Loss of HES-1 Expression Predicts a Poor Prognosis for Small Intestinal Adenocarcinoma Patientsopen access
- Authors
- Kim, Jeong Won; Jun, Sun-Young; Ylaya, Kris; Chang, Hee-Kyung; Oh, Young-Ha; Hong, Seung-Mo; Chung, Joon-Yong; Hewitt, Stephen M.
- Issue Date
- Aug-2020
- Publisher
- FRONTIERS MEDIA SA
- Keywords
- HES-1; KRAS; prognosis; small intestine; adenocarcinoma
- Citation
- FRONTIERS IN ONCOLOGY, v.10, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- FRONTIERS IN ONCOLOGY
- Volume
- 10
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/142600
- DOI
- 10.3389/fonc.2020.01427
- ISSN
- 2234-943X
- Abstract
- Objective: Hairy and enhancer of split-1 (HES-1), which is a downstream target of the Notch signaling pathway, has been linked to KRAS mutations. HES-1 has been proposed as harboring oncogenic activity in colorectal cancer but has not been investigated in adenocarcinoma of the small intestine, where the drivers of oncogenesis are not as well-understood.
Materials and Methods: To investigate the clinicopathologic and prognostic implications of HES-1, HES-1 immunohistochemical expression was analyzed in digital images along with clinicopathological variables, including survival and KRAS genotype, in 185 small intestinal adenocarcinomas.
Results: The loss of HES-1 expression (HES-1Loss) was observed in 38.4% (71/185) of the patients, and was associated with higher pT category (P = 0.018), pancreatic invasion (P = 0.005), high grade (P = 0.043), and non-tubular histology (P = 0.004). Specifically, in tumors with mutant KRAS (KRASMT), HES-1Loss was related to proximal location (P = 0.024), high T and N categories (P = 0.005 and 0.047, respectively), and pancreatic invasion (P = 0.004). Patients with HES-1Loss showed worse overall survival compared to those with intact HES-1 (HES-1Intact) (P = 0.013). Patients with HES-1Loss/KRASMT (median, 17.3 months) had significantly worse outcomes than those with HES-1Intact/KRASWT (39.9 months), HES-1Intact/KRASMT (47.6 month), and HES-1Loss/KRASWT (36.2 months; P = 0.010). By multivariate analysis, HES-1Loss (hazard ratio = 1.55, 95% confidence interval (CI), 1.07–2.26; P = 0.022) remained an independent prognostic factor.
Conclusion: HES-1expression can be used as a potential prognostic marker and may aid in the management of patients with small intestinal adenocarcinomas.
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