Tumour Cell Secretome in Chemoresistance and Tumour Recurrence
- PMID: 32460003
- DOI: 10.1016/j.trecan.2020.02.020
Tumour Cell Secretome in Chemoresistance and Tumour Recurrence
Abstract
Chemoresistance is a major factor driving tumour relapse and the high rates of cancer-related deaths. Understanding how cancer cells overcome chemotherapy-induced cell death is critical in promoting patient survival. One emerging mechanism of chemoresistance is the tumour cell secretome (TCS), an array of protumorigenic factors released by tumour cells. Chemotherapy exposure can also alter the composition of the TCS, known as therapy-induced TCS, and can promote tumour relapse and the formation of an immunosuppressive tumour microenvironment (TME). Here, we outline how the TCS can protect cancer cells from chemotherapy-induced cell death. We also highlight recent evidence describing how therapy-induced TCS can impact cancer stem cell (CSC) expansion and tumour-associated immune cells to enable tumour regrowth and antitumour immunity.
Keywords: cancer stem cells (CSCs); chemoresistance; immune escape, tumour cell secretome (TCS); tumour microenvironment (TME); tumour relapse.
Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved.
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