Osteocalcin of maternal and embryonic origins synergize to establish homeostasis in offspring

Author:

Pinto Danilo Correa,Delgado Isabella Canal,Yang Haiyang,Clemenceau Alisson,Corvelo André,Narzisi GiuseppeORCID,Musunuri Rajeeva,Berger Julian Meyer,Hendricks Lauren E.,Tokumura Kazuya,Luo Na,Li Hongchao,Oury Franck,Ducy Patricia,Yadav Vijay K.,Li Xiang,Karsenty Gerard

Abstract

ABSTRACTMany physiological functions regulated by osteocalcin are affected in adult offspring of mothers experiencing an unhealthy pregnancy. Furthermore, osteocalcin signaling during gestation influences cognition and adrenal steroidogenesis in adult mice. Together these observations suggest that osteocalcin functions during pregnancy may be a broader determinant of organismal homeostasis in adult mammals than previously thought. To test this hypothesis, we analyzed in unchallenged wildtype andOsteocalcin-deficient, newborn, and adult mice of various genotypes and origin, and that were maintained on different genetic backgrounds, the functions of osteocalcin in the pancreas, liver and testes and their molecular underpinnings. This analysis revealed that providing mothers are themselvesOsteocalcin-deficient,Osteocalcinhaploinsufficiency in embryos hampers insulin secretion, liver gluconeogenesis, glucose homeostasis, testes steroidogenesis in adult offspring; inhibits cell proliferation in developing pancreatic islets and testes; and disrupts distinct programs of gene expression in these organs and in the brain. This study indicates that through their synergistic regulation of multiple physiological functions, osteocalcin ofmaternal and embryonic origins contributes to the establishment and maintenance of organismal homeostasis in newborn and adult offspring.

Publisher

Cold Spring Harbor Laboratory

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