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T cells home to the thymus and control infection
Nóbrega, Cláudia; Alves, Cláudio Nunes; Rodrigues, Bruno Miguel Cerqueira; Roque, Susana; Silva, Palmira Barreira da; Behar, Samuel M.The thymus is a target of multiple pathogens. How the immune system responds to thymic infection is largely unknown. Despite being considered an immune-privileged organ, we detect a mycobacteria-specific T cell response in the thymus following dissemination of Mycobacterium avium or Mycobacterium tuberculosis. This response includes proinflammatory cytokine production by mycobacteria-specific CD4(+) and CD8(+) ...
Interplay between depressive-like behavior and the immune system in an animal m...
Roque, Susana; Oliveira, Tiago Gil; Nóbrega, Cláudia; Silva, Palmira Barreira; Alves, Cláudio Nunes; Sousa, Nuno; Palha, Joana AlmeidaGlucocorticoids, namely dexamethasone, are prescribed during late gestation in pregnancies at risk of originating premature newborns, to promote fetal lung maturation. However, adverse early life events have been reported to induce long-lasting changes in the immune and central nervous systems. The accumulating evidence on bidirectional interactions between both systems in psychiatric disorders like depression,...
Mycobacteria-induced anaemia revisited : a molecular approach reveals the invol...
Rodrigues, Pedro; Gomes, Sandro S.; Neves, João V.; Pereira, Sandra Gomes; Neves, Margarida Correia; Alves, Cláudio Nunes; Stolte, Jens; Sanchez, MaykaAnaemia is a frequent complication of chronic infectious diseases but the exact mechanisms by which it develops remain to be clarified. In the present work, we used a mouse model of mycobacterial infection to study molecular alterations of iron metabolism induced by infection. We show that four weeks after infection with Mycobacterium avium BALB/c mice exhibited a moderate anaemia, which was not accompanied by ...
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