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A kit for rapid detection of g6pd deficiency gene mutation

A kit and rapid technology, applied in the field of medical detection, can solve the problems of expensive equipment, unfavorable promotion and application, unfavorable common mutation site screening and use, etc., and achieve the effect of low cost and wide application.

Inactive Publication Date: 2019-09-24
钦州市妇幼保健院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emergence of this type of technology makes the detection of G6PD mutations relatively convenient and stable, but this method requires relatively expensive instruments and equipment, so it is not conducive to the promotion and application of units below the municipal level
High-resolution melting curve (HRM) detection of unknown mutations in G6PD gene has certain advantages and ease of operation, but for the detection of common mutation sites, multi-tube operations are often required, which is not conducive to the screening of common mutation sites. check use

Method used

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  • A kit for rapid detection of g6pd deficiency gene mutation
  • A kit for rapid detection of g6pd deficiency gene mutation
  • A kit for rapid detection of g6pd deficiency gene mutation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027]Example 1: The kit of the present invention is used to detect 1 normal sample and 5 types of mutation samples including normal samples, G1376T mutation samples, G1388A mutation samples, A95G mutation samples, G871T mutation samples and C1024T mutation samples.

[0028] 1. Design of primers for mutation-specific amplification system

[0029] The most important thing in the mutation-specific amplification system (ARMS) is how to design specific primers, because the sequences of the wild type and the mutant type are almost identical, except that the mutation site has a difference of one base, so if only the mutation The site is amplified at the end of the primer, and false-negative or false-positive amplification products are prone to appear during the amplification process, thereby affecting the accuracy of diagnosis. Therefore, the primer sequence before the mutation site is also required to artificially introduce 1-3 mismatched bases, thereby improving the specificity of...

Embodiment 2

[0066] Example 2: Using the kit, method, steps, etc. described in Example 1 to detect clinical samples

[0067] The kits were used to detect 62 positive screening samples, and at the same time, the positive samples detected by this method were sequenced and verified to confirm the accuracy of this method.

[0068] Judgments based:

[0069] When the melting point of the melting curve of the amplified product is 78.5°C, it is judged as the mutation at site G1376T;

[0070] When the melting point of the melting curve of the amplification product is 81°C, it is judged as the site G1388A mutation;

[0071] When the melting point of the melting curve of the amplified product is 83.5°C, it is judged as the site A95G mutation;

[0072] When the melting point of the melting curve of the amplified product is 86°C, it is judged as the site G871T mutation;

[0073] When the melting point of the amplification product melting curve is 87.5°C, it is judged as the site C1024T mutation.

...

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Abstract

The invention discloses a kit for fast detecting G6PD (glucose-6-phosphate dehydrogenase) deficiency disease gene mutations. The kit comprises an amplification detection reagent, wherein the amplification detection reagent comprises at least one primer pair in (1) to (5): (1) specific amplification primer pairs for detecting G6PD gene G1376Tmutation sites; (2) specific amplification primer pairs for detecting G6PD gene G1388Amutation sites; (3) specific amplification primer pairs for detecting G6PD gene A95Gmutation sites; (4) specific amplification primer pairs for detecting G6PD gene G871Tmutation sites; (5) specific amplification primer pairs for detecting G6PD gene C1024Tmutation sites. When the kit simultaneously comprises five primer pairs, the goal of simultaneously detecting five kinds of mutation types including G1376T, G1388A, A95G, G871T, and C1024T in a single reaction tube can be achieved.

Description

technical field [0001] The invention relates to the technical field of medical detection, in particular to a kit for rapidly detecting G6PD deficiency gene mutation. Background technique [0002] Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common hereditary erythrocyte enzyme disease, also known as favism, it is a key enzyme and rate-limiting in the glycolytic pentose phosphate bypass Enzymes are ubiquitously present in various biological cells. G6PD deficiency can cause drug-induced hemolysis, infectious hemolysis and non-spherical cell hemolytic anemia and other diseases. Acute hemolytic anemia in newborns can cause kernicterus, which can lead to mental retardation in severe cases. [0003] G6PD deficiency is common all over the world, and has regional specificity. The incidence of the disease is higher in tropical and subtropical regions, and there is a trend of high in the south and low in the north. There are obvious differences between different ethnic gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/6858
Inventor 樊祖茜孙雷唐维骏
Owner 钦州市妇幼保健院
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