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    Did you mean CD4-positive T cells?
    GlossaryCD4+ T cells (CD4-positive T cells)

    specialized white blood cells that coordinate immune responses

    CD4+ T cells, also known as T helper cells, are a type of white blood cell that plays a crucial role in the immune system. They help coordinate the body's response to infections by signaling other immune cells, such as B cells and cytotoxic T cells, to perform their functions. These cells are essential for mounting an effective immune response and are notably targeted by HIV, which can lead to a weakened immune system.

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