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The Ewha Medical Journal
Ewha Womans University School of Medicine

Ewha Med J 1980; 3(2):63-67

pISSN: 1598-7450

DOI: https://doi.org/10.12771/emj.1980.3.2.63

Original Article

Hepatic Microsomal Cytochrome P450 Levels During Preimplatation in Rats

Y.A. Ham, S.R. Kim, Y.S. Hong, N.E. Sung
Corresponding author: N.E.Sung. Department of Biochemistry, College of Medicine, Ewha Womans University, Korea.

Copyright ⓒ 1980. Ewha Womans University School of Medicine. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Published Online: Jul 24, 2015

Abstract

The levels of hepatic microsomal cytochrome P-450 in preimplantation rats were determined 1) The activities of the hepatic microsomal cytochrome P-450 associated with the events leading to implantation were gradually increased in preimplantation rats. 2) The level of the hepatic microsomal cytochrome P-450 was peak, 2.65 nmoles/mg protein, on day 4 in normal preimplantation rat. 3) The activity of the hepatic microsomal cytochrome P-450 was decreased in ovariectomized rat than normal rat. 4) The hepatic microsomal cytochrome P-450 level in ovariectomized rat was peak, 2.39 nmoles/mg protein, on day 5. 5) We observed the fact thar the activity of microsomal P-450 was delayed in ovariectomized rat. 6) We confirmed the fact that the hepatic microsomal cytochrome P-450 level was affected by steroid hormone.