Emerging Evidence for the Clinical Relevance of Pancreatic Cancer Exosomes

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The last 5 years have seen a dramatic increased interest in the field of exosome biology. Although much is unknown about the role of exosomes in human health and disease, disparate scientific disciplines are recognizing the highly conserved role that exosomes play in fundamental biological processes. Recently, there have been intriguing discoveries defining the role of exosomes in cancer biology. We performed a structured review of the English-language literature using the PubMed database searching for articles relating to exosomes and pancreatic ductal adenocarcinoma (PDAC). Articles were screened for relevance and content to judge for inclusion. Evidence implicates exosomes in the pathogenesis, local progression, metastasis, immune evasion, and intercellular communication of PDAC. Basic science discoveries in exosome biology have the potential to change the clinical management of PDAC, where, despite advances in early detection, diagnosis, staging, chemotherapy, and surgery, survival rates have been stagnant for decades and PDAC remains the most deadly human gastrointestinal malignancy.

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