Is This An Old Wives Tale about cancer?
sphinx at world.std.com
Wed Apr 4 22:09:41 EST 2001
Thanks for your educational comments.
In article <9a9b1h$8rb at llama.swcp.com>,
Martin E. Lewitt <lewitt at swcp.com> wrote:
>What is this about finely tuned preparaton for angiogenesis? All a
>tumor cell has to figure out is how to make gene control errors while
>dividing without suffering aptopsis or attracting the attention of the
>immune system. Most would be tumor cells don't manage this. Any
>normal tissue short of oxygen "calls" for more blood supply. Every
>normal tissue is finely tuned for angiogenesis. Some primitive cells
>that have lost most of their differentiation, can form little "canals"
>of their own without assistance from normal angiogensis. This little
>"canals" are normal for the undifferentiated cells of the embryo.
>Once they stop regulating the expression of their genes they have
>the whole normal genome at their disposal. However, they can
>stimulate angiogenesis by acting normal without needing any abnormal
>gene expression. -- Martin
>Personal, not work info: Martin E. Lewitt My opinions are
>Domain: lewitt at swcp.com P.O. Box 729 my own, not my
>Hm phone: (505) 281-3248 Sandia Park, NM 87047-0729 employer's.
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