Interrogation of transcriptomic changes associated with drug-induced hepatic sinusoidal dilatation in colorectal cancer

Monika A Jarzabek, William R Proctor, Jennifer Vogt, Rupal Desai, Patrick Dicker, Gary Cain, Rajiv Raja, Jens Brodbeck, Dale Stevens, Eric P van der Stok, John W M Martens, Cornelis Verhoef, Priti S Hegde, Annette T Byrne and Jacqueline M Tarrant

PLOS ONE, 2018, vol. 13, issue 6, 1-20

Abstract: Drug-related sinusoidal dilatation (SD) is a common form of hepatotoxicity associated with oxaliplatin-based chemotherapy used prior to resection of colorectal liver metastases (CRLM). Recently, hepatic SD has also been associated with anti-delta like 4 (DLL4) cancer therapies targeting the NOTCH pathway. To investigate the hypothesis that NOTCH signaling plays an important role in drug-induced SD, gene expression changes were examined in livers from anti-DLL4 and oxaliplatin-induced SD in non-human primate (NHP) and patients, respectively. Putative mechanistic biomarkers of bevacizumab (bev)-mediated protection against oxaliplatin-induced SD were also investigated. RNA was extracted from whole liver sections or centrilobular regions by laser-capture microdissection (LCM) obtained from NHP administered anti-DLL4 fragment antigen-binding (F(ab’)2 or patients with CRLM receiving oxaliplatin-based chemotherapy with or without bev. mRNA expression was quantified using high-throughput real-time quantitative PCR. Significance analysis was used to identify genes with differential expression patterns (false discovery rate (FDR)

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0198099

DOI: 10.1371/journal.pone.0198099

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