Journal
MOLECULAR CANCER
Volume 20, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12943-021-01309-7
Keywords
Pancreatic cancer; Liquid biopsy; Circulome; Bioinformatics; Diagnosis; Prognosis
Categories
Funding
- Guangzhou Science Technology and Innovation Commission [201807010107]
- National Natural Science Foundation of China [82072632]
- Guangzhou Municipality Bureau of Science and Technology, Guangzhou, China
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Early detection and diagnosis are crucial for successful management of pancreatic cancer. Liquid biopsies show potential in detecting early emergence of cancer cells, residual disease, and recurrence, as well as delineating the heterogeneity of pancreatic cancer. However, the performance of liquid biopsies varies across different studies and the diagnostic validity and accuracy still need further validation.
Early detection and diagnosis are the key to successful clinical management of pancreatic cancer and improve the patient outcome. However, due to the absence of early symptoms and the aggressiveness of pancreatic cancer, its 5-year survival rate remains below 5 %. Compared to tissue samples, liquid biopsies are of particular interest in clinical settings with respect to minimal invasiveness, repeated sampling, complete representation of the entire or multi-site tumor bulks. The potential of liquid biopsies in pancreatic cancer has been demonstrated by many studies which prove that liquid biopsies are able to detect early emergency of pancreatic cancer cells, residual disease, and recurrence. More interestingly, they show potential to delineate the heterogeneity, spatial and temporal, of pancreatic cancer. However, the performance of liquid biopsies for the diagnosis varies largely across different studies depending of the technique employed and also the type and stage of the tumor. One approach to improve the detect performance of liquid biopsies is to intensively inspect circulome and to define integrated biomarkers which simultaneously profile circulating tumor cells and DNA, extracellular vesicles, and circulating DNA, or cell free DNA and proteins. Moreover, the diagnostic validity and accuracy of liquid biopsies still need to be comprehensively demonstrated and validated.
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