胃癌qBiomarker体细胞突变PCR芯片 Gastric Cancer qBiomarker Mutation PCR Array

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胃癌qBiomarker体细胞突变PCR芯片 Gastric Cancer qBiomarker Mutation PCR Array

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简介：	Gastric Cancer qBiomarker Mutation PCR Array 胃癌qBiomarker体细胞突变PCR芯片
提供商：	SAbiosciences
服务名称：	胃癌qBiomarker体细胞突变PCR芯片
地区：	美国

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Gastric Cancer qBiomarker Mutation PCR Array

胃癌qBiomarker体细胞突变PCR芯片

Product	Species	Technology	Cat. No.
Gastric Cancer qBiomarker Mutation PCR Array	Human	Somatic Mutation	SMH-041A

The Human Gastric Cancer qBiomarker Somatic Mutation PCR Array is a translational research tool that allows rapid, accurate and comprehensive profiling of the somatic mutations in human gastric cancer samples in the following key genes: APC, BRAF, CDH1, CDKN2A, CTNNB1, ERBB2, FBXW7, HRAS, KRAS, NRAS, PDGFRA, PIK3CA and P53. These mutations warrant extensive investigation to enhance the understanding of carcinogenesis and identify potential drug targets. The utility of individual and multiple somatic mutation status information in identifying key signaling transduction disruptions has been demonstrated in numerous research studies. For example, the mutation status of the EGFR and KRAS genes can predict the physiological response to certain drugs targeting these molecules. The Human Gastric Cancer qBiomarker Somatic Mutation PCR Array, with its comprehensive content coverage, is designed for studying mutations in the context of cancer and has the potential for discovering and verifying drug target biomarkers for this cancer type and other cancer types in which these mutations were identified. This array includes 81 DNA sequence mutation assays designed to detect the most frequent, functionally verified, and biologically significant mutations in human cancer. These mutations were chosen from curated, comprehensive somatic mutation databases and peer-reviewed scientific literature, and represent the most frequently recurring somatic mutations compiled from over 2000 gastric cancer samples. The simplicity of the product format and operating procedure allows routine somatic mutation profiling in any research laboratory with access to real-time PCR instruments
胃癌qBiomarker体细胞突变PCR芯片是一个翻译研究工具,用于快速、准确、全面剖析人胃癌样本中发生体细胞突的癌症样本的基因:APC, BRAF, CDH1, CDKN2A, CTNNB1, ERBB2, FBXW7, HRAS, KRAS, NRAS, PDGFRA, PIK3CA and P53.这些突变保证广泛的研究,以提高致癌作用的理解和鉴定潜在的药物靶点。已有许多研究通过单个和多个体细胞突变状态信息鉴定关键信号转导中断。例如,EGFR和KRAS基因的突变状态可以预测某些药物针对这些分子的生理反应。人类胃癌症qBiomarker体细胞突变PCR芯片以其全面的内容覆盖范围，用于研究胃癌的环境突变且有潜力用于发现胃癌和这些突变已确定的其他癌症的靶向药物的靶标。这个芯片包含81个DNA突变序列用于检测最频繁的，功能性验证，在人类人类胃癌有生物学意义的突变。这些突变的选择根据全面的体细胞突变数据库和同行评审的科学文献，来自2000多个胃癌样本表现最频繁重复编译的体细胞突变。产品的简单格式和操作程序允许在任何常规的体细胞突变分析研究实验室提供实时PCR仪器。简单的产品模式和操作程序让任何一个具备实时定量PCR仪的实验室都可进行常规的体细胞突变分析。
APC: 4 Assays
The most commonly detected APC inactivation mutations are mainly composed of truncation mutations (due to nonsense mutations and frameshift mutations) and point mutations between codons 1250 and 1578.
BRAF: 2 Assays
There are two major classes of BRAF mutations. One class leads to increased BRAF kinase activity, such as the p. V600E mutation. The other class leads to impaired kinase activity, such as the p.G469A mutation.
CDH1: 1 Assay
The top CDH1 mutations either are missense mutations or frameshift mutations that lead to C-terminal truncation and secreted E-cadherin fragments.
CDKN2A: 1 Assay
The top CDKN2A loss-of-function mutations occur in the consensus ankyrin domain, which leads to inability to form stable complexes with its targets.
CTNNB1: 18 Assays
The most frequently detected CTNNB1/beta-catenin mutations result in abnormal signaling in the WNT signaling pathway. The mutated codons are mainly several serine/threonine residues targeted for phosphorylation by GSK-3beta.
ERBB2: 2 Assays
The most frequently identified ERBB2 activating mutations cluster in the ERBB2 kinase domain region.
FBXW7: 1 Assay
Typically detected mutations lay in either the third or fourth repeat of the protein's WD40 domain, typically involved in protein-protein interactions.
HRAS: 1 Assay
The most important HRAS mutation in gastric cancer occurs at codon 12.
KRAS: 10 Assays
The mutation assays include the most frequently occurring mutations in KRAS codons 12, 13, and 61. Mutations at these positions result in reduced intrinsic GTPase activity and/or cause KRAS to become unresponsive to RasGAP.
NRAS: 1 Assay
The most important NRAS mutation in gastric cancer occurs at codon 13.
PDGFRA: 1 Assay
The most frequently identified PDGFRA gain-of-function mutations include deletion, point mutation, and deletion-insertion mutations in regions p.D842-S847 and p.R554-E571 as well as the point mutations p.N659Y and p.T674I.
PIK3CA: 4 Assays
The most frequently occurring PIK3CA mutations mainly belong to two classes: gain-of-function kinase domain activating mutations and helical domain mutations that mimic activation by growth factors.
TP53: 35 Assays
The most frequently detected somatic mutations in TP53 are largely composed of DNA-binding domain mutations which disrupt either DNA binding or protein structure.

Overview of the qBiomarker Somatic Mutation PCR Array / Assay Protocol

Overview of the qBiomarker Somatic Mutation PCR Array / Assay Protocol.
The procedure involves DNA extraction (QIAGEN QIAamp DNA Mini Kit or FFPE Tissue Kit is recommended), an optional amplification (QIAGEN REPLI-g kit or REPLI-g UltraFast kit is recommended) step for DNA isolated from fresh samples, qPCR detection on qBiomarker Somatic Mutation PCR Arrays or Assays, and data analysis (using the qBiomarker Somatic Mutation Data Analysis Template). An optional DNA sample QC step immediately before the detection array or assay setup allows the user to qualify the DNA samples.

Principle of Mutant Discrimination with ARMS®