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Comment
. 2001 May;107(10):1219-20.
doi: 10.1172/JCI13073.

Osteolysis and cancer

Affiliations
Comment

Osteolysis and cancer

D Goltzman. J Clin Invest. 2001 May.
No abstract available

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Figures

Figure 1
Figure 1
Schematic representation of tumor-cell induced osteolysis. A tumor cell may release soluble mediators such as hormones (e.g., PTHrP), eicosanoids, cytokines (e.g., IL-6), or growth factors (e.g., TGF-α) that act on an osteoblastic stromal cell. The stromal cell produces RANKL, which binds to its cognate receptor, RANK, expressed on osteoclast (Oc) precursors. In the presence of M-CSF, which acts on its receptor, c-fms, RANKL can enhance the formation of active osteoclasts that carry out bone resorption. Tumor cells have also been occasionally reported to directly release sRANKL, a soluble form of RANKL. Additionally, proteases can be produced by tumor cells and facilitate their invasion of nonmineralized tissue.

Comment on

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