Human immunodeficiency virus infection alters tumor necrosis factor alpha production via Toll-like receptor-dependent pathways in alveolar macrophages and U1 cells.Nicol, Marlynne Q; Mathys, Jean-Marie; Pereira, Albertina; Ollington, Kevin; Ieong, Michael H; Skolnik, Paul R Journal of virology 2008 Aug;82(16):7790-8 Tumor necrosis factor alpha leads to increased cell surface expression of CXCR4 in SK-N-MC cells.Rostasy, Kevin; Gorgun, Gullue; Kleyner, Yelena; Garcia, Anthony; Kramer, Michael; Melanson, Suzanne M; Mathys, Jean Marie; Yiannoutsos, Constantin; Skolnik, Paul R; Navia, Bradford A Journal of neurovirology 2005 Jul;11(3):247-55 Stimulation of peroxisome proliferator-activated receptors alpha and gamma blocks HIV-1 replication and TNFalpha production in acutely infected primary blood cells, chronically infected U1 cells, and alveolar macrophages from HIV-infected subjects.Skolnik, Paul R; Rabbi, Mohammed F; Mathys, Jean-Marie; Greenberg, Andrew S Journal of acquired immune deficiency syndromes (1999) 2002 Sep;31(1):1-10