In the study, "Intestinal mast cell–derived leukotrienes mediate the anaphylactic response to ingested antigens," published in Science, researchers combined bulk and single‑cell RNA sequencing, in ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For those with severe food allergies, just one morsel of the wrong ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. Until recently, scientists had little insight ...

Food allergies affect more than half a billion people worldwide. In severe cases, even a small bite of the wrong food can trigger anaphylaxis - a rapid, body-wide allergic reaction that can cause ...

These results indicate that oral reactions in this model do not rely primarily on histamine, pointing instead to a mechanism driven by leukotrienes. Bone marrow chimera experiments showed that ...