They are formed in a woman's body before birth and have to be on standby for decades to possibly be fertilized one day. But ...

Nonetheless, Slater's conclusion that the poly(A) tails were elongated by polyadenylation in the cytoplasm of the oocytes after fertilization was still valid and intriguing and set further ...

Hamster oocytes were also successfully vitrified using the cryoloop (n=20), fertilized, and developed to the morula/blastocyst stage at rates of around 10%, comparable to control noncryopreserved ...

Researchers have succeeded in generating high-quality feline embryonic stem cells using sperm and eggs from testes and ovaries discarded during sterilization surgery.

“We found that DNA repair slows down in aged oocytes,” says Schuh. “As a result, DNA damage accumulates in the cell.” To better understand the repair machinery of egg cells, the researchers created a ...