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Matching the immunological characteristics of donor retinal cells to those of the recipient can reduce the chance of rejection.

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image: Done with Immunosuppressants

Done with Immunosuppressants

By Jef Akst | July 3, 2014

Adult sickle-cell patients have safely stopped taking their immunosuppressant medication thanks to a new type of blood stem-cell transplant.

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image: Facing Rejection

Facing Rejection

By Kate Yandell | January 17, 2014

Following face transplant, T cells from donor skin appear to be active at sites of rejection, perhaps to protect the tissue from attack by the recipient immune system.

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image: Stem Cells Not Rejected

Stem Cells Not Rejected

By Dan Cossins | January 25, 2013

Researchers uncover more evidence that reprogrammed stem cells are not attacked by the immune system, suggesting they may one day serve as effective therapies.

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image: Debate Over Stem Cell Effectiveness

Debate Over Stem Cell Effectiveness

By Ed Yong | January 9, 2013

Reprogrammed stem cells are not attacked by the immune system, or are they?

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image: Eye Trials Give Hope for Stem Cells

Eye Trials Give Hope for Stem Cells

By Hannah Waters | January 24, 2012

Preliminary data from human embryonic stem cell trials for two degenerative eye disorders are promising, but challenges remain for more complex tissues.

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