Study of fatty acid-binding protein and Bacteroidetes and Firmicutes levels in patients with metabolic-associated fatty liver disease in combination with type 2 diabetes mellitus and small intestinal bacterial overgrowth syndrome

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DOI:

https://doi.org/10.14739/2310-1210.2024.2.296120

Abstract

The aim of the study was to examine serum levels of liver and intestinal fatty acid-binding proteins (L-FABP and I-FABP), fecal numbers of Bacteroidetes (B) and Firmicutes (F) in patients with metabolic-associated fatty liver disease (MAFLD) in combination with type 2 diabetes mellitus (Т2DM) and small intestinal bacterial overgrowth (SIBO) syndrome.

Materials and methods. The prospective, interventional, randomized study included 51 patients with MAFLD in combination with Т2DM, who were examined and divided into 2 groups. Group 1 consisted of 24 patients with MAFLD and Т2DM without SIBO. Group 2 was comprised of 27 patients with MAFLD in combination with Т2DM and SIBO. The control group included 20 apparently healthy individuals. Serum levels of L-FABP and I-FABP were measured by ELISA method using the Human L-FABP and I-FABP ELISA Kit test systems, respectively (Elabscience, USA). Fecal numbers of B and F were determined by real-time PCR. Bacterial DNA was detected in a thermal cycler Rotor-Gene 6000 (QIAGEN, Germany) using DNA 16S rRNA primers and NanoDrop ND-8000 reagents (Thermo Scientific, USA).

Results. To assess the state of intestinal permeability, serum levels of L-FABP and I-FABP were examined and numbers of phylum F and В as well as their ratio were calculated. Patients of both groups have been found to have increased serum levels of L-FABP, I-FABP, numbers of B in fecal samples and decreased numbers of F and F/B ratio.

Conclusions. The study results obtained have revealed increased intestinal permeability and demonstrated an important diagnostic value of serum L-FABP and I-FABP as a biomarker of intestinal permeability in diabetic MAFLD patients with or without SIBO. Increased fecal numbers of Bacteroidetes, decreased numbers of Firmicutes and F/B ratio have been detected in diabetic MAFLD patients with or without SIBO.

Author Biographies

V. V. Cherniavskyi, Bogomolets National Medical University, Kyiv, Ukraine

MD, PhD, DSc, Professor, Department of Internal Medicine No. 1

O. K. Didyk, Bogomolets National Medical University, Kyiv, Ukraine

MD, PhD student, Department of Internal Medicine No. 1

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Published

2024-03-29

How to Cite

1.
Cherniavskyi VV, Didyk OK. Study of fatty acid-binding protein and Bacteroidetes and Firmicutes levels in patients with metabolic-associated fatty liver disease in combination with type 2 diabetes mellitus and small intestinal bacterial overgrowth syndrome. Zaporozhye Medical Journal [Internet]. 2024Mar.29 [cited 2024Nov.27];26(2):114-7. Available from: http://zmj.zsmu.edu.ua/article/view/296120

Issue

Vol. 26 No. 2 (2024): Zaporozhye medical journal

Section

Original research

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