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A Standardized Method for the Analysis of Liver Sinusoidal Endothelial Cells and Their Fenestrations by Scanning Electron Microscopy
Published on: April 30, 2015
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Quantification of fenestrations in liver sinusoidal endothelial cells by atomic force microscopy
Bartlomiej Zapotoczny1, Karolina Szafranska1, Edyta Kus2
1Centre for Nanometer-Scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy, Applied Computer Science, Jagiellonian University, Krakow, Poland.
Micron (Oxford, England : 1993)
|June 18, 2017
Summary
Atomic force microscopy offers a new way to study liver sinusoidal endothelial cells (LSECs) and their fenestrations. This technique provides detailed 3D images and quantitative data without damaging the cells.
Area of Science:
- Cell Biology
- Nanotechnology
- Biophysics
Background:
- Liver sinusoidal endothelial cells (LSECs) are crucial for liver function.
- LSECs possess unique fenestrations, dynamic pores influencing liver processes.
- Current imaging methods like scanning electron microscopy require extensive sample preparation.
Purpose of the Study:
- To evaluate atomic force microscopy (AFM) for characterizing LSEC fenestrations.
- To quantitatively assess fenestration diameter, porosity, and frequency.
- To compare AFM with traditional methods for LSEC morphology analysis.
Main Methods:
- Utilized atomic force microscopy for high-resolution 3D imaging of glutaraldehyde-fixed primary murine LSECs.
- Investigated the impact of tip apex radius on fenestration diameter measurements.
- Performed quantitative analysis of fenestration characteristics.
Main Results:
- AFM successfully visualized and quantified LSEC fenestrations.
- Key morphological parameters like mean fenestration diameter, porosity, and frequency were determined.
- Tip apex radius was found to influence fenestration diameter measurements.
Conclusions:
- Atomic force microscopy is a viable, high-resolution tool for LSEC fenestration analysis.
- AFM offers a non-destructive, quantitative alternative to conventional microscopy.
- This technique facilitates a deeper understanding of LSEC morphology and function.
