In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a ...

After 18 years of infertility, a couple could finally have a baby thanks to artificial intelligence. The father had a rare condition that left him with almost no detectable sperm. Then fertility ...

Add Yahoo as a preferred source to see more of our stories on Google. Ultrastructure expansion microscopy of murine male germ cells reveals the fine molecular structures of centrioles (shown in the ...

Therapeutic mRNA delivered via lipid nanoparticles restored sperm production in genetically infertile mice and produced live ...

Germ cells pass DNA to the next generation and undergo massive reorganization of their DNA packaging to generate totipotency, or the ability to differentiate into any cell type. Understanding the ...

A new study shows that lab-grown sperm cells can be derived from stem cells. July 9, 2009 — -- The face of infertility-- in literature, in the media, in advocacy groups -- is so predominantly ...

In a groundbreaking medical advancement, scientists have initiated the first human trial of spermatogonial stem cell (SSC) transplantation. They are aiming to restore fertility in men who are unable ...

WASHINGTON (AP) — A man who battled childhood cancer has received the first known transplant of sperm-producing stem cells, in a study aimed at restoring the fertility of cancer’s youngest survivors.

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

A man who battled childhood cancer has received the first known transplant of sperm-producing stem cells, in a study aimed at restoring the fertility of cancer's youngest survivors. Jaiwen Hsu was 11 ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by Jeng Hsu shows her son, Jaiwen Hsu, at the Children's National Hospital in Washington in August 2011, weeks ...