Comparative expression profiling of 40 mouse cytochrome P450 genes in embryonic and adult tissues.
This study is the first systematic investigation of the gestational age-dependent and adult tissue-specific expression patterns of each known mouse CYP family (40 genes) using normalized cDNA panels and uniform reverse transcriptase polymerase chain reaction-based assays. Twenty-seven of the P450s were constitutively expressed during development. The number gradually increased through the phases of gastrulation E7 (n=14), neural patterning and somitogenesis E11 (n=17), organogenesis E15 (n=20), and fetal period E17 (n=21). Cyp2s1, Cyp8a1, Cyp20, Cyp21a1, Cyp26a1, Cyp46, and Cyp51 were detected in each of the four stages studied. Members of family CYP1 demonstrated complex, nonoverlapping embryonic patterns of expression, indicating that Cyp1a1 and Cyp1a2 may not compensate for Cyp1b1 deficiency associated with abnormal eye development. Multiple Cyp forms were found to be constitutively expressed in each of the adult tissues studied: liver (n=31), kidney (n=30), testis (n=26), lung (n=24), and heart (n=13). The tissue-specific P450-expression profiles reported in this study provide a reference for more focused analysis of the tissue-specific and developmental functions of the cytochrome P450 monooxygenases.[1]References
- Comparative expression profiling of 40 mouse cytochrome P450 genes in embryonic and adult tissues. Choudhary, D., Jansson, I., Schenkman, J.B., Sarfarazi, M., Stoilov, I. Arch. Biochem. Biophys. (2003) [Pubmed]
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