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Regulation unmasked by activation

The glycoprotein CD52 is an important target for clinical antibodies, but its receptor and function have remained a mystery. However, it now seems that CD52 may be released in soluble form by a subpopulation of human T cells and may thereby exert an as-yet-unrecognized regulatory function via the inhibitory molecule Siglec-10.

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Figure 1: Possible mechanisms of suppression by soluble CD52.

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Correspondence to Anne Cooke.

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M.C. is one of the inventors of alemtuzumab.

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Clark, M., Cooke, A. Regulation unmasked by activation. Nat Immunol 14, 696–697 (2013). https://doi.org/10.1038/ni.2646

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