Meta-analysis of prognostic and clinical significance of CD44v6 in esophageal cancer

Hu, Bangli, Luo, Wei, Hu, Rui-Ting, Zhou, You ORCID: https://orcid.org/0000-0002-1743-1291, Qin, Shan-Yu and Jiang, Hai-Xing 2015. Meta-analysis of prognostic and clinical significance of CD44v6 in esophageal cancer. Medicine 94 (31) , e1238. 10.1097/MD.0000000000001238

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Abstract

CD44v6 is a cell adhesion molecule that plays an important role in the development and progression of esophageal cancer. However, the prognostic value and clinical significance of CD44v6 in esophageal cancer remains controversial. In the present study, we aimed to clarify these relationships through a meta-analysis. We performed a comprehensive search of studies from PubMed, EMBASE, Ovid library database, Google scholar, and Chinese National Knowledge Infrastructure databases that were published before June 2015. The odds ratio (OR) and pooled hazard ratio (HR) with the 95% confidence intervals (CI) were used to estimate the effects. Twenty-one studies including 1504 patients with esophageal cancer were selected to assess the prognostic value and clinical significance of CD44v6 in these patients. The results showed that the expression of CD44v6 was higher in esophageal cancer tissue than in normal colorectal tissue (OR = 9.19, 95% CI = 6.30–13.42). Moreover, expression of CD44v6 was higher in patients with lymphoid nodal metastasis, compared to those without (OR = 6.91, 95% CI = 4.81–9.93). The pooled results showed that CD44v6 was associated with survival in patients with esophageal cancer (HR = 2.47, 95% CI = 1.56–3.92). No significant difference in CD44v6 expression was found in patients with different histological types and tumor stages (both P > 0.05). Moreover, no publication bias was found among the studies (all P > 0.05). This meta-analysis demonstrates that CD44v6 is associated with the metastasis of esophageal cancer and a poor prognosis, but is not associated with the histological types and tumor stages.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Systems Immunity Research Institute (SIURI)
Subjects:	Q Science > QR Microbiology > QR180 Immunology R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Publisher:	Wolter Kluwers Health
ISSN:	0025-7974
Date of Acceptance:	5 July 2015
Last Modified:	01 Nov 2022 09:59
URI:	https://orca.cardiff.ac.uk/id/eprint/89822

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