Tag Archives: Dark Ages

Stanford’s Irving Weissman on the (lost?) promise of stem cells

Stanford stem cell researcher Irving Weissman, MD, published an article in Cell Stem Cell today discussing barriers to stem cell research:

While I am usually an optimist, I must admit that there is a possibility that we will continue to be in the Dark Ages of medicine for quite some time. I fear that therapies using purified tissue and organ-specific stem cells – the only self-renewing cells in a tissue or that can regenerate that tissue or organ for life – will remain elusive.

Weissman, who directs Stanford’s Institute for Stem Cell Biology and Regenerative Medicine, goes on to cover the
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