Bartsch, D.K.* ; Gercke, N.* ; Strauch, K. ; Wieboldt, R.* ; Matthäi, E.* ; Wagner, V.* ; Rospleszcz, S ; Schäfer, A.S.* ; Franke, F.S.* ; Mintziras, I.* ; Bauer, C.* ; Grote, T.* ; Figiel, J.* ; Di Fazio, P.* ; Burchert, A.* ; Reinartz, S.* ; Pogge von Strandmann, E.* ; Klöppel, G.* ; Slater, E.P.*
The Combination of MiRNA-196b, LCN2, and TIMP1 is a potential set of circulating biomarkers for screening individuals at risk for familial pancreatic cancer.
J. Clin. Med. 7:295 (2018)
Individuals at risk (IAR) of familial pancreatic cancer (FPC) are good candidates for screening. Unfortunately, neither reliable imaging modalities nor biomarkers are available to detect high-grade precursor lesions or early cancer. Circulating levels of candidate biomarkers LCN2, TIMP1, Glypican-1, RNU2-1f, and miRNA-196b were analyzed in 218 individuals with sporadic pancreatic ductal adenocarcinoma (PDAC, n = 50), FPC (n = 20), chronic pancreatitis (n = 10), IAR with relevant precursor lesions (n = 11) or non-relevant lesions (n = 5), 20 controls, and IAR with (n = 51) or without (n = 51) lesions on pancreatic imaging. In addition, corresponding duodenal juice samples were analyzed for Glypican-1 (n = 144) enrichment and KRAS mutations (n = 123). The panel miR-196b/LCN2/TIMP1 could distinguish high-grade lesions and stage I PDAC from controls with absolute specificity and sensitivity. In contrast, Glypican-1 enrichment in serum exosomes and duodenal juice was not diagnostic. KRAS mutations in duodenal juice were detected in 9 of 12 patients with PDAC and only 4 of 9 IAR with relevant precursor lesions. IAR with lesions on imaging had elevated miR-196b/LCN2/TIMP1 levels (p = 0.0007) and KRAS mutations in duodenal juice (p = 0.0004) significantly more often than IAR without imaging lesions. The combination miR-196b/LCN2/TIMP1 might be a promising biomarker set for the detection of high-grade PDAC precursor lesions in IAR of FPC families.
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Article: Journal article
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Scientific Article
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Keywords
Pancreatic Ductal Adenocarcinoma ; Lcn2 ; Ngal ; Timp1 ; Glypican-1 ; Mirna-196b ; Kras Mutation; Gelatinase-associated Lipocalin; Intraepithelial Neoplasia; Diagnostic Biomarker; Microrna; Adenocarcinoma; Validation; Exosomes; Marker; Ngal
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Language
english
Publication Year
2018
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2018
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2077-0383
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2077-0383
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Volume: 7,
Issue: 10,
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Article Number: 295
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MDPI
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Peer reviewed
POF-Topic(s)
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Research field(s)
Genetics and Epidemiology
PSP Element(s)
G-504100-001
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Erfassungsdatum
2018-10-29