Academic literature on the topic 'Sertoli cells Physiology'

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Journal articles on the topic "Sertoli cells Physiology"

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de, Kretser DM. "Germ cell-Sertoli cell interactions." Reproduction, Fertility and Development 2, no. 3 (1990): 225. http://dx.doi.org/10.1071/rd9900225.

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The interactions between the Sertoli cells and germ cells are progressively becoming an important part of testicular physiology. This paper explores the cytological basis for these interactions, detailing the cyclic changes in the Sertoli cells in concert with the stages of the seminiferous cycle and the nature of the blood-testis barrier. These cytological changes are correlated with a number of variations in the function of Sertoli cells. The mechanisms by which germ cells and Sertoli cells interact are explored and can be divided into those using cell-to-cell contact and others utilizing pa
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Maqdasy, Salwan, Fatim-Zohra El Hajjaji, Marine Baptissart, Emilie Viennois, Abdelkader Oumeddour, Florence Brugnon, Amalia Trousson та ін. "Identification of the Functions of Liver X Receptor-β in Sertoli Cells Using a Targeted Expression-Rescue Model". Endocrinology 156, № 12 (24 вересня 2015): 4545–57. http://dx.doi.org/10.1210/en.2015-1382.

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Liver X receptors (LXRs) are key regulators of lipid homeostasis and are involved in multiple testicular functions. The Lxrα−/−;Lxrβ−/− mice have illuminated the roles of both isoforms in maintenance of the epithelium in the seminiferous tubules, spermatogenesis, and T production. The requirement for LXRβ in Sertoli cells have been emphasized by early abnormal cholesteryl ester accumulation in the Lxrβ−/− and Lxrα−/−;Lxrβ−/− mice. Other phenotypes, such as germ cell loss and hypogonadism, occur later in life in the Lxrα−/−;Lxrβ−/− mice. Thus, LXRβ expression in Sertoli cells seems to be essent
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Pelletier, R. Marc, Casimir D. Akpovi, Li Chen, Robert Day, and María L. Vitale. "CX43 expression, phosphorylation, and distribution in the normal and autoimmune orchitic testis with a look at gap junctions joining germ cell to germ cell." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 300, no. 1 (January 2011): R121—R139. http://dx.doi.org/10.1152/ajpregu.00500.2010.

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Spermatogenesis requires connexin 43 (Cx43).This study examines normal gene transcription, translation, and phosphorylation of Cx43 to define its role on germ cell growth and Sertoli cell's differentiation, and identifies abnormalities arising from spontaneous autoimmune orchitis (AIO) in mink, a seasonal breeder and a natural model for autoimmunity. Northern blot analysis detected 2.8- and a 3.7-kb Cx43 mRNA bands in seminiferous tubule-enriched fractions. Cx43 mRNA increased in seminiferous tubule-enriched fractions throughout development and then seasonally with the completion of spermatoge
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Benahmed, M., J. Reventos, E. Tabone, and J. M. Saez. "Cultured Sertoli cell-mediated FSH stimulatory effect on Leydig cell steroidogenesis." American Journal of Physiology-Endocrinology and Metabolism 248, no. 2 (February 1, 1985): E176—E181. http://dx.doi.org/10.1152/ajpendo.1985.248.2.e176.

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To determine the precise role of Sertoli cells in the stimulating effects of follicle stimulating hormone (FSH) on Leydig cell activity, porcine purified Leydig and Sertoli cells were cultured separately or together in a chemically defined medium in the absence or presence of porcine, FSH 50 ng/ml. Leydig cell activity was evaluated using two parameters: human chorionic gonadotropin (hCG) binding sites; and hCG-stimulated cAMP production and testosterone secretion. First, it was found that FSH increases Leydig cell activity in crude Leydig cell preparations (40–60% of Leydig cells), whereas it
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Froment, P., M. Vigier, D. Nègre, I. Fontaine, J. Beghelli, F. L. Cosset, M. Holzenberger, and P. Durand. "Inactivation of the IGF-I receptor gene in primary Sertoli cells highlights the autocrine effects of IGF-I." Journal of Endocrinology 194, no. 3 (September 2007): 557–68. http://dx.doi.org/10.1677/joe-07-0258.

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IGF-I regulates pituitaryand gonadal functions, and is pivotal for sexual development and fertility in mammalian species. To better understand the function of autocrine IGF-I in Sertoli cell physiology, we established a system for Cre-mediated conditional inactivation of the IGF-I receptor (IGF-IR) in cultured Sertoli cells. We show here that loss of IGF-IR decreased the number of viable Sertoli cells as a consequence of diminished Sertoli cell proliferation and increased Sertoli cell death. Furthermore, the lack of IGF-IR altered the morphology of cultured Sertoli cells and decreased lactate
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Renier, G., J. Gaulin, W. Gibb, R. Collu, and J. R. Ducharme. "Effect of catecholamines on porcine Sertoli and Leydig cells in primary culture." Canadian Journal of Physiology and Pharmacology 65, no. 10 (October 1, 1987): 2053–58. http://dx.doi.org/10.1139/y87-321.

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The accumulation by purified immature porcine Leydig and Sertoli cells of cyclic adenosine 3′,5′-monophosphate in the presence of 1-methyl-3-isobuthylxathine was studied and their respective testosterone and 17β-estradiol production in response to catecholamines was assessed in vitro. These substances increased both basal and FSH-stimulated cyclic adenosine 3′,5′-monophosphate accumulation in Sertoli cells. In contrast, catecholamines slightly enhanced basal cyclic adenosine 3′,5′-monophosphate production but inhibited its human chorionic gonadotropin-stimulated accumulation by Leydig cells. C
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Moroi, Seiji, Mitinori Saitou, Kazushi Fujimoto, Akira Sakakibara, Mikio Furuse, Osamu Yoshida, and Shoichiro Tsukita. "Occludin is concentrated at tight junctions of mouse/rat but not human/guinea pig Sertoli cells in testes." American Journal of Physiology-Cell Physiology 274, no. 6 (June 1, 1998): C1708—C1717. http://dx.doi.org/10.1152/ajpcell.1998.274.6.c1708.

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Occludin is the only integral membrane protein identified to date as a component of tight junctions (TJs). Here, we examined the distribution and expression of occludin in murine testis bearing well-developed TJ. In the adult mouse testis, occludin was concentrated at TJ strands, which are located at the most basal regions of lateral membranes of Sertoli cells. In immunoblotting, occludin showed a characteristic multiple banding pattern, suggesting that occludin is highly phosphorylated in the testis. In 1-wk-old mouse testis, occludin was distributed diffusely at the lateral membranes of Sert
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Fantoni, G., P. L. Morris, G. Forti, G. B. Vannelli, C. Orlando, T. Barni, R. Sestini, G. Danza, and M. Maggi. "Endothelin-1: a new autocrine/paracrine factor in rat testis." American Journal of Physiology-Endocrinology and Metabolism 265, no. 2 (August 1, 1993): E267—E274. http://dx.doi.org/10.1152/ajpendo.1993.265.2.e267.

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Cultured Sertoli cells of 20-day-old rats were found to produce and release endothelin-1-like immunoreactivity (ET-1-LI) under follicle-stimulating hormone control. The elution profile of ET-1-LI from extracts of spent Sertoli cell culture medium corresponds to that of synthetic ET-1, suggesting a testicular production of authentic ET-1. In contrast, the conditioned medium from rat Leydig cells did not contain ET-1-LI. Immunohistochemical studies confirmed that, in 20-day-old rats, the positive staining was confined to some Sertoli cells, whereas interstitial cells were negative. In the adult
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Allan, Charles M., Patrick Lim, Mathew Robson, Jenny Spaliviero, and David J. Handelsman. "Transgenic mutant D567G but not wild-type human FSH receptor overexpression provides FSH-independent and promiscuous glycoprotein hormone Sertoli cell signaling." American Journal of Physiology-Endocrinology and Metabolism 296, no. 5 (May 2009): E1022—E1028. http://dx.doi.org/10.1152/ajpendo.90941.2008.

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We have characterized the in vivo actions of human wild-type FSH receptor (FSHR) overexpressed in Sertoli cells of transgenic (Tg) mice ( TgFSHRwt) compared with transgenic overexpression of the human activated mutant FSHR*D567G ( TgFSHR*D567G). Testicular TgFSHRwt expression significantly elevated specific FSH binding (>2-fold, P < 0.01) relative to nontransgenic testes, similar to increased FSH binding in TgFSHR*D567G testes. Isolated TgFSHRwt Sertoli cells exhibited higher FSH-stimulated cAMP levels compared with non- Tg or TgFSHR*D567G cells but did not display the elevated FSH-indep
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Riera, María F., María N. Galardo, Eliana H. Pellizzari, Silvina B. Meroni, and Selva B. Cigorraga. "Molecular mechanisms involved in Sertoli cell adaptation to glucose deprivation." American Journal of Physiology-Endocrinology and Metabolism 297, no. 4 (October 2009): E907—E914. http://dx.doi.org/10.1152/ajpendo.00235.2009.

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Sertoli cells provide the physical support and the necessary environment for germ cell development. Among the products secreted by Sertoli cells, lactate, the preferred energy substrate for spermatocytes and spermatids, is present. Considering the essential role of lactate on germ cell metabolism, it is supposed that Sertoli cells must ensure its production even in adverse conditions, such as those that would result from a decrease in glucose levels in the extracellular milieu. The aim of the present study was to investigate 1) a possible effect of glucose deprivation on glucose uptake and on
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Dissertations / Theses on the topic "Sertoli cells Physiology"

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Hayes, Marianne Kay. "Bovine testicular cells in vitro: establishment of primary cultures and investigations of secretory functions : a thesis presented for the degree of Doctor of Philosophy in the University of Adelaide." Title page, contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phh4178.pdf.

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Includes bibliographical references (leaves 98-128). Investigates protein secretion by bovine Sertoli cells in culture. Cultures were obtained from bulls at all stages of post natal development and from sexually mature animals.
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Wong, Chui-shan, and 黃翠珊. "Interactions of multiple proteins during specialized junctions formation in the rat seminiferous epithelium." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31221907.

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Harstine, Bo R. "Novel Approaches to Positively Impact the Early Life Physiology, Endocrinology, and Productivity of Bulls." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480521360099455.

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Plotton, Ingrid. "Implication de facteurs sertoliens dans la physiologie et la physiopathologie de la spermatogenèse : étude des ARNm de la clusterine et du stem cell factor." Lyon 1, 2006. http://www.theses.fr/2006LYO10079.

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La cellule de Sertoli a un rôle fondamental dans le contrôle des différentes étapes de la spermatogenèse. Le stem cell factor et la clusterine sont produits par la cellule de Sertoli. Nous avons mesuré par RT-PCR quantitative leurs ARNm au cours du développement et après avoir induit un trouble de la spermatogenèse chez le rat et dans des biopsies testiculaires de patients présentant une azoospermie soit obstructive (groupe contrôle) soit par trouble de la spermatogenèse. Les résultats suggèrent que la différenciation des cellules de Sertoli est altérée dans les troubles de la spermatogenèse c
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Papadopoulos, Vassilios. "Etude in vitro de la régulation de la fonction leydigienne chez le rat mature." Paris 6, 1986. http://www.theses.fr/1986PA066103.

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La participation des phospholipides (protéine kinase dépendante du ca**(2+) et des phospholipides, méthylations et leukotriène b4) et du cytosquelette dans le mécanisme d'action de la LH sur la cellule de Leydig purifiée chez le rat adulte a été étudiée et l'existence d'un contrôlé local a été démontré. Ce contrôle s'exerce par l'intermédiaire des facteurs synthétisés par les cellules de Sertoli et agissant sur les productions d'AMPC et de testostérone leydigiennes. L'aromatisation de la testostérone en estradiol 17beta a été aussi étudiée. Cette activité enzymatique est sous le contrôle endoc
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Hayes, Marianne Kay. "Bovine testicular cells in vitro: establishment of primary cultures and investigations of secretory functions / by Marianne Kay Hayes." Thesis, 1986. http://hdl.handle.net/2440/20634.

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Includes bibliographical references (leaves 98-128).<br>iv, 128 leaves, [22] leaves of plates : ill. ; 30 cm.<br>Investigates protein secretion by bovine Sertoli cells in culture. Cultures were obtained from bulls at all stages of post natal development and from sexually mature animals.<br>Thesis (Ph.D.) -- University of Adelaide, Dept. of Animal Sciences, 1987
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Books on the topic "Sertoli cells Physiology"

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D, Griswold Michael, ed. The Sertoli cell. Clearwater, FL: Cache River Press, 1993.

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Dee, Russell Lonnie, and Griswold Michael D, eds. The Sertoli cell. Clearwater, FL: Cache River Press, 1993.

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Griswold, Michael D. Sertoli Cell Biology. Elsevier Science & Technology Books, 2014.

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K, Skinner Michael, and Griswold Michael D, eds. Sertoli cell biology. Amsterdam: Elsevier Academic Press, 2005.

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Griswold, Michael D. Sertoli Cell Biology. Elsevier Science & Technology Books, 2014.

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Griswold, Michael D. Sertoli Cell Biology. Elsevier, 2018.

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Griswold, Michael D., and Michael K. Skinner. Sertoli Cell Biology. Elsevier Science & Technology Books, 2004.

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(Editor), Michael K. Skinner, and Michael D. Griswold (Editor), eds. Sertoli Cell Biology, Volume 1. Academic Press, 2004.

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(Editor), Michael K. Skinner, and Michael D. Griswold (Editor), eds. Sertoli Cell Biology, Volume 1. Academic Press, 2004.

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Book chapters on the topic "Sertoli cells Physiology"

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Steinberger, Anna, Andrzej Janecki, and Andrzej Jakubowiak. "Use of Two-Compartment Cultures of Sertoli Cells for Investigating Blood-Testis Barrier Physiology." In Function of Somatic Cells in the Testis, 167–85. New York, NY: Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4612-2638-3_9.

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Kovacs, William J. "Male Reproductive Function." In Textbook of Endocrine Physiology. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199744121.003.0012.

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The testes are the source of both germ cells and hormones essential for male reproductive function. The production of both sperm and steroid hormones is under complex feedback control by the hypothalamic-pituitary system. The testis consists of a network of tubules for the production and transport of sperm to the excretory ducts and a system of interstitial cells (called Leydig cells) that express the enzymes required for the synthesis of androgens. The spermatogenic or seminiferous tubules are lined by a columnar epithelium composed of the germ cells themselves as well as supporting Sertoli cells surrounded by peritubular tissue made up of collagen, elastic fibers, and myofibrillar cells. Tight junctions between Sertoli cells at a site between the spermatogonia and the primary spermatocyte form a diffusion barrier that divides the testis into two functional compartments, basal and adluminal. The basal compartment consists of the Leydig cells surrounding the tubule, the peritubular tissue, and the outer layer of the tubule containing the spermatogonia. The adluminal compartment consists of the inner two-thirds of the tubules containing primary spermatocytes and germ cells in more advanced stages of development. The base of the Sertoli cell is adjacent to the basement membrane of the spermatogenic tubule, with the inner portion of the cell engulfing the developing germ cells so that spermatogenesis actually takes place within a network of Sertoli cell cytoplasm. The mechanism by which spermatogonia pass through the tight junctions between Sertoli cells to begin spermatogenesis is unknown. The close proximity of the Leydig cell to the Sertoli cell with its embedded germ cells is thought to be critical for normal male reproductive function. The seminiferous tubules empty into a network of ducts termed the rete testis. Sperm are then transported into a single duct, the epididymis. Anatomically, the epididymis can be divided into the caput, the corpus, and the cauda regions. The caput epididymidis consists of 8 to 12 ductuli efferentes, which have a larger lumen tapering to a narrower diameter at the junction of the ductus epididymidis.
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GRISWOLD, M., and D. MCLEAN. "The Sertoli Cell." In Knobil and Neill's Physiology of Reproduction, 949–75. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012515400-0/50024-5.

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