A dna library for detecting and diagnosing pathogenic genes of ion channelopathies and its application
A technology of ion channelopathy and DNA library, applied in the field of DNA library, can solve the problems of timeliness and low throughput of multi-sample detection in gene detection area, reduce cost and labor intensity, wide coverage, and improve timeliness Effect
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Embodiment 1
[0056] 1. Reagents used in the method:
[0057] Ion AmpliSeq TM Library Kit 2.0, Ion PGM TM Template OT2 200 Kit v3, Ion Sequencing 200 Kit v2, Ion Xpress Barcode Adapters 1-16Kit, Ion 318 TM ChipKit v2
[0058] 2. Specimen collection and preservation
[0059] (1) Specimen collection: The specimen is the peripheral blood of the patient. Blood is 5ml of venous blood taken routinely, treated with EDTA anticoagulant.
[0060] (2) Storage: It can be detected immediately, stored at 4°C for one week, and stored at -80°C for more than one week.
[0061] 3. Detection steps and result analysis:
[0062] (1) Extraction of genomic DNA of specimens: DNA extraction of specimens was carried out according to the operation instructions of the blood DNA extraction kit of Tiangen Biochemical Technology (Beijing) Co., Ltd.
[0063] (2) Super multiplex PCR amplification and library building of the target detection region: with the whole exons of 74 genes involved in the present invent...
Embodiment 2
[0099] In the present invention, the primer pool contains 15 ion channelopathy pathogenic genes newly discovered by the inventor, as shown in the following table:
[0100]
[0101]
[0102] The newly discovered 15 ion channelopathy pathogenic genes come from the research accumulation and family investigation of the inventors over the years. The inventor first searched through the KEGG signaling pathway and the homologous gene library among the known ion channelopathy pathogenic genes to find the homologous genes of the known pathogenic genes. Then, targeted high-throughput sequencing was performed on the candidate homologous disease-causing genes in the large-scale case sample bank of Chinese Han patients accumulated over the years, and bioinformatics analysis was performed to screen and find the disease-causing mutations. Cases with pathogenic mutations were screened for follow-up and further family analysis, and the entire family of the patient was sequenced to verify ...
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