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Vaccination against influenza induces homologous as well as cross-specific hemagglutination inhibiting (HI) responses. Induction of cross-specific HI responses may be essential when the influenza strain does not match the vaccine strain, or even to confer a basic immune response against a pandemic influenza virus. We carried out a clinical study to evaluate the immunological responses after seasonal...
Seasonal influenza causes more morbidity and mortality in older adults than in young adults, apparently because of a decline in immune function with increasing age, known as immunosenescence. In this study, we compared the capacity of dendritic cells (DCs) from healthy older adults (≥65years) with DCs from healthy young adults (20–40years) to initiate a T cell response against influenza. DCs from...
Influenza vaccine efficacy does not always correlate with humoral immune responses. Recent reports indicate that the cellular immune response also contributes to protection, however robust assays are lacking. We standardized and validated assays for detection of human influenza-specific cellular responses in four international laboratories. The production of granzyme B as marker of T cell-mediated...
Many changes occur during reperfusion of the myocardium after ischemic damage. Necrosis and apoptosis appear to be ongoing during ischemia, while apoptosis is boosted by the reperfusion event. In the past 10 years, distinct intracellular pathways important for hypertrophy, apoptosis, cardiac failure, ischemic preconditioning and reperfusion damage have been recognized. The eventual response of the...
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