. . . . . . . . . "Stimulation of HIV-1 infected human adipocytes by TNF-alpha and IL-1beta increases the levels of HIV-1 Gag production" . "HIV-1 matrix protein colocalizes with syndecan-2, syndecan-4, and CD44v3 on activated CD4+ T cells to modulate TNF-alpha and IL2 production" . "Stimulation of CD8+ T cells with HIV-1 Gag peptides upregulates perforin and TNF-a expression" . "The Matrix protein of HIV-1 Gag enhances the cytokine-induced production of TNF-alpha" . "HIV-1 Gag virus-like particles expressed by recombinant baculoviruses activate human PBMC to release TNF-alpha in a dose and time dependent manner" . "HIV-1 Matrix enhances the cytokine-induced production of TNF-alpha" . "HIV-1 Matrix slightly enhances TNF-alpha and IFN-gamma secretion induced by IL-15 monocyte stimulation and counteracts IL-4 mediated inhibition in the production of these cytokines" . "upregulates" . "modulates" . "induces release of" . "upregulated by" . .