Alterations in fecal Lactobacillus and Bifidobacterium species in type 2 diabetic patients in Southern China population

粪便 双歧杆菌 乳酸菌 中国 人口 2型糖尿病 微生物学 生物 医学 胃肠病学 细菌 糖尿病 地理 内分泌学 环境卫生 考古 遗传学
作者
Kim‐Anne Lê,Yan Li,Xiaojing Xu,Wanting Yang,Tingting Liu,Xiaoning Zhao,Yongming Tang,Dehong Cai,Vay Liang W. Go,Stephen Pandol,Hongxiang Hui
出处
期刊:Frontiers in Physiology [Frontiers Media SA]
卷期号:3 被引量:88
标识
DOI:10.3389/fphys.2012.00496
摘要

Background: The connection between gut microbiota and metabolism and its role in the pathogenesis of diabetes are increasingly recognized. The objective of this study was to quantitatively measure Bifidobacterium and Lactobacillus species, members of commensal bacteria found in human gut, in type 2 diabetic patients (T2D) patients from Southern China. Methods: Fifty patients with T2D and thirty control individuals of similar BMI were recruited from Southern China. T2D and control subjects were confirmed with both oral glucose tolerance test (OGTT) and HbA1c measurements. Bifidobacterium and Lactobacillus species in feces were measured by real-time quantitative PCR. Data were analyzed with STATA 11.0 statistical software. Results: In comparison to control subjects T2D patients had significantly more total Lactobacillus (+18%), L. bugaricus (+13%), L. rhamnosum (+37%) and L. acidophilus (+48%) (P <0.05). In contrast, T2D patients had less amounts of total Bifidobacteria (-7%) and B. adolescentis (-12%) (P <0.05). Cluster analysis showed that gut microbiota pattern of T2D patients is characterized by greater numbers of L. rhamnosus and L. acidophillus, together with lesser numbers of B. adolescentis (P <0.05). Conclusion: The gut microflora in T2D patients is characterized by greater numbers of Lactobacillus and lesser numbers of Bifidobacterium species.

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