sappanchalcone

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sappanchalcone

sappanchalcone

Cat.No.ABP000973 Chemical Namesappanchalcone CAS94344-54-4 MDL: MFCD20274974 MolFormulaC16H14O5 MolWeight286.282 Purity >98%

Chemical Name : sappanchalcone

CAS : 94344-54-4

Synonyms: 2-Propen-1-one,3-(3,4-dihydroxyphenyl)-1-(4-hydroxy-2-methoxyphenyl)-, (2E)-

Solubility:Soluble in DMSO: >20 mg/mL

Storage:Store at room temperature

Biologieal

Fadrozole is a nonsteroidal aromatase inhibitor. Fadrozole is a very potent and highly selective inhibitor of the aromatase enzyme system in vitro and estrogen biosynthesis in vivo. It inhibited the conversion of [4-14C]androstenedione to [4-14C]estrone by human placental microsomes in a competitive manner (Ki = 1.6 nM). At a substrate concentration 3-fold the Km, Fadrozole was 180 times more potent, as an inhibitor, than aminoglutethimide (Cat. No. A9657), exhibiting half-maximal inhibition at 1.7 nM as compared to 0.3 μM. In vivo, Fadrozole lowered ovarian estrogen synthesis by gonadotropin-primed, androstenedione treated, immature rats by 90% at a dose of 260 μg/kg (PO). In vivo, Fadrozole leads to sequelae of estrogen deprivation (e.g. regression of DMBA-induced mammary tumors) without causing adrenal hypertrophy in adult rats. It blocked aromatase by 50% in human breast cancer homogenates, live breast cancer cells, human placental microsomes, and porcine ovarian microsomes at concentrations of 0.008 to 0.02 μM.

Reference

Van Meeuwen, J., et al., Aromatase inhibition by synthetic lactones and flavonoids in human placental microsomes and breast fibroblasts--a comparative study. Toxicol. Appl. Pharmacol. 228, 269-276, (2008) Minnaard-Huiban, M., et al., Fadrozole reverses cardiac fibrosis in spontaneously hypertensive heart failure rats: discordant enantioselectivity versus reduction of plasma aldosterone. Endocrinology 149, 28-31, (2008) Mikolajczyk, T., et al., The effect of aromatase inhibitor, fadrozole, on sGnRHa stimulated LH secretion in goldfish (Carassius auratus) and common carp (Cyprinus carpio). Reprod. Biol. 6, 195-199, (2006) Merck 14,3927
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