These cells, found in the testicles even before puberty, typically mature into sperm when testosterone levels rise during ...

In a groundbreaking medical advancement, scientists have initiated the first human trial of spermatogonial stem cell (SSC) ...

Known as the cell’s engine, the mitochondria propels the sperm toward the egg, explained Dr. Houda Amor, a co-author of the ...

Monash researchers have discovered that swimming sperm create swirling fluid vortices—shaped like rolling corkscrews—giving ...

In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

A MAN has received the world’s first sperm-making stem cell transplant in a groundbreaking experiment to reverse infertility.

Eggs typically require fertilization by sperm from different colonies ... they need to be present in the reproductive or germline cells. Mutations that develop throughout life are thought to remain ...

50% of sperm cells have one X chromosome and 50 ... in the structure of a gene or in the number of chromosomes in a cell. Mutations can occur naturally before a cell divides. They can also be ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...