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miR-10b and miR-223-3p in serum microvesicles signal progression from prediabetes to type 2 diabetes.
Journal of Endocrinological Investigation ( IF 3.9 ) Pub Date : null , DOI: 10.1007/s40618-019-01129-z
M Parrizas 1, 2 , X Mundet 3, 4, 5 , C Castaño 1, 2 , S Canivell 4, 6, 7 , X Cos 4, 6 , L Brugnara 1, 2 , C Giráldez-García 3, 8, 9 , E Regidor 3, 9, 10, 11 , M Mata-Cases 1, 3, 4, 12 , J Franch-Nadal 1, 3, 4, 13 , A Novials 1, 2
Affiliation  

PURPOSE Type 2 diabetes frequently remains undiagnosed for years, whereas early detection of affected individuals would facilitate the implementation of timely and cost-effective therapies, hence decreasing morbidity. With the intention of identifying novel diagnostic biomarkers, we characterized the miRNA profile of microvesicles isolated from retroactive serum samples of normoglycemic individuals and two groups of subjects with prediabetes that in the following 4 years either progressed to overt diabetes or remained stable. METHODS We profiled miRNAs in serum microvesicles of a selected group of control and prediabetic individuals participating in the PREDAPS cohort study. Half of the subjects with prediabetes were diagnosed with diabetes during the 4 years of follow-up, while the glycemic status of the other half remained unchanged. RESULTS We identified two miRNAs, miR-10b and miR-223-3p, which target components of the insulin signaling pathway and whose ratio discriminates between these two subgroups of prediabetic individuals at a stage at which other features, including glycemia, are less proficient at separating them. In global, the profile of miRNAs in microvesicles of prediabetic subjects primed to progress to overt diabetes was more similar to that of diabetic patients than the profile of prediabetic subjects who did not progress. CONCLUSION We have identified a miRNA signature in serum microvesicles that can be used as a new screening biomarker to identify subjects with prediabetes at high risk of developing diabetes, hence allowing the implementation of earlier, and probably more effective, therapeutic interventions.

中文翻译:

血清微泡中的 miR-10b 和 miR-223-3p 表明从前驱糖尿病到 2 型糖尿病的进展。

目的 2 型糖尿病常常多年未确诊,而早期发现受影响的个体将有助于实施及时且具有成本效益的治疗,从而降低发病率。为了识别新的诊断生物标志物,我们对从血糖正常的个体和两组糖尿病前期受试者的追溯血清样本中分离出的微泡的 miRNA 谱进行了表征,这些受试者在接下来的 4 年中要么发展为明显的糖尿病,要么保持稳定。方法 我们分析了参与 PREDAPS 队列研究的一组选定对照组和糖尿病前期个体的血清微泡中的 miRNA。在 4 年的随访期间,一半患有前驱糖尿病的受试者被诊断出患有糖尿病,而另一半的血糖状况保持不变。结果 我们确定了两种 miRNA,miR-10b 和 miR-223-3p,它们靶向胰岛素信号通路的成分,并且它们的比率在这两个前驱糖尿病个体亚组之间存在差异,在该阶段其他特征(包括血糖)不太熟练将它们分开。在全球范围内,与未进展的前驱糖尿病受试者相比,准备发展为明显糖尿病的前驱糖尿病受试者的微泡中 miRNA 的谱与糖尿病患者的谱更相似。结论 我们已经确定了血清微泡中的 miRNA 特征,该特征可用作新的筛选生物标志物,以识别具有糖尿病高风险的前驱糖尿病受试者,从而允许实施更早且可能更有效的治疗干预。在其他特征(包括血糖)不太擅长将它们分开的阶段,哪些靶向胰岛素信号通路的成分以及它们的比例区分了这两个糖尿病前期个体亚组。在全球范围内,与未进展的前驱糖尿病受试者相比,准备发展为明显糖尿病的前驱糖尿病受试者的微泡中 miRNA 的谱与糖尿病患者的谱更相似。结论 我们已经确定了血清微泡中的 miRNA 特征,该特征可用作新的筛选生物标志物,以识别具有糖尿病高风险的前驱糖尿病受试者,从而允许实施更早且可能更有效的治疗干预。在其他特征(包括血糖)不太擅长将它们分开的阶段,哪些靶向胰岛素信号通路的成分以及它们的比例区分了这两个糖尿病前期个体亚组。在全球范围内,与未进展的前驱糖尿病受试者相比,准备进展为明显糖尿病的前驱糖尿病受试者的微泡中 miRNA 的谱与糖尿病患者的谱更相似。结论 我们已经确定了血清微泡中的 miRNA 特征,该特征可用作新的筛选生物标志物,以识别具有糖尿病高风险的前驱糖尿病受试者,从而允许实施更早且可能更有效的治疗干预。
更新日期:2020-03-12
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