Tagging T Cells—TH1 or TH2?

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Science  14 Mar 1997:
Vol. 275, Issue 5306, pp. 1615
DOI: 10.1126/science.275.5306.1615

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Two papers in the Journal of Experimental Medicine report the identification of a marker on the cell surface of T helper cells that can distinguish between the two main cell types, TH1 and TH2. This marker, the IL-12 receptor beta chain, will be useful for monitoring these important cell types, as well as providing a potential therapeutic target.