Angiopoetin-like Protein 2 Levels Predict Death Risk in Type 2 Diabetes Patients

Type 2 diabetes patients with increased levels of angiopoetin-like protein 2 (Angplt2), growth factor protein have a higher risk of death risk.

Type 2 diabetes patients with increased levels of angiopoetin-like protein 2 (Angplt2), growth factor protein have a higher risk of death risk and serious cardiovascular events.

The research is by Dr Barnabas Gellen and Dr Mathilde Fraty, Polyclinique de Poitiers, Poitiers, France, and colleagues.

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‘ANGPTL2 protein is a promising candidate biomarker for improving risk stratification in type 2 diabetes patients, and may prove to be a valuable therapeutic target. ’

Angiopoietin-like 2 (Angptl2) is a proinflammatory circulating protein that plays an important role in formation of blood vessels, insulin-resistance and atherosclerosis. In this study, the authors examined if in patients with type 2 diabetes, levels of Angptl2 could help establish a person's increased risk of death.

The followed consecutively recruited T2DM patients from the SURDIAGENE study, a French study aiming identify the genetic and environmental determinants of microvascular and macrovascular complications in type 2 diabetes. Patients were analysed for all-cause death as a primary end-point, and the combined outcome of cardiovascular (CV) death, myocardial infarction (MI), and stroke (Major CV Adverse Events or MACE) as a secondary end-point. For each patient, Angioptl2 level was evaluated at baseline.

A total of 1353 T2DM patients (58% men) aged a mean of 64 years were followed up for a median of 6.0 years. During follow up, 367 patients (representing 4.5% of the total person-years, a standard measure of incidence) died and 290 patients (representing 3.7% of the total person-years) presented with MACE.

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When patients were divided into quartiles (Q) accordingly to baseline Angptl2 concentration, patients with Angptl2 concentrations of 19.5 ng/ml or higher (Q4-the highest 25%) had around a 2.5 times increased risk of death and MACE compared with those with Angptl2 concentrations of less than 19.5 ng/ml (in Q1-Q3 combined, the lowest 75%) after adjustment for sex, age, and established CV risk factors.

The authors say: "In patients with type 2 diabetes, serum ANGPTL2 concentrations were independently associated with death and MACE.

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Since concentrations of Angptl2 are not routinely tested for in any patients, including those with type 2 diabetes, the authors say routine testing for this protein is an interesting concept. But they add their results must be confirmed by findings from other trials before any changes to clinical practice are adopted.

Source-Eurekalert

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