MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy
Dong Zhang, Zonghuan Li, Zheng Wang, Fanwei Zeng, Weidong Xiao, Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People’s Republic of ChinaCorrespondence: Weidong Xiao; Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, No....
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Dove Medical Press
2019
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oai:doaj.org-article:bb5746ef4add43fbbb3aab973981ee352021-12-02T01:54:16ZMicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy1178-7007https://doaj.org/article/bb5746ef4add43fbbb3aab973981ee352019-09-01T00:00:00Zhttps://www.dovepress.com/microrna-126-a-promising-biomarker-for-angiogenesis-of-diabetic-wounds-peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Dong Zhang, Zonghuan Li, Zheng Wang, Fanwei Zeng, Weidong Xiao, Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People’s Republic of ChinaCorrespondence: Weidong Xiao; Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, No. 169, Donghu Road, Wuchang district, Wuhan, Hubei 430071, People’s Republic of ChinaTel +86 1 870 718 2868; +86 1 350 718 7489Email 1539562641@qq.com yuaixi@whu.edu.cnBackground: Negative pressure wound therapy represents an effective therapy to treat nonhealing diabetic wounds by promoting angiogenesis, of which the mechanism hasn’t been investigated thoroughly. Growing evidence suggests that miRNAs hold great potential to be clinical biomarkers, and miR-126 is an essential angiogenesis regulator in diabetic wound repair.Purpose: Our study aims to explore the effect of NPWT on the expression of miR-126 in the wound tissue and plasma of diabetic rat models and the association between circulating miR-126 and two quantitative indexes of angiogenesis.Methods: Full-thickness excisional wounds were created on the back of diabetic rats. Measure the wound closure and collect the wound tissue and blood for H&E, immunohistochemistry, Western blot and RT-PCR. Here we demonstrated that significantly increased capillary density and arteriolar density in the NPWT group at each specified time-point.Results: In the NPWT group, miR-126 expression was significantly increased on days 3, 5, 7, and 9 (P<0.05). Furthermore, statistically significant increases in VEGF mRNA and protein expression and p-ERK expression, as well as decreased SPRED1 expression, were noted upon treatment with NPWT on day 9. Our data revealed that miR-126 expression in the wound and plasma was significantly associated (P<0.05). Moreover, a positive correlation was also detected between increased levels of circulating miR-126 and arteriolar density, as well as capillary density (P<0.05).Conclusion: The study suggested that miR-126 was upregulated by NPWT and could represent a promising monitoring tool for angiogenesis in diabetic wounds treated with NPWT.Keywords: microRNA-126, negative-pressure wound therapy, diabetic wound healingZhang DLi ZWang ZZeng FXiao WYu ADove Medical PressarticlemicroRNA-126negative-pressure wound therapydiabetic wound healingSpecialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 12, Pp 1685-1696 (2019) |
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microRNA-126 negative-pressure wound therapy diabetic wound healing Specialties of internal medicine RC581-951 |
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microRNA-126 negative-pressure wound therapy diabetic wound healing Specialties of internal medicine RC581-951 Zhang D Li Z Wang Z Zeng F Xiao W Yu A MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| description |
Dong Zhang, Zonghuan Li, Zheng Wang, Fanwei Zeng, Weidong Xiao, Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People’s Republic of ChinaCorrespondence: Weidong Xiao; Aixi YuDepartment of Orthopedics, Zhongnan Hospital of Wuhan University, No. 169, Donghu Road, Wuchang district, Wuhan, Hubei 430071, People’s Republic of ChinaTel +86 1 870 718 2868; +86 1 350 718 7489Email 1539562641@qq.com yuaixi@whu.edu.cnBackground: Negative pressure wound therapy represents an effective therapy to treat nonhealing diabetic wounds by promoting angiogenesis, of which the mechanism hasn’t been investigated thoroughly. Growing evidence suggests that miRNAs hold great potential to be clinical biomarkers, and miR-126 is an essential angiogenesis regulator in diabetic wound repair.Purpose: Our study aims to explore the effect of NPWT on the expression of miR-126 in the wound tissue and plasma of diabetic rat models and the association between circulating miR-126 and two quantitative indexes of angiogenesis.Methods: Full-thickness excisional wounds were created on the back of diabetic rats. Measure the wound closure and collect the wound tissue and blood for H&E, immunohistochemistry, Western blot and RT-PCR. Here we demonstrated that significantly increased capillary density and arteriolar density in the NPWT group at each specified time-point.Results: In the NPWT group, miR-126 expression was significantly increased on days 3, 5, 7, and 9 (P<0.05). Furthermore, statistically significant increases in VEGF mRNA and protein expression and p-ERK expression, as well as decreased SPRED1 expression, were noted upon treatment with NPWT on day 9. Our data revealed that miR-126 expression in the wound and plasma was significantly associated (P<0.05). Moreover, a positive correlation was also detected between increased levels of circulating miR-126 and arteriolar density, as well as capillary density (P<0.05).Conclusion: The study suggested that miR-126 was upregulated by NPWT and could represent a promising monitoring tool for angiogenesis in diabetic wounds treated with NPWT.Keywords: microRNA-126, negative-pressure wound therapy, diabetic wound healing |
| format |
article |
| author |
Zhang D Li Z Wang Z Zeng F Xiao W Yu A |
| author_facet |
Zhang D Li Z Wang Z Zeng F Xiao W Yu A |
| author_sort |
Zhang D |
| title |
MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| title_short |
MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| title_full |
MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| title_fullStr |
MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| title_full_unstemmed |
MicroRNA-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| title_sort |
microrna-126: a promising biomarker for angiogenesis of diabetic wounds treated with negative pressure wound therapy |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/bb5746ef4add43fbbb3aab973981ee35 |
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