Structure-Function And Domain Minimization Of Insulin-Like Peptide 3, A Novel Member Of The Insulin Superfamily

Grant number: 350245

Abstract

Insulin-like peptide 3 (INSL3) is a peptide hormone that is structurally similar to insulin. It is produced in both the testes and the ovaries. In the male, one of its primary roles is to initiate testes descent during fetal development via a direct action on the gubernaculum ligament. Failure of INSL3 action either directly or due to receptor malfunction causes cryptorchidism (undescended testes), one of the most common congenital defects. In the female, INSL3 is implicated in follicle selection. More recent evidence shows that the peptide has clear roles in modulating male and female germ cell maturation. These effects indicate that agonists and antagonists of INSL3 have potential as speci..

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