2010
DOI: 10.1158/1078-0432.ccr-10-0014
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Chemotherapy-Induced Activation of ADAM-17: A Novel Mechanism of Drug Resistance in Colorectal Cancer

Abstract: Purpose: We have shown previously that exposure to anticancer drugs can trigger the activation of human epidermal receptor survival pathways in colorectal cancer (CRC). In this study, we examined the role of ADAMs (a disintegrin and metalloproteinases) and soluble growth factors in this acute drug resistance mechanism.Experimental Design: In vitro and in vivo models of CRC were assessed. ADAM-17 activity was measured using a fluorometric assay. Ligand shedding was assessed by ELISA or Western blotting. Apoptos… Show more

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Cited by 87 publications
(93 citation statements)
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“…These discrepancies may depend on the different cellular systems and/or experimental conditions used. Our evidence for ROS involvement in ADAM10 upregulation and MICB shedding are in line with the notion that conditions causing cellular stress, including ionizing radiation, chemotherapeutic agents, or ROS, can lead to increased metalloproteinase-mediated release of cell surface molecules (49)(50)(51) and suggest that stress stimuli promote the proteolytic process by upregulating metalloproteinase expression and activity. We also are the first to describe, to our knowledge, that genotoxic stress-induced upregulation of ADAM10 expression and sMICB secretion are primarily associated with senescent cells.…”
Section: Discussionsupporting
confidence: 87%
“…These discrepancies may depend on the different cellular systems and/or experimental conditions used. Our evidence for ROS involvement in ADAM10 upregulation and MICB shedding are in line with the notion that conditions causing cellular stress, including ionizing radiation, chemotherapeutic agents, or ROS, can lead to increased metalloproteinase-mediated release of cell surface molecules (49)(50)(51) and suggest that stress stimuli promote the proteolytic process by upregulating metalloproteinase expression and activity. We also are the first to describe, to our knowledge, that genotoxic stress-induced upregulation of ADAM10 expression and sMICB secretion are primarily associated with senescent cells.…”
Section: Discussionsupporting
confidence: 87%
“…ADAM17 activity is also increased on cellular treatment with chemotherapeutic agents (40,41) and ADAM17 activation by the antimetabolite 5-FU and the topoisomerase I inhibitor SN-38 primarily occurs in a Kras-mutated background and via the MAP/ERK kinase pathway. Our results demonstrate that irradiation promotes ADAM17 activation, but in a furinmediated way and interestingly, in both Kras-wild-type (NCI-H125, CALU-3) and Kras-mutated NSCLC cell lines (A549, H460).…”
Section: Discussionmentioning
confidence: 99%
“…Accumulating evidence suggests that ADAMs are also important in cell survival (18,19). Certain members of the ADAM family, including ADAM9, ADAM10 and ADAM17, are closely involved in tumorigenesis, and the development and metastasis of tumors (13,20,21).…”
Section: Discussionmentioning
confidence: 99%