Journal
NUTRIENTS
Volume 15, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/nu15071712
Keywords
non-alcoholic fatty liver disease; type 2 diabetes mellitus; short-chain fatty acids
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This study aimed to explore the association between short-chain fatty acids (SCFAs) and the severity of non-alcoholic fatty liver disease (NAFLD) in type 2 diabetes mellitus (T2D) patients. The results showed that the circulating levels of isobutyrate and methylbutyrate were negatively correlated with NAFLD severity. This suggests that SCFAs may be related to the severity of NAFLD in T2D patients.
(1) Background: Non-alcoholic fatty liver disease (NAFLD) is a major global health concern. The increasing prevalence of NAFLD has been related to type 2 diabetes mellitus (T2D). However, the relationship between short-chain fatty acids (SCFAs) and NAFLD severity is ambiguous in T2D subjects. This study aimed to explore the association of SCFAs with the severity of NAFLD in T2D patients. (2) Methods: We employed echography to examine the severity of hepatic steatosis. The serum levels of nine SCFAs, namely, formate, acetate, propionate, butyrate, isobutyrate, methylbutyrate, valerate, isovalerate, and methylvalerate, were measured using gas chromatography mass spectrometry. (3) Results: A total of 259 T2D patients was enrolled in this cross-sectional study. Of these participants, 117 with moderate to severe NAFLD had lower levels of formate, isobutyrate, and methylbutyrate than the 142 without NAFLD or with mild NAFLD. Lower circulating levels of isobutyrate and methylbutyrate were associated with an increased severity of NAFLD. A relationship between NAFLD severity and circulating isobutyrate and methylbutyrate levels was found independently of a glycated hemoglobin (HbA1C) level of 7.0%. (4) Conclusion: Circulating levels of isobutyrate and methylbutyrate were significantly and negatively correlated with NAFLD severity in the enrolled T2D patients. SCFAs may be related to NAFLD severity in T2D patients.
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