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Last night I heard of a cancer treatment that was described as a stem cell treatment. Blood is removed, heavet doe of radiation, chemo are applied, them blood is returned. Any comments? Wblakesx 22:55, 19 November 2006 (UTC)wblakesx reply

Lung tissue has been restored in mice using 13-cis-retinoic acid as a modifier of genetic expession in lung tissue. Does anyone have any other specific modulations? Details of such modulations? Wblakesx 15:13, 18 October 2006 (UTC)wblakesx reply

There was a question on the Science reference desk about this initial definition of gene modulation. I can suggest that one uses the phrase " epigenetic alteration of gene expression". The link explains about epigenetics, and is pretty clear about how it would be different from therapy that involves changing a cell's DNA. -- Seejyb 22:06, 25 August 2006 (UTC) reply