Proteomics

Dataset Information

0

Loss of Cep70 function affects acrosome biogenesis and flagella formation during spermiogenesis


ABSTRACT: The spermatogenesis process is complex and delicate, and any error in any step may cause spermatogenesis arrested and even male infertility. Through mutation screening of patients with clinical azoospermia, we found a heterozygous site of the same mutation on CEP70. The centrosome protein 70 (Cep70) is involved in the regulation of microtubule assembly and shows a high expression trend during human spermatogenesis, but the specific mechanism of this protein in spermatogenesis is still unknown. Therefore, we deleted Cep70 in mice and founded that the deletion of Cep70 causes abnormal spermatogenesis and leads to male sterility. We found that knockout of Cep70 did not affect the prophase of meiosis I, but led to higher levels of thyroid hormone secretion, male germ cell apoptosis and abnormal spermiogenesis. By TEM and SEM analysis, we found that deletion of Cep70 results in abnormal formation of flagella and acrosome during spermiogenesis. TMT-labeled quantitative proteomic analysis revealed that the absence of Cep70 led to the significantly decrease of proteins associated with the formation of the flagella, head and acrosome of sperm and microtubule cytoskeleton according to the proteomic data. Taken together, our results show that Cep70 is essential for the acrosome biogenesis and flagella formation during spermiogenesis.

INSTRUMENT(S): Q Exactive Plus

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Testis

SUBMITTER: Qiang Liu  

LAB HEAD: Qiang Liu

PROVIDER: PXD023680 | Pride | 2021-09-10

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
FA234TQR1_1.raw Raw
FA234TQR1_10.raw Raw
FA234TQR1_11.raw Raw
FA234TQR1_12.raw Raw
FA234TQR1_2.raw Raw
Items per page:
1 - 5 of 14
altmetric image

Publications

Loss of CEP70 function affects acrosome biogenesis and flagella formation during spermiogenesis.

Liu Qiang Q   Guo Qianying Q   Guo Wei W   Song Shi S   Wang Nan N   Chen Xi X   Sun Andi A   Yan Liying L   Qiao Jie J  

Cell death & disease 20210512 5


The spermatogenesis process is complex and delicate, and any error in a step may cause spermatogenesis arrest and even male infertility. According to our previous transcriptomic data, CEP70 is highly expressed throughout various stages of human spermatogenesis, especially during the meiosis and deformation stages. CEP70 is present in sperm tails and that it exists in centrosomes as revealed by human centrosome proteomics. However, the specific mechanism of this protein in spermatogenesis is stil  ...[more]

Similar Datasets

2023-03-22 | PXD038779 | Pride
2022-11-24 | GSE218477 | GEO
2023-07-06 | GSE236388 | GEO
2021-06-01 | GSE171068 | GEO
2019-12-21 | GSE142428 | GEO
2022-02-15 | PXD028051 | Pride
2024-02-07 | PXD046120 | Pride
2019-02-01 | PXD010627 | Pride
2019-11-07 | GSE134825 | GEO
2019-11-07 | GSE134560 | GEO