Article: Sperm cells created in lab.(News)

Article: Sperm cells created from bone marrow.(News)
The Birmingham Post (England);  April 13, 2007 ;     700+ words ... ... fully formed sperm. Prof Nayernia, who has now moved ... avenue being explored. Prof Nayernia hopes in future the ... ing early-stage sperm cells in the laboratory from ... enter meiosis," said Prof Nayernia. "If we could solve ...

Article: Boffins create sperm cells from human bone marrow
The Hindustan Times;  April 13, 2007 ;     514 words ... ... partly-developed sperm cells called spermatagonial ... Earlier research led by Prof Nayernia using mice, published ... them becoming mature sperm cells, although they did ... even further," said Prof Nayernia. "Our next goal is ...

Article: Breakthrough sees sperm cells created from human ...
Press and Journal, The Aberdeen (UK);  April 13, 2007 ;     570 words ...Immature sperm cells have been created from human bone ... scientists hope to grow fully formed sperm cells in as little as three years. At the ... point of being spermatagonial cells. Prof Nayernia, who has now moved to the North East ...

Article: Comparison of genetic parameter estimates of total sperm ...
Asian - Australasian Journal of Animal Sciences;  July 1, 2008 ;     700+ words ... ... estimates of the (co) variance of total sperm cells over the active lifetime of AI boars ... genetic and residual variance for total sperm cells were heterogeneous among age classifications ... estimates were similar except for total sperm cells at 24 months of age. The multiple trait ...

Article: Mice without Fkbp6 gene lack sperm cells.
Biotech Week;  June 18, 2003 ;     700+ words ... ... female mice appeared normal but all the sperm cells in males had died, resulting in complete ... massively reduced and that they produced no sperm cells," he recalled. "Fkbp6 only acts in sperm cells and we found no other defects in our mice ...

Article: Quality control mechanism tags defective sperm ...
Health & Medicine Week;  February 4, 2008 ;     700+ words ...COLUMBIA, Mo. uDefective sperm cells do not pass through the body unnoticed ... body recognizes and tags defective sperm cells while they undergo maturation in ... called ubiquitin marks abnormal sperm cells, including cells that have two ...

Article: German researchers turn bone stem cells into primitive ...
Xinhua News Agency;  April 13, 2007 ;     493 words ... ... turn bone stem cells into primitive sperm cells BERLIN, April 13 (Xinhua) -- German ... from human bone marrow into primitive sperm cells in a first step towards creating artificial sperm cells. If researchers succeeded in turning ...