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Effects of SGLT2 Inhibitors and DPP-4 Inhibitors on Advanced Glycation End Products
Masataka Kusunoki1, Fumiya Hisano2, Shin-Ichi Matsuda3
1Department of Diabetes, Motor Function and Metabolism, Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya City, Aichi, Japan.
Sodium glucose cotransporter 2 (SGLT2) inhibitors significantly reduced advanced glycation end products (AGEs), a risk factor for cardiovascular disorders, in type 2 diabetes patients. Dipeptidyl peptidase-4 (DPP-4) inhibitors did not show this effect.
Area of Science:
- Endocrinology
- Cardiology
- Metabolic Disorders
Background:
- Sodium glucose cotransporter 2 (SGLT2) inhibitors are known to reduce heart failure and cardiovascular death in diabetic patients.
- Dipeptidyl peptidase-4 (DPP-4) inhibitors have fewer reported cardiovascular benefits.
- Advanced glycation end products (AGEs) are established risk factors for cardiovascular disorders.
Purpose of the Study:
- To investigate the differential effects of SGLT2 inhibitors and DPP-4 inhibitors on AGEs in patients with type 2 diabetes mellitus.
- To explore the potential role of AGE reduction in the cardiovascular protective effects of SGLT2 inhibitors.
Main Methods:
- A comparative study involving two groups of type 2 diabetes mellitus patients treated with either SGLT2 inhibitors or DPP-4 inhibitors for 3 months.
- Measurement of AGEs, specifically methylglyoxal-derived hydroimidazolone-1 (MG-H1), and diabetes-related parameters (HbA1c) before and after treatment.
Main Results:
- SGLT2 inhibitor treatment led to significant reductions in both HbA1c and MG-H1 levels.
- DPP-4 inhibitor treatment resulted in a significant decrease in HbA1c but no significant change in MG-H1 levels.
- A notable inverse correlation between SGLT2 inhibitor use and MG-H1 levels was observed.
Conclusions:
- SGLT2 inhibitors effectively reduce both glycemic control (HbA1c) and AGEs (MG-H1) in type 2 diabetes patients.
- The cardiovascular protective effects of SGLT2 inhibitors may be partly attributed to their ability to lower AGE levels.
- DPP-4 inhibitors do not significantly impact AGE levels, suggesting a different mechanism of action regarding cardiovascular risk.
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