Compensatory functions of histone deacetylase 1 (HDAC1) and HDAC2 regulate transcription and apoptosis during mouse oocyte development

Pengpeng Ma, Hua Pan, Rusty L. Montgomery, Eric N. Olson, Richard M. Schultz

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68 Citations (Scopus)

Abstract

Dramatic changes in chromatin structure and histone modification occur during oocyte growth, as well as a global cessation of transcription. The role of histone modifications in these processes is poorly understood. We report the effect of conditionally deleting Hdac1 and Hdac2 on oocyte development. Deleting either gene has little or no effect on oocyte development, whereas deleting both genes results in follicle development arrest at the secondary follicle stage. This developmental arrest is accompanied by substantial perturbation of the transcriptome and a global reduction in transcription even though histone acetylation is markedly increased. There is no apparent change in histone repressive marks, but there is a pronounced decrease in histone H3K4 methylation, an activating mark. The decrease in H3K4 methylation is likely a result of increased expression of Kdm5b because RNAi-mediated targeting of Kdm5b in double-mutant oocytes results in an increase in H3K4 methylation. An increase in TRP53 acetylation also occurs in mutant oocytes and may contribute to the observed increased incidence of apoptosis. Taken together, these results suggest seminal roles of acetylation of histone and nonhistone proteins in oocyte development.

Original languageEnglish (US)
JournalProceedings of the National Academy of Sciences of the United States of America
Volume109
Issue number8
DOIs
StatePublished - Feb 21 2012

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Histone Deacetylase 1
Oocytes
Histone Code
Apoptosis
Acetylation
Histones
Methylation
RNA Interference
Transcriptome
Genes
Chromatin
Incidence
Growth

ASJC Scopus subject areas

  • General

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Compensatory functions of histone deacetylase 1 (HDAC1) and HDAC2 regulate transcription and apoptosis during mouse oocyte development. / Ma, Pengpeng; Pan, Hua; Montgomery, Rusty L.; Olson, Eric N.; Schultz, Richard M.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 109, No. 8, 21.02.2012.

Research output: Contribution to journalArticle

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