Overexpression of RLIP76 Required for Proliferation in Meningioma Is Associated with Recurrence

Song-Yuan Fan, Jian-Dong Jiang, Jun Qian, Yi-Cheng Lu, Guo-Han Hu, Chun Luo, Wei-Dong Hou and Qi Wang

PLOS ONE, 2015, vol. 10, issue 5, 1-12

Abstract: The GTPase-activating protein RLIP76 is overexpressed in and correlates with the pathological grade of many malignant tumor cells. But the potential correlation between RLIP76 and clinical outcomes in patients with meningioma remains unknown. In this study, we examined the expression of RLIP76 in meningioma and correlated the RLIP76 expression to the patient outcome. RLIP76 expression in tumor tissues was examined with immunohistochemistry, quantitative reverse-transcription polymerase chain reaction(RT-PCR) and Western-blot. Immunohistochemistry showed an increased RLIP76 immunostaining score in anaplastic and atypical meningiomas versus classical meningiomas. Statistical analyses revealed that RLIP76 immunostaining positively correlated with immunostaining for Ki-67, a nuclear protein highly expressed in proliferating cells(r=0.29, p=0.034 by Spearman's correlation coefficient). Clinicopathological evaluation suggested that RLIP76 expression be associated with tumor grade and recurrence(P

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0125661

DOI: 10.1371/journal.pone.0125661

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