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Comparative Study
. 2017 Jan;31(1):241-244.
doi: 10.1016/j.jdiacomp.2016.07.026. Epub 2016 Jul 28.

Increasing the miR-126 Expression in the Peripheral Blood of Patients With Diabetic Foot Ulcers Treated With Maggot Debridement Therapy

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Comparative Study

Increasing the miR-126 Expression in the Peripheral Blood of Patients With Diabetic Foot Ulcers Treated With Maggot Debridement Therapy

Jie Zhang et al. J Diabetes Complications. .

Abstract

Background: miR-126 may increase angiogenesis in patients with diabetic foot ulcers (DFUs) treated with maggot debridement therapy (MDT).

Methods: Real-time quantitative PCR was used to detect expression of miR-126 mRNA in the peripheral blood among the non-diabetic population, type 2 diabetes mellitus patients without DFU, and patients with DFUs of type 2 diabetes mellitus. The expression of miR-126 mRNA in the peripheral blood of patients with DFUs was observed before and after MDT. Finally, human umbilical vein endothelial cells (HUVEC) were utilized to explore miR-126 mRNA expression with maggot excretions/secretions (ES).

Results: In the patients with DFUs, the miR-126 mRNA expression level in the peripheral blood was less than that type 2 diabetes mellitus patients without DFU, and much lower than that in the non-diabetic population (P<0.001). The miR-126 expression level was significantly increased in those DFU patients treated with MDT (P<0.05). Finally, using HUVEC co-cultured with ES, we showed the ES increased miR-126 expression in vitro (P<0.001).

Conclusion: MDT upregulates the miR-126 expression in the peripheral blood of patients with DFUs.

Keywords: Diabetic foot ulcer; Expression; Maggot debridement therapy; miR-126; miRNA.

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