Ovarian Membrane-Type Matrix Metalloproteinases: Induction of MMP14 and MMP16 During the Periovulatory Period in the Rat, Macaque, and Human
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作者:
Puttabyatappa, Muraly
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Univ Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Puttabyatappa, Muraly
[1
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Jacot, Terry A.
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Eastern Virginia Med Sch, Dept Obstet & Gynecol, Norfolk, VA 23501 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Jacot, Terry A.
[2
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Al-Alem, Linah F.
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Univ Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Al-Alem, Linah F.
[1
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Rosewell, Katherine L.
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Univ Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Rosewell, Katherine L.
[1
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Duffy, Diane M.
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Eastern Virginia Med Sch, Dept Physiol Sci, Norfolk, VA 23501 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Duffy, Diane M.
[3
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Brannstrom, Mats
[4
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Curry, Thomas E., Jr.
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Univ Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USAUniv Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
Curry, Thomas E., Jr.
[1
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机构:
[1] Univ Kentucky, Dept Obstet & Gynecol, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
[2] Eastern Virginia Med Sch, Dept Obstet & Gynecol, Norfolk, VA 23501 USA
[3] Eastern Virginia Med Sch, Dept Physiol Sci, Norfolk, VA 23501 USA
An intrafollicular increase in proteolytic activity drives ovulatory events. Surprisingly, the periovulatory expression profile of the membrane-type matrix metalloproteinases (MT-MMPs), unique proteases anchored to the cell surface, has not been extensively examined. Expression profiles of the MT-MMPs were investigated in ovarian tissue from well-characterized rat and macaque periovulatory models and naturally cycling women across the periovulatory period. Among the six known MT-MMPs, mRNA expression of Mmp14, Mmp16, and Mmp25 was increased after human chorionic gonadotropin (hCG) administration in rats. In human granulosa cells, mRNA expression of MMP14 and MMP16 increased following hCG treatment. In contrast, mRNA levels of MMP16 and MMP25 in human theca cells were unchanged before ovulation but declined by the postovulatory stage. In macaque granulosa cells, hCG increased mRNA for MMP16 but not MMP14. Immunoblotting showed that protein levels of MMP14 and MMP16 in rats increased, similar to their mRNA expression. In macaque granulosa cells, only the active form of the MMP14 protein increased after hCG, unlike its mRNA or the proprotein. By immunohistochemistry, both MMP14 and MMP16 localized to the different ovarian cell types in rats and humans. Treatment with hCG resulted in intense immunoreactivity of MMP14 and MMP16 proteins in the granulosa and theca cells. The present study shows that MMP14 and MMP16 are increased by hCG administration in the ovulating follicle, demonstrating that these MMPs are conserved among rats, macaques, and humans. These findings suggest that MT-MMPs could have an important role in promoting ovulation and remodeling of the ovulated follicle into the corpus luteum.
机构:
Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Liao E.Y.
Liao H.J.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Liao H.J.
Guo L.J.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Guo L.J.
Zhou H.D.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Zhou H.D.
Wu X.P.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Wu X.P.
Dai R.C.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
Dai R.C.
Luo X.H.
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Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011Inst. of Endocrinology/Metabolism, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011
机构:
Univ Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USAUniv Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USA
Jo, M
Thomas, LE
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Univ Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USAUniv Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USA
Thomas, LE
Wheeler, SE
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Univ Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USAUniv Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USA
Wheeler, SE
Curry, TE
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Univ Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USAUniv Kentucky, Albert B Chandler Med Ctr, Dept Obstet & Gynecol, Lexington, KY 40536 USA