twofaced

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The rules to the kids' game "red light, green light" are easy to follow: red always means stop, and green always means go. But now, researchers from Japan have found that a key protein involved in B cell signaling acts as both a red light…

T and B lymphocytes, which are part of a group of immune cells commonly called white blood cells, work together to eliminate foreign invaders in the body such as viruses. However, certain diseases can arise when T and B cells are activated…