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Prolactin as a second messenger for interleukin 2
M B Prystowsky1, C V Clevenger
1Department of Pathology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, New York 10467.
The generation of an effective immune response requires the selection and proliferation of antigen-specific lymphocytes. Activation of at least some T lymphocytes involves the sequential stimulation of cell surface receptors, including the T-cell receptor for antigen, the interleukin 2 receptor, and the prolactin receptor. Prolactin signaling in T lymphocytes appears to utilize a classical receptor-mediated kinase cascade and a novel peptide hormone activation pathway involving nuclear translocation.
The generation of an effective immune response requires the selection and proliferation of antigen-specific lymphocytes. Activation of at least some T lymphocytes involves the sequential stimulation of cell surface receptors, including the T-cell receptor for antigen, the interleukin 2 receptor, and the prolactin receptor. Prolactin signaling in T lymphocytes appears to utilize a classical receptor-mediated kinase cascade and a novel peptide hormone activation pathway involving nuclear translocation.