Intelligent Genetic Decoding System Based on Nucleic Acid Isothermal Amplification for Non-Small Cell Lung Cancer...

Area of Science:

• Molecular Biology
• Oncology
• Biotechnology

Background:

• Non-small cell lung cancer (NSCLC) remains a leading cause of cancer mortality globally.
• Targeting mutated epidermal growth factor receptor (EGFR) with tyrosine kinase inhibitors is a key NSCLC therapy.
• Precision medicine necessitates rapid and intelligent genetic testing for EGFR mutations.

Purpose of the Study:

• To develop a simple, fast, and intelligent assay for EGFR genetic decoding.
• To facilitate the popularization of precision medicine in NSCLC treatment.
• To provide a tool for accurate EGFR mutation identification in clinical settings.

Main Methods:

• A one-pot assay combining loop-mediated isothermal amplification and amplification refractory mutation system.
• Optimization of nucleic acid amplification components and conditions.
• Intelligent genetic decoding performed within a sealed tube to avoid contamination and complex processing.

Main Results:

• Achieved sensitive and specific identification of target variants (down to 60 copies, 0.1%) within 40 minutes, even with strong background interference.
• Accurately decoded the L858R EGFR mutation in highly heterogeneous cancerous tissue.
• Demonstrated the method's potential for extension to other genetic information decoding with tailor-made primers.

Conclusions:

• The developed one-pot assay offers a straightforward strategy for intelligent EGFR genetic decoding.
• This method overcomes limitations of complex operations and time-consuming data processing.
• The assay shows promise as a valuable tool for NSCLC diagnosis and personalized treatment in clinical practice.