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- Title
High NANOG expression correlates with worse patients' survival in esophageal adenocarcinoma.
- Authors
Knipper, Karl; Damanakis, Alexander I.; Lyu, Su Ir; Simon, Adrian Georg; Wahler, Isabell; Bruns, Christiane J.; Schröder, Wolfgang; Schmidt, Thomas; Quaas, Alexander
- Abstract
Background: Patients diagnosed with esophageal cancer demonstrate a low overall survival even despite the established multimodal therapy as the current standard of care. Therefore, further biomarkers for patients with high-risk and additional therapy options are needed. NANOG is a transcription factor, which can be found in stem cells and is known to support tumorigenesis. Methods: Six hundred sixty patients with esophageal adenocarcinoma, who were operated at the University of Cologne with a curative intent, were included. Immunohistochemical stainings for NANOG were performed. The study population was divided into NANOG-positive and -negative subgroups. Results: Positive NANOG expression correlates significantly with worse overall survival (p = 0.002) and could be confirmed as an independent risk factor for worse patient survival in multivariate analysis (HR = 1.40, 95%CI = 1.09–1.80, p = 0.006). This effect could be detected in the subgroup of primarily operated patients, but not in patients after neoadjuvant therapy. Conclusions: We describe a NANOG-positive subgroup of patients with esophageal cancer, who exhibit worse overall survival in a large patient cohort. This discovery suggests the potential use of NANOG as a biomarker for both intensified therapy and stricter follow-up regimes. Additionally, NANOG-positive stem cell-like cancer cells could be used as a new antitumoral treatment target if validated in mechanistic and clinical studies.
- Subjects
ESOPHAGEAL cancer; OVERALL survival; CANCER stem cells; COMBINED modality therapy; IMMUNOSTAINING; ADENOCARCINOMA
- Publication
BMC Cancer, 2023, Vol 23, Issue 1, p1
- ISSN
1471-2407
- Publication type
Article
- DOI
10.1186/s12885-023-11146-0