Fisetin / RadioS 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
RadioS, RadioSensitizer: Click to Expand ⟱
Source:
Type:
A radiosensitizer is an agent that makes cancer cells more sensitive to the damaging effects of radiation therapy. By using a radiosensitizer, clinicians aim to enhance the effectiveness of radiation treatment by either increasing the damage incurred by tumor cells or by interfering with the cancer cells’ repair mechanisms. This can potentially allow for lower doses of radiation, reduced side effects, or improved treatment outcomes.
Pathways that help Radiosensitivity: downregulating HIF-1α, increase SIRT1, Txr

List of Natural Products with radiosensitizing properties:
-Curcumin:modulate NF-κB, STAT3 and has been shown in preclinical studies to enhance the effects of radiation by inhibiting cell survival pathways.
-Resveratrol:
-EGCG:
-Quercetin:
-Genistein:
-Parthenolide:

How radiosensitizers inhibit the thioredoxin (Trx) system in cellular contexts. Notable radiosensitizers, including:
-gold nanoparticles (GNPs),
-gold triethylphosphine cyanide ([Au(SCN) (PEt3)]),
-auranofin, ceria nanoparticles (CONPs),
-curcumin and its derivatives,
-piperlongamide,
-indolequinone derivatives,
-micheliolide,
-motexafin gadolinium, and
-ethane selenide selenidazole derivatives (SeDs)
Scientific Papers found: Click to Expand⟱
6906- FIS,  Rad,    Combining fisetin and ionizing radiation suppresses the growth of mammalian colorectal cancers in xenograft tumor models
- in-vivo, CRC, CT26 - in-vivo, CRC, HCT116
antiOx↑, activities in human cancer cells, including antioxidant, anti-inflammatory, antiangiogenic, anti-invasive and antiproliferative effects.
Inflam↓,
angioG↓,
TumCI↓,
TumCP↓,
TumCG↓, intratumoral injection of fisetin significantly suppressed the growth of CT-26 tumors compared with the untreated control group, but had little effect on the growth of HCT116 tumors.
RadioS↑, However, fisetin in combination with 2-Gy radiation enhanced tumor suppressor activity in murine colon and human colorectal xenograft tumors, as compared with 2-Gy fractionated radiation administered alone for 5 days and fisetin alone.

6905- FIS,    Fisetin overcomes non-targetability of mutated KRAS induced YB-1 signaling in colorectal cancer cells and improves radiosensitivity by blocking repair of radiation-induced DNA double-strand breaks
- in-vitro, CRC, NA
RadioS↑, Combination of fisetin with radiotherapy may improve CRC radiation response, regardless of KRASmut status.

6897- FIS,    Fisetin: A Dietary Antioxidant for Health Promotion
- Review, Nor, NA
*chemoPv↑, Fisetin has been reported as a chemopreventive/chemotherapeutic agent in several types of cancer and also as a neuroprotective agent.
*neuroP↑,
*antiOx↑, Several studies indicate that fisetin is a promising novel antioxidant. The trolox-equivalent activity concentration (TEAC) value of fisetin has been reported to be 2.80±0.06 (
*GSH↑, Fisetin has been shown to increase intracellular glutathione (GSH) levels in the mouse hippocampal HT-22 cells both in the presence and absence of glutamate
*HO-1↑, the effect of fisetin on the upregulation of heme oxygenase-1 (HO-1)
*NRF2↑, Treatment with fisetin caused increased Nrf2 nuclear translocation and activity.
angioG↓, fisetin may reduce angiogenesis and consequently suppress tumor growth through inhibition of urokinase plasminogen activator (uPA)
TumCG↓,
uPA↓,
MMP1↓, fisetin to be a potent inhibitor of the matrix metalloproteinase (MMP)-1 activity
tumCV↓, Lung Decreased cancer cell viability and clonogenecity, increased PTEN, decreased PI3-K and Akt phosphorylation, activated TSC and AMPK, decreased phosphorylation and activation of mTOR,
PTEN↑,
PI3K↓, Fisetin also acts as a dual inhibitor of PI3K/Akt and mTOR signaling in prostate cancer cells
p‑Akt↓,
AMPK↑,
mTOR↓,
EGFR↓, Inhibited EGFR and NF-κB, decreased COX2 and PGE2, inhibited Wnt/β-catenin signaling, downregulated TCF-4, decreased cyclin D1 and MMP-7
NF-kB↓,
COX2/PTGS2↓,
PGE2↓,
Wnt↓,
β-catenin/ZEB1↓,
TCF↓,
cycD1/CCND1↓,
MMP7↓,
RadioS↑, Enhanced radiosensitivity of p53-mutant colon cancer cells, augmented radiation-induced G2/M arrest and apoptosis
PSA↓, Prostate Slowed tumor growth, decreased serum PSA levels
Securin↓, Moreover, fisetin inhibited securin expression regardless of p53 status,
TumCCA↑, accompanied by arrest of cells in the G0/G1 phase of the cell cycle
XIAP↓, fisetin treatment resulted in a decrease in the activity of NF-κB/p65, MMP-9, and X-linked inhibitor of apoptosis (XIAP)
*ERK↑, fisetin was the most effective flavonoid that induced neurite outgrowth by inducing ERK1/2 activation
*p‑CREB↑, Fisetin activated ERK1/2 and induced cAMP-response element-binding protein (CREB) phosphorylation in rat hippocampal slices and enhanced object recognition in mice.
*memory↑,
*GSH↑, It acts as an antioxidant, increases GSH, maintains mitochondrial function in the presence of oxidative stress, has anti-inflammatory activity against microglial cells, and inhibits the activity of 5-lipoxygenase,
*Inflam↓,
*5LO↓,

6910- FIS,    Exploring the therapeutic promise of fisetin: molecular mechanisms and clinical aspects in lung cancer
- in-vitro, Lung, NA
Apoptosis↑, roles include the promotion of apoptosis, inhibition of cell proliferation, migration, and invasion, as well as the regulation of autophagy.
TumCP↓,
TumCMig↓,
TumCI↓,
TumAuto↝,
ChemoSen↑, fisetin improves the effectiveness of conventional treatments as a chemo- and radiosensitizer and minimizes side effects.
RadioS↑,
chemoP↑,
BioAv↓, overall utility of fisetin for clinical use is now somewhat restricted by its poor solubility and short half-life.
Half-Life↓,

2841- FIS,    Fisetin, an Anti-Inflammatory Agent, Overcomes Radioresistance by Activating the PERK-ATF4-CHOP Axis in Liver Cancer
- in-vitro, Nor, RAW264.7 - in-vitro, Liver, HepG2 - in-vitro, Liver, Hep3B - in-vitro, Liver, HUH7
*Inflam↓, fisetin reduced the LPS-induced production of pro-inflammation markers, such as TNF-α, IL-1β, and IL-6, demonstrating the anti-inflammatory effects of fisetin
*TNF-α↓,
*IL1β↓,
*IL6↓,
Apoptosis↓, fisetin induced apoptotic cell death and ER stress through intracellular calcium (Ca2+) release, the PERK-ATF4-CHOP signaling pathway, and induction of GRP78 exosomes.
ER Stress↑,
Ca+2↑,
PERK↑, inducing the GRP78-PERK-ATF4-CHOP pathway in fisetin-treated radioresistant liver cancer cells.
ATF4↑, fisetin treatment of HepG2 and Hep3B cells resulted in the upregulation of ATF4 and CHOP in a time-dependent manner
CHOP/DDIT3↑,
GRP78/BiP↑,
tumCV↓, fisetin decreased the cell viability and increased LDH activity in HepG2, Hep3B, and Huh7 cells in a concentration-dependent manner
LDH↑,
Casp3↑, caspase-3 activity was significantly enhanced
cl‑Casp3↑, fisetin treatment significantly increased the pro-apoptotic markers, including cleaved caspase-3, caspase-8, and caspase-9
cl‑Casp8↑,
cl‑Casp9↑,
p‑eIF2α↑, fisetin treatment increased CHOP, p-eIF2α, ATF4, p-PERK, and GRP78 levels
RadioS↑, Radiation Combined with Fisetin Overcomes Radioresistance

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


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) ⓘ

antiOx↑, 1,   GSTs↝, 1,   lipid-P↓, 1,   NRF2↓, 1,   ROS↓, 3,   ROS↑, 4,  

Mitochondria & Bioenergetics(tgid=3) ⓘ

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

Core Metabolism/Glycolysis(tgid=4) ⓘ

AMPK↑, 3,   LDH↑, 1,  

Cell Death(tgid=5) ⓘ

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

Kinase & Signal Transduction(tgid=6) ⓘ

p70S6↓, 1,   TSC2↑, 1,  

Transcription & Epigenetics(tgid=7) ⓘ

cJun↓, 3,   tumCV↓, 2,  

Protein Folding & ER Stress(tgid=8) ⓘ

CHOP/DDIT3↑, 1,   p‑eIF2α↑, 1,   ER Stress↑, 4,   GRP78/BiP↑, 4,   HSF1↓, 1,   HSP27↓, 1,   HSP70/HSPA5↓, 1,   IRE1↑, 3,   PERK↑, 1,  

Autophagy & Lysosomes(tgid=9) ⓘ

TumAuto↝, 1,  

DNA Damage & Repair(tgid=10) ⓘ

DNAdam↑, 3,   P53↑, 3,   cl‑PARP↑, 2,  

Cell Cycle & Senescence(tgid=11) ⓘ

CDK2↓, 4,   CDK4↓, 4,   cycD1/CCND1↓, 4,   cycE/CCNE↓, 4,   P21↑, 4,   p‑RB1↓, 1,   Securin↓, 1,   TumCCA↑, 5,  

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

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

Migration(tgid=13) ⓘ

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

Angiogenesis & Vasculature(tgid=14) ⓘ

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

Barriers & Transport(tgid=15) ⓘ

P-gp/ABCB1↓, 1,  

Immune & Inflammatory Signaling(tgid=16) ⓘ

COX2/PTGS2↓, 5,   Inflam↓, 2,   NF-kB↓, 5,   PGE2↓, 3,   PSA↓, 1,  

Hormonal & Nuclear Receptors(tgid=20) ⓘ

AR↓, 1,   CDK6↓, 2,  

Drug Metabolism & Resistance(tgid=21) ⓘ

BioAv↓, 1,   ChemoSen↑, 4,   eff↑, 5,   Half-Life↓, 1,   Half-Life↝, 1,   P450↝, 1,   RadioS↑, 9,   selectivity↑, 1,  

Clinical Biomarkers(tgid=22) ⓘ

AR↓, 1,   EGFR↓, 3,   LDH↑, 1,   PSA↓, 1,  

Functional Outcomes(tgid=23) ⓘ

chemoP↑, 1,   Risk↓, 1,  
Total Targets: 123

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress(tgid=1) ⓘ

antiOx↓, 1,   antiOx↑, 1,   GSH↑, 3,   HO-1↑, 2,   NRF2↑, 2,  

Core Metabolism/Glycolysis(tgid=4) ⓘ

p‑cMyc↑, 1,   p‑CREB↑, 1,  

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

ERK↑, 2,  

Migration(tgid=13) ⓘ

5LO↓, 1,  

Immune & Inflammatory Signaling(tgid=16) ⓘ

IL1β↓, 1,   IL6↓, 1,   Inflam↓, 3,   TNF-α↓, 1,  

Clinical Biomarkers(tgid=22) ⓘ

IL6↓, 1,  

Functional Outcomes(tgid=23) ⓘ

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

Scientific Paper Hit Count for: RadioS, RadioSensitizer
9 Fisetin
1 Radiotherapy/Radiation
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#:1107  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

 

Home Page