Affiliation:
1. NHC Key Laboratory of Hormones and Development (Tianjin Medical University), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin, China
2. Tianjin University of Traditional Chinese Medicine, Tianjin, China
Abstract
Aims Previous studies suggest that small intestinal bacterial overgrowth (SIBO) is associated with type 2 diabetes. However, few studies have evaluated the association between SIBO and beta-cell function in type 2 diabetes. The aim of this study was to evaluate whether beta-cell function was associated with SIBO. Materials and methods One hundred four patients with type 2 diabetes were included in this study. Based on the presence of SIBO, the patients were divided into SIBO-positive and SIBO-negative groups. Oral glucose tolerance tests were performed. Insulin sensitivity was measured using 1/homeostasis model assessment of insulin resistance (1/HOMA-IR) and the insulin sensitivity index (ISIM). Insulin release was calculated by HOMA-β, early-phase insulin secretion index InsAUC30/GluAUC30, and total-phase insulin secretion index InsAUC120/GluAUC120. Results Compared with the SIBO-negative group, patients in the SIBO-positive group showed a higher glucose level at 120 minutes, HbA1c, 1/HOMA-IR, and ISIM and a lower HOMA-β level, early-phase InsAUC30/GluAUC30, and total-phase InsAUC120/GluAUC120. Multiple linear regression analysis showed that body mass index, glucose at 0 minutes, and SIBO were independently associated with the early-phase and total-phase insulin secretion. Conclusion SIBO may be involved in lower levels of insulin release and worse glycemic control.
Funder
Fund of Key Laboratory of Hormones and Development
National Natural Science Foundation of China
Tianjin Natural Science Fund
Research Project of Tianjin Municipal Commission of Health and Family Planning on Traditional Chinese Medicine and Combination of Chinese Traditional and Western Medicine
Scientific Research Funding of Tianjin Medical University Chu Hsien-I Memorial Hospital
The Science & Technology Development Fund of Tianjin Education Commission for Higher Education
Subject
Biochemistry, medical,Cell Biology,Biochemistry,General Medicine
Cited by
7 articles.
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