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Researchers clone key sperm-binding proteins
Date:3/17/2009

man BSP. Through cloning, they were able to produce and purify this protein.

"After considerable troubleshooting, we were able to produce functional human BSP. Our next steps are to confirm its biological role in human fertility," says Dr. Manjunath.

Role of BSPs in other animals

Following ejaculation, sperm undergo a complex series of modifications inside the female reproductive tract. The changes sperm undergo during this process include redistribution of surface proteins, loss of sperm membrane lipids and increased sperm movement. A family of sperm-binding proteins (BSPs) secreted by the seminal vesicles has been shown to be essential for sperm maturation in female reproductive tracts of cows, sheep, pigs and other hoofed animals.


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Contact: Sylvain-Jacques Desjardins
sylvain-jacques.desjardins@umontreal.ca
514-343-7593
University of Montreal
Source:Eurekalert  

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