Oral mucosa cell culture method

A technology of oral mucosal cells and culture methods, which is applied in the field of oral mucosal cell culture, can solve the problems that affect the experimental efficiency, cannot obtain OMECS, and have no systematic standardization of experimental procedures, so as to improve experimental efficiency, good proliferation ability, and reduce uncertain factors Effect

Pending Publication Date: 2019-11-05
冯全良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional oral mucosal cell culture method does not have systematic and standardized experimental procedures in practical application, and there are many uncertain factors in the experiment. It is necessary to make multiple sets of comparative experiments to obtain accurate experimental results, which greatly affects the experimental efficiency. For example, digestion Due to the influence of the preparation of the liquid and the main ions in the medium, it is impossible to quickly obtain high-purity OMECs with typical epithelial cell characteristics, so it is necessary to design a culture method for oral mucosal cells

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: A method for culturing oral mucosal cells of the present invention, including the preparatory work before culturing, the specific cultivating process and the finishing work after culturing.

[0022] Wherein, the pre-cultivation preparation includes the preparation of the culture instrument and the preparation of the oral mucosal cells;

[0023] The preparation of the culture instrument includes the preparation of ultra-clean workbench, pressure steam sterilizer, electric drying oven, filter, ultraviolet lamp, water and balanced salt solution;

[0024] Ultra-clean workbench: The adjustable air volume fan system is adopted. After adjusting the fan workbench, the wind speed in the clean work area can always be kept within the ideal range. Purified, the purified air slowly passes through the worktable to form a sterile environment in the workbench;

[0025] Pressure steam sterilizer: use a vertical pressure steam sterilizer and place it at the vent of the lab...

Embodiment 2

[0034] Example 2: each sample is divided into four equal parts, the first part is put into 2.5g / L Dispase2 solution and kept in 4C refrigerator overnight; The separation time of the groups was the same, the third group was put into 2g / LDispase2 solution and kept in a 4C refrigerator overnight; The time difference between the three groups was 2 hours, and then the epidermis was torn off with ophthalmic tweezers, and the epithelium of the four groups were digested with 2.5 g / L trypsin 37C for 5-10 minutes, DMEM (containing serum) was used to stop the digestion, and blown into single-cell liquid , Hemocytometer counts the number of cells, counts live cells with trypan blue, inoculates in a 25ml culture flask containing K1-SFM at a cell density of 4x10* cells / cm.

[0035] Experimental results: Oral mucosal epithelial cells inoculated with K1-SFM can be passed continuously for 4 to 5 generations. After digestion, the cells are different in size, and the small and round cells are ba...

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PUM

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Abstract

The invention discloses an oral mucosa cell culture method. The oral mucosa cell culture method is characterized by comprising the steps: preparation work before culture, specific culture process andfinish work after culture, wherein preparation work before culture includes preparation of a culture instrument and preparation of oral mucosa cells. According to the oral mucosa cell culture method,a serum-free medium is utilized, the cells can realize stable passage for 4-5 generations, the multiplication capacity of the former three generations is high, a certain proportion of giant cells occur in the fourth generation, the cells of the fifth generation are aged, thus from the angle of tissue engineering, the research supports the use of the cells of the cultured third generation, the certain number of cells are met, it is ensured that the cells have the good multiplication capacity, the passage number of the mucosa epithelial cells is closely related to the number of inoculated cells,uncertain factors are few, the experimental efficiency is high, disinfection and sterilization treatment is adopted before and after an experiment, the uncertain factors of the experiment are furtherreduced, and thus the experimental efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of oral mucosal cell culture, in particular to a method for oral mucosal cell culture. Background technique [0002] The cells in the oral cavity have the same shape and function, and are collectively referred to as oral cells. Oral cell culture refers to simulating the physiological environment in the body. Under appropriate conditions, the living tissue cells can survive, grow and proliferate in vitro, and maintain their Structural function. [0003] The traditional oral mucosal cell culture method does not have systematic and standardized experimental procedures in practical application, and there are many uncertain factors in the experiment. It is necessary to make multiple sets of comparative experiments to obtain accurate experimental results, which greatly affects the experimental efficiency. For example, digestion Due to the influence of the preparation of the liquid and the main ions in the medium,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M3/00C12M1/12C12M1/04C12N5/071
CPCC12M23/02C12M29/04C12N5/0632
Inventor 冯全良
Owner 冯全良
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