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6,7-dihydroxy Bergamottin

(Synonyms: 二羟基香柠檬素,6,7-DHB) 目录号 : GC11864

A potent CYP3A4 inhibitor

6,7-dihydroxy Bergamottin Chemical Structure

Cas No.:145414-76-2

规格 价格 库存 购买数量
1mg
¥270.00
现货
5mg
¥1,190.00
现货
10mg
¥2,062.00
现货
25mg
¥4,521.00
现货

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Sample solution is provided at 25 µL, 10mM.

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产品描述

IC50: 25 μM

6,7-dihydroxy Bergamottin, also known as 6,7-DHB, is a potent inhibitor of cytochrome P4503A4 (CYP3A4) with an IC50 value of 25 μM. As a primary compound in grapefruit juice, 6,7-DHB is responsible for the blockade the activity of testosterone 6β-hydrolase.

CYP3A4 is an important enzyme, mainly found in both the intestinal wall and liver, which oxidizes small foreign organic molecules (xenobiotics), such as toxins or drugs.

In vitro: 6,7-DHB significantly blocked the testosterone 6β-hydrolase in human liver microsomes and human CYP3A4 expressed in Escherichia coli membrane in a time- and concentration-dependent manner. Furthermore, 6,7-DHB proved to be a potent NADPH- and time-dependent inhibitor of CYP3A4 [1]. 6,7-DHB concentration-dependently inhibited nifedipine (NFP) oxidation in HepG2-GS-3A4 cell, a cell line from hepatoblastoma with overexpression of human CYP3A4 [2].

In vivo: Male Wistar-ST rats were intraduodenally administered with 6,7-DHB at a dose of 3.4 mg/ml. After 4 hours, 6,7-DHB had no significant effects on the NFP plasma concentrations, suggesting that 6,7-DHB had no pharmacokinetic effect on the rats [3].

References:
[1].  Bellevue, F., Woster, P., Edwards, D., He, K., & Hollenberg, P. Synthesis and biological evaluation of 6′,7′-dihydroxybergamottin (6,7-DHB), a naturally occurring inhibitor of cytochrome P450 3A4. Bioorganic & Medicinal Chemistry Letters. 1997; 7(20): 2593-2598.
[2].  Araki, N., Tsuruoka, S., Hasegawa, G., Yanagihara, H., Omasa, T., & Enosawa, S. et al. Inhibition of CYP3A4 by 6′,7′-dihydroxybergamottin in human CYP3A4 over-expressed hepG2 cells. Journal of Pharmacy and Pharmacology. 2012; 64(12): 1715-1721.
[3].  Mohri, K., & Uesawa, Y. Effects of Furanocoumarin Derivatives in Grapefruit Juice on Nifedipine Pharmacokinetics in Rats. Pharmaceutical Research, 2001;18(2):177-182.

Chemical Properties

Cas No. 145414-76-2 SDF
别名 二羟基香柠檬素,6,7-DHB
化学名 4-[[(2E)-6,7-dihydroxy-3,7-dimethyl-2-octenyl]oxy]-7H-fuoro[3,2-g][1]benzopyran-7-one
Canonical SMILES O=C1C=CC2=C(OC/C=C(C)/CCC(O)C(C)(O)C)C3=C(OC=C3)C=C2O1
分子式 C21H24O6 分子量 372.4
溶解度 ≤10mg/ml in ethanol;30mg/ml in DMSO;30mg/ml in dimethyl formamide 储存条件 Store at -20°C
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1 mg 5 mg 10 mg
1 mM 2.6853 mL 13.4264 mL 26.8528 mL
5 mM 0.5371 mL 2.6853 mL 5.3706 mL
10 mM 0.2685 mL 1.3426 mL 2.6853 mL
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