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Researchers shed light on T-cell receptor activation in response to infection news-medical.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from news-medical.net Daily Mail and Mail on Sunday newspapers.
E-Mail Immune cells specialize to ensure the most efficient defense against viruses and other pathogens. Researchers at the University of Basel have shed light on this specialization of T cells and shown that it occurs differently in the context of an acute and a chronic infection. This could be relevant for new approaches against chronic viral infections. Researchers led by Professor Carolyn King of the University of Basel have developed a method to study the specialization of T cells in the context of infections. In the journal eLife, they report the different directions this specialization takes, depending on whether it happens in the context of an acute viral infection such as influenza or a chronic one such as HIV infection or malaria, which can no longer be overcome by the body. ....
E-Mail A research team at the University of Basel has discovered immune cells resident in the lungs that persist long after a bout of flu. Experiments with mice have shown that these helper cells improve the immune response to reinfection by a different strain of the flu virus. The discovery could yield approaches to developing longer-lasting vaccinations against quickly-mutating viruses. At the start of the coronavirus pandemic, some already began to raise the question of how long immunity lasts after weathering SARS-CoV-2. The same question has now arisen regarding the COVID-19 vaccination. A key role is played by immunological memory - a complex interplay of immune cells, antibodies and signaling substances that allows the body to fight off known pathogens very efficiently. ....