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Detection of ATRX and IDH1-R132H immunohistochemistry in the progression of 211 paired gliomas

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机构: [1]Harbin Med Univ, Affiliated Hosp 2, Dept Neurosurg, Harbin, Peoples R China; [2]Capital Med Univ, Beijing Neurosurg Inst, Beijing, Peoples R China; [3]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Beijing, Peoples R China; [4]Huazhong Univ Sci & Technol, Tongji Med Coll, Union Hosp, Dept Otolaryngol, Wuhan 430074, Peoples R China; [5]Beijing Inst Brain Disorders Brain Tumor Ctr, Beijing, Peoples R China; [6]China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China; [7]CGCG, Beijing, Peoples R China
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关键词: IDH1-R132H ATRX loss glioma progression evolution

摘要:
Recurrence and progression to higher grade lesions are key biological events and characteristic behaviors in the evolution process of glioma. A small residual population of cells always escapes surgery and chemoradiation, resulting in a typically fatal tumor recurrence or progression. IDH mutation (isocitrate dehydrogenase) and ATRX (alpha-thalassemia/mental retardation, X-linked) loss/mutation occur in association and may represent early genetic alterations in the development of gliomas. However, their prognostic value in the evolution of gliomas still needs further investigation. Two hundreds and eleven serial sampling of gliomas were included in our study. We used immunohistochemistry (IHC) to detect IDH1-R132H mutation and ATRX status and showed that the IDH1-R132H and (or) ATRX status could be necessary to provide the basic molecular information for the "integrated diagnosis" of gliomas. We illustrated an evaluation formula for the evolution of gliomas by IDH1-R132H combined with ATRX immunohistochemistry and identified the association of IDH1-R132H/ATRX loss accompanied by longer progression time interval of patients with gliomas. Furthermore, we observed that most recurrences had a consistent IDH1 and ATRX status with their matched primary tumors and demonstrated the progressive pattern of grade II astrocytoma/oligodendroglial tumors and anaplastic oligoastrocytoma with or without IDH1-R132H. Identification of IDH1-R132H and ATRX loss status in the primary-recurrent gliomas may aid in treatment strategy selection, therapeutic trial design, and clinical prognosis evaluation.

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出版当年[2015]版:
大类 | 1 区 医学
小类 | 2 区 肿瘤学 3 区 细胞生物学
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出版当年[2014]版:
Q1 ONCOLOGY Q1 CELL BIOLOGY
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影响因子: 最新[2023版] 最新五年平均 出版当年[2014版] 出版当年五年平均 出版前一年[2013版] 出版后一年[2015版]

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第一作者机构: [1]Harbin Med Univ, Affiliated Hosp 2, Dept Neurosurg, Harbin, Peoples R China; [7]CGCG, Beijing, Peoples R China
通讯作者:
通讯机构: [1]Harbin Med Univ, Affiliated Hosp 2, Dept Neurosurg, Harbin, Peoples R China; [2]Capital Med Univ, Beijing Neurosurg Inst, Beijing, Peoples R China; [3]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Beijing, Peoples R China; [5]Beijing Inst Brain Disorders Brain Tumor Ctr, Beijing, Peoples R China; [6]China Natl Clin Res Ctr Neurol Dis, Beijing, Peoples R China; [7]CGCG, Beijing, Peoples R China
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