Venkatesh, R. ; Jagannadha Rao, A. (1995) Effect of administration of luteinizing hormone (LH) and deprival of LH on the proteins of smooth endoplasmic reticulum of immature and adult rat Leydig cells Current Science, 68 (4). pp. 451-456. ISSN 0011-3891
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Abstract
Analysis of proteins of smooth endoplasmic reticulum (SER) of Leydig cells from immature and adult rats by two-dimensional polyacrylamide gel electrophoresis (SDS-PAGE) revealed the presence of several new proteins in the adult rats. Administration of human chorionic gonadotropin to immature rats for ten days also resulted in a significant increase as well as the appearance of several new proteins. The general pattern of SDS-PAGE analysis of the SER proteins of Leydig cells resembled that of the adult rat. SDS-PAGE analysis of the SER proteins of Leydig cells from adult rats following deprivation of endogenous luteinizing hormone by administration of antiserum to ovine luteinizing hormone resulted in a pattern which to certain extent resembled that of an immature rat. Western Blot analysis of luteinizing hormone antiserum treated rat Leydig cell proteins revealed a decrease in the 17-α-hydroxylase compared to the control. These results provide biochemical evidence for the suggestion that one of the main functions of luteinizing hormone is the control of biogenesis and/or turnover SER of Leydig cells in the rat.
Item Type: | Article |
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Source: | Copyright of this article belongs to Current Science Association. |
ID Code: | 88044 |
Deposited On: | 04 Jul 2012 03:37 |
Last Modified: | 19 May 2016 03:06 |
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