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Figure 2 | Arthritis Research & Therapy

Figure 2

From: (Sub)clinical cardiovascular disease is associated with increased bone loss and fracture risk; a systematic review of the association between cardiovascular disease and osteoporosis

Figure 2

Vascular calcification. Vascular calcification is an active process regulated by factors known to be involved in the process of osteogenesis. Vascular smooth muscle cells are able to differentiate towards osteoblast-like cells, promoted by a variety of stimuli, including BMP, RANKL, oxidative stress, inflammation and estrogen deficiency. These osteoblastic cells produce osteocalcin and ALP, important factors in mineralisation. # Excessive vitamin D promotes mineralisation. * It is not clear whether OPN promotes or inhibits calcification in the arterial wall, in bone mineralisation it is a known mineralisation inhibitor. Abbreviations: ALP, alkaline phosphatase; BMP, bone morphogenetic protein; Cbfa1, core binding factor-α1; MGP, matrix GLA protein; Msx2, msh homeobox 2; OPG, osteoprotegerin; OPN, osteopontin; ox-LDL, oxidized low density lipoprotein; RANKL, receptor activator of nuclear factor-B ligand; VSMC, vascular smooth muscle cell; Wnt, combination of wingless and Int.

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Arthritis Research & Therapy

ISSN: 1478-6362

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