tsRNA sequencing of 3 primary tumor tissues and 3 metastastic tumor tissues of pancreatic cancer
To identify and characterize differentially expressed tsRNA, we collected 3 primary tissues and 3 liver metastasis tissues in pancreatic cancer, and compared the tsRNA expression profiles between primary tissues and liver metastasis tissues in pancreatic cancer using tsRNA sequencing. Overall design: We used 3 primary tissues of pancreatic cancer as control, and  3 liver metastasis tissues of pancreatic cancer as the *experimental group.