ATM gene mutation detection specific primer and liquid chip
A detection solution and specificity technology, which is applied in the field of molecular biology, can solve problems such as unusable and unsatisfactory for practical applications, and achieve consistent detection results, improve detection accuracy, and simple steps
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Embodiment 1
[0021] Embodiment 1 ATM gene mutation detection liquid chip mainly includes:
[0022] 1. ASPE Primers
[0023] Specific primer sequences were designed for wild type and mutant types of six common genotypes of ATM gene T2572C, A7325C, G7328A, C9022T, G9023A and C9139T. ASPE primers consist of "tag sequence + specific primer sequence". ASPE primer sequences are shown in the table below:
[0024] The ASPE primer sequence (tag sequence+specific primer sequence) of table 1ATM gene
[0025]
[0026]
[0027] Each ASPE primer includes two parts, the 5' end is a specific tag sequence for the anti-tag sequence on the corresponding microsphere, and the 3' end is a mutant or wild-type specific primer fragment (as shown in the above table 1). All ASPE primers were synthesized by Shanghai Sangon Bioengineering Technology Service Co., Ltd. Each synthesized primer was prepared into a stock solution of 100 pmol / mL with 10 mmol / L Tris Buffer.
[0028] 2. Microspheres coated with ant...
Embodiment 3
[0087] The liquid phase chip of embodiment 3 different ASPE primers is to the detection of ATM gene mutation site
[0088] 1. Design of liquid phase chip preparation (selection of tag sequence and Anti-tag sequence)
[0089] Taking the ATM gene T2572C and G7328A site mutation detection liquid chip as an example, the specific primer sequence of the 3' end of the ASPE primer was designed for the wild type and mutant type of T2572C and G7328A respectively, and the tag sequence of the 5' end of the ASPE primer was selected from SEQ ID NO.1-SEQ ID NO.12, correspondingly, the anti-tag sequence coated on the microsphere and complementary to the corresponding tag sequence is selected from SEQ ID NO.25-SEQ ID NO.36. The specific design is shown in the following table (Table 7). The synthesis of ASPE primers, microspheres coated with anti-tag sequences, amplification primers, detection methods, etc. are as described in Example 1 and Example 2.
[0090] Table 7 Design of liquid phase c...
Embodiment 4
[0102] The selection of embodiment 4ATM gene mutation detection specific primer sequence
[0103] 1. Design of liquid-phase chip preparation (selection of wild-type and mutant-specific primer sequences)
[0104] Taking the ATM gene A7325C and C9022T mutation site detection liquid chip as an example, using the forward or reverse complementary sequence of the target sequence where the mutation site is located as a template, design ASPE primers for the wild type and mutant type of A7325C and C9022T respectively The specific primer sequences at the 3' end include the preferred specific primer sequences and 2 alternative specific primer sequences in Example 1 of the present invention, as shown in Table 10. in, Inner bases are mutation sites.
[0105] Table 10 specific primer sequence
[0106]
[0107]
[0108] Taking the mutation site detection liquid chip of ATM gene A7325C and C9022T as an example, different specific primer sequences were selected for A7325C and C9022T,...
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