Assessing Autophagic Flux by Measuring LC3, p62, and LAMP1 Co-localization Using Multispectral Imaging Flow Cytometry.
Level 5 - mechanism / opinion, no new human data
Bench research / methodology description with no clinical human data
PubMed 28784946 · doi:10.3791/55637
What was done
The authors developed an in vitro protocol using multispectral imaging flow cytometry to quantify autophagic flux. The method uses automated image analysis of bright detail features to measure the co-localization of three autophagy-related markers (LC3, p62, and lysosomal LAMP1) alongside LC3 spot counting per cell.
What was found
The abstract outlines the methodology and analytical rationale but does not report quantitative results, numerical data, or statistical performance metrics.
Why it matters
This method offers an automated, statistically robust approach to measuring autophagosome-lysosome fusion and autophagic turnover across large cell populations, overcoming the subjectivity and low throughput of standard immunofluorescence microscopy.
Limits
The abstract reports no validation data, specific cell lines tested, error rates, or direct quantitative comparisons against standard autophagic flux assays.
Cited by
- supports Autophagy in humans can be measured in circulating leukocytes by assessing the redistribution of LC3 from a diffuse cytosolic pattern to punctate autophagosomal dots using imaging cytofluorometry.