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Biology of Reproduction, Vol 58, 295-301, Copyright © 1998 by Society for the Study of Reproduction
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LY Yu-Lee, G Luo, ML Book and SM Morris
Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA. yulee@bcm.tmc.edu
The peptide hormone prolactin (PRL) is known to regulate numerous target tissues. Among the less well-known targets are cells of the immune system, including T cells, B cells, and macrophages. Our laboratory has cloned a panel of PRL-inducible T-cell activation genes for use in studies investigating how PRL modulates the biology of cells of the immune system. This article focuses on two such PRL-inducible genes. One is a transcription factor called interferon regulatory factor-1, whose expression is regulated by signaling molecules along the PRL-inducible JAK/Stat signaling pathway. These signaling molecules include Stat1 and CBP as positive mediators and, unexpectedly, Stat5b as a negative mediator. A second PRL-inducible gene is c15/RNUDC, a novel nuclear movement protein, which may provide a link between PRL signaling and signaling via the lipid second messenger, platelet activating factor.
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H. N. Jabbour, H. O. D. Critchley, L.-y. Yu-Lee, and S. C. Boddy Localization of Interferon Regulatory Factor-1 (IRF-1) in Nonpregnant Human Endometrium: Expression of IRF-1 Is Up-Regulated by Prolactin during the Secretory Phase of the Menstrual Cycle J. Clin. Endocrinol. Metab., November 1, 1999; 84(11): 4260 - 4265. [Abstract] [Full Text] |
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