Scientists grow sperm out of skin tissue
Infertile men have been given hope of conceiving children after scientists successfully grew sperm out of skin cells.
The breakthrough came when they took tissue from mice testicles and kept it alive for several weeks.
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| Breakthrough: Researchers have grown sperm from tissue that was capable of fertilising an egg, meaning infertile men could soon be able to fulfil their dreams of fatherhood |
Researchers were able to grow sperm cells from this and inject them into female eggs, which produced babies.
The study gives hope to cancer patients who have been made infertile by chemotherapy.
It may allow men to freeze tissue from their testicles for scientists to grow healthy sperm from years later.
Leading fertility expert Dr Allan Pacey said: “It could help discover new drugs or treatments to stimulate infertile men to produce more or better sperm.
“For men who don’t have sperm to bank, to be able to freeze some testicular tissue and years later have sperm grown in the lab could allow them to have children that were genetically theirs.”
The study, carried out by Takehiko Ogawa at Yokohama University in Japan, created healthy baby mice, which later had babies themselves.
Separate research by Chinese scientists have created gay mice in a lab by reducing their serotonin. When they injected the brain chemical back into their brains, the males began chasing females again within 35 minutes.
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