Troublesome T cells have a healing side

(Johns Hopkins Medicine) Immune system cells linked to allergies also turn out to direct healing of mouse muscle wounds when paired with biologic 'scaffolding' to support them, researchers from Johns Hopkins and the Kennedy Krieger Institute report. The finding, described in the April 15 issue of Science, adds to evidence that the immune system is key not just to fighting infectious and other diseases but also to kick-starting healing after an injury.