Expression of ROR1, pAkt, and pCREB in gastric adenocarcinoma
- Authors
- Chang, Hyeyoon; Jung, Woon Yong; Kang, Youngran; Lee, Hyunjoo; Kim, Aeree; Kim, Baek-hui
- Issue Date
- Oct-2015
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- ROR1; Akt; CREB; Adenocarcinoma; Stomach
- Citation
- ANNALS OF DIAGNOSTIC PATHOLOGY, v.19, no.5, pp.330 - 334
- Indexed
- SCIE
SCOPUS
- Journal Title
- ANNALS OF DIAGNOSTIC PATHOLOGY
- Volume
- 19
- Number
- 5
- Start Page
- 330
- End Page
- 334
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156138
- DOI
- 10.1016/j.anndiagpath.2015.06.010
- ISSN
- 1092-9134
- Abstract
- The receptor tyrosine kinase-like orphan receptor 1 (ROR1) is a transmembrane protein of receptor tyrosine kinase family. High expression of ROR1 is reported in many types of malignancies and is thought to be involved in tumor growth, apoptosis, and epithelial-mesenchymal transition. In this study, we examined the expression of ROR1, pAkt, and pCREB in gastric adenocarcinoma and analyzed with clinicopathologic factors and tumor proliferation. Tissue microarray blocks containing 424 gastric adenocarcinomas were used for immunohistochemical staining. Ki-67 labeling index was used for tumor proliferation activity. High expression of ROR1 (63%), pAkt (36%), and pCREB (20%) was observed in gastric adenocarcinomas, and expression of these proteins was well intercorrelated. ROR1 and pCREB expression was associated with Ki-67 labeling index (P < .001). Expression of pAkt and pCREB group showed longer survival in univariate analysis (P = .007 and P < .001, respectively). This is the first study that analyzed ROR1 expression in gastric adenocarcinoma tissue samples. We revealed that gastric adenocarcinomas highly express ROR1 and related proteins and its prognostic significance. ROR1 in gastric adenocarcinoma could be possible candidate of therapeutic target and more comprehensive study is required.
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