Genetics

Mutations in CCIN cause teratozoospermia and male infertility

In mammalian spermatogenesis, drastic shape changes occur during the maturation of spermatids into spermatozoa. The morphology of mature sperm is one of the important indicators to evaluate male fertility, and clinical evidence ...

Neuroscience

Cannabinoid receptor activates spermatozoa

Biologists from Bochum and Bonn have detected a cannabinoid receptor in spermatozoa. Endogenous cannabinoids that occur in both the male and the female genital tract activate the spermatozoa: they trigger the so-called acrosome ...