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Hum Pathol. 2014 May;45(5):1031-8. doi: 10.1016/j.humpath.2013.12.020. Epub 2014 Jan 21.

Cthrc1 overexpression is an independent prognostic marker in gastric cancer.

Author information

  • 1Department of Gynecology, The Affiliated Tumor Hospital, Harbin Medical University, Haping Road 150 of Nangang District, Harbin, Heilongjiang Province, 150081, China.
  • 2Department of Internal Medicine, The Affiliated Tumor Hospital, Harbin Medical University, Haping Road 150 of Nangang District, Harbin, Heilongjiang Province, 150081, China. Electronic address: 15331881117@yeah.net.
  • 3Department of Pathology, The Affiliated First Hospital, Heilongjiang University of Chinese Medicine, Heping Road 24 of Xiangfang District, Harbin, Heilongjiang Province, 150081, China.
  • 4Department of Internal Medicine, The Affiliated Tumor Hospital, Harbin Medical University, Haping Road 150 of Nangang District, Harbin, Heilongjiang Province, 150081, China.
  • 5Department of Gynecology, The Affiliated Tumor Hospital, Harbin Medical University, Haping Road 150 of Nangang District, Harbin, Heilongjiang Province, 150081, China. Electronic address: doctorlouge@sina.com.

Abstract

Collagen triple helix repeat containing 1 (CTHRC1) was identified as a novel gene expressed in the adventitia and neointima on arterial injury and was found to be overexpressed in several malignant tumors, such as breast cancer and malignant melanoma. However, the expression of Cthrc1 and its role in gastric cancer progression remain unknown. We investigated the expression of the Cthrc1 protein by immunohistochemistry in 30 normal tissues from the control subjects and 166 gastric carcinomas and analyzed its correlation with various clinicopathological features, including patient outcome. Cthrc1 immunoreactivity was overexpressed in gastric carcinoma cases compared with normal tissues (P < .001). High Cthrc1 expression was found in 108 (65.06%) of these 166 carcinomas and was positively correlated with the American Joint Committee on Cancer stage classification, depth of gastric wall invasion, lymph node metastasis, lymphovascular space involvement, and recurrence but not with age, tumor site, and carcinoembryonic antigen level. Patients with high Cthrc1 expression had significantly poorer overall survival and disease-free survival compared with patients with low expression of Cthrc1 (P = .001 and P = .002, respectively). Multivariate analysis showed that high Cthrc1 expression was an independent prognostic factor for both overall survival and disease-free survival of patients with gastric carcinoma (both P = .005). These results showed that high Cthrc1 expression was associated with progression and prognosis of gastric carcinoma.

Copyright © 2014 Elsevier Inc. All rights reserved.

KEYWORDS:

Collagen triple helix repeat containing 1; Gastric carcinoma; Immunohistochemistry; Prognosis; Survival

PMID:
24746208
[PubMed - indexed for MEDLINE]
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