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Schoeps, B.* ; Eckfeld, C.* ; Prokopchuk, O.* ; Böttcher, J.* ; Häußler, D.* ; Steiger, K.* ; Demir, I.E.* ; Knolle, P.* ; Soehnlein, O.* ; Jenne, D. ; Hermann, C.D.* ; Krüger, A.*

Timp1 triggers neutrophil extracellular trap formation in pancreatic cancer.

Cancer Res. 81, 3568-3579 (2021)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Tumor-derived protein tissue inhibitor of metalloproteinases-1 (TIMP1) correlates with poor prognosis in many cancers, including highly lethal pancreatic ductal adenocarcinoma (PDAC). The noncanonical signaling activity of TIMP1 is emerging as one basis for its contribution to cancer progression. However, TIMP1-triggered progression-related biological processes are largely unknown. Formation of neutrophil extracellular traps (NET) in the tumor microenvironment is known to drive progression of PDAC, but factors or molecular mechanisms initiating NET formation in PDAC remain elusive. In this study, gene-set enrichment analysis of a human PDAC proteome dataset revealed that TIMP1 protein expression most prominently correlates with neutrophil activation in patientderived tumor tissues. TIMP1 directly triggered formation of NETs in primary human neutrophils, which was dependent on the interaction of TIMP1 with its receptor CD63 and subsequent ERK signaling. In genetically engineered PDAC-bearing mice, TIMP1 significantly contributed to NET formation in tumors, and abrogation of TIMP1 or NETs prolonged survival. In patient-derived PDAC tumors, NETs predominantly colocalized with areas of elevated TIMP1 expression. Furthermore, TIMP1 plasma levels correlated with DNA-bound myeloperoxidase, a NET marker, in the blood of patients with PDAC. A combination of plasma levels of TIMP1 and NETs with the clinically established marker CA19-9 allowed improved identification of prognostically distinct PDAC patient subgroups. These observations may have a broader impact, because elevated systemic levels of TIMP1 are associated with the progression of a wide range of neutrophil-involved inflammatory diseases.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Tissue Inhibitor; Tumor; Cd63; Metalloproteinase-1; Cells
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 0008-5472
e-ISSN 1538-7445
Zeitschrift Cancer Research
Quellenangaben Band: 81, Heft: 13, Seiten: 3568-3579 Artikelnummer: , Supplement: ,
Verlag American Association for Cancer Research (AACR)
Verlagsort Philadelphia, Pa.
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Lung Health and Immunity (LHI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Lung Research
PSP-Element(e) G-501600-001
Förderungen German Center of Infection Research (DZIF)
Wilhelm Sander-Stiftung, Munich, Germany
Deutsche Forschungsgemeinschaft, Bonn, Germany
DOI 10.1158/0008-5472.CAN-20-4125
WOS ID WOS:000670539900013
Scopus ID 85109027686
Erfassungsdatum 2021-07-22
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