An immune response which is associated with resistance to intracellular bacteria with a key role in inflammation and tissue injury. This immune response is associated with pathological autoimmune conditions such as multiple sclerosis, arthritis and psoriasis which is typically orchestrated by the production of particular cytokines by T-helper 17 cells, most notably interleukin-17, IL-21 and IL-22. [ GOC:ebc GOC:BHF ]