HongrES1, a cauda epididymis-specific protein, is involved in capacitation of guinea pig sperm.

@article{Ni2009HongrES1AC,
  title={HongrES1, a cauda epididymis-specific protein, is involved in capacitation of guinea pig sperm.},
  author={Y Ni and Yuchuan Zhou and Wen-Ying Chen and Min Zheng and Jianmin Yu and Chuyan Li and Yonglian Zhang and Qi-xian Shi},
  journal={Molecular reproduction and development},
  year={2009},
  volume={76 10},
  pages={984-93}
}
Capacitation requires removal of proteins secreted by the cauda epididymis. Previously, we isolated and cloned the HongrES1 gene from rat cauda epididymis and found that it was exclusively expressed there. Here we report that HongrES1 mRNA is also expressed in the guinea pig cauda epididymis using Northern blot analysis, and the molecular weight of its cognate protein is approximately 48 kDa by Western blot analysis. Therefore, we investigated whether HongrES1 was involved in regulation of… CONTINUE READING

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