In the development of lung cancer, due to the lack of effective early screening and diagnosis of tumor molecular markers, most of the patients with clinical diagnosis of lung cancer are late, leading to patients missing the best opportunity for treatment, so that the survival rate is significantly reduced. A large number of studies have shown that there are some miRNAs in the blood of patients with lung cancer, which are expected to screen biomarkers of early lung cancer through high-throughput sequencing and apply to the early diagnosis and treatment of lung cancer. Analysis of miRNA at different expression levels is helpful to understand the pathogenesis of lung cancer and elucidate the role of miRNA in lung cancerAccording to the high-throughput sequencing data of our research group, mir-20b was selected as the research object by comparing the expression level of miRNA in the whole genome between lung cancer tissue and normal lung tissue samples, and verified in TCGA database. In this chapter, we studied the expression of mir-20b in NSCLC patients' plasma and lung cancer cell lines.
In the development of lung cancer, due to the lack of effective early screening and diagnosis of tumor molecular markers, most of the patients with clinical diagnosis of lung cancer are late, leading to patients missing the best opportunity for treatment, so that the survival rate is significantly reduced. A large number of studies have shown that there are some miRNAs in the blood of patients with lung cancer, which are expected to screen biomarkers of early lung cancer through high-throughput sequencing and apply to the early diagnosis and treatment of lung cancer. Analysis of miRNA at different expression levels is helpful to understand the pathogenesis of lung cancer and elucidate the role of miRNA in lung cancer<br><br>According to the high-throughput sequencing data of our research group, mir-20b was selected as the research object by comparing the expression level of miRNA in the whole genome between lung cancer tissue and normal lung tissue samples, and verified in TCGA database. In this chapter, we studied the expression of mir-20b in NSCLC patients' plasma and lung cancer cell lines.
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