Researchers use DNA test to determine blood disorder in infants

12/9/2009 | U.S. News & World Report

Researchers screened all newborns in Wisconsin last year using a test designed to pinpoint the number of T-cell receptor excision circles in DNA taken from dried blood spots. The method allowed for the diagnosis of T-cell lymphopenia, a blood disorder characterized by low white blood cell levels, in eight out of the 71,000 infants. The results highlight the importance of state screening initiatives for the blood disorder, the researchers said.

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