Gastric cancer (GC) is one of the most common tumors worldwide and the leading cause of tumor-related mortality. Endoscopy and serological tumor marker testing are currently the main methods of GC screening, and treatment relies on surgical resection or chemotherapy. However, traditional examination and treatment methods are more harmful to patients and less sensitive and accurate. A minimally invasive method to respond to GC early screening, prognosis monitoring, treatment efficacy, and drug resistance situations is urgently needed. As a result, liquid biopsy techniques have received much attention in the clinical application of GC. The non-invasive liquid biopsy technique requires fewer samples, is reproducible, and can guide individualized patient treatment by monitoring patients' molecular-level changes in real-time. In this review, we introduced the clinical applications of circulating tumor cells, circulating free DNA, circulating tumor DNA, non-coding RNAs, exosomes, and proteins, which are the primary markers in liquid biopsy technology in GC. We also discuss the current limitations and future trends of liquid biopsy technology as applied to early clinical biopsy technology.
Keyphrases
- circulating tumor
- circulating tumor cells
- ultrasound guided
- minimally invasive
- fine needle aspiration
- end stage renal disease
- ionic liquid
- stem cells
- mesenchymal stem cells
- newly diagnosed
- cell free
- radiation therapy
- combination therapy
- type diabetes
- gas chromatography
- bone marrow
- current status
- patient reported
- smoking cessation
- real time pcr