ArticleFEBS open bio2025
A non-fluorescent immunohistochemistry method for measuring autophagy flux using MAP1LC3/LC3 and SQSTM1 as core markers.
Article in FEBS open bio, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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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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Who cites it
4 citing papers in PubMed.
- An Autopsy Report of Beta-Propeller Protein-Associated Neurodegeneration with 68-Year Survival, Focusing on Isoform-Specific Distribution of Hyperphosphorylated Tau.Reports (MDPI) · 2026Article
- Progranulin promotes glioma progression via interaction with cathepsin D and serves as a diagnostic and prognostic biomarker.Discover oncology · 2026Article
- Rethinking PINK1/Parkin-mediated mitophagy in Parkinson's disease: functional continuity and activation-clearance uncoupling.Frontiers in aging neuroscience · 2026Review
- Involvement of the thioredoxin system in multiple diseases: A focus on mechanisms of action in autophagy and ferroptosis (Review).Molecular medicine reports · 2026Review
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7 authors.
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Abstract
Macroautophagy/autophagy is a crucial cellular process for degrading and recycling damaged proteins and organelles, playing a significant role in diseases such as cancer and neurodegeneration. Evaluating autophagy flux, which tracks autophagosome formation, maturation, and degradation, is essential for understanding disease mechanisms. Current fluorescence-based methods are resource-intensive, requiring advanced equipment and expertise, limiting their use in clinical laboratories. Here, we introduce a non-fluorescent immunohistochemistry (IHC) method using MAP1LC3/LC3 and SQSTM1 as core markers for autophagy flux assessment. LC3 levels reflect autophagosome formation, whereas SQSTM1 degradation and a decrease in the number of its puncta indicate active flux (i.e., lysosomal turnover). We optimized chromogenic detection using diaminobenzidine (DAB) staining and developed a scoring system based on puncta number and the percentage of stained cells. This accessible, cost-effective method enables reliable autophagy quantification using a standard light microscope, bridging the gap between experimental research and clinical diagnostics. Our protocol allows accurate autophagy evaluation in fixed tissues, offering practical applications in biomedical research and clinical pathology assessment.
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Registered trials
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