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Related Concept Videos

Studying the Cytoskeleton01:17

Studying the Cytoskeleton

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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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Related Experiment Video

Updated: Jan 3, 2026

Quantification of Filamentous Actin F-actin Puncta in Rat Cortical Neurons
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A quantitative method to analyse F-actin distribution in cells.

Jip Zonderland1, Paul Wieringa1, Lorenzo Moroni1

  • 1Maastricht University, MERLN Institute for Technology-Inspired Regeneration Medicine, Complex Tissue Regeneration Department, Maastricht, the Netherlands.

Methodsx
|November 26, 2019
PubMed
Summary

This study introduces a new method for analyzing F-actin distribution in cells. The method uses a Fiji macro and an R script to measure staining intensity along a line drawn across the cell. The data is divided into equal bins to ensure consistency. The approach is not affected by cell shape or size and uses freely available software. The researchers demonstrated the method on cytochalasin D-treated cells. The workflow is fast, transparent, and repeatable. The method is suitable for high-throughput applications and can be adapted for other cytoskeletal studies.

Keywords:
Automated image quantificationCytochalasin DCytoskeleton distributionFiji macroFiji macro for staining distribution quantificationMesenchymal stromal cellsStaining distributionactin cytoskeletonimage analysis workflowcell shape independenceFiji macroR script processing

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In Vitro Polymerization of F-actin on Early Endosomes
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In Vitro Polymerization of F-actin on Early Endosomes
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Area of Science:

  • Cell biology
  • Image analysis in biomedical research
  • Quantitative methods in actin cytoskeleton studies

Background:

Actin filaments play a central role in cellular functions such as cell motility and division. Understanding their distribution is key to studying cell behavior. However, cell shape and size variations complicate actin analysis. Traditional methods struggle with these inconsistencies. Researchers have sought tools to overcome these limitations. Prior studies have used manual or semi-automated techniques. These approaches are time-consuming and prone to variability. No prior work had resolved the issue of shape and size independence. This gap motivated the development of a new analytical approach.

Purpose Of The Study:

The goal was to create a reliable method for analyzing F-actin distribution. The method needed to be independent of cell shape and size. The researchers aimed to simplify the workflow for users. They wanted to ensure transparency in the analysis process. The method should be accessible to a broad audience. Open-source software was a priority for the team. The approach should be repeatable and verifiable. These objectives guided the design of the new analytical tools.

Main Methods:

The team developed a Fiji macro to analyze F-actin staining. The macro draws a line across the cell automatically. Staining intensity is measured along this line. The data is divided into equal bins for consistency. An R script was created to process the intensity data. The combined workflow reduces analysis time significantly. All tools are freely available for public use. This approach ensures transparency and reproducibility.

Main Results:

The method successfully analyzed F-actin in cytochalasin D-treated cells. The analysis was unaffected by cell shape or size. Intensity measurements were consistent across different cells. The binning process improved data reliability. The workflow produced results in under five minutes. The R script streamlined data interpretation. The macro and script are compatible with standard image formats. The method is suitable for high-throughput applications.

Conclusions:

The authors demonstrated a robust method for F-actin analysis. Their approach is insensitive to cell shape and size. The use of open-source software enhances accessibility. The workflow is transparent and verifiable. The method reduces analysis time significantly. The binning process ensures consistent results. The approach is suitable for various cell types. The authors suggest it can be adapted for other cytoskeletal studies.

The study developed a method to analyze F-actin distribution in cells that is not influenced by cell shape or size.

The researchers used a Fiji macro and an R script for image analysis and data processing.

The binning process ensures that intensity measurements are consistent across different cell sizes and shapes.

The R script processes the intensity data acquired from the Fiji macro to generate final results.

The researchers reported that the workflow can produce results in under five minutes.

The authors suggest that the method can be adapted for other cytoskeletal studies due to its transparency and accessibility.