Latest Germ cells Stories
Two independent groups of researchers have identified distinct roles for two proteins in a family of proteins known as PLA2s as crucial for sperm function and fertility in mice.
Most of us probably think of sperm as rather active little cells, swimming with quick movements of their "tail" or flagella.
UCSF researchers have identified an elusive molecular regulator that controls the ability of human sperm to reach and fertilize the egg, a finding that has implications on both treating male infertility and preventing pregnancy.
Reproductive researchers from the University of Pennsylvania and The Childrenâ€™s Hospital of Philadelphia have succeeded in isolating and transplanting pure populations of the immature cells that enable male reproduction in two speciesâ€”human spermatogonia and mouse gonocytes.
US geneticists say that for the first time ever they have successfully managed to induce human embryonic stem cells to transform into germ cells capable of producing egg and sperm cells.
Advance provides potential tool to find causes of unexplained infertility, birth defects.
Prototype Anonymous Donor Database In Development FAIRFAX, Va., Oct. 15 /PRNewswire-USNewswire/ -- Four of America's leading donor sperm providers have formed a new, non-profit association, the Association of Gamete Donor Providers (AGDP).
GPx5, an antioxidant protein that protects immature spermatozoa once they have left the testicle, has been identified by the GReD Unit (1) (CNRS / INSERM / Universities de Clermont-Ferrand).
Almost all organisms evolve from a single cell, a fertilized egg. In the first hours after fertilization, the fate of its future development is determined.
The vast improvement in cancer treatment and increased survival rates have created a challenge for young cancer patients, since the chemotherapy and radiation treatments that save lives often threaten fertility.
- A young chicken: also used as a pet name for children.