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...






