Adult stem cells have always worked better. The fetal cells always become cancerous.
What fails to be said, regarding embryonic stem cells; is that there is a huge amount of embryonic stem cells that are thrown away after a live birth. The umbilical cord and the placenta are full of embryonic stem cells - and these are simply disposed of.
If scientists want to study embryonic stem cells; there exists a source that poses no moral or ethical issues ... why not pursue that one?
Stem-cell research has been ongoing around the world for more than 20 years. As of 11/1/06 there has been at least 72 treatments developed using Adult Stem Cells with many more in the works and great promise for the future. Conversely, as of 11/1/06 there has been ZERO treatments developed using Embryonic Stem Cells.
Moreover, according to http://www.stemcellresearch.org, Embryonic stem cells pose an unusual risk for genetic changes and tumor formation, with the risk increasing the longer the cells are grown, thus making their therapeutic use even more speculative and problematic.
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It’s NOT already treatable. Both my parents have it (one has the dry form only and the other has dry in one eye and wet in the other). As of this summer, both will be unable to drive as their licenses are up for renewal (and my mother has already stopped driving as she feels she can’t do so safely). My mother has been involved in some clinical trials and has had the most advanced procedures available for the wet macular degeneration, and it just keeps getting worse at a pretty rapid clip. There is no treatment whatsoever for dry macular degeneration — just some evidence that preventive measures like not smoking, eating lots of leafy vegetables etc. may delay onset and somewhat slow progression. This article doesn’t even claim it’s treatable with adult stem cell-derived techniques — just mentions a hopeful paper published 5 years ago and more hoping that in another 5 years there might actually be a treatment.
He told her...come back in 6 months and we might have some good news.
Mom thought he was being overly optimistic.
I’m glad to read about the current successes.