Scientists create 'big-brained' mice

From: Dickey, Michael F (michael_f_dickey@groton.pfizer.com)
Date: Fri Jul 19 2002 - 07:42:43 MDT


http://www.msnbc.com/news/782312.asp?0dm=C16LT

Interesting article, though I dont see where the mice were actually
'genetically engineered' the author of the article only says they added the
protien beta-catenin, which 'helps control cell division'. It later says
"next step is to see if the beta-catenin gene is abnormal in cases of mental
retardation " Is Beta-Catenin a gene or a protien?

It looks to me, from this article, that the mice where not 'genetically
engineered' i.e. their genetic code was not modified, instead they were
injected with this protien in the cranial cavity, probably during critical
developmental stages. The author probably lumps any changes with
'genetically engineered' though Im not sure.

So, we clone stem cells from a subject, bath them in this protien while
injecting the juice into someones head, used to combat alzhiemers or add a
few billion nuerons to our existing brains...

Mike

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