Cancer investigation · 2018
Serial Endoscopic Evaluation of Esophageal Disease in a Cancer Model: A Paradigm Shift for Esophageal Adenocarcinoma (EAC) Drug Discovery and Development.
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Omstead Ashten N, Kosovec Juliann E, Matsui Daisuke, Martin Samantha A, Smith Matthew A, Aaron Guel D, Kolano Jenna, Komatsu Yoshihiro, Habib Fahim, Lai Christopher, Christopher Kevi, Kelly Ronan J, Zaidi Ali H, Jobe Blair A
Аннотация
A rat model of surgically induced reflux recapitulates the development and progression of human esophageal adenocarcinoma (EAC). In this study, reflux was induced in rats followed by postoperative endoscopy with biopsy, to diagnose and monitor disease progression. Overall, percentage agreement between visual endoscopy and gold standard histology was 95%, with disease-specific classification accuracies of 100% and 75% for Barrett's with dysplasia and EAC, respectively. Additionally, the percentage agreement for biopsy in tumors >4 mm was 75%. Thereby, establishing endoscopic evaluation as a reliable tool to assess disease progression and provide biopsies for downstream correlates in a de novo EAC model.
Предметные рубрики MeSH
AdenocarcinomaAnimalsAntineoplastic AgentsBarrett EsophagusBiopsyDisease Models, AnimalDisease ProgressionDrug DiscoveryEsophageal NeoplasmsEsophagoscopyEsophagostomyEsophagusGastroesophageal RefluxJejunostomyMalePredictive Value of TestsRats, Sprague-DawleyReproducibility of ResultsTime FactorsTumor Burden