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Prognostic significance of CUB domain containing protein expression in endometrioid adenocarcinoma

Mamat, Suhana and Ikeda, Jun-Ichiro and Enomoto, Takayuki and Ueda, Yutaka and ., Nur Rahadiani and Tian, Tian and Yi, Wang and Ying, Qiu and Kimura, Tadashi and Aozasa, Katsuyuki and Morii, Eiichi (2010) Prognostic significance of CUB domain containing protein expression in endometrioid adenocarcinoma. Onconology Reports , 23 (5). pp. 1221-1227. ISSN 1791-2431 (O), 1021-335X (P)

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CDCP1, a transmembrane protein with intracellular tyrosine residues which are phosphorylated upon activation, is supposed to be engaged in proliferative activities and resistance to apoptosis of cancer cells. High level of CDCP1 expression proved to be a poor prognosticator for lung adenocarcinoma. Here, expression level of CDCP1 was immunohistochemically examined in 110 cases (median age of 54.7 years) of endometrioid adenocarcinoma, and its clinical implications were evaluated. Tumor stage was stage I in 71 cases (64.5%), II in 5 (4.5%), III in 28 (25.5%), and IV in 6 (5.5%). Staining intensity of tumor cells was divided into two categories; tumor cells with no to weak and moderate to strong membrane staining. The intensity of CDCP1 expression in each case was defined by the staining of major population of cells as follows; cases with tumor cells showing no to weak and moderate to high membrane staining were categorized as CDCP1-low and CDCP1-high, respectively. Eighty-seven of 110 cases were categorized as CDCP1-high, and the remaining as CDCP1-low. Significant positive correlation was observed between low CDCP1 expression and stage (p=0.0091), relapse rate (p=0.0017), and poor prognosis (p=0.0009). Multivariate analysis revealed that low CDCP1 and advanced stage were independent poor prognostic factors for both OS and DFS. As compared to cancer cells, normal endometrium continuously expressed CDCP1. These suggested that the attitude of CDCP1 in cancers of lung and endometrium was different. Different role of CDCP1 by tissues and cancers is discussed.

Item Type: Article (Journal)
Additional Information: 4912/12093
Uncontrolled Keywords: EMTREE drug terms: cdcp 1 protein; membrane protein; unclassified drug EMTREE medical terms: adult; advanced cancer; aged; article; cancer recurrence; cancer relapse; cancer staging; controlled study; disease association; endometrioid adenocarcinoma; female; female genital tract cancer; human; human cell; human tissue; major clinical study; priority journal; prognosis; protein domain; protein expression; recurrence risk; staining; tumor cell MeSH: Adult; Aged; Antigens, CD; Carcinoma, Endometrioid; Cell Adhesion Molecules; Chi-Square Distribution; Disease-Free Survival; Endometrial Neoplasms; Female; Gene Expression Regulation, Neoplastic; Humans; Immunohistochemistry; Kaplan-Meiers Estimate; Middle Aged; Neoplasm Proteins; Neoplasm Staging; Predictive Value of Tests; Proportional Hazards Models; Reverse Transcriptase Polymerase Chain Reaction; Risk Assessment; Risk Factors; RNA, Messenger; Time Factors; Treatment Outcome; Tumor Markers, Biological; Young Adult Medline is the source for the MeSH terms of this document. Chemicals and CAS Registry Numbers Antigens, CD; CDCP1 protein, human; Cell Adhesion Molecules; Neoplasm Proteins; RNA, Messenger; Tumor Markers, Biological
Subjects: Q Science > QD Chemistry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Allied Health Sciences > Department of Basic Health Sciences (Until June 2011)
Depositing User: Nor Hazirah Mat Saad
Date Deposited: 13 Mar 2012 11:51
Last Modified: 20 Jul 2012 09:56
URI: http://irep.iium.edu.my/id/eprint/12093

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