Allergies are detrimental immune responses to specific environmental antigens that are normally tolerated by most individuals. Food allergies affect 2–10% of the general population, causing symptoms ...

Helper T cells (T H cells) are essential in generating an immune response. They secrete signaling molecules called cytokines that activate antibody-producing B cells and other T cells (T C cells) that ...

A newly recognized set of T helper cells seems to guard against aging by eliminating harmful senescent cells. Their presence in supercentenarians suggests they may be a key to maintaining a healthier, ...

Researchers at the Medical University of Vienna have taken a closer look at a previously largely unknown component of the immune system: the protein molecule TRAT1 (T Cell Receptor Associated ...

Marcus Buggert, an immunologist at the Karolinska Institute in Sweden, had noticed a similar pattern among patients there: cases where people who tested positive for the virus quickly lost their ...