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Updated: Jul 28, 2026
An Intravital Microscopy-Based Approach to Assess Intestinal Permeability and Epithelial Cell Shedding Performance
Published on: December 3, 2020
Three-dimensional Quantification of Intestinal Mucus Using Whole-mount Tissue Imaging.
Wei-Lin Chen1, Zi-Qi Gu2, Zi-Yun Qiu2
1Laboratory of Host-Microbe Interactions and Cell Dynamics, Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University; Institute of Microbiology and Immunology, National Yang Ming Chiao Tung University; Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica.
This study introduces a new 3D method to precisely measure intestinal mucus volume and distribution. This technique offers a better understanding of gut mucus dynamics in health and disease.
Area of Science:
- Gastroenterology
- Microscopy
- Biomedical Engineering
Background:
- Intestinal mucus is vital for gut homeostasis, digestion, and immune defense.
- Traditional mucus analysis methods lack precision in quantifying volume and spatial distribution.
- Understanding mucus dynamics is crucial for studying gut health and disease.
Purpose of the Study:
- To develop and validate a novel methodology for absolute, 3D quantification of intestinal mucus.
- To visualize and measure the volume and spatial distribution of secreted mucus in situ.
- To provide a tool for detailed analysis of intestinal mucus dynamics.
Main Methods:
- Utilized whole-mount intestinal tissues and multi-photon microscopy for 3D imaging.
- Prepared ligated intestinal loops and stimulated goblet cell secretion using carbamoylcholine chloride.
- Employed Imaris software for processing Z-stacked images and quantifying mucus volume and distribution.
Main Results:
- Successfully quantified absolute mucus volume and spatial distribution in 3D.
- Demonstrated robust mucus secretion induction by carbamoylcholine chloride in ileal and colonic tissues within 30 minutes.
- Revealed a sporadic and discontinuous pattern of mucus secretion in the intestinal lumen.
Conclusions:
- The developed protocol enables accurate, quantitative analysis of intestinal mucus.
- Highlights the limitations of traditional 2D methods for mucus assessment.
- Offers a powerful new tool for researching intestinal mucus dynamics in various conditions.
