title: RANKL-OPG and RAGE modulation in vascular calcification and diabetes: novel targets for therapy.
abstract: Type 2 diabetes is associated with increased cardiovascular morbidity and mortality and early vascular ageing. This takes the form of atherosclerosis, with progressive vascular calcification being a major complication in the pathogenesis of this disease. Current research and drug targets in diabetes have hitherto focused on atherosclerosis, but vascular calcification is now recognised as an independent predictor of cardiovascular morbidity and mortality. An emerging regulatory pathway for vascular calcification in diabetes involves the receptor activator for nuclear factor κB (RANK), RANK ligand (RANKL) and osteoprotegerin (OPG). Important novel biomarkers of calcification are related to levels of glycation and inflammation in diabetes. Several therapeutic strategies could have advantageous effects on the vasculature in patients with diabetes, including targeting the RANKL and receptor for AGE (RAGE) signalling pathways, since there has been little success-at least in macrovascular outcomes-with conventional glucose-lowering therapy. There is substantial and relevant clinical and basic science evidence to suggest that modulating RANKL-RANK-OPG signalling, RAGE signalling and the associated proinflammatory milieu alters the natural course of cardiovascular complications and outcomes in people with diabetes. However, further research is critically needed to understand the precise mechanisms underpinning these pathways, in order to translate the anti-calcification strategies into patient benefit.
authors.affiliation: Department of Medicine and Diabetes, Manchester Royal Infirmary, Manchester, UK, agbor.ako@manchester.ac.uk.
authors.forename: Agbor
authors.initials: A
authors.lastname: Ndip
authors.forename: Fiona L
authors.initials: FL
authors.lastname: Wilkinson
authors.forename: Edward B
authors.initials: EB
authors.lastname: Jude
authors.forename: Andrew J M
authors.initials: AJ
authors.lastname: Boulton
authors.forename: M Yvonne
authors.initials: MY
authors.lastname: Alexander
mesh_terms: D000818:Animals; D003924:Diabetes Mellitus, Type 2 / Q000378:metabolism*; D006801:Humans; D053244:Osteoprotegerin / Q000378:metabolism; D053245:RANK Ligand / Q000378:metabolism*; D000067759:Receptor for Advanced Glycation End Products; D011971:Receptors, Immunologic / Q000378:metabolism*; D015398:Signal Transduction / Q000502:physiology; D061205:Vascular Calcification / Q000378:metabolism*
chemical_list: D053244:Osteoprotegerin; D053245:RANK Ligand; D000067759:Receptor for Advanced Glycation End Products; D011971:Receptors, Immunologic
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