<prompt> All of the following are not false about cytokines, except:Include interleukinsProduced only in sepsisCytokines are polypeptidesCan have paracrine action  <response>: Cytokines Definition Small, water-soluble, signaling proteins glycoproteins secreted by hematopoietic non-hematopoietic cells Also called Interleukins, because they mediate communication between leukocytes Functions Mediate specific cellular interactions and functions of leukocytes Site of action May act on: Cells that produce them autocrine action or On neighboring cells paracrine and rarely At a distance endocrine 