T HELPER FACTOR
\tˈiː hˈɛlpə fˈaktə], \tˈiː hˈɛlpə fˈaktə], \t_ˈiː h_ˈɛ_l_p_ə f_ˈa_k_t_ə]\
Definitions of T HELPER FACTOR
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A soluble factor produced by monocytes, macrophages, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. IL-1 consists of two distinct forms, IL-1 alpha and IL-1 beta which perform the same functions but are distinct proteins. The biological effects of IL-1 include the ability to replace macrophage requirements for T-cell activation. The factor is distinct from INTERLEUKIN-2.
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