P450ALDO in hamster adrenal cortex: Immunofluorescent and immuno-gold electron microscopic studies.

J. G. Lehoux Department of Biochemistry, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

D. Martel Department of Anatomy and Cell Biology, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

J. Lehoux Department of Biochemistry, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

L. Ducharme Department of Biochemistry, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

A. Lefebvre Department of Biochemistry, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

N. Brière Department of Anatomy and Cell Biology, Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada, J1H 5N4

Abstract

The zonal distribution of aldosterone synthase cytochrome P450 (P450ALDO) in the adrenal cortex of male hamsters was investigated by immunofluorescence and electron microscopy, using an anti-P450ALDO peptide antibody. On cryostat sections the immunolocalization of P450ALDO was confined to the zona glomerulosa cells. On semi-thin plastic sections, P450ALDO was shown to be located in mitochondria. Studies in electron microscopy, using the colloidal gold technique, confirmed that P450ALDO was located in mitochondria.

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P450ALDO in hamster adrenal cortex: Immunofluorescent and immuno-gold electron microscopic studies.

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P450ALDO in hamster adrenal cortex: Immunofluorescent and immuno-gold electron microscopic studies.

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