Lipopolysaccharides (LPS) induce the differentiation of human monocytes to osteoclasts in a tumour necrosis factor (TNF) alpha-dependent manner: a link between infection and pathological bone resorption.

Abstract excerpt

The degradation of bone is a serious consequence of persistent bacterial infection, including periodontitis, infection-associated non-unions or osteomyelitis. To test the hypothesis that infection and inflammatory conditions promote the differentiation of monocytes to bone-resorbing osteoclasts, highly purified monocytes, or alternatively, cells of the promyeloid cell line U937, differentiated to monocyte-like...

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