Gonadotrophin and Thyrotrophin Receptors

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Milgrom, Edwin | de Roux, Nicolas | Ghinea, Nicolae | Beau, Isabelle | Loosfelt, Hugues | Vannier, Brigitte | Savouret, Jean-François | Misrahi, Micheline

Edité par CCSD ; Karger -

International audience. Gonadotrophin and thyrotrophin receptors belong to a subgroup of G-protein-coupled receptors. These receptors are characterized by a large extracellular domain that is responsible for the binding of the hormone. Soluble receptors, such as some luteinizing hormone receptors, arise from premessenger RNA alternative splicing, or, in the case of thyroid-stimulating hormone (TSH) receptors, by the cleavage and shedding of the ectodomain. Follicle-stimulating hormone and TSH receptors are restricted to the basolateral domain of their target cells. These receptors are also present in endothelial cells of target organ vessels and are involved in hormone transcytosis. Various genetic abnormalities of these receptors have been described.

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