<prompt> Proliferation and survival of myeloma cells are dependent on which of the following cytokines?IL-1IL-6IL-2IL-5  <response>: 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 