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| Luteolin a Flavonoid found in celery, parsley, broccoli, onion leaves, carrots, peppers, cabbages, apple skins, and chrysanthemum flowers. -MDR1 expression, MMP-9, IGF-1 and Epithelial to mesenchymal transition. -Note half-life 2–3 hours BioAv low, but could be improved with Res, or blend of castor oil, kolliphor and polyethylene glycol Pathways: - induce ROS production in cancer cell but a few reports of reduction. Always seems to reduce ROS in normal cells. - ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓ - Lowers AntiOxidant defense in Cancer Cells: NRF2↓, SOD↓, GSH↓ Catalase↓ HO1↓ GPx↓ - 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↓, MMP2↓, MMP9↓, TIMP2, IGF-1↓, VEGF↓, FAK↓, RhoA↓, NF-κB↓, CXCR4↓, ERK↓ - reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMT1↓, DNMT3A↓, EZH2↓, P53↑, HSP↓, - cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓, - inhibits Migration/Invasion : TumCMig↓, FAK↓, ERK↓, EMT↓, TOP1↓, TET1↓, - inhibits glycolysis and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, LDHA↓, HK2↓, GRP78↑, - inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, PDGF↓, EGFR↓, Integrins↓, - Others: PI3K↓, AKT↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, TrxR**, - Shown to modulate the nuclear translocation of SREBP-2 (related to cholesterol). - Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, Others(review target notes), Neuroprotective, Renoprotection, Hepatoprotective, CardioProtective, - Selectivity: Cancer Cells vs Normal Cells Luteolin — Cancer vs Normal Cell Effects
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| The cytochrome P450 (CYP) family includes many isoenzymes that play key roles in metabolizing endogenous substances (like hormones) and xenobiotics (including drugs and toxins). Changes in the expression of these enzymes in various cancers can affect carcinogen activation, drug metabolism, and overall tumor biology, influencing both cancer risk and prognosis. CYP1B1 – Frequently overexpressed in several cancers including breast, ovarian, prostate, and colorectal cancers. – Its expression is often low in normal tissues, making it a potential target for selective cancer therapies. 2. CYP3A4 and CYP3A5 These enzymes are highly expressed in the liver, but their expression is also observed in extrahepatic tissues. – In cancer, CYP3A enzymes can be variably expressed; for instance, CYP3A4 may be upregulated in some liver cancers but downregulated in others. 3. CYP2E1 – CYP2E1 is expressed in the liver and extrahepatic tissues. – Elevated CYP2E1 activity can lead to increased production of reactive oxygen species (ROS), contributing to DNA damage and cancer progression. 4. CYP19A1 (Aromatase) – Aromatase converts androgens to estrogens and is expressed in adipose tissue as well as in certain tumors such as breast cancer. – Its local expression in breast tumors can increase estrogen levels, promoting hormone-dependent tumor growth. 5. CYP2C Family (e.g., CYP2C8, CYP2C9, CYP2C19) – These enzymes are involved in metabolizing various drugs and are expressed in the liver and intestines. – Their expression levels can be altered in different tumor types, potentially affecting drug metabolism. CYP450 enzymes are a large family with diverse roles in cancer biology. • Their expression in cancers (e.g., CYP1B1, CYP3A4/5, CYP2E1, CYP19A1) has been linked to both the development and progression of tumors, as well as influencing responses to therapy. |
| 2906- | LT, | Luteolin, a flavonoid with potentials for cancer prevention and therapy |
| - | Review, | Var, | NA |
Query results interpretion may depend on "conditions" listed in the research papers. Such Conditions may include : -low or high Dose -format for product, such as nano of lipid formations -different cell line effects -synergies with other products -if effect was for normal or cancerous cells
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