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Immunohistochemical localization of kallikrein within the prolactin-producing cells of the rat anterior pituitary gland

Immunohistochemical localization of kallikrein within the prolactin-producing cells of the rat... ABSTRACTThe localization of tissue kallikrein in the pituitary gland of rats was investigated by an immunohistochemical technique using antiserum against rat urinary kallikrein. Kallikrein-positive cells were detected in the anterior lobe of the pituitary of both male and female rats, but were not observed in the posterior lobe of the pituitary in either sex.The kallikrein-positive cells in the anterior pituitary of female rats in oestrus were found to correspond to the prolactin-producing cells, whereas the cells producing GH, LH and ACTH were negative for kallikrein. It is possible, therefore, that the tissue kallikrein may be involved in the production of prolactin and not that of the other anterior pituitary hormones, such as GH, LH, FSH, ACTH and TSH.Journal of Endocrinology (1990) 127, 317–323 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Endocrinology Bioscientifica

Immunohistochemical localization of kallikrein within the prolactin-producing cells of the rat anterior pituitary gland

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Publisher
Bioscientifica
Copyright
Copyright © 1990 The Authors. All Rights Reserved.
ISSN
0022-0795
eISSN
1479-6805
DOI
10.1677/joe.0.1270317
Publisher site
See Article on Publisher Site

Abstract

ABSTRACTThe localization of tissue kallikrein in the pituitary gland of rats was investigated by an immunohistochemical technique using antiserum against rat urinary kallikrein. Kallikrein-positive cells were detected in the anterior lobe of the pituitary of both male and female rats, but were not observed in the posterior lobe of the pituitary in either sex.The kallikrein-positive cells in the anterior pituitary of female rats in oestrus were found to correspond to the prolactin-producing cells, whereas the cells producing GH, LH and ACTH were negative for kallikrein. It is possible, therefore, that the tissue kallikrein may be involved in the production of prolactin and not that of the other anterior pituitary hormones, such as GH, LH, FSH, ACTH and TSH.Journal of Endocrinology (1990) 127, 317–323

Journal

Journal of EndocrinologyBioscientifica

Published: Nov 1, 1990

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