インターロイキン-21
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“Cytokines: IL-21 joins the gamma(c)-dependent network?”. Current Biology 11 (5): R175-7. (March 2001). doi:10.1016/S0960-9822(01)00087-2. PMID 11267886.
“Cutting edge: the common gamma-chain is an indispensable subunit of the IL-21 receptor complex”. Journal of Immunology 167 (1): 1–5. (July 2001). doi:10.4049/jimmunol.167.1.1. PMID 11418623.
“IL-21 up-regulates the expression of genes associated with innate immunity and Th1 response”.