| Relationship of 14-3-3zeta (ζ), HIF-1α, and VEGF expression in human brain gliomas. | |
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MedLine Citation:
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PMID: 23358800 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Accumulating evidence suggests that tissue hypoxia and apoptosis play important roles in the malignant progression of brain tumors. We investigated the relationship of 14-3-3zeta (an apoptosis-related protein), HIF-1α, and VEGF immunohistochemistry, and evaluated the prognostic value of their expression in human brain gliomas. A semiquantitative analysis of the immunoreactivity scores (IRSs) of the 14-3-3zeta, HIF-1α, and VEGF proteins was performed in 27 patients with various grades of gliomas. The IRS of 14-3-3zeta increased with tumor grade, with grade IV gliomas having the highest score (P < 0.05). Similar results were found for the IRSs of HIF-1α and VEGF (P < 0.05). A significant positive correlation was found between the IRSs of 14-3-3zeta and HIF-1α, 14-3-3zeta and VEGF, and HIF-1α and VEGF (P < 0.001 for all). The survival time of HIF-1α in grade III and grade IV glioma patients with low IRSs (0-6) was significantly longer than that in such glioma patients with high IRSs (8-12) (P < 0.05). These data indicate that 14-3-3zeta, HIF-1α, and VEGF are involved in the same cascade of the malignant progression of gliomas. Further studies will elucidate their detailed role in the malignant progression of glioma, and will contribute to the development of a new treatment strategy for this lethal disease. |
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Authors:
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Wei-Dong Cao; Nobuyuki Kawai; Keisuke Miyake; Xiang Zhang; Zhou Fei; Takashi Tamiya |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-29 |
Journal Detail:
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Title: Brain tumor pathology Volume: - ISSN: 1861-387X ISO Abbreviation: Brain Tumor Pathol Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9716507 Medline TA: Brain Tumor Pathol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Neurological Surgery, Faculty of Medicine, Kagawa University, 1750-1, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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