Adipocyte Lipolysis-stimulated Interleukin-6 Production Requires Sphingosine Kinase 1 Activity - Wenliang Zhang; Emilio P. Mottillo; Jiawei Zhao; Allison Gartung; Garrett C. VanHecke; Jen-Fu Lee; Krishna Rao Maddipati; Haiyan Xu; Young‐Hoon Ahn; Richard L. Proia; James G. Granneman; Menq-Jer Lee (2014)