High Purity 98% Genistein Sophora Japonica Extract CAS 497-30-3 good price & fast delivery

Genistein More Info

Genistein is a naturally occurring isoflavone predominantly found in soy products, recognized for its diverse biological activities, especially its potential anticancer, cardioprotective, and hormone-modulating effects.

Mechanism of Action

Genistein exerts multiple molecular effects, particularly in cancer and cellular regulation:
Estrogenic/Anti-estrogenic Activity: As a phytoestrogen, genistein binds to estrogen receptors (ERα and ERβ), acting as a selective estrogen receptor modulator. It can mimic or block estrogen effects depending on endogenous estrogen levels, which is important in hormone-sensitive tissues.
Anticancer Effects: Genistein induces apoptosis and cell cycle arrest in various cancer cell types by modulating key signaling pathways and molecular targets:
Triggers endoplasmic reticulum (ER) stress by upregulating glucose-regulated protein 78 (GRP78), activating PERK and CHOP to induce apoptosis.
Regulates apoptosis-related proteins, increasing pro-apoptotic Bax, Bad, Bak, and caspase-3, while downregulating anti-apoptotic Bcl-2 and inhibitors of apoptosis proteins (XIAP).
Modulates transcription factors and signaling pathways including NF-κB, PI3K/Akt, MAPK/ERK, Wnt/β-catenin, and PPARγ, leading to inhibition of proliferation, angiogenesis, and metastasis.
Induces cell cycle arrest mainly at G2/M or G0/G1 phases by upregulating cyclin-dependent kinase inhibitors (p21^Waf1/Cip1^) and downregulating cyclins and Cdks.
Epigenetic modulation by reducing DNA methyltransferases (DNMTs) and histone deacetylases (HDACs), restoring tumor suppressor gene expression.
Anti-inflammatory and Antioxidant: Genistein decreases pro-inflammatory cytokines like TNF-α and reduces oxidative stress, contributing to its protective effects in chronic diseases.
Cardiovascular Effects: It improves endothelial function by relaxing arterial walls and may inhibit platelet aggregation and cholesterol deposition.

Applications

Cancer Prevention and Therapy: Genistein has been extensively studied for its potential to reduce risk and progression of breast, prostate, colon, and skin cancers through antiproliferative, pro-apoptotic, and anti-metastatic actions.
Menopausal Symptom Relief: Genistein alleviates hot flashes and improves bone density in postmenopausal women by modulating estrogen receptors.
Cardiovascular Health: May help prevent heart disease by improving vascular function and lipid profiles.
Cognitive Function: Some evidence suggests genistein may benefit memory and cognitive decline in aging and Alzheimer’s disease.
Metabolic Effects: Potential to improve blood sugar control in prediabetes and aid weight management.

Routes of Administration

Oral: The primary route, through dietary intake of soy products or as concentrated supplements in capsules or tablets.
Topical: Occasionally used in skin formulations, though less common.

Pharmacokinetics

Absorption: Genistein is absorbed via the gastrointestinal tract after oral administration, though bioavailability is limited by metabolism and conjugation.
Metabolism: Undergoes extensive phase II metabolism (glucuronidation and sulfation) in the liver and intestines, producing conjugates that circulate systemically.
Distribution: Distributed to various tissues, with affinity for hormone-sensitive organs.
Elimination: Excreted mainly via urine and feces as metabolites.
Half-life: Varies but generally ranges from several hours depending on formulation and individual metabolism.

Safety and Side Effects

General Safety: Genistein is generally well tolerated at dietary levels and moderate supplementation.
Side Effects: May cause mild gastrointestinal symptoms such as nausea or upset stomach. High doses or combined polysaccharide formulations lack comprehensive safety data.
Hormone-sensitive Conditions: Caution advised in individuals with hormone-sensitive cancers (breast, uterine, ovarian) due to estrogenic activity.
Pregnancy and Breastfeeding: Insufficient data; use is generally not recommended.
Drug Interactions: Potential interactions with hormone therapies or anticoagulants; clinical significance is unclear.

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