Hypoxia-inducible factor signaling in vascular calcification in chronic kidney disease patients

Sidar Copur1, Duygu Ucku1, Mario Cozzolino2

  • 1Department of Medicine, Koc University School of Medicine, 34010, Istanbul, Turkey.

Journal of Nephrology
|October 8, 2022
PubMed

Insights

Chronic kidney disease (CKD) involves vascular calcification, a condition linked to cardiovascular events. Hypoxia-inducible factor (HIF) signaling is implicated, with HIF stabilizers and SGLT-2 inhibitors showing therapeutic promise.

Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Molecular Biology

Background:

  • Chronic kidney disease (CKD) affects 15% of adults in high-income nations, increasing cardiovascular event risk.
  • Vascular calcification is a major comorbidity in CKD, though its pathophysiology is not fully understood.
  • Hypoxia-inducible factor (HIF) signaling is recognized as a key player in CKD-related inflammation, fibrosis, and vascular calcification.

Purpose of the Study:

  • To review the role of HIF signaling in the development of vascular calcification in CKD.
  • To explore emerging therapeutic strategies targeting HIF signaling for vascular calcification in CKD.

Main Methods:

  • Literature review focusing on the role of HIF signaling in CKD pathophysiology.
  • Analysis of factors influencing HIF signaling, including iron deficiency, mineral levels, FGF-23, and Klotho.
  • Discussion of potential therapeutic interventions such as HIF stabilizers and SGLT-2 inhibitors.

Main Results:

  • HIF signaling influences multiple pathways involved in vascular calcification, including inflammation, angiogenesis, and cellular processes.
  • Factors like iron deficiency anemia, serum phosphorus, calcium, FGF-23, and Klotho modulate HIF activity in CKD.
  • HIF stabilizers and SGLT-2 inhibitors represent promising therapeutic avenues for managing vascular calcification in CKD patients.

Conclusions:

  • HIF signaling is a critical mediator in the pathophysiology of vascular calcification in CKD.
  • Targeting HIF signaling pathways offers potential for novel therapeutic strategies to mitigate cardiovascular risk in CKD patients.

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