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Estrogen modulation of riboflavin carrier protein in the bonnet monkey (Macaca radiata)

Visweswariah, Sandhya S and Adiga, Radhakantha P (1988) Estrogen modulation of riboflavin carrier protein in the bonnet monkey (Macaca radiata). In: Journal of Steroid Biochemistry, 31 (1). pp. 91-96.

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Official URL: http://dx.doi.org/10.1016/0022-4731(88)90210-5


Circulatory concentrations of riboflavin carrier protein (RCP) were quantitated in bonnet macaques by employing a heterologous radioimmunoassay involving 125I-labelled chicken RCP and its antiserum. The levels of monkey RCP in the serum seem to be governed by the estrogenic status of the animals. An increase in concentration of serum estradiol in the adult females during the menstrual cycle and early pregnancy could be correlated with enhanced serum RCP levels. Estadiol-17β administered to both immature female and male monkeys, specifically brought about elevated levels of RCP with a slower time course of response in males than in females. These results could be a reflection of a more rapid decline of both circulatory estrogen and RCP concentrations in male serum. Repeated administration of estradiol-17β to male animals led to prolonged elevated levels of RCP following estrogen administration. Thus, it would appear that the evolutionary conservation of RCPs from the aves to the primates encompasses not only their physicochemical similarities but also extends to the estrogenic modulation of their elaboration.

Item Type: Journal Article
Publication: Journal of Steroid Biochemistry
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 11 Aug 2009 08:36
Last Modified: 01 Mar 2012 07:17
URI: http://eprints.iisc.ac.in/id/eprint/21937

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