ArticleBioMed research international2022
Effects of Lipolysis-Stimulated Lipoprotein Receptor on Tight Junctions of Pancreatic Ductal Epithelial Cells in Hypertriglyceridemic Acute Pancreatitis.
Article in BioMed research international, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 7 citations in OpenAlex.
- Tricellulin regulates the tight junctions and cytoskeleton of pancreatic acinar cells through the NF-κB pathway in hypertriglyceridemic acute pancreatitis.Biomedical reports · 2026Article
- MCU-Mediated SIRT3 Inhibition Drives Oxidative Stress-Induced Cytoskeletal Disruption in Pancreatic Ductal Epithelium: A Mechanism of Hypertriglyceridemic Acute Pancreatitis.International journal of general medicine · 2025Article
- X-Box binding protein 1 downregulates SIRT6 to promote injury in pancreatic ductal epithelial cells.Immunity, inflammation and disease · 2024Article
- Mitochondrial calcium uniporter promotes mitophagy by regulating the PINK1/Parkin pathway in caerulein‑treated pancreatic ductal epithelial cellsExperimental and therapeutic medicine · 2024Article
- Gelsolin inhibits autophagy by regulating actin depolymerization in pancreatic ductal epithelial cells in acute pancreatitis.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica · 2023Article
- Comprehensive review on the pathogenesis of hypertriglyceridaemia-associated acute pancreatitis.Annals of medicine · 2023Review
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: We investigated the effects of lipolysis-stimulated lipoprotein receptor (LSR) on the tight junctions (TJs) of pancreatic ductal epithelial cells (PDECs) in hypertriglyceridemic acute pancreatitis (HTGAP). Methods: Sprague-Dawley rats were fed standard rat chow or a high-fat diet and injected with sodium taurocholate to obtain normal and HTGAP rats, respectively. Serum triglyceride (TG) levels, pathological changes, TJ proteins in the pancreas, and TJ ultrastructure of PDECs were assessed. LSR overexpression (OE) and knockdown (KD) HPDE6-C7 models were designed and cultured in a high-fat environment. Protein levels were quantified by Western blotting. Cell monolayer permeability was detected using FITC-Dextran. Results: Serum TG concentration and pancreatic scores were higher in the HTGAP group than in the normal group. Among the TJ proteins, LSR protein expression was significantly lower in the HTGAP group than in the acute pancreatitis (AP) group. Tricellulin (TRIC) expression in the pancreatic ductal epithelia was higher in the HTGAP group than in the AP group. The HTGAP group had lower TJ protein levels, wider intercellular space, and widespread cellular necrosis with disappearance of cell junction structures. In the cell study, TJ proteins were downregulated and the cellular barrier was impaired by palmitic acid (PA), which was reversed by LSR-OE, whereas LSR-KD downregulated the TJ proteins and aggravated PA-induced cellular barrier impairment. Conclusions: Hypertriglyceridemia downregulates the TJ proteins in PDECs, which may impair the pancreatic ductal mucosal barrier function. LSR regulation can change the effects of HTG on cellular barrier function by upregulating the TJ proteins.
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