Diagnostic kit and method for detecting mutation on human C-Kit gene exon 13
A kit and exon technology, which is applied in the field of diagnostic kits for detecting mutations in exon 13 of the human C-Kit gene, can solve the problems of not being able to meet practical applications, single detection sites, and long time-consuming, and achieve clinical Good application prospect, good specificity and low cost effect
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Embodiment 1
[0034] Example 1 The present invention detects the kit and detection method of exon 13 mutation of C-Kit gene
[0035] One, the composition of kit of the present invention
[0036] PCR amplification reagent (1 serving):
[0037] water
14.85μl
10XPCR buffer
2.5μl
MgCl2 (25mM)
0.75μl
UTP PLUS
0.5μl
Primer solution
1μl
UNG
0.2μl
Taq
0.2μl
overall system
20μl
[0038] Wherein "Primer solution" is prepared as follows:
[0039] C13F1 (100nM / ml)
3.125μl
C13F2 (100nM / ml)
3.125μl
C13F3 (100nM / ml)
3.125μl
C13R (100nM / ml)
3.125μl
C13P (100nM / ml)
0.625μl
h 2 o
11.875μl
total
25μl
[0040] Amplification primers and detection probes for c-kit gene exon 13 mutation:
[0041]
[0042] External control primers and probes:
[0043]
[0044] 2. Using the kit of the present invention to detect mutations in ex...
experiment example 1
[0080] Experimental example 1 The accuracy detection of kit of the present invention and method
[0081] 1. Sample to be tested
[0082] One case of clinical GIST paraffin tissue samples with known mutation type of exon 13 mutation of c-kit gene (respectively K642E, V654A, N655K mutation) was selected (for the sequencing results of K642E mutation, see figure 1 ) and a known wild-type clinical GIST paraffin tissue sample to detect the mutation type of human c-kit gene.
[0083] 2. Detection method
[0084] The method of the present invention: adopt the kit of embodiment 1, detect according to the method of embodiment 1.
[0085] Sample DNA extraction method: extract with Qiagen kit:
[0086] 1) Use a scalpel to remove the useless paraffin at the tissue border;
[0087] 2) Cutting the paraffin-embedded tissue into 4 μm thick slices;
[0088] 3) Quickly take 2-6 pieces with sterilized tweezers and put them into DNase / RNase Free EP tubes (each spreading area is 500 (maximum) ...
experiment example 2
[0107] Experimental example 2 sensitivity analysis of kit of the present invention and method
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