Was just reading an article about human-animal transgenics in a biotech
science journal the other day.  While scientists are intrigued by the
possibilities, there are still big problems.  The biggest problem is that
transgenically produced proteins from animals still retain genetic fragments
from the host, in this case the goat.  Nothing that has been produced
transgenically so far is exactly like the original, there is always
something a little different and those differences could have detrimental
effects on a human.  Mostly they are worried about long-term effects on the
immune system. There are other issues as well. So yes, they are working on
it, companies are spending a lot of money on it, but it hasn't really taken
off yet because there are still big problems. Just wanted to let you know
where things stand as of today in this particular arena of genetic
engineering.

Sharon Knorr, BSMT, IBCLC  

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