Sperm News and Research

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The term sperm refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

Novel protein facilitates a critical event in mammalian fertilization

Fertilization is a fundamental process in sexual reproduction when the combination of male and female gametes blends genetic material to create a new unique individual. Now, researchers from Japan have identified a new factor that may help orchestrate this vitally complex life event.

From Osaka University 17 Apr 2020

Progesterone induces sperm release from oviductal epithelial cells by modifying sperm proteomics

An international team of researchers has uncovered valuable insights on the underlying mechanisms involved in the process of sperm release from the oviduct.

10 Feb 2020