL‐R1
Cyt‑c↑, mitochondrial releasing of cytochrome c into cytosol, up‐regulation and down‐regulation of X‐linked inhibitor of apoptosis protein
XIAP↓,
P53↑, fisetin also enhanced the protein p53 levels
CDK2↓, lowered cell number, the activities of CDK‐2,4)
CDK4↓,
CDC25↓, it also decreased cell division cycle protein levels (CDC)2 and CDC25C, and CDC2 activity (Lu et al., 2005)
CDC2↓,
VEGF↓, down‐regulating the expressions of p‐ERK1/2, vascular endothelial growth factor receptor 1(VEGFR1), p38, and pJNK, respectively
DNAdam↑, Fisetin (80 microM) showed dose‐dependently caused DNA fragmentation, induced cellular swelling and apoptotic death, and showed characteristics of apoptosis.
TET1↓, lowered the TET1 expression levels
CHOP/DDIT3↑, caused up‐regulation of (C/EBP) homologous protein (CHOP) expression and reactive oxygen species production,
CD44↓, down‐regulation of CD44 and CD133 markers
CD133↓,
uPA↓, down‐regulation of levels of matrix metalloproteinase‐2 (MMP‐2), urokinase‐type plasminogen activator (uPA),
CSCs↓, Being a potent anticancer agent, fisetin administration in in vitro and in vivo studies in kidney renal stem cells (HuRCSCs) effectively inhibited cancer cell stages such as proliferation,

2828-

FIS,

Fisetin, a Potent Anticancer Flavonol Exhibiting Cytotoxic Activity against Neoplastic Malignant Cells and Cancerous Conditions: A Scoping, Comprehensive Review

Review,

Var,

*neuroP↑, As a hydrophobic agent, FIS readily penetrates cell membranes and accumulates in cells to exert neuroprotective, neurotrophic and antioxidant effects
*antiOx↑,
*Inflam↓, FIS treatment may include alleviating inflammation, cell apoptosis and oxidative stress
RenoP↑, alleviates cell apoptosis and inflammation in acute kidney injury
COX2/PTGS2↓, FIS induces apoptosis in various tumor cells by, for example, inhibiting cyclooxygenase-2, inhibiting the Wnt/EGFR/NF-κB pathway, activating the caspase-3 cascade
Wnt↓,
EGFR↓,
NF-kB↓,
Casp3↑,
Ca+2↑, activating the caspase-3 and Ca2+ dependent endonuclease, and activating the caspase-8/caspase-3 dependent pathway via ERK1/2.
Casp8↑,
TumCCA↑, FIS controls the cell cycle and inhibits cyclin-dependent kinases (CDKs) in human cancer cell lines,
CDK1↓,
PI3K↓, by inhibition of PI3K/Akt/mTOR signaling [20], mitogen-activated protein kinases (MAPK) [21], and nuclear transcription factor (NF-κB)
Akt↓,
mTOR↓,
MAPK↓,
*P53↓, FIS inhibits aging by reducing p53, p21 and p16 expression in mouse and human tissues
*P21↓,
*p16↓,
mTORC1↓, FIS induces autophagic cell death by inhibiting both the mTORC1 and mTORC2 pathways
mTORC2↓,
P53↑, FIS significantly increases the expression of p53 and p21 proteins and lowers the levels of cyclin D1 [27,28], cyclin A, CDK4 and CDK2, thus contributing to cell-cycle arrest.
P21↑,
cycD1/CCND1↓,
cycA1/CCNA1↓,
CDK2↓,
CDK4↓,
BAX↑, FIS also increases Bax [27,28] and Bak [27] protein expression, but reduces the levels of Bcl-2 [27,28], Bcl-xL [27] and PCNA [28], and then starts the mitochondrial apoptotic pathway.
Bcl-2↓,
PCNA↓,
HER2/EBBR2↓, FIS reduces HER2 tyrosine phosphorylation in a dose-dependent manner and aids in proteasomal degradation of HER2 rather than lysosomal degradation
Cyt‑c↑, FIS cells causes destabilization of the mitochondrial membrane and an increase in cytochrome c levels, which is consistent with the loss of mitochondrial membrane integrity.
MMP↓,
cl‑Casp9↑,
MMP2↓, FIS reduces the enzymatic activity of both MMP-2 and MMP-9.
MMP9↓,
cl‑PARP↑, cell membrane, mitochondrial depolarization, activation of caspase-7, -8 and -9, and cleavage of PARP
uPA↓, interestingly, the promoter activity of the uPA gene is suppressed by FIS
DR4↑, induces upregulation of DR4 and DR5 death receptor expression in a dose-dependent manner
DR5↑,
ROS↓, FIS induces an increase in intracellular Ca2+ but reduces the production of ROS in WEHI-3 cells (myelomonocytic leukemia)
AIF↑, It also increases the levels of caspase-3 and AIF mRNA, but also increases necrosis markers including RIP3 and PARP1
CDC25↓, FIS reduces the expression of cdc25a, but increases the expression of p-p53, Chk1, p21 and p27, which may lead to a G0/G1 arrest.
Dose↑, FIS in concentrations from 0 to 10 μM does not affect cell viability; however, its use at concentrations of 20–40 μM significantly reduces the viability of lung cancer cells
CHOP/DDIT3↑, CaKi : FIS induces upregulation of CHOP expression and ROS production
ROS↑, NCI-H460 :FIS increases the ER stress signaling FIS increases the level of mitochondrial ROS FIS induces mitochondrial Ca2+ overloading and ER stress FIS induced ER stress-mediated cell death via activation of the MAPK pathway
cMyc↓, FIS influences proliferation related genes such as cyclin D1, c-myc and cyclooxygenase (COX)-2 by downregulating them.
cardioP↑, cardioprotective activity

2827-

FIS,

The Potential Role of Fisetin, a Flavonoid in Cancer Prevention and Treatment

Review,

Var,

*antiOx↑, effective antioxidant, anti-inflammatory
*Inflam↓,
neuroP↑, neuro-protective, anti-diabetic, hepato-protective and reno-protective potential.
hepatoP↑,
RenoP↑,
cycD1/CCND1↓, Figure 3
TumCCA↑,
MMPs↓,
VEGF↓,
MAPK↓,
NF-kB↓,
angioG↓,
Beclin-1↑,
LC3s↑,
ATG5↑,
Bcl-2↓,
BAX↑,
Casp↑,
TNF-α↓,
Half-Life↓, Fisetin was given at an effective dosage of 223 mg/kilogram intraperitoneally in mice. The plasma concentration declined biophysically, with a rapid half-life of 0.09 h and a terminal half-life of 3.1 h,
MMP↓, Fisetin powerfully improved apoptotic cells and caused the depolarization of the mitochondrial membrane.
mt-ROS↑, Fisetin played a role in the induction of apoptosis, independently of p53, and increased mitochondrial ROS generation.
cl‑PARP↑, fisetin-induced sub-G1 population as well as PARP cleavage.
CDK2↓, Moreover, the activities of cyclin-dependent kinases (CDK) 2 as well as CDK4 were decreased by fisetin and also inhibited CDK4 activity in a cell-free system, demonstrating that it might directly inhibit the activity of CDK4
CDK4↓,
Cyt‑c↑, Moreover, release of cytochrome c and Smac/Diablo was induced by fisetin
Diablo↑,
DR5↑, Fisetin caused an increase in the protein levels of cleaved caspase-8, DR5, Fas ligand, and TNF-related apoptosis-inducing ligand
Fas↑,
PCNA↓, Fisetin decreased proliferation-related proteins such as PCNA, Ki67 and phosphorylated histone H3 (p-H3) and decreased the expression of cell growth
Ki-67↓,
p‑H3↓,
chemoP↑, Paclitaxel treatment only showed more toxicity to normal cells than the combination of flavonoids with paclitaxel, suggesting that fisetin might bring some safety against paclitaxel-facilitated cytotoxicity.
Ca+2↑, Fisetin encouraged apoptotic cell death via increased ROS and Ca2+, while it increased caspase-8, -9 and -3 activities and reduced the mitochondrial membrane potential in HSC3 cells.
Dose↝, After fisetin treatment at 40 µM, invasion was reduced by 87.2% and 92.4%, whereas after fisetin treatment at 20 µM, invasion was decreased by 52.4% and 59.4% in SiHa and CaSki cells, respectively
CDC25↓, This study proposes that fisetin caused the arrest of the G2/M cell cycle via deactivating Cdc25c as well Cdc2 via the activation of Chk1, 2 and ATM
CDC2↓,
CHK1↑,
Chk2↑,
ATM↑,
PCK1↓, fisetin decreases the levels of SOS-1, pEGFR, GRB2, PKC, Ras, p-p-38, p-ERK1/2, p-JNK, VEGF, FAK, PI3K, RhoA, p-AKT, uPA, NF-ĸB, MMP-7,-9 and -13, whereas it increases GSK3β as well as E-cadherin in U-2 OS
RAS↓,
p‑p38↓,
Rho↓,
uPA↓,
MMP7↓,
MMP13↓,
GSK‐3β↑,
E-cadherin↑,
survivin↓, whereas those of survivin and BCL-2 were reduced in T98G cells
VEGFR2/KDR/Flk1↓, Fisetin inhibited the VEGFR expression in Y79 cells as well as the angiogenesis of a tumor.
IAP2/BIRC3↓, The downregulation of cIAP-2 by fisetin
STAT3↓, fisetin induced apoptosis in TPC-1 cells via the initiation of oxidative damage and enhanced caspases expression by downregulating STAT3 and JAK 1 signaling
JAK1↓,
mTORC1↓, Fisetin acts as a dual inhibitor of mTORC1/2 signaling,
mTORC2↓,
NRF2↑, Moreover, In JC cells, the Nrf2 expression was gradually increased by fisetin from 8 h to 24 h

2825-

FIS,

Exploring the molecular targets of dietary flavonoid fisetin in cancer

Review,

Var,

*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.

2857-

FIS,

A review on the chemotherapeutic potential of fisetin: In vitro evidences

Review,

Var,

COX2/PTGS2↓, fisetin altered the expression of cyclooxygenase 2 (COX2) thereby suppressed the secretion of prostaglandin E2 ultimately resulting in the inhibition of epidermal growth factor receptor (EGFR) and NF-ÎºB in human colon cancer cells HT29
PGE2↓,
EGFR↓,
Wnt↓, fisetin treatment inhibited the stimulation of Wnt signaling pathway via downregulating the expression of Î²-catenin and Tcell factor (TCF) 4
β-catenin/ZEB1↓,
TCF↑,
Apoptosis↑, fisetin triggers apoptosis in U266 cells through multiple pathways: enhancing the activation of caspase-3 and PARP cleavage, decreasing the expression of anti-apoptotic proteins (Bcl-2 and Mcl-1 L ),
Casp3↑,
cl‑PARP↑,
Bcl-2↓,
Mcl-1↓,
BAX↑, ncreasing the expression of pro-apoptotic proteins (Bax, Bim, and Bad)
BIM↑,
BAD↑,
Akt↓, decreasing the phosphorylation of AKT and mTOR and elevating the expression of acetyl CoA carboxylase (ACC
mTOR↓,
ACC↑,
Cyt‑c↑, release the cytochrome c and Smac/Diablo into the cytosol
Diablo↑,
cl‑Casp8↑, fisetin exhibited an increased level of cleaved caspase-8, Fas/Fas ligand, death receptor 5/TRAIL, and p53 levels in HCT-116 cells
Fas↑,
DR5↑,
TRAIL↑,
Securin↓, Securin gets degraded on exposure to fisetin in colon cancer cells.
CDC2↓, fisetin decreased the expression of cell division cycle proteins (CDC2 and CDC25C)
CDC25↓,
HSP70/HSPA5↓, Fisetin induced apoptosis as a result of the downregulation of HSP70 and BAG3 and the inhibition of Bcl-2, Bcl-x L and Mcl-1. T
CDK2↓, AGS 0, 25, 50, 75 μM – 24 and 48 h ↓CDK2, ↓CDK4, ↓cyclin D1, ↑casapse-3 cleavage
CDK4↓,
cycD1/CCND1↓,
MMP2↓, A549 0, 1, 5, 10 μM- 24 and 48 hr: ↓MMP-2, ↓u-PA, ↓NF- κB, ↓c-Fos, ↓c-Jun
uPA↓,
NF-kB↓,
cFos↓,
cJun↓,
MEK↓, ↓ MEK1/2 and ERK1/2 phosphorylation, ↓N-cadherin, ↓vimentin, ↓snail, ↓fibronectin, ↑E-cadherin, ↑desmoglein
p‑ERK↓,
N-cadherin↓,
Vim↓,
Snail↓,
Fibronectin↓,
E-cadherin↓,
NF-kB↑, increased expression of NF-κB p65 leading to apoptosis was due to ROS generation on exposure to fisetin
ROS↑,
DNAdam↑, increased ROS triggered cell death through PARP cleavage, DNA damage and mitochondrial membrane depolarization.
MMP↓,
CHOP/DDIT3↑, Though fisetin upregulated CHOP expression and increased the production of ROS, these events fail to induce apoptosis in Caki cells.
eff↑, 50 μM fisetin + 1 mM melatonin Sk-mel-28 Enhances anti-tumour activity [54] 20 μM fisetin + 1 mM melatonin MeWo Enhances anti-tumour activity [54] 10 μM fisetin + 0.1 μM melatonin A549 Induces autophagic cell death
ChemoSen↑, 20 μM fisetin + 5 μM sorafenib A375, SK-MEL-28 Suppresses invasion and metastasis [44] 40 μM fisetin + 10 μM cisplatin A549, A549-CR Enhances apoptosis

2852-

FIS,

A comprehensive view on the fisetin impact on colorectal cancer in animal models: Focusing on cellular and molecular mechanisms

Review,

CRC,

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,

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

2845-

FIS,

Fisetin: A bioactive phytochemical with potential for cancer prevention and pharmacotherapy

Review,

Var,

PI3K↓, block multiple signaling pathways such as the phosphatidylinositol-3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/Akt/mTOR) and p38
Akt↓,
mTOR↓,
p38↓,
*antiOx↑, antioxidant, anti-inflammatory, antiangiogenic, hypolipidemic, neuroprotective, and antitumor effect
*neuroP↑,
Casp3↑, U266 cancer cell line through activation of caspase-3, downregulation of Bcl-2 and Mcl-1L, upregulation of Bax, Bim and Bad
Bcl-2↓,
Mcl-1↓,
BAX↑,
BIM↑,
BAD↑,
AMPK↑, activation of 5'adenosine monophosphate-activated protein kinase (AMPK), acetyl-CoA carboxylase (ACC) and decreased phosphorylation of AKT and mTOR were also observed
ACC↑,
DNAdam↑, DNA fragmentation, mitochondrial membrane depolarizatio
MMP↓,
eff↑, fisetin in combination with a citrus flavanone, hesperetin mediated apoptosis by mitochondrial membrane depolarization and caspase-3 act
ROS↑, NCI-H460 human non-small cell lung cancer line, fisetin generated reactive oxygen species (ROS), endoplasmic reticulum (ER) stress
cl‑PARP↑, fisetin treatment resulted in PARP cleavage
Cyt‑c↑, release of cyt. c
Diablo↑, release of cyt. c and Smac/DIABLO from mitochondria,
P53↑, increased p53 protein levels
p65↓, reduced phospho-p65 and Myc oncogene expression
Myc↓,
HSP70/HSPA5↓, fisetin causes inhibition of proliferation by the modulation of heat shock protein 70 (HSP70), HSP27
HSP27↓,
COX2/PTGS2↓, anti-proliferative effects of fisetin through the activation of apoptosis via inhibition of cyclooxygenase-2 (COX-2) and Wnt/EGFR/NF-κB signaling pathways
Wnt↓,
EGFR↓,
NF-kB↓,
TumCCA↑, The anti-proliferative effects of fisetin and hesperetin were shown to be occurred through S, G2/M, and G0/G1 phase arrest in K562 cell progression
CDK2↓, decrease in levels of cyclin D1, cyclin A, Cdk-4 and Cdk-2
CDK4↓,
cycD1/CCND1↓,
cycA1/CCNA1↓,
P21↑, increase in p21 CIP1/WAF1 levels in HT-29 human colon cancer cell
MMP2↓, fisetin has exhibited tumor inhibitory effects by blocking matrix metalloproteinase-2 (MMP- 2) and MMP-9 at mRNA and protein levels,
MMP9↓,
TumMeta↓, Antimetastasis
MMP1↓, fisetin also inhibited the MMP-14, MMP-1, MMP-3, MMP-7, and MMP-9
MMP3↓,
MMP7↓,
MET↓, promotion of mesenchymal to epithelial transition associated with a decrease in mesenchymal markers i.e. N-cadherin, vimentin, snail and fibronectin and an increase in epithelial markers i.e. E-cadherin
N-cadherin↓,
Vim↓,
Snail↓,
Fibronectin↓,
E-cadherin↑,
uPA↓, fisetin suppressed the expression and activity of urokinase plasminogen activator (uPA)
ChemoSen↑, combination treatment of fisetin and sorafenib reduced the migration and invasion of BRAF-mutated melanoma cells both in in-vitro
EMT↓, inhibited epithelial to mesenchymal transition (EMT) as observed by a decrease in N-cadherin, vimentin and fibronectin and an increase in E-cadherin
Twist↓, inhibited expression of Snail1, Twist1, Slug, ZEB1 and MMP-2 and MMP-9
Zeb1↓,
cFos↓, significant decrease in NF-κB, c-Fos, and c-Jun levels
cJun↓,
EGF↓, Fisetin inhibited epidermal growth factor (EGF)
angioG↓, Antiangiogenesis
VEGF↓, decreased expression of endothelial nitric oxide synthase (eNOS) and VEGF, EGFR, COX-2
eNOS↓,
*NRF2↑, significantly increased nuclear translocation of Nrf2 and antioxidant response element (ARE) luciferase activity, leading to upregulation of HO-1 expression
HO-1↑,
NRF2↓, Fisetin also triggered the suppression of Nrf2
GSTs↓, declined placental type glutathione S-transferase (GST-p) level in the liver of the fisetin- treated rats with hepatocellular carcinoma (HCC)
ATF4↓, Fisetin also rapidly increased the levels of both Nrf2 and ATF4

2843-

FIS,

Fisetin and Quercetin: Promising Flavonoids with Chemopreventive Potential

Review,

Var,

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 16 of 16

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 16

Pathway results for Effect on Cancer / Diseased Cells:

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress(tgid=1) ⓘ

antiOx↓, 1, antiOx↑, 4, GSH↑, 2, HO-1↑, 2, lipid-P↓, 1, NRF2↑, 3, ROS↓, 1,

Core Metabolism/Glycolysis(tgid=4) ⓘ

p‑cMyc↑, 1,

DNA Damage & Repair(tgid=10) ⓘ

p16↓, 1, P53↓, 1,

Cell Cycle & Senescence(tgid=11) ⓘ

P21↓, 1,

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

ERK↑, 1,

Migration(tgid=13) ⓘ

5LO↓, 1,

Immune & Inflammatory Signaling(tgid=16) ⓘ

Inflam↓, 4, NF-kB↓, 1,

Functional Outcomes(tgid=23) ⓘ

memory↑, 1, neuroP↑, 2,
Total Targets: 17

Scientific Paper Hit Count for: CDK2, Cyclin-dependent kinase 2

16 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

Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:78  Target#:467  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

Fisetin / CDK2 Cancer Research Results

Fisetin Mechanistic Ranking

Fisetin in Alzheimer’s Disease

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress(tgid=1) ⓘ

Mitochondria & Bioenergetics(tgid=3) ⓘ

Core Metabolism/Glycolysis(tgid=4) ⓘ

Cell Death(tgid=5) ⓘ

Kinase & Signal Transduction(tgid=6) ⓘ

Transcription & Epigenetics(tgid=7) ⓘ

Protein Folding & ER Stress(tgid=8) ⓘ

Autophagy & Lysosomes(tgid=9) ⓘ

DNA Damage & Repair(tgid=10) ⓘ

Cell Cycle & Senescence(tgid=11) ⓘ

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

Migration(tgid=13) ⓘ

Angiogenesis & Vasculature(tgid=14) ⓘ

Barriers & Transport(tgid=15) ⓘ

Immune & Inflammatory Signaling(tgid=16) ⓘ

Hormonal & Nuclear Receptors(tgid=20) ⓘ

Drug Metabolism & Resistance(tgid=21) ⓘ

Clinical Biomarkers(tgid=22) ⓘ

Functional Outcomes(tgid=23) ⓘ

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress(tgid=1) ⓘ

Core Metabolism/Glycolysis(tgid=4) ⓘ

DNA Damage & Repair(tgid=10) ⓘ

Cell Cycle & Senescence(tgid=11) ⓘ

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

Migration(tgid=13) ⓘ

Immune & Inflammatory Signaling(tgid=16) ⓘ

Functional Outcomes(tgid=23) ⓘ

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