A method for preparing mouse intestinal tissue wax block for slicing

By using the sandwich structure and anti-pressure layer of multi-layer non-woven fabric and filter paper layer in the preparation of mouse intestinal tissue, the problem of separation of muscle layer and mucosal layer in the prior art midgut section is solved, the morphological integrity of intestinal tissue and the clear display of submucosal morphology is achieved, and the research on intestinal diseases is promoted.

CN115356182BActive Publication Date: 2025-04-11THE FIRST AFFILIATED HOSPITAL OF BENGBU MEDICAL COLLEGE
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Patent Information

Application Number
CN202210963097.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-11
Publication Date
2025-04-11
Estimated Expiration
2042-08-11

AI Technical Summary

Technical Problem

In the existing intestinal slicing technology of mouse intestine, the muscle layer and the mucosal layer are easily separated, making it difficult to observe the pathological changes in the submucosal layer, affecting the research on intestinal diseases.

Method used

A method for preparing wax blocks for mouse intestinal tissue for slices is adopted, including the detection, fixation, dehydration and embedding of intestinal tissue. Through the use of the sandwich structure of multi-layer non-woven fabric and filter paper layer and the anti-pressure layer, the morphological integrity of intestinal tissue during dehydration and waxization is ensured.

Benefits of technology

It effectively reduces the incidence of separation between the muscle layer and the mucosal layer, maintains the morphological integrity of intestinal tissue, significantly improves the morphological display of the submucosal layer, and facilitates scientific researchers to conduct comprehensive observation of intestinal diseases.

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Abstract

The present invention provides a method for preparing a mouse intestinal tissue wax block for slicing, which comprises the following steps: sampling of intestinal tissue, fixation of intestinal tissue, dehydration of intestinal tissue, and embedding of intestinal tissue. The present invention has simple steps and convenient operation. The embedded intestinal tissue wax block can keep the intestinal tissue morphology intact during subsequent slicing, without or only occasionally showing muscle layer separation phenomenon; the connective tissue morphology of the submucosal layer is completely presented, which is convenient for scientific researchers to conduct comprehensive observation of specimens, and provides reliable materials for theoretical research on intestinal diseases.
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