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|Title:||The functional basis of granulocyte-macrophage colony stimulating factor, interleukin-3 and interleukin-5 receptor activation, basic and clinical implications|
|Citation:||International Journal of Biochemistry and Cell Biology, 1999; 31(-):1017-1025|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Abstract:||The cytokines granulocyte-macrophage colony stimulating factor, interleukin-3 and interleukin-5 have overlapping activities on cells expressing their receptors. This is explained by their sharing a receptor signal transduction subunit, beta c. This communal signaling subunit is also required for high affinity binding of all three cytokines. Therapeutic approaches attempting to interfere or modulate haemopoietic cells using cytokines or their analogues can in some instances be limited due to functional redundancy amongst cytokines using shared receptor signaling subunits. Therefore, a better approach would be to develop therapeutics against the shared subunit. Studies examining the GM-CSF, IL-3 and IL-5 receptors have identified the key events leading to functional receptor activation. With this knowledge, it is now possible to identify new targets for the development of a new class of antagonist that blocks the biological activity of all the cytokines utilizing beta c. This approach may be extended to other receptor systems such as IL-4 and IL-13 where receptor activation is dependent on a common signaling and binding subunit.|
|Keywords:||Animals; Humans; Receptors, Cytokine; Receptors, Granulocyte-Macrophage Colony-Stimulating Factor; Receptors, Interleukin-3; Receptors, Interleukin; Ligands; Binding Sites; Receptors, Interleukin-5|
|Appears in Collections:||Medicine publications|
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