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J Clin Med. 2019 Nov 5;8(11). pii: E1875. doi: 10.3390/jcm8111875.

Specific Nuclear Magnetic Resonance Lipoprotein Subclass Profiles and Central Arterial Stiffness in Type 1 Diabetes Mellitus: A Case Control Study.

Author information

1
Department of Endocrinology and Nutrition, Hospital del Mar, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Universitat Autònoma de Barcelona, Pg. Marítim 25-29, 08003 Barcelona, Spain.
2
Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas; (CIBERDEM), Instituto de Salud Carlos III, 8029 Madrid, Spain.
3
Metabolomics Platform IISPV, CIBERDEM. Universitat Rovira i Virgili, Bisofer Teslab Plaça del Prim 10, 43201 Reus, Spain.
4
Department of Endocrinology and Nutrition. Hospital de Sabadell. Corporació Sanitària Parc Taulí. Institut d'Investigació i Innovació Parc Taulí (I3PT) (Universitat Autònoma de Barcelona), Parc Taulí s/n, 08208 Sabadell, Spain.
5
Hospital Universitari Joan XXIII de Tarragona. Institut d'Investigacions Sanitàries Pere Virgili (IISPV). Universitat Rovira i Virgili, C. Dr. Mallafré Guasch 4, 43005 Tarragona, Spain.

Abstract

BACKGROUND:

Dyslipidemia has been associated with vascular complications of type 1 diabetes mellitus (T1DM). We examined the proton nuclear magnetic resonance (NMR)-assessed lipoprotein subclass profiles in subjects with T1DM compared with those of healthy subjects and assessed the potential relationship of these profiles with arterial stiffness.

METHODS:

Eighty-four participants with T1DM of at least 10 years duration and no clinical cardiovascular disease (age: 35-65 years; 50% men) and 42 healthy participants were evaluated for: (1) clinical and anthropometric data (including classical cardiovascular risk factors), (2) insulin sensitivity by estimated glucose disposal rate, (3) microvascular complications, (4) NMR-assessed lipoprotein subclass profile, and (5) arterial stiffness (aortic pulse wave velocity).

RESULTS:

Participants with T1DM had an apparently better conventional lipid profile than healthy participants, but with significant differences in NMR-assessed lipoprotein profiles such as higher triglyceride content of low-density lipoprotein (LDL) and high-density lipoprotein (HDL). In healthy participants, arterial stiffness was associated with NMR-based LDL subclasses. By contrast, in T1DM participants, arterial stiffness was independently associated mainly with NMR-based very-low-density lipoprotein (VLDL) subclasses: positively with total VLDL particles (and subclasses) and VLDL triglyceride content, and negatively with LDL and HDL particle sizes. These results were maintained after adjustments for classical cardiovascular risk factors.

CONCLUSIONS:

Subjects with T1DM, while having an apparently better conventional lipid profile than healthy controls, presented significant alterations in their NMR-assessed lipoprotein profile. The association between arterial stiffness and NMR-assessed lipoprotein profiles also differed in both groups. These results support a potential role of the identified differences in the residual cardiovascular risk in T1DM.

KEYWORDS:

arterial stiffness; cardiovascular risk; lipoprotein subclass profiles; nuclear magnetic resonance spectroscopy; preclinical atherosclerosis; type 1 diabetes mellitus

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