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Article Dans Une Revue Molecular and Cellular Endocrinology Année : 2020

FXRα modulates leydig cell endocrine function in mouse

Résumé

The hypothalamic-pituitary axis exert a major control over endocrine and exocrine testicular functions. The hypothalamic-pituitary axis corresponds to a cascade with the Gonadotropin Releasing Hormone secreted by the hypothalamus, which stimulates the synthesis and the release of Luteinizing Hormone (LH) and Follicle Stimulating Hormone by the gonadotropic cells of the anterior pituitary. The LH signaling pathway controls the steroidogenic activity of the Leydig cells via the activation of the luteinizing hormone/choriogonadotropin receptor. In order to avoid a runaway system, sex steroids exert a negative feedback within hypothalamus and pituitary. Testicular steroidogenesis is locally controlled within Leydig cells. The present work reviews some local regulations of steroidogenesis within the Leydig cells focusing mainly on the roles of the Farnesoid-X-Receptor-alpha and its interactions with several orphan members of the nuclear receptor superfamily. Further studies are required to reinforce our knowledge of the regulation of testicular endocrine function, which is necessary to ensure a better understanding of fertility disorders and then proposed an adequate treatment of the diseases.
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Dates et versions

hal-03529553 , version 1 (05-09-2022)

Licence

Paternité - Pas d'utilisation commerciale

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Hélène Holota, Laura Thirouard, Mélusine Monrose, Manon Garcia, Angélique de Haze, et al.. FXRα modulates leydig cell endocrine function in mouse. Molecular and Cellular Endocrinology, 2020, 518, pp.110995 -. ⟨10.1016/j.mce.2020.110995⟩. ⟨hal-03529553⟩
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