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Scientists finally have proof of mysterious immune cell in humans

As you work, each cell in the human body, Scientists discovered an elusive type of immune cell that first arises in the womb. The existence of such cells in humans has been hotly debated – until now.

These mysterious cells, known as B-1 cells, were first discovered in mice in the 1980s, according to a 2018 review in The Journal of Immunology. These cells arise early in mouse development, in the womb, and they produce different ones antibody when activated. Some of these antibodies attach to the mouse’s own cells and help clear dying and dead cells from the body. Activated B-1 cells also make antibodies that serve as the first line of defense against pathogens such as viruses and viruses bacteria.

Scientists finally have proof of mysterious immune cell in humans Source link Scientists finally have proof of mysterious immune cell in humans

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