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3 protocols using cyp1a1

1

Characterization of Recombinant and Microsomal CYPs

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Thirteen recombinant human CYP (rhCYP) isoforms, including CYP1A1, CYP1B1, CYP1A2, CYP3A4, CYP3A5, CYP2C8, CYP2B6, CYP2C9, CYP2D6, CYP2A6, CYP2C19, CYP2E1 and CYP4F2, were purchased from Corning Life Sciences (Corning, MA). Mixed liver microsomes from beagle dogs (DLMs), rats (RLMs), mini pigs (PLMs), monkeys (MLMs), mice (MIMs), rabbits (RAMs) and humans (HLMs) were obtained from the Research Institute for Liver Disease Co., Ltd. (Shanghai, China). All the liver microsomes and rhCYP were stored at −80 °C until use.
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2

In Vitro Metabolism Evaluation

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Bavachinin (purity over 98.0%) was purchased from Shanghai Winherb Medical Technology Co., Ltd (Shanghai, China). Magnesium chloride (MgCl2), alamethicin, d-saccharic-1, 4-lactone monohydrate, uridine 5′-diphosphoglucuronic acid (UDPGA) and nicotinamide adenine dinucleotide phosphate (NADPH) were all obtained from Sigma-Aldrich (St. Louis, MO, USA). Bupropion, β-estradiol, chlorzoxazone, hydroxy-bupropion, 4-hydroxymephenytoin, 4-hydroxytolbutamide, mephenytoin, 6α-hydroxy-paclitaxel, 6-hydroxychlorzoxazone, nifedipine, oxidized nifedipine, paclitaxel, paracetamol, phenacetin, propofol, tolbutamide, and zidovudine were obtained from Aladdin Chemicals (Shanghai, China). β-Estradiol-3-O-glucuronide, propofol-O-glucuronide and zidovudine-N-glucuronide were purchased from Toronto Research Chemicals (North York, ON, Canada).
Pooled human liver microsomes (HLM, 50 donors), pooled human intestine microsomes (HIM, 20 donors), rats' liver microsomes (RLM), mice liver microsomes (MLM), dog's liver microsomes (DLM), mini-pig liver microsomes (MpLM), human CYP isozymes (CYP1A1, 1A2, 1B1, 2A6, 2B6, 2C8, 2C9, 2C19, 2D6, 2E1, 3A4, 3A5), and human UGT isoforms (UGT1A1, 1A3, 1A4, 1A6, 1A7, 1A8, 1A9, 2B4, 2B7, 2B10, 2B15, 2B17) were all provided from Corning Biosciences (Corning, NY, USA). All other chemicals and reagents were used as received.
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3

Corylifol A Metabolism Assay

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Corylifol A (purity >98%) was purchased from Shanghai Winherb Medical Technology Co., Ltd (Shanghai, China). Pooled human liver microsomes (HLM), nine individual human liver microsomes (iHLM), mice liver microsomes (MLM), monkeys liver microsomes (MkLM), rabbits liver microsomes (RaLM), rats liver microsomes (RLM), dogs liver microsomes (DLM), twelve recombinant human UGT isoforms (UGT1A1, 1A3, 1A4, 1A6, 1A7, 1A8, 1A9, 2B4, 2B7, 2B10, 2B15 and 2B17) and twelve expressed human CYP enzymes (CYP1A1, 1A2, 1B1, 2A6, 2B6, 2C8, 2C9, 2C19, 2D6, 2E1, 3A4 and 3A5) were all obtained from Corning Biosciences (Corning, NY, USA). The anti-BCRP (TA322704), anti-MRP1 (TA309559), anti-MRP3 (TA314800) and anti-MRP4 (TA327332) antibodies were purchased from OriGene Technologies (Rockville, MD). UDPGA, NADPH, MgCl2, alamethicin and D-saccharic-1, 4-lactone, dipyridamole (DIPY) and MK571 were all provided from Sigma-Aldrich (St Louis, MO, USA). Paclitaxel, 6-hydroxy-paclitaxel, β-estradiol and propofol were supplied from Aladdin Chemicals (Shanghai, China). Propofol-O-glucuronide and β-estradiol-3-O-glucuronide were obtained from Toronto Research Chemicals (Ontario, Canada). Besides, other chemicals and solvents were of analytical grade or better.
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