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Diabetes Mellitus and Cardiovascular Disease.

ABSTRACT: Cardiovascular disease remains a leading cause of morbidity and mortality in people with types 1 or 2 diabetes mellitus. Although beneficial roles for strict control of hyperglycemia have been suggested, such a strategy is not without liabilities. Specifically, the risk of hypoglycemia and its consequences remain an omnipresent threat with such approaches. The advent of the CVOT (Cardiovascular Outcomes Trials) for new antidiabetes mellitus treatments has uncovered unexpected benefits of cardiovascular protection in some of the new classes of agents, such as the GLP-1 RAs (glucagon-like peptide-1 receptor agonists) and the SGLT-2 (sodium-glucose cotransporter-2) inhibitors. Further, state-of-the-art approaches, such as antibodies to PCKSK9 (proprotein convertase subtilisin-kexin type 9); RNA therapeutics; agents targeting distinct components of the immune/inflammatory response; and novel small molecules that block the actions of RAGE (receptor for advanced glycation end products) signaling, also hold potential as new therapies for diabetes mellitus and cardiovascular disease. Finally, interventions such as weight loss, through bariatric surgery, may hold promise for benefit in diabetes and cardiovascular disease. In this Brief Review, some of the novel approaches and emerging targets for the treatment of diabetes mellitus and cardiovascular disease are discussed. Ultimately, identification of the optimal timing and combinations of such interventions, especially in the context of personalized approaches, together with emerging disease-modifying agents, holds great promise to reduce the burden that diabetes poses to the cardiovascular system.

SUBMITTER: Schmidt AM

PROVIDER: S-EPMC6532416 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Diabetes Mellitus and Cardiovascular Disease.

Schmidt Ann Marie AM

Arteriosclerosis, thrombosis, and vascular biology 20190401 4

Cardiovascular disease remains a leading cause of morbidity and mortality in people with types 1 or 2 diabetes mellitus. Although beneficial roles for strict control of hyperglycemia have been suggested, such a strategy is not without liabilities. Specifically, the risk of hypoglycemia and its consequences remain an omnipresent threat with such approaches. The advent of the CVOT (Cardiovascular Outcomes Trials) for new antidiabetes mellitus treatments has uncovered unexpected benefits of cardiov ...[more]

PMID: 30786741

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Project description:Type 2 diabetes mellitus (DM) is a common metabolic disorder predisposing to diabetic cardiomyopathy and atherosclerotic cardiovascular disease (CVD), which could lead to heart failure through a variety of mechanisms, including myocardial infarction and chronic pressure overload. Pathogenetic mechanisms, mainly linked to hyperglycemia and chronic sustained hyperinsulinemia, include changes in metabolic profiles, intracellular signaling pathways, energy production, redox status, increased susceptibility to ischemia, and extracellular matrix remodeling. The close relationship between type 2 DM and CVD has led to the common soil hypothesis, postulating that both conditions share common genetic and environmental factors influencing this association. However, although the common risk factors of both CVD and type 2 DM, such as obesity, insulin resistance, dyslipidemia, inflammation, and thrombophilia, can be identified in the majority of affected patients, less is known about how these factors influence both conditions, so that efforts are still needed for a more comprehensive understanding of this relationship. The genetic, epigenetic, and environmental backgrounds of both type 2 DM and CVD have been more recently studied and updated. However, the underlying pathogenetic mechanisms have seldom been investigated within the broader shared background, but rather studied in the specific context of type 2 DM or CVD, separately. As the precise pathophysiological links between type 2 DM and CVD are not entirely understood and many aspects still require elucidation, an integrated description of the genetic, epigenetic, and environmental influences involved in the concomitant development of both diseases is of paramount importance to shed new light on the interlinks between type 2 DM and CVD. This review addresses the current knowledge of overlapping genetic and epigenetic aspects in type 2 DM and CVD, including microRNAs and long non-coding RNAs, whose abnormal regulation has been implicated in both disease conditions, either etiologically or as cause for their progression. Understanding the links between these disorders may help to drive future research toward an integrated pathophysiological approach and to provide future directions in the field.

Project description:The objective of the present study was to establish if individuals with Diabetes Mellitus (DM2) and periodontal diseases (gingivitis or periodontitis) presented an increase in the concentration of modified LDL (moLDL) and what is the influence of periodontal treatment on the decrease of moLDL particles with consequent improvement in the parameters of DM2. Twenty-four diabetic patients with periodontitis (Group 1) and twenty-four diabetic patients with gingivitis (Group 2) were followed up for a period of 12 months. Group 1 was treated with periodontal debridement, and Group 2 received supra-gingival scaling and prophylaxis. In both groups, periodontal clinical parameters: probing depth (PD), clinical attachment level (CAL), gingival resection (GR), bleeding on probing index (BOP) and plaque index; inflammatory serum markers (glycemia, A1c, total cholesterol, HDL-cholesterol (HDL-c), LDL-cholesterol (LDL-c), triglycerides and hs-CRP) and oxidized LDL (oxLDL) were measured at baseline, t = 6 and t = 12 months after treatment. Solutions of LDL were analyzed using the nonlinear optical Z-Scan and optical absorption techniques. The periodontal clinical parameters showed significant improvement (p < 0.05) in both Group after 12 months. For both groups, total cholesterol, HDL-c, LDL-c, triglycerides and A1c levels did not show significant reductions after periodontal therapy. hs-CRP levels in Group 1 presented a significant reduction after 12 months. The glycemic rate and the oxLDL concentrations did not show significant differences as a function of time. The optical measurements of LDL solutions revealed an improvement of the LDL-c quality in both groups. Periodontal debridement was able to improve periodontal parameters and the quality of LDL-c in diabetic patients but without changes in the oxLDL concentration in both groups. Considering the clinical relevance, the reduction of infectious and inflammatory sites present in the oral cavity through periodontal therapy may help with the control and prevention of hyperglycemia and precursors of cardiovascular diseases.

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Diabetes Mellitus and Cardiovascular Disease.

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Diabetes Mellitus and Cardiovascular Disease.

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