Interleukin 6 is an interleukin that acts as both a pro-inflammatory cytokine and an anti-inflammatory myokine. In humans, it is encoded by the IL6 gene. In addition, osteoblasts secrete IL-6 to stimulate osteoclast formation. From Wikipedia
Viral IL-6 release appears to wake breast cancer cells in the lungs, prompting calls to test IL-6 inhibitors as a means to prevent relapse
