ArticleInternational journal of molecular sciences2022
Bile Duct Ligation Impairs Function and Expression of Mrp1 at Rat Blood-Retinal Barrier via Bilirubin-Induced P38 MAPK Pathway Activations.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 15 citations in OpenAlex.
- A large cohort analysis of metabolic signatures underlying the liver-eye axis.Communications medicine · 2026Article
- Bile duct ligation impairs visual acuity in rats by ammonia- and bilirubin-induced retinal degeneration.Acta pharmacologica Sinica · 2025Article
- Article
- Article
- Association of Different Total Bilirubin Levels with Prognosis of Peritoneal Dialysis-Associated Peritonitis.Medicina (Kaunas, Lithuania) · 2023Article
- Insights into the liver-eyes connections, from epidemiological, mechanical studies to clinical translation.Journal of translational medicine · 2023Review
- Overcoming Biological Barriers: Importance of Membrane Transporters in Homeostasis, Disease and Disease Treatment.International journal of molecular sciences · 2023Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
Liver injury is often associated with hepatic retinopathy, resulting from accumulation of retinal toxins due to blood-retinal barrier (BRB) dysfunction. Retinal pigment epithelium highly expresses MRP1/Mrp1. We aimed to investigate whether liver injury affects the function and expression of retinal Mrp1 using bile duct ligation (BDL) rats. Retinal distributions of fluorescein and 2,4-dinitrophenyl-S-glutathione were used for assessing Mrp1 function. BDL significantly increased distributions of the two substrates and bilirubin, downregulated Mrp1 protein, and upregulated phosphorylation of p38 and MK2 in the retina. BDL neither affected the retinal distribution of FITC-dextran nor expressions of ZO-1 and claudin-5, demonstrating intact BRB integrity. In ARPE-19 cells, BDL rat serum or bilirubin decreased MRP1 expression and enhanced p38 and MK2 phosphorylation. Both inhibiting and silencing p38 significantly reversed the bilirubin- and anisomycin-induced decreases in MRP1 protein. Apparent permeability coefficients of fluorescein in the A-to-B direction (P
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Registered trials
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