Interleukin-6 fragment (human) is a pleiotropic cytokine produced by lymphocytes and non-lymphocytes. The Interleukin-6 fragment (human) coding gene is located on human chromosome 7, with a length of approximately 5 kilobases. Interleukin-6 fragment (human) has potential applications in immune response, acute response, inflammation, tumors, and hematopoiesis.