Muralidhara Rao Maradana, N Bishara Marzook, Oscar E Diaz, Tapoka Mkandawire, Nicola Laura Diny, Ying Li, Anke Liebert, Kathleen Shah, Mauro Tolaini, Martin Kváč, Brigitta Stockinger, Adam Sateriale
Cryptosporidium is a leading cause of diarrheal-related deaths in children, especially in resource-poor settings. It also targets the immunocompromised, chronically infecting people living with HIV and primary immunodeficiencies. There is no vaccine or effective treatment. Although it is known from human cases and animal models that CD4+ T cells play a role in curbing Cryptosporidium, the role of CD8+ T cells remains to be defined. Using a Cryptosporidium tyzzeri mouse model, we show that gut-resident CD8+ intraepithelial lymphocytes (IELs) confer resistance to parasite growth...
November 28, 2023: Cell Host & Microbe