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

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

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

Suggested Citation

  • Song-Yuan Fan & Jian-Dong Jiang & Jun Qian & Yi-Cheng Lu & Guo-Han Hu & Chun Luo & Wei-Dong Hou & Qi Wang, 2015. "Overexpression of RLIP76 Required for Proliferation in Meningioma Is Associated with Recurrence," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-12, May.
    • Handle: RePEc:plo:pone00:0125661
    DOI: 10.1371/journal.pone.0125661
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