Flu: Interferon-gamma from T follicular helper cells is required to create lung-resident memory B cells

During a bout of influenza, B cells interact with other immune cells and then take different paths to defend the body. One path is the B cells that differentiate into lung-resident memory B cells, or lung-BRMs, that are critical for pulmonary immunity. These long-lived, non-circulating lung-BRMs migrate to the lungs from draining lymph nodes and reside there permanently as the first layer of defense that can quickly react to produce antibodies in a future infection.


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Source: ScienceDaily