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The effect of nicotine on RNA sequencing of mice spermatozoa

ABSTRACT: Our laboratory previous research confirmed that nicotine in cigarette smoke causes apoptosis in germ cells in the testis and it will increase the formation of autophagosomes in the cytoplasm of testicular stromal cells. In addition, nicotine, the main toxic substance in cigarette smoke, also affects telomerase activity of spermatogenic cells, shortens telomere length, and causes structural damage of chromosomes. It is worth noting that after nicotine treatment, the expression of proteins involved in cytoskeleton regulation and energy metabolism in mouse testis was significantly up-regulated, and the sperm motility of mice was improved after nicotine treatment. To investigate the underlying mechanism, C57BL/6J mice were divided into control and nicotine treated groups. Next generation RNA sequencing and bio-informatics analysis were carried out to analysis the effects of nicotine on the RNA profile of mice spermatozoa. The results of RNA-Seq showed that the number of reads in the control group was 2089729, and the number of reads in the nicotine-treated group was 1739093, and a total of 8699 transcripts were obtained. Expression level of some pathways remarkably changed after nicotine treatment.This experimental study are helpful to understand the mechanism of the effect of nicotine on sperm and help us to provide a way to study the effection of patern nicotine exposure on offspring development.

ORGANISM(S): Mus musculus

PROVIDER: GSE155145 | GEO | 2021/07/31

REPOSITORIES: GEO

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