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PMID: 25048493 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Histone acetylation level and histone acetyltransferase/deacetylase activity in ejaculated sperm from normozoospermic men.

Yonsei medical journal ·Vol. 55 ·No. 5 ·2014-09-00 ·Pages 1333-40

Kim JH, Jee BC, Lee JM, Suh CS, Kim SH

Abstract

The aim of this work was to evaluate nuclear histone acetylation level and total histone acetyltransferase (HAT) and deacetylase (HDAC) activity in ejaculated sperm and their relevance to conventional sperm parameters. Thirty-three normozoospermic men were included in this study. Semen samples were processed by swim-up and then immunostained by six acetylation antibodies (H3K9ac, H3K14ac, H4K5ac, H4K8ac, H4K12ac, and H4K16ac). Our preliminary study verified the expression of HAT/HDAC1 in mature human sperm. From vitrified-warmed sperm samples, total HAT/HDAC activity was measured by commercially available kits. Nuclear DNA integrity was also measured by TUNEL assay. The levels of six acetylation marks were not related with conventional sperm parameters including sperm DNA fragmentation index (DFI) as well as HAT/HDAC activity. However, sperm DFI was positively correlated with HAT activity (r=0.038 after adjustment, p<0.02). HAT activity showed a negative relationship with HDAC activity (r=-0.51, p<0.01). Strict morphology was negatively correlated with acetylation enzyme index (=HAT activity/HDAC activity) (r=-0.53, p<0.01). Our works demonstrated a significant relationship of acetylation-associated enzyme activity and strict morphology or sperm DFI.

Keywords
Acetylation acetyltransferase deacetylase histone sperm
MeSH Terms
Acetylation Adult DNA Fragmentation Epigenesis, Genetic Histone Acetyltransferases/metabolism Histones/metabolism Humans Immunohistochemistry Male Middle Aged Protein Processing, Post-Translational Semen Analysis Spermatozoa/metabolism
Chemicals
Histones Histone Acetyltransferases
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Kim Jee Hyun
Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea. ; Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
Jee Byung Chul
Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea. [email protected] ; Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
Lee Jang Mi
Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea.
Suh Chang Suk
Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea. ; Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
Kim Seok Hyun
Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea. ; Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, Korea.
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Article Info
Journal
Yonsei medical journal
Abbr.
Yonsei Med J
ISSN
1976-2437
Published
2014-09-00
Pages
1333-40
Language
English
Region
Korea (South)
NLM ID
0414003
PMCID
PMC4108820
Subset
IM
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