简介：
Overview
This article presents a protocol for isolating and establishing primary fibroblast/myofibroblast cultures from frozen gastrointestinal tissues. The isolated cells exhibit a myofibroblast phenotype, characterized by the expression of CD90, α-SMA, and vimentin.
Key Study Components
Area of Science
- Neuroscience
- Cell Biology
- Tissue Engineering
Background
- Myofibroblasts play a crucial role in tissue repair and fibrosis.
- Isolating these cells from frozen tissues allows for delayed processing of samples.
- This method facilitates the use of samples from diverse sources globally.
- Proper preservation of tissue is essential for successful isolation.
Purpose of Study
- To provide a reliable method for isolating viable myofibroblasts and fibroblasts.
- To enhance the accessibility of gastrointestinal tissue samples for research.
- To enable functional assays using isolated cells.
Methods Used
- Thawing frozen tissue samples in a 37°C water bath.
- Washing tissue fragments with HBSS without calcium and magnesium.
- Carefully discarding supernatants to isolate viable cells.
- Establishing cultures for further analysis of enzymatic activity and cytokine production.
Main Results
- Successful isolation of fibroblast/myofibroblast cultures from frozen tissues.
- Characterization of isolated cells showing myofibroblast markers.
- Demonstrated potential for functional assays with isolated cells.
- Facilitated research using diverse gastrointestinal tissue samples.
Conclusions
- The protocol provides a valuable tool for researchers studying gastrointestinal tissues.
- Isolated myofibroblasts can be used in various functional assays.
- This method supports the advancement of research in tissue repair and fibrosis.
What are myofibroblasts?
Myofibroblasts are specialized cells involved in wound healing and tissue repair, characterized by specific markers such as α-SMA.
Why is it important to isolate cells from frozen tissues?
Isolating cells from frozen tissues allows for delayed processing and the use of samples from various sources, enhancing research capabilities.
What markers are used to identify myofibroblasts?
Myofibroblasts are identified by the expression of markers such as CD90, α-SMA, and vimentin.
How does this protocol benefit researchers?
The protocol provides a reliable method for obtaining viable cells for functional assays, facilitating studies in tissue repair and fibrosis.
Can this method be applied to other types of tissues?
While this method is designed for gastrointestinal tissues, similar protocols may be adapted for other tissue types.
What types of assays can be performed with isolated myofibroblasts?
Isolated myofibroblasts can be used for assays assessing enzymatic activity and cytokine production, among others.
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