ArticleMethods in molecular biology (Clifton, N.J.)2022
Quantifying Endothelial Transcytosis with Total Internal Reflection Fluorescence Microscopy (TIRF).
Article in Methods in molecular biology (Clifton, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- The N-terminus of apolipoprotein B mediates the interaction of atherogenic lipoproteins with endothelial cells.The Journal of clinical investigation · 2026Article
- Lipid raft proteomics identify endothelial myosin-9 (MYH9) as a regulator of low-density lipoprotein transcytosis and atherosclerosis.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Imbalance of APOB Lipoproteins and Large HDL in Type 1 Diabetes Drives Atherosclerosis.Circulation research · 2024Article
- LDL Transcytosis by the Arterial Endothelium-Atherosclerosis by a Thousand Cuts?Current atherosclerosis reports · 2023Review
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apical-to-basal transcytosis by endothelial cells can be visualized and quantified using total internal reflection fluorescence (TIRF) microscopy of the basal membrane. Past techniques to study transcytosis including electron microscopy and transwells have several limitations such as confounding from paracellular leakage, low transfection efficiency, and the largely descriptive nature of electron microscopy. After the addition of a fluorescent ligand to the apical endothelial surface, using TIRF to measure exocytosis at the basal membrane bypasses these issues by studying transcytosis across a single cell of a confluent endothelial monolayer in real time. A major benefit of TIRF is that only a small volume of the cell is illuminated, thus greatly reducing background noise from the overlying cytosol in the images. This protocol outlines the steps to image and quantify exocytosis of apically applied fluorophore-tagged low-density lipoprotein (LDL) using TIRF microscopy and MATLAB. A similar approach can be used to study endothelial transcytosis of other ligands such as albumin or high-density lipoprotein.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.