Association between nitrated lipoproteins and vascular function in type 2 diabetes

Ajibola Adedayo, Ayobami Eluwole, Fasika Tedla, Arye Kremer, Nicole Mastrogiovanni, Muhammad Khan, Carl Rosenberg, Paul Dreizen, John La Rosa, Louis Salciccioli, Mohamed Boutjdir, Mary Ann Banerji, Clinton Brown, Moro Salifu, Jason Lazar, Ahmed Bakillah

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Higher levels of nitrated lipoproteins (NT-HDL and NT-LDL) were found in blood and atherosclerotic plaques of patients with coronary artery disease. We aimed to examine the relationship between plasma NT-HDL and NT-LDL and diabetic vascular dysfunction. The study included 125 African-American patients with T2DM. NT-HDL and NT-LDL were quantified by ELISA. Microvascular function was assessed by vascular reactivity index (VRI). Large artery stiffness was assessed by carotid-femoral pulse wave velocity (PWV). Carotid intima-media thickness (CIMT) was assessed by B-mode ultrasound imaging. In univariate analysis, NT-HDL was associated with VRI in total population and in patients with HbA1c ≤7.0% (β= -0.178, p= 0.034; β= -0.265, p= 0.042; respectively). In contrast, NT-LDL was associated with CIMT in total population and in patients with HbA1c >7.0% (β= -0.205, p= 0.022; β= -0.244, p= 0.042; respectively). Multivariable-adjusted regression analysis demonstrated that NT-HDL independently predicted VRI outcome in total population and in well-controlled patients (β= -0.282, p= 0.014; β= -0.400, p= 0.035, respectively). These results suggest that NT-HDL could be used as marker to identify diabetic patients at risk of developing early microvascular complications.

Original languageEnglish
Pages (from-to)644-663
Number of pages20
JournalFrontiers in Bioscience - Landmark
Volume26
Issue number4
DOIs
StatePublished - 1 Jan 2021
Externally publishedYes

Keywords

  • African-Americans
  • Biomarkers
  • Cardiovascular Disease
  • Endothelium Function
  • Lipoproteins
  • Myeloperoxidase
  • Nitration
  • Nitric Oxide
  • Type 2 diabetes
  • Vascular Complications

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