Atlas One · Host Biology · Scale 03 — Molecular

IL-2

IL-2 (IL2, chr4q26) is the canonical T cell growth factor; signals via IL-2Rα/β/γc → JAK1/JAK3/STAT5 → proliferation. Low-dose expands Tregs (clinical trials in SLE, GVHD); high-dose aldesleukin approved for metastatic RCC and melanoma (FDA 1992/1998).

Also known as: IL-2, interleukin-2, T cell growth factor, aldesleukin, Proleukin, TCGF

Scale 03 — MolecularScale
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2026-06-07Last Reviewed
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il-2

IL-2

IL-2 (IL2, chr4q26) is the canonical T cell growth factor; signals via IL-2Rα/β/γc → JAK1/JAK3/STAT5 → proliferation. Low-dose expands Tregs (clinical trials in SLE, GVHD); high-dose aldesleukin approved for metastatic RCC and melanoma (FDA 1992/1998).