Tracking Down Allergy-Causing T Helper Cells (VIDEO)

American Association for the Advancement of Science (AAAS)

Caption

Scientists finally tracked down the specific population of T cells that cause problems in allergies. T helper cells protect against pathogens, but a newly-identified subgroup dubbed TH2A are responsible for causing allergic symptoms, and can be distinguished from their protective counterparts by specific markers.

Credit

[Credit: Carla Schaffer / E. Wambre <i>et al.</i> / AAAS]

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