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The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Cancer-associated fibroblast exosomes regulate survival and proliferation of pancreatic cancer cells

Open access
Richards, K E, Zeleniak, A E, Fishel, M L, Wu, J, Littlepage, L E, Hill, R·2017·Oncogene

Abstract

Cancer-associated fibroblasts (CAFs) comprise the majority of the tumor bulk of pancreatic ductal adenocarcinomas (PDACs). Current efforts to eradicate these tumors focus predominantly on targeting the proliferation of rapidly growing cancer epithelial cells. We know that this is largely ineffective with resistance arising in most tumors following exposure to chemotherapy. Despite the long-standing recognition of the prominence of CAFs in PDAC, the effect of chemotherapy on CAFs and how they may contribute to drug resistance in neighboring cancer cells is not well characterized. Here, we show that CAFs exposed to chemotherapy have an active role in regulating the survival and proliferation of cancer cells. We found that CAFs are intrinsically resistant to gemcitabine, the chemotherapeutic standard of care for PDAC. Further, CAFs exposed to gemcitabine significantly increase the release of extracellular vesicles called exosomes. These exosomes increased chemoresistance-inducing factor, Snail, in recipient epithelial cells and promote proliferation and drug resistance. Finally, treatment of gemcitabine-exposed CAFs with an inhibitor of exosome release, GW4869, significantly reduces survival in co-cultured epithelial cells, signifying an important role of CAF exosomes in chemotherapeutic drug resistance. Collectively, these findings show the potential for exosome inhibitors as treatment options alongside chemotherapy for overcoming PDAC chemoresistance.

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Metadata

Authors
Richards, K. E., Zeleniak, A. E., Fishel, M. L., Wu, J., Littlepage, L. E., & Hill, R.
Venue
Oncogene
Published
2016-09-26
Volume
36
Issue
13
Pages
1770-1778
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2433751364
Cited by
735
References
6
FWCI
24.68
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Cancer-associated fibroblast exosomes regulate survival and proliferation of pancreatic cancer cells. https://app.cochat.ai/papers/10.1038/onc.2016.353
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Richards, K. E., Zeleniak, A. E., Fishel, M. L., Wu, J., Littlepage, L. E., & Hill, R. (2017). Cancer-associated fibroblast exosomes regulate survival and proliferation of pancreatic cancer cells. Oncogene. https://doi.org/10.1038/onc.2016.353

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