The ubiquitin-proteasome system (UPS) orchestrates targeted protein degradation and remodelling in mammalian sperm, underpinning functional maturation, fertilisation and post-fertilisation events. In ...

Equine spermatozoa are highly specialised cells whose primary function is to deliver paternal genetic material to the oocyte. Structurally, they comprise a head containing the nucleus and acrosome, a ...

A startup out of Utah, Paterna Biosciences, says it has successfully grown functional human sperm in a lab and used the sperm to make visibly healthy-looking embryos. The technique could eventually ...

Men who do not produce sperm can’t be helped by existing fertility treatments, but a start-up is now claiming it can grow ...