期刊
NUTRIENTS
卷 13, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/nu13061886
关键词
T2DM; soy isoflavones; lipid profile; total cholesterol; HDL-C; LDL-C; triacylglycerol; glycemic control; HbA1c; HOMA-IR
The study found that soy protein and isoflavones have significant effects in reducing total cholesterol and LDL-C concentrations, but their impact on HDL-C and triglyceride levels is not significant. However, the effects on glucose and insulin metabolism are not significant. Therefore, larger and longer studies are still needed to determine their benefits in glucose and lipid metabolism.
The aim of the report was to investigate the impact of soy protein and isoflavones on glucose homeostasis and lipid profile in type 2 diabetes. The studies used in this report were identified by searching through the MEDLINE and EMBASE databases (up to 2020). Meta-regression and subgroup analyses were performed to explore the influence of covariates on net glycemic control and lipid changes. Weighted mean differences and 95% confidence intervals (CI) were calculated by using random-effect models. Changes in the lipid profile showed statistically significant decreases in total cholesterol and LDL-C concentrations: -0.21 mmol/L; 95% CI, -0.33 to -0.09; p = 0.0008 and -0.20 mmol/L; 95% CI, -0.28 to -0.12; p < 0.0001, respectively, as well as in HDL-C (-0.02 mmol/L; 95% CI, -0.05 to 0.01; p = 0.2008 and triacylglycerols (-0.19 mmol/L; 95% CI, -0.48 to 0.09; p = 0.1884). At the same time, a meta-analysis of the included studies revealed statistically insignificant reduction in fasting glucose, insulin, HbA1c, and HOMA-IR (changes in glucose metabolism) after consumption of soy isoflavones. The observed ability of both extracted isoflavone and soy protein with isoflavones to modulate the lipid profile suggests benefits in preventing cardiovascular events in diabetic subjects. Further multicenter studies based on larger and longer duration studies are necessary to determine their beneficial effect on glucose and lipid metabolism.
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