Can sperm really be created in a laboratory?

Photobucket photo by didi775
Anybody who has, for whatever reason, dreamed of a world without men in the past probably looked to the cloners to make it happen. Few would have imagined it might one day be possible to create human sperm in a laboratory, but that is now the proud claim of Professor Karim Nayernia of the North East England Stem Cell Institute.

It is a claim that immediately hit controversy. Allan Pacey of the University of Sheffield, a sperm biologist of 20 years standing, declared he was unconvinced. Azim Surani, a professor of physiology and reproduction at Cambridge University, said they were "sperm-like cells" and "a long way from being authentic sperm cells".

Read more: http://www.guardian.co.uk/lifeandstyle/2009/jul/09/sperm-laboratory-men

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