January 11, 2009

Chapter 33 (Angel Falling Softly)


Chemokine (C-C motif) receptor 5 (CCR5) is a gene on human chromosome three. Because of its effect on T cell function, a mutation on this gene known as Delta 32 (CCR5-D32) imparts full or partial immunity to a surprising number of diseases, such as smallpox, Black Death and HIV.

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