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Transient down-regulation of inhibin-betaC expression following partial hepatectomy
A F Esquela1, T A Zimmers, L G Koniaris
1Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.
Abstract:
Inhibin-betaC is a recently described TGF-beta family member most homologous to inhibin-betaA and inhibin-betaB. By Northern analysis, inhibin-betaC mRNA was detected exclusively in the liver among a large number of adult mouse tissues surveyed. The expression of inhibin-betaC mRNA in adult liver dropped sharply and transiently following partial hepatectomy. At 6 and 12 hours following partial hepatectomy, the levels of inhibin-betaC mRNA were at least 8-fold lower than in control animals. The liver specificity of inhibin-betaC expression and its down-regulation following partial hepatectomy suggest that inhibin-betaC may function as a negative regulator of liver growth.