Transendothelial migration of myeloma cells is increased by tumor necrosis factor (TNF)-alpha via TNF receptor 2 and autocrine up-regulation of MCP-1. Posted byadmin 27. July 2020 Jöhrer K, Janke K, Krugmann J, Fiegl M, Greil R. http://www.ncbi.nlm.nih.gov/pubmed/15041705