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CD22 three-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method and kit

A real-time fluorescence quantitative, chimeric antigen receptor technology, applied in the determination/inspection of microorganisms, biochemical equipment and methods, etc., to achieve the effect of less personal toxicity, accurate and rapid effect

Inactive Publication Date: 2018-09-14
WUHAN BIO RAID BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no real-time fluorescent quantitative PCR detection method and kit for CD22 third-generation chimeric antigen receptor

Method used

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  • CD22 three-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method and kit

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Experimental program
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Effect test

Embodiment 1

[0029] CD22 third-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method, the method comprising:

[0030] The first step: extract the DNA of the sample to be tested;

[0031] The second step: PCR reaction: take specific amplification primers, PCR buffer, deoxynucleoside triphosphate mixture, DNA dye and DNA polymerase, add the sample DNA to be tested to make a PCR reaction solution;

[0032] The third step: carry out PCR amplification reaction, and measure the absorbance value at the end of each cycle;

[0033] Wherein, the specific amplification primer described in the second step is as follows:

[0034] The upstream primer (SEQ ID NO.1) is: 5'AGAGGGGAGCGCAAACTGA 3'; the downstream primer (SEQ ID NO.2) is 5'GGAATCTAAGATTGACTTAATT 3';

[0035] The composition of the PCR reaction solution is as follows (according to the final concentration): 10 μL of 10× amplification buffer; 200 μmol / L each of dATP, dTTP, dCTP, and dGTP; 20 pmol of upstr...

Embodiment 2

[0040] CD22 third-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method, the method comprising:

[0041] The first step: extract the DNA of the sample to be tested;

[0042] The second step: PCR reaction: take specific amplification primers, PCR buffer, deoxynucleoside triphosphate mixture, DNA dye and DNA polymerase, add the sample DNA to be tested to make a PCR reaction solution;

[0043] The third step: carry out PCR amplification reaction, and measure the absorbance value at the end of each cycle;

[0044] The specific amplification primers described in the second step are as follows:

[0045]The upstream primer is SEQ ID NO.1: 5'AGGACGGAGCGCAAACTGA3'; the downstream primer is SEQ ID NO.2: 5'GGTATCTAAGATTGACTCTATT 3'.

[0046] The final concentration of each component in the PCR reaction solution is as follows: 10 μL of 10× amplification buffer; 200 μmol / L each of dATP, dTTP, dCTP, and dGTP; 25 pmol each of upstream and downstream s...

Embodiment 3

[0050] CD22 third-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method, the method comprising:

[0051] The first step: extract the DNA of the sample to be tested;

[0052] The second step: PCR reaction: take specific amplification primers, PCR buffer, deoxynucleoside triphosphate mixture, DNA dye and DNA polymerase, add the sample DNA to be tested to make a PCR reaction solution;

[0053] The third step: carry out PCR amplification reaction, and measure the absorbance value at the end of each cycle;

[0054] The specific amplification primers described in the second step are as follows:

[0055] The upstream primer is SEQ ID NO.1: 5'AGGACGGAGCGCAAACTGA3'; the downstream primer is SEQ ID NO.2: 5'GGTATCTAAGATTGACTCTATT 3'.

[0056] The final concentration of each component in the PCR reaction solution is as follows: 10 × amplification buffer 10 μL; dATP, dTTP, dCTP, dGTP each 200 μmol / L; specific primer upstream and downstream each 30pm...

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Abstract

The invention provides a CD22 three-generation chimeric antigen receptor real-time fluorescent quantitative PCR detection method and a kit, and relates to the field of biomacromolecule detection. Themethod comprises the following steps: 1, extracting DNA of a to-be-detected sample; 2, performing PCR reaction: taking a specific amplification primer, a PCR buffer solution, a deoxytriphosphate mixture, DNA dye and DNA polymerase and adding the DNA of the to-be-detected sample to prepare PCR reaction liquid; and 3, performing PCR amplification reaction and measuring the light-absorbing value after each circulation, wherein in the step 2, the specific amplification primer is as follows: the nucleotide sequence of the upstream primer is as shown in SEQ ID NO.1 and the nucleotide sequence of thedownstream primer is as shown in SEQ ID NO.2. The content of a CD22 three-generation chimeric antigen receptor in a human body or in the cultivation process can be effectively tracked, the treatmentcondition is reminded, reference is provided for the treatment dosage, and the effect is accurate and rapid.

Description

technical field [0001] The invention relates to the field of biomacromolecule detection, more specifically, to a CD22 third-generation chimeric antigen receptor real-time fluorescence quantitative PCR detection method and a kit. Background technique [0002] Chimeric antigen receptor (CAR) is a fusion protein of the variable region of a single-chain antibody and a T cell signaling molecule, which allows T cells to recognize specific antigens in a non-MHC-restricted manner and play a killing role. At present, the signaling domain of CAR has developed from a single signaling molecule of the first generation to a multi-signaling domain (second and third generation) including co-stimulatory molecules such as CD28 and 4-1BB, and the existence time and killing ability in the body are significantly enhanced. The use of CAR-modified T cells targeting CD19 and CD20 for adoptive infusion to treat hematological malignancies is currently a hot spot in clinical research. Since CAR-T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/6851
CPCC12Q1/6851C12Q2563/107C12Q2531/113
Inventor 张同存柳浥时顾潮江廖兴华文靖
Owner WUHAN BIO RAID BIOTECH CO LTD