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  • Title: Regulatory effect of IFN-gamma on expression of TGF-beta 1, T beta R-II, and StAR in corpus luteum of pregnant rhesus monkey.
    Author: Chen XL, Gao HJ, Wei P, Song XX, Hu ZY, Liu YX.
    Journal: Acta Pharmacol Sin; 2003 May; 24(5):435-41. PubMed ID: 12740179.
    Abstract:
    AIM: To examine expression of transforming growth factor-beta 1 (TGF-beta 1) and TGF beta receptor II (T beta R-II) and steroidogenic acute regulatory protein (StAR) in the corpus luteum (CL) of pregnant monkeys at various stages and to study possible effect of IFN-gamma on their production. METHODS: In situ hybridization and immunohistochemistry were applied to detect mRNA and protein. RESULTS: The expression of StAR, TGF-beta 1, and T beta R-II in the pregnant monkey CL was progressively decreased from d 15 to d 35 of gestation. IFN-gamma down-regulated the expression of TGF-beta 1, T beta R-II, as well as StAR. CONCLUSION: TGF-beta 1 may play an important role in the CL formation and functional maintaining; IFN-gamma down-regulates the expression of TGF-beta 1, T beta R-II, and StAR.
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