Journal
GENETICS AND MOLECULAR RESEARCH
Volume 12, Issue 3, Pages 4060-4069Publisher
FUNPEC-EDITORA
DOI: 10.4238/2013.September.27.7
Keywords
RNF148; Human testicular interstitial gene; Histone acetylation; Gene expression
Funding
- National High Technology Research and Development Program (Program 863) of the Ministry of Science and Technology of China [2001AA216091]
- Fundamental Research Funds for the Central Universities [2010SCU11025]
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Multiple genes are restrictively expressed in mammalian testicular tissues, and they play important roles in the complex process of spermatogenesis. Investigation of these genes and their expression regulation mechanisms is valuable to elucidate the molecular process of spermatogenesis. In this study, we identified a novel human gene, ring finger protein 148 (RNF148) that is abundantly expressed in testes and slightly expressed in pancreas. In situ hybridization analysis showed that RNF148 messenger RNA was mainly present in the interstitial cells of human testicular tissues, and immunohistochemical analysis confirmed protein levels in that location. Treatment with histone deacetylase inhibitor trichostatin A activated the expression of RNF148 messenger RNA in a time-and concentration-dependent manner in HEK293T and HeLa cells, neither of which normally express RNF148. Chromatin immunoprecipitation analysis showed that trichostatin A treatment increased the binding of acetylated histone H3 to the RNF148 gene promoter. We identified a novel human testicular interstitial gene and observed that histone deacetylases regulate RNF148 expression.
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