Scrip's Rough Guide To IL-2: Mother Of All Cytokines

Nektar Therapeutics, Alkermes and Roche are among the companies with new solutions for more safely targeting an old cytokine well validated in cancer immunotherapy. Top execs explain how and why.

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Interleukin-2 is a small protein that stimulates cell signaling in the immune system

Interleukin-2 traditionally has been associated with nasty toxicities like the potentially fatal, flu-like cytokine release syndrome, but these days – with Nektar Therapeutics' NKTR-214 up on a pedestal – it's drawing feverish interest from investors.

Interleukin-2 (IL-2) is a type of cytokine, a small protein made by immune cells that is central to cell signaling and drives the generation of lymphocytes

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