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Genetic Cause of Previously Undefined Primary Immune Deficiency Disease Revealed

by Rajashri on September 26, 2009 at 9:46 PM Genetics & Stem Cells News

A genetic mutation that accounts for a perplexing condition found in people with an inherited immunodeficiency has been identified by researchers at the National Institutes of Health.

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The disorder, called combined immunodeficiency, is characterized by a constellation of severe health problems, including persistent bacterial and viral skin infections, severe eczema, acute allergies and asthma, and cancer.

The team that made the discovery was led by Helen Su, M.D., Ph.D., at the National Institute of Allergy and Infectious Diseases (NIAID), and included collaborators from NIAID and the National Cancer Institute (NCI). The research is reported in this week's New England Journal of Medicine.

"NIH clinicians have cared for people with unusual and difficult-to-treat immune disorders for decades," says NIAID Director Anthony S. Fauci, M.D. "This study exemplifies their commitment to improving the lives of people with these diseases by trying to uncover the causes of these disorders and thereby better understanding how to treat them."

Combined immunodeficiency is a type of primary immune deficiency disease (PIDD) in which several parts of the immune system are affected. This inherited disorder is characterized by increased susceptibility to bacterial, viral and fungal infections of various organs of the body. In some cases, susceptibility to cancers also may be seen.

There are 150 known PIDDs. Approximately 500,000 people in the United States have been diagnosed with a PIDD, while many more remain undiagnosed.

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Genetic Cause of Previously Undefined Primary Immune Deficiency Disease Revealed

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