ArticleMolecular and cellular biochemistry2016
Ameliorative effect of melatonin against increased intestinal permeability in diabetic rats: possible involvement of MLCK-dependent MLC phosphorylation.
Article in Molecular and cellular biochemistry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Article
- Activation of the 5-hydroxytryptamine 4 receptor ameliorates tight junction barrier dysfunction in the colon of type 1 diabetic mice.Acta biochimica et biophysica Sinica · 2023Article
- Melatonin Inhibits hIAPP Oligomerization by Preventing β-Sheet and Hydrogen Bond Formation of the Amyloidogenic Region Revealed by Replica-Exchange Molecular Dynamics Simulation.International journal of molecular sciences · 2022Article
- Sinapic Acid Alleviated Inflammation-Induced Intestinal Epithelial Barrier Dysfunction in Lipopolysaccharide- (LPS-) Treated Caco-2 Cells.Mediators of inflammation · 2021Article
- Ebola Hemorrhagic Shock Syndrome-on-a-Chip.iScience · 2020Article
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
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Abstract
The increased intestinal permeability and functional impairment play an important role in type 2 diabetes (T2D), and melatonin may possess enteroprotection properties. Therefore, we used streptozotocin-induced diabetic rat model to investigate the regulation of intestinal permeability by melatonin. Rats were randomly divided into three groups, including control, diabetes mellitus (DM), and DM rats treated with melatonin. Melatonin was administered (10 mg/kg/day) by gavage for 24 weeks. The DM rats significantly increased the serum fasting blood glucose and lipid levels, which were alleviated by melatonin treatment. Importantly, the intestinal epithelial permeability was significantly increased in DM rats but was ameliorated following treatment with melatonin. These findings also indicated the expression of myosin light chain kinase (MLCK) and phosphorylation of MLC targeting subunit (MYPT) induced myosin light chain (MLC) phosphorylation level was markedly elevated in hyperglycemic and hyperlipidemic status. They were partly associated with down-regulated membrane type 1 and 2 (MT1 and MT2) expression, and up-regulated Rho-associated protein kinase (ROCK) expression and increased extracellular signal-regulated kinase (ERK) phosphorylation. However, the changes in target protein expression were reversed by melatonin. In conclusion, our results show melatonin beneficial effects on impaired intestinal epithelial permeability in T2D by suppressing ERK/MLCK- and ROCK/MCLP-dependent MLC phosphorylation.
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