研究發現2型糖尿病潛在發生指標
作者:
小柯機器人發布時間:2021/1/6 16:44:13
德國蒂賓根大學慕尼黑亥姆霍茲中心糖尿病研究與代謝疾病研究所Robert Wagner研究組,發現2型糖尿病高風險個體的基於病理生理學的亞表型。這一研究成果發表在2021年1月5日出版的《自然-醫學》雜誌上。
他們對來自廣泛表型人群的口服糖耐量測試、MRI測量的體脂分布、肝脂肪含量和遺傳風險進行了變量劃分,從而發現了2型糖尿病的高風險人群,以確定六個不同的亞表型群。已鑑別的三種亞表型的血糖升高(第3、5和6組),但只有第5和3組中的個體有即將發生糖尿病的風險。相比之下,第6組中的人具有2型糖尿病的中度風險,但腎臟疾病和全因死亡率的風險增加。使用簡單的擬人和血糖構建體在一個獨立的隊列中發現類似結果。
這項概念驗證研究表明,在診斷2型糖尿病之前就存在病理生理學異質性,並著重指出了一組併發症風險增加而沒有迅速發展為2型糖尿病的個體。
據介紹,中度高血糖狀態表明發生2型糖尿病的風險增加。但是,目前對糖尿病的定義既不能反映2型糖尿病的病理生理亞表型,也不能預測未來的代謝軌跡。
附:英文原文
Title: Pathophysiology-based subphenotyping of individuals at elevated risk for type 2 diabetes
Author: Robert Wagner, Martin Heni, Adam G. Tabk, Jrgen Machann, Fritz Schick, Elko Randrianarisoa, Martin Hrab de Angelis, Andreas L. Birkenfeld, Norbert Stefan, Andreas Peter, Hans-Ulrich Hring, Andreas Fritsche
Issue&Volume: 2021-01-04
Abstract: The state of intermediate hyperglycemia is indicative of elevated risk of developing type 2 diabetes1. However, the current definition of prediabetes neither reflects subphenotypes of pathophysiology of type 2 diabetes nor is predictive of future metabolic trajectories. We used partitioning on variables derived from oral glucose tolerance tests, MRI-measured body fat distribution, liver fat content and genetic risk in a cohort of extensively phenotyped individuals who are at increased risk for type 2 diabetes2,3 to identify six distinct clusters of subphenotypes. Three of the identified subphenotypes have increased glycemia (clusters 3, 5 and 6), but only individuals in clusters 5 and 3 have imminent diabetes risks. By contrast, those in cluster 6 have moderate risk of type 2 diabetes, but an increased risk of kidney disease and all-cause mortality. Findings were replicated in an independent cohort using simple anthropomorphic and glycemic constructs4. This proof-of-concept study demonstrates that pathophysiological heterogeneity exists before diagnosis of type 2 diabetes and highlights a group of individuals who have an increased risk of complications without rapid progression to overt type 2 diabetes. Clustering of patients with prediabetes using simple clinical features reveals six distinct groups with differing risk of developing type 2 diabetes and its associated complications.
DOI: 10.1038/s41591-020-1116-9
Source: https://www.nature.com/articles/s41591-020-1116-9