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Changes of intestinal microflora and expression of intestinal and renal AGEs/SGLT-1 in diabetic kidney disease mouse model / 中华内分泌代谢杂志
Article in Chinese | WPRIM | ID: wpr-885132
Responsible library: WPRO
ABSTRACT

Objective:

To investigate the changes of advanced glycosylation end product(AGEs)/sodium-glucose cotransporter-1(SGLT-1) in intestinal and renal tissues and intestinal flora of mice with diabetes kidney disease.

Methods:

Twenty KKay mice were divided into diabetic group(DM group, n=10) and diabetic kidney disease group(DKD group, n=10). The concentrations of serum AGEs, lipopolysaccharide(LPS), tumor necrosis factor-α(TNF-α), and intereukin-6(IL-6) were measured. Western blot technique was used to detect the protein expression of AGEs and SGLT-1 in kidney and intestinal tissue, and high-throughput sequencing was used to analyze the difference of intestinal flora.

Results:

The levels of inflammatory markers TNF-α, IL-6, and serum endotoxin in DKD group were significantly higher than those in DM group( P<0.05). The contents of AGEs in serum and intestine and kidney were increased, and the contents of SGLT-1 in intestine and kidney were increased( P<0.05). Metastats test showed that the abundance of Verrucomicrobia decreased and the abundance of Proteobacteria increased in DKD group( P<0.05). G - bacteria such as Aeromonas, Enterobacter, Morgan, Klebsiella, Serratia, and Burkholderia were relatively dominant, and the abundance of Akkermansia was significantly lower than that in DM group( P<0.05).

Conclusion:

The increase of AGEs in intestinal tract of DKD mice may induce intestinal dysbacteriosis, especially the increase of Proteobacteria, the decrease of Verrucosa and Wilhelm Ackermann, and the leakage of G-bacteria into the blood to produce intestinal endotoxemia and cause inflammatory reaction, this may be an important factor in the development of DKD. SGLT-1 is elevated in intestinal tissue, which may be involved in the development of DKD.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Endocrinology and Metabolism Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Endocrinology and Metabolism Year: 2021 Type: Article