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Tumor-associated fibrosis as a regulator of tumor immunity and response to immunotherapy.


ABSTRACT: Tumor-associated fibrosis is characterized by unchecked pro-fibrotic and pro-inflammatory signaling. The components of fibrosis including significant numbers of cancer-associated fibroblasts, dense collagen deposition, and extracellular matrix stiffness, are well appreciated regulators of tumor progression but may also be critical regulators of immune surveillance. While this suggests that the efficacy of immunotherapy may be limited in highly fibrotic cancers like pancreas, it also suggests a therapeutic opportunity to target fibrosis in these tumor types to reawaken anti-tumor immunity. This review discusses the mechanisms by which fibrosis might subvert tumor immunity and how to overcome these mechanisms.

SUBMITTER: Jiang H 

PROVIDER: S-EPMC5603233 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Tumor-associated fibrosis as a regulator of tumor immunity and response to immunotherapy.

Jiang Hong H   Hegde Samarth S   DeNardo David G DG  

Cancer immunology, immunotherapy : CII 20170427 8


Tumor-associated fibrosis is characterized by unchecked pro-fibrotic and pro-inflammatory signaling. The components of fibrosis including significant numbers of cancer-associated fibroblasts, dense collagen deposition, and extracellular matrix stiffness, are well appreciated regulators of tumor progression but may also be critical regulators of immune surveillance. While this suggests that the efficacy of immunotherapy may be limited in highly fibrotic cancers like pancreas, it also suggests a t  ...[more]

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