Proliferation and survival of myeloma cells are dependent on which of the following cytokines?: (A) IL-1, (B) IL-6, (C) IL-2, (D) IL-5
Answer is B. IL-6 helps in survival and proliferation of myeloma cells Other options: IL 5 - chemoattractant for eosinophils IL-1 - recruits leukocytes and thus induces inflammation IL-2 - a growth factor for T lymphocytes