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CD34 Over-Expression is Associated With Gliomas' Higher WHO Grade.

Abstract：

:CD34 is a transmembrane phosphoglycoprotein that was first identified on hematopoietic stem and progenitor cells. CD34 is known as an optimum marker for microvascular density studies and it is positively stained in pathological and physiologic vessels. The use of CD34 for the prognosis, diagnosis, and treatment of neoplasms has been increasingly discussed. The implications and utilities of CD34 in WHO grades of gliomas and its prognosis have been reported rarely. Also, the WHO grades and prognosis researches remains unclear and controversial. A meta-analysis is the best choice for drawing a convincing conclusion. Several databases were searched. We carefully assess the relevant articles and standard mean differences (SMDs) with 95% confidence intervals (95% CIs) were estimated in terms of the relationship between CD34 expression levels with gliomas' WHO grades, patients' ages and gender. We used the Galbraith figure, the I test, and Cochran Q test to evaluate the heterogeneity of the included studies. A sensitivity analysis was conducted to assess the pooled results' stability. A Contour-enhanced funnel plot evaluation was made to assess potential publication bias. Ethics review and approval was not necessary because the meta-analysis did not involve any direct human trials or animal experiments. There were 12 eligible studies, including 684 patients who were considered in the present meta-analysis. All of them were conducted in China. CD34 overexpression in glioma tissues was associated closely, according to the pooled SMD, with higher WHO grade (III + IV) (SMD -1.503, 95% CI -1.685 to -1.321; P = 0.000). There were no significant associations between CD34 and age (SMD -0.223, 95% CI -0.602 to 0.156; P = 0.248) and CD34 and gender (SMD -0.059, 95% CI -0.439, 0.321; P = 0.761). No publication bias was detected according to Contour-enhanced funnel plot. Our results suggested that CD34 overexpression is associated with higher WHO grades of gliomas. CD34 may serve as a potential diagnostic and prognostic marker, or it could be a useful therapy target.

journal_name

Medicine (Baltimore)

journal_title

Medicine

authors

Kong X,Guan J,Ma W,Li Y,Xing B,Yang Y,Wang Y,Gao J,Wei J,Yao Y,Xu Z,Dou W,Lian W,Su C,Ren Z,Wang R

doi

10.1097/MD.0000000000002830

subject

Has Abstract

pub_date

2016-02-01 00:00:00

pages

e2830

issue

eissn

0025-7974

issn

1536-5964

pii

00005792-201602150-00047

journal_volume

pub_type

杂志文章,meta分析,评审

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CD34 Over-Expression is Associated With Gliomas' Higher WHO Grade.