Comparison of mouse and human cytochrome P450 mediated-drug metabolising activities in hepatic and extrahepatic microsomes
Despite the importance of mice as a preclinical species in drug testing, their hepatic and extrahepatic drug-metabolising characteristics are poorly understood. Here, we compared the P450-dependent drug oxidation activity in tissue microsomes and distribution patterns of P450 protein/mRNA between humans and mice.The activities of midazolam 1'-/4-hydroxylation in the liver and intestine and chlorzoxazone 6-hydroxylation in the liver were similar in humans and mice. The activities of coumarin 7-hydroxylation, flurbiprofen 4'-hydroxylation, and S-mephenytoin 4'-hydroxylation in the liver were higher in humans than in mice. The activities of 7-ethoxyresorufin O-deethylation in the liver, 7-pentoxyresorufin O-depentylation in the lung/liver/intestine, bufuralol 1'-hydroxylation in the liver/intestine, propafenone 4'-hydroxylation in liver/intestine, and diazepam N-demethylation in the liver/intestine were higher in mice than in humans.CYP1A2/2E1 mRNAs were mainly expressed in the livers of humans and mice. Cyp2b9/2b10 mRNAs were abundant in the mouse lung/liver/intestine, but CYP2B6 was mainly expressed in the human liver. CYP2C/2D/3A mRNAs were expressed in the liver and intestine, with the respective proteins detected in tissue microsomes of both humans and mice.These information on P450-dependent drug-metabolising characteristics in hepatic and extrahepatic tissues is useful to understand the similarities and differences between humans and mice in drug metabolism.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:52 |
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| Enthalten in: |
Xenobiotica; the fate of foreign compounds in biological systems - 52(2022), 3 vom: 13. März, Seite 229-239 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Uehara, Shotaro [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 02.06.2022 Date Revised 06.06.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/00498254.2022.2066581 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM339456469 |
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| 520 | |a Despite the importance of mice as a preclinical species in drug testing, their hepatic and extrahepatic drug-metabolising characteristics are poorly understood. Here, we compared the P450-dependent drug oxidation activity in tissue microsomes and distribution patterns of P450 protein/mRNA between humans and mice.The activities of midazolam 1'-/4-hydroxylation in the liver and intestine and chlorzoxazone 6-hydroxylation in the liver were similar in humans and mice. The activities of coumarin 7-hydroxylation, flurbiprofen 4'-hydroxylation, and S-mephenytoin 4'-hydroxylation in the liver were higher in humans than in mice. The activities of 7-ethoxyresorufin O-deethylation in the liver, 7-pentoxyresorufin O-depentylation in the lung/liver/intestine, bufuralol 1'-hydroxylation in the liver/intestine, propafenone 4'-hydroxylation in liver/intestine, and diazepam N-demethylation in the liver/intestine were higher in mice than in humans.CYP1A2/2E1 mRNAs were mainly expressed in the livers of humans and mice. Cyp2b9/2b10 mRNAs were abundant in the mouse lung/liver/intestine, but CYP2B6 was mainly expressed in the human liver. CYP2C/2D/3A mRNAs were expressed in the liver and intestine, with the respective proteins detected in tissue microsomes of both humans and mice.These information on P450-dependent drug-metabolising characteristics in hepatic and extrahepatic tissues is useful to understand the similarities and differences between humans and mice in drug metabolism | ||
| 650 | 4 | |a Comparative Study | |
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Yoneda, Nao |e verfasserin |4 aut | |
| 700 | 1 | |a Yamazaki, Hiroshi |e verfasserin |4 aut | |
| 700 | 1 | |a Suemizu, Hiroshi |e verfasserin |4 aut | |
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