Blocking IL-21 has potential to slow down the immune system when in overdrive

Many people suffer from chronic inflammation because their immune systems overreact to 'self' tissue. Sydney scientists believe that a small molecule known as Interleukin 21 is a promising therapeutic target in such cases.Interleukin 21 (IL-21) is one of a group of chemical messengers known as 'cytokines', which affect the behaviour of immune cells.

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