Genetic test can diagnose certain immune system disorders

Primary immunodeficiency disorders (PID) can result in chronic and sometimes life-threatening infections. More than 450 PIDs have been described, but timely and accurate diagnoses remain a challenge. In a new study investigators used next-generation sequencing technology to test a DNA panel of 130 different immune system genes from 22 study participants. They found that many patients had inherited a genetic defect that caused a disorder in their immune system. These findings will facilitate better treatment options and earlier diagnosis in family members who may have inherited the same genetic abnormality.

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