sentences:  IL-10 inhibits the secretion of pro-inflammatory cytokines TNF-alpha and INF-gamma, thus suppressing the proliferation of T-cells, NK cells, and AM.IL-10 shares similar immunomodulating mechanisms to TGF-β.It is thought that both cytokines reduce the rate of apoptosis in human alveolar macrophages, thus indirectly enhancing alveolar macrophage-mediated inhibition of T-cell proliferation.