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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
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Inactive Matrix Gla Protein in Relation to Renal and Cardiac Functions and Cardiac Valvular Calcification Among Type

Sara Reda1, Olfat Fawzy1, Doaa Sayed1

  • 1Department of Endocrinology and Metabolism, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt.

Clinical Medicine Insights. Endocrinology and Diabetes
|October 17, 2023
PubMed
Abstract

Insights

Elevated inactive Matrix Gla protein (MGP) in type 2 diabetes (T2D) patients correlates with kidney disease and cardiac calcification. This suggests MGP may predict cardiovascular complications in T2D.

Area of Science:

  • Cardiovascular Medicine
  • Nephrology
  • Endocrinology

Background:

  • Matrix Gla protein (MGP) is a key inhibitor of vascular calcification.
  • Vascular calcification is a common complication in type 2 diabetes (T2D).

Purpose of the Study:

  • To investigate the relationship between circulating MGP levels and renal dysfunction, cardiac dysfunction, and echocardiographic calcification score (ECS) in T2D patients.
  • To assess MGP as a potential biomarker for cardiovascular complications in T2D.

Main Methods:

  • Study included 130 participants: 95 T2D patients (with and without diabetic kidney disease - DKD) and 35 healthy controls.
  • Serum MGP levels were measured using ELISA.
  • Renal function (eGFR), cardiac function (echocardiography), and lipid profiles were assessed.

Main Results:

  • T2D patients had significantly higher inactive MGP levels than controls.
  • Inactive MGP levels negatively correlated with eGFR and left ventricular (LV) function, and positively with LV hypertrophy.
  • ECS was higher in T2D patients, particularly those with DKD, and positively correlated with inactive MGP.

Conclusions:

  • Serum inactive MGP may contribute to diabetic kidney disease (DKD) and cardiac valvular calcification in T2D.
  • Inactive MGP shows potential as a diagnostic marker for early prediction of cardiac calcification and LV dysfunction in T2D, especially with DKD.
Keywords:
Inactive MGPcardiac dysfunctioncardiac valvular calcificationdiabetic kidney diseasetype 2 diabetes

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