Researchers discover promising targets for treating allergies and asthma

Researchers in the United Kingdom, the United States, Sweden and Canada report in Nature that they have discovered more than 30 genes that have strong effects on Immunoglobulin E (IgE), allergies and asthma.

IgE is the antibody that triggers allergic responses. Among the genes are promising novel drug targets for treating allergies and asthma. Allergies affect 30 percent of the population and 10 percent of children suffer from asthma.

The researchers also found that the genes are concentrated in eosinophils, a white cell that ignites inflammation in asthmatic airways. The genes indicate when the eosinophils are activated and primed to cause the most damage. The newly found activation signals provide a possible means of directing treatments by predicting who will respond before starting therapy.

David Schwartz, MD, chairman of the Department of Medicine at the University of Colorado School of Medicine at the Anschutz Medical Campus, is one of the team of researchers who contributed to the report, published Feb. 18 in Nature. Ivana Yang, PhD, associate professor of medicine the School of Medicine, also contributed to the report.

The research team used a novel technique to discover these genes, known as an “epigenome wide association study (EWAS).” Epigenetic changes to DNA do not alter the underlying sequence of the genetic code but can still be passed on as cells divide. They program the cells to form specialized types and tissues.

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About the University of Colorado School of Medicine

Researchers discover promising targets for treating allergies and asthma Faculty at the University of Colorado School of Medicine work to advance science and improve care. These faculty members include physicians, educators and scientists at University of Colorado Health, Children’s Hospital Colorado, Denver Health, National Jewish Health, and the Denver Veterans Affairs Medical Center. The school is located on the Anschutz Medical Campus, one of four campuses in the University of Colorado system. To learn more about the medical school’s care, education, research and community engagement, visit its web site.

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Mark Couch
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University of Colorado Denver

Journal
  Nature

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