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The osteoprotegerin/RANK/RANKL system: a bone key to vascular disease

Stefan Kiechl1, Philipp Werner, Michael Knoflach

  • 1Medical University Innsbruck, Department of Neurology, Anichstr. 35, A-6020 Innsbruck, Austria. Stefan.Kiechl@i-med.ac.at

Expert Review of Cardiovascular Therapy
|December 19, 2006
PubMed

Insights

The osteoprotegerin (OPG)/receptor activator of NF-kappaB ligand (RANKL) pathway is linked to vascular diseases like atherosclerosis. OPG serum levels may predict vascular risk, while RANKL could be a therapeutic target.

Area of Science:

  • Biomedical Science
  • Cardiovascular Research
  • Bone Biology

Background:

  • Osteoporosis and vascular disease frequently coexist, suggesting underlying pathophysiological links.
  • The osteoprotegerin (OPG)/receptor activator of NF-kappaB (RANK)/receptor activator of NF-kappaB ligand (RANKL) system regulates bone homeostasis.
  • This cytokine network is increasingly implicated in various vascular conditions, including atherosclerosis and cardiovascular diseases.

Purpose of the Study:

  • To explore the pathophysiological links between bone homeostasis regulators and vascular disease.
  • To investigate the role of the OPG/RANK/RANKL axis in vascular calcification and atherosclerosis.
  • To evaluate the potential of OPG and RANKL as biomarkers and therapeutic targets for cardiovascular diseases.

Main Methods:

  • Review of epidemiological and basic research findings.
  • Analysis of the role of the OPG/RANK/RANKL axis in vascular pathophysiology.
  • Assessment of OPG serum levels as a biomarker for vascular risk.
  • Consideration of RANKL as a therapeutic target.

Main Results:

  • The OPG/RANK/RANKL network plays an active role in vascular pathophysiology, including atherosclerosis.
  • OPG serum levels are a stable indicator of OPG/RANK/RANKL axis activity and may serve as a biomarker for vascular risk and prognosis.
  • RANKL is identified as a potential target for novel therapeutic interventions.

Conclusions:

  • The OPG/RANK/RANKL axis is a significant factor in vascular pathophysiology, linking bone and vascular health.
  • OPG serum levels offer a reliable biomarker for assessing vascular risk and prognosis.
  • Targeting RANKL presents a promising avenue for developing new therapies for cardiovascular diseases.

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