Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN), México City, Mexico.
Programa de Doctorado en Ciencias Médicas, Odontológicas y de la Salud, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico.
Sci Rep. 2024 Apr 27;14(1):9678. doi: 10.1038/s41598-024-60081-y.
Lifestyle modifications, metformin, and linagliptin reduce the incidence of type 2 diabetes (T2D) in people with prediabetes. The gut microbiota (GM) may enhance such interventions' efficacy. We determined the effect of linagliptin/metformin (LM) vs metformin (M) on GM composition and its relationship to insulin sensitivity (IS) and pancreatic β-cell function (Pβf) in patients with prediabetes. A cross-sectional study was conducted at different times: basal, six, and twelve months in 167 Mexican adults with prediabetes. These treatments increased the abundance of GM SCFA-producing bacteria M (Fusicatenibacter and Blautia) and LM (Roseburia, Bifidobacterium, and [Eubacterium] hallii group). We performed a mediation analysis with structural equation models (SEM). In conclusion, M and LM therapies improve insulin sensitivity and Pβf in prediabetics. GM is partially associated with these improvements since the SEM models suggest a weak association between specific bacterial genera and improvements in IS and Pβf.
生活方式的改变、二甲双胍和利拉格列汀可降低糖尿病前期人群 2 型糖尿病(T2D)的发病率。肠道微生物群(GM)可能增强这些干预措施的疗效。我们确定了利拉格列汀/二甲双胍(LM)与二甲双胍(M)对糖尿病前期患者 GM 组成的影响,以及其与胰岛素敏感性(IS)和胰岛β细胞功能(Pβf)的关系。在 167 名墨西哥糖尿病前期成年人中,分别在基线、6 个月和 12 个月进行了横断面研究。这些治疗方法增加了 GM 产生短链脂肪酸的细菌 M(Fusicatenibacter 和 Blautia)和 LM(Roseburia、双歧杆菌和[Eubacterium] hallii 组)的丰度。我们使用结构方程模型(SEM)进行了中介分析。总之,M 和 LM 疗法可改善糖尿病前期患者的胰岛素敏感性和 Pβf。GM 与这些改善部分相关,因为 SEM 模型表明特定细菌属与 IS 和 Pβf 的改善之间存在弱关联。
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