Abstract
Pancreatic cancer is a malignant tumor of the digestive system. Due to its early metastatic nature, more than 80% of pancreatic cancer patients have invasive disease at the time of diagnosis, and only about 10%-20% of patients are suitable for radical surgery. For patients who have the opportunity to undergo radical resection of pancreatic cancer, most will develop postoperative recurrence, distant metastasis and resistance to chemotherapy. As a result, the 5-year survival rate is still less than 6%. Therefore, pancreatic cancer has become a serious threat to human health. Therefore, there is an urgent need to find new reliable tumor markers and molecular therapeutic targets. In recent years, microRNAs (miRNAs) have gradually become a hotspot in the research of tumors. Increasing data indicate that miRNAs are involved in tumor development and progression, diagnosis, treatment and so on. miRNAs are considered to be a new set of oncogenes or tumor suppressor genes, and they brought new hope to the diagnosis and treatment of pancreatic cancer.
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