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High throughput small RNA and transcriptome sequencing reveal capacitation-related microRNAs and mRNA in boar sperm.


ABSTRACT: BACKGROUND:Capacitation, a prerequisite for oocyte fertilization, is a complex process involving series of structural and functional changes in sperms such as membrane modifications, modulation of enzyme activities, and protein phosphorylation. In order to penetrate and fertilize an oocyte, mammalian sperms must undergo capacitation. Nevertheless, the process of sperm capacitation remains poorly understood and requires further elucidation. In the current study, via high throughput sequencing, we identified and explored the differentially expressed microRNAs (miRNAs) and mRNAs involved in boar sperm capacitation. RESULTS:We identified a total of 5342 mRNAs and 204 miRNAs that were differentially expressed in fresh and capacitated boar sperms. From these, 12 miRNAs (8 known and 4 newly identified miRNAs) and their differentially expressed target mRNAs were found to be involved in sperm capacitation-related PI3K-Akt, MAPK, cAMP-PKA and Ca2+signaling pathways. CONCLUSIONS:Our study is first to provide the complete miRNA and transcriptome profiles of boar sperm. Our findings provide important insights for the understanding of the RNA profile in boar sperm and future elucidation of the underlying molecular mechanism relevant to mammalian sperm capacitation.

SUBMITTER: Li Y 

PROVIDER: S-EPMC6180635 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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High throughput small RNA and transcriptome sequencing reveal capacitation-related microRNAs and mRNA in boar sperm.

Li Yuan Y   Li Rong-Hong RH   Ran Ming-Xia MX   Zhang Yan Y   Liang Kai K   Ren Ying-Nan YN   He Wen-Cheng WC   Zhang Ming M   Zhou Guang-Bin GB   Qazi Izhar Hyder IH   Zeng Chang-Jun CJ  

BMC genomics 20181011 1


<h4>Background</h4>Capacitation, a prerequisite for oocyte fertilization, is a complex process involving series of structural and functional changes in sperms such as membrane modifications, modulation of enzyme activities, and protein phosphorylation. In order to penetrate and fertilize an oocyte, mammalian sperms must undergo capacitation. Nevertheless, the process of sperm capacitation remains poorly understood and requires further elucidation. In the current study, via high throughput sequen  ...[more]

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2019-04-25 | GSE130245 | GEO