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StemCells can avoid rejection from the immune system

Last year, Japanese researchers announced that the first human patient would be treated with induced pluripotent stem cells in an attempt to reverse a degenerative eye condition called macular degeneration that leads to vision loss.

Now, a team of scientists headed by biologists at UC San Diego has discovered how induced pluripotent stem (iPS) cells, which are derived from an individual’s own cells, could be programmed to avoid rejection from the immune system.

Their findings, published online ahead of print in the journal Cell Stem Cell, show that iPS cells can differentiate or change into various types of functional cells with
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