Výsledky vyhledávání - "L A, Krummen"

The Role of Luteinizing Hormone in Regulation of Testicular Inhibin α and β-B Subunit Messenger RNAs in Immature and Adult Animals*

Autor: L. A. Krummen, B. S. Morelos, Shalender Bhasin

Publikováno v: Endocrinology. 127:1097-1104

In vivo and in vitro evidence indicates that FSH is a primary regulator of testicular inhibin production. However, recent reports suggest that LH may also promote inhibin secretion in vivo. To investigate whether LH regulates inhibin subunit messenge

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::269a32e033c705df1657bc31627441a0
https://doi.org/10.1210/endo-127-3-1097

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Differential actions of corticosterone on luteinizing hormone and follicle-stimulating hormone biosynthesis and release in cultured rat anterior pituitary cells: interactions with estradiol

Autor: D M, Baldwin, P S, Srivastava, L A, Krummen

Publikováno v: Biology of reproduction. 44(6)

Previous in vivo studies from our laboratory suggested that glucocorticoids antagonize estrogen-dependent actions on LH secretion. This study investigated whether corticosterone (B) may have similar actions on gonadotropin biosynthesis and secretion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f6d003689f28cbfc8fff78727bc969d5
https://pubmed.ncbi.nlm.nih.gov/1908329

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Stage Dependent Expression of Inhibin α and β-B Subunits during the Cycle of the Rat Seminiferous Epithelium*

Autor: Nicholas Ling, G. S. Dizerega, Jorma Toppari, F. Esch, Ronald S. Swerdloff, Won Kim, Shunichi Shimasaki, Shalender Bhasin, L. A. Krummen, B. S. Morelos

Publikováno v: Endocrinology. 124:987-991

In order to elucidate the putative role of inhibin in regulation of spermatogenesis, expression of inhibin subunits was examined at defined stages of the cycle of the rat seminiferous epithelium. Twenty 2-mm segments of seminiferous tubules at stages

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f11afd895c74302a4a2b74d7c138241a
https://doi.org/10.1210/endo-124-2-987

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Regulation of testicular inhibin subunit messenger ribonucleic acid levels in vivo: effects of hypophysectomy and selective follicle-stimulating hormone replacement

Autor: Ronald S. Swerdloff, Shunichi Shimasaki, Nicholas Ling, F. Esch, Jorma Toppari, L. A. Krummen, B. S. Morelos, N. Ahmad, Shalender Bhasin, Won Kim

Publikováno v: Endocrinology. 125(3)

To examine the pretranslational regulation of inhibin subunits in the rat testis by FSH, we studied the effects of hypophysectomy with or without selective FSH replacement on testicular inhibin subunit mRNA levels in immature and adult animals. In th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b837fb305d0c81601ceaa8afbba8313
https://pubmed.ncbi.nlm.nih.gov/2503372

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An in vitro study of LH release, synthesis and heterogeneity in pituitaries from proestrous and short-term ovariectomized rats

Autor: D M, Baldwin, R F, Highsmith, J W, Ramey, L A, Krummen

Publikováno v: Biology of reproduction. 34(2)

It is known that acute ovariectomy (OVX) greatly attenuates the pituitary luteinizing hormone (LH) response to gonadotropin-releasing hormone (GnRH) in vitro. The present study evaluated possible quantitative and/or qualitative differences in the bio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6fe4b69e197b4f577b00fe7ad4ecb1fe
https://pubmed.ncbi.nlm.nih.gov/3955145

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