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Effect of Active and Passive Immunization of Male and Female Rats with a Recombinantly Expressed Bonnet Monkey Pituitary GnRH Receptor Fragment

Santra, Sumana and Rao, Jagannadha A (2002) Effect of Active and Passive Immunization of Male and Female Rats with a Recombinantly Expressed Bonnet Monkey Pituitary GnRH Receptor Fragment. In: American Journal of Reproductive Immunology, 48 (2). pp. 117-125.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1034/j.1600-...

Abstract

Gonadotropin releasing hormone (GnRH) exerts its action by binding to the specific receptor which belongs to the family of G-protein coupled receptors that are characterized by the presence of seven transmembrane domains linked together by extracellular and intracellular loops. A fragment of the pituitary receptor of the bonnet monkey (Macaca radiata) corresponding to amino acids 164-266 was cloned and expressed in Escherichia coli. This was used to raise antibodies to the receptor in rabbits. Active and passive immunization studies in both male and female rats were carried out using, both the overexpressed fragment, as well as antibodies raised to the receptor fragment. Both active, as well as passive immunization in the male rats brought about an agonistic effect in terms of increase in serum LH level, as well as increase in serum and testicular testosterone levels. However, in the female rats, active immunization with the receptor fragment did not have any effect on the gona a steroid levels but had a selective effect on the uterine morphology.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to John Wiley and Sons.
Keywords: Agonist;antibodies;GnRH receptor fragment;testosterone
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 27 Sep 2004
Last Modified: 16 Jan 2012 05:20
URI: http://eprints.iisc.ernet.in/id/eprint/2005

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