A nurse makes the decision on who will live

Thymic nurse cells are specialized cells of the thymus capable of taking up as many as 50 developing T cells into their cytoplasm. In the June issue of Experimental Biology and Medicine, Dr. Guyden and his colleagues show that thymic nurse cells play a role in deciding which thymocytes that have been taken up will die, because they will become potentially harmful if they mature, and which will be released to continue the developmental process.

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All News summaries for May 23, 2007