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Association Between Lower Serum Mitsugumin 53 Levels and the Risk of Vascular Calcification in Hemodialysis Patients

Wenwen Ren1, Conghui Liu1, Ying Yan1

  • 1Department of Nephrology, Xuanwu Hospital, Capital Medical University, Beijing, People's Republic of China.

International Journal of Nephrology and Renovascular Disease
|May 13, 2025
PubMed
Abstract

Insights

Lower serum Mitsugumin 53 (MG53) levels are linked to increased abdominal aortic calcification (AAC) risk in hemodialysis patients. This finding highlights MG53

Area of Science:

  • Biochemistry and Molecular Biology
  • Nephrology
  • Cardiovascular Medicine

Background:

  • Mitsugumin 53 (MG53) is recognized for its protective effects in kidney and cardiovascular diseases.
  • The precise mechanisms underlying MG53's protective role, particularly in preventing vascular calcification, remain largely unelucidated.
  • Vascular calcification is a significant complication in patients undergoing hemodialysis (HD).

Purpose of the Study:

  • To investigate the potential association between serum MG53 levels and abdominal aortic calcification (AAC) in patients undergoing hemodialysis (HD).
  • To identify risk factors for AAC in the HD population.

Main Methods:

  • A study cohort included 263 HD patients and 65 healthy controls.
  • Serum MG53 levels were quantified using enzyme-linked immunosorbent assay (ELISA).
  • Abdominal aortic calcification scores (ACCs) were determined from lateral abdominal radiography.

Main Results:

  • HD patients exhibited significantly lower serum MG53 levels compared to healthy individuals.
  • HD patients with AAC showed markedly lower serum MG53 levels than those without AAC.
  • Lower serum MG53, older age, longer dialysis vintage, higher serum TCO2, and higher serum phosphorus were identified as independent risk factors for AAC.

Conclusions:

  • This study establishes a novel correlation between reduced serum MG53 levels and an elevated risk of AAC in HD patients.
  • Independent risk factors for AAC in HD patients include older age, prolonged dialysis vintage, metabolic acidosis, and elevated serum phosphorus.
Keywords:
Mitsugumin 5abdominal aortic calcificationchronic kidney diseasehemodialysis

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