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Analysis of KIT and PDGFRA Somatic Mutations in all GIST samples by RT-qPCR (CAT#: STEM-MT-0002-LGZ)

Introduction

Gastrointestinal stromal tumors (GISTs) are the most common stromal tumors affecting the gastrointestinal tract, but still account for less than 1% of all gastrointestinal tumors. The estimated annual incidence of clinically relevant GIST is approximately 1 in 100,000 per year. Approximately 85% of GISTs contain mutually exclusive activating mutations in genes encoding the KIT proto-oncogene, receptor tyrosine kinase (KIT), or platelet-derived growth factor receptor alpha (PDGFRA) tyrosine kinase receptor, resulting in Ligand-independent activation that sensitizes tumor cells to tyrosine kinase inhibitors (TKIs).




Principle

Quantitative reverse transcription PCR (RT-qPCR) is an experimental method applied to PCR experiments using RNA as the starting material. In this method, total or messenger RNA (mRNA) is first transcribed into complementary DNA (cDNA) by reverse transcriptase. Subsequently, qPCR reaction was performed using cDNA as template.

Applications

Gastrointestinal Stromal Tumors (GIST)

Procedure

1. Sample processing and preparation of PCR reaction system.
2. Add the amplification template, cover the PCR reaction cover, mix well, centrifuge at low speed instantaneously, and transfer to the PCR instrument.
3. Set the program for PCR amplification.
4. Data analysis.

Materials

Sample: depends on the customer's analysis requirements