Remote intracranial recurrence of IDH mutant gliomas is associated with TP53 mutations and an 8q gain

Shunsuke Nakae, Takema Kato, Kazuhiro Murayama, Hikaru Sasaki, Masato Abe, Masanobu Kumon, Tadashi Kumai, Kei Yamashiro, Joji Inamasu, Mitsuhiro Hasegawa, Hiroki Kurahashi, Yuichi Hirose

Research output: Contribution to journalArticle

Abstract

Most IDH mutant gliomas harbor either 1p/19q co-deletions or TP53 mutation; 1p/19q co-deleted tumors have significantly better prognoses than tumors harboring TP53 mutations. To investigate the clinical factors that contribute to differences in tumor progression of IDH mutant gliomas, we classified recurrent tumor patterns based on MRI and correlated these patterns with their genomic characterization. Accordingly, in IDH mutant gliomas (N = 66), 1p/19 co-deleted gliomas only recurred locally, whereas TP53 mutant gliomas recurred both locally and in remote intracranial regions. In addition, diffuse tensor imaging suggested that remote intracranial recurrence in the astrocytomas, IDH-mutant with TP53 mutations may occur along major fiber bundles. Remotely recurrent tumors resulted in a higher mortality and significantly harbored an 8q gain; astrocytomas with an 8q gain resulted in significantly shorter overall survival than those without an 8q gain. OncoScan® arrays and next-generation sequencing revealed specific 8q regions (i.e., between 8q22 and 8q24) show a high copy number. In conclusion, only tumors with TP53 mutations showed patterns of remote recurrence in IDH mutant gliomas. Furthermore, an 8q gain was significantly associated with remote intracranial recurrence and can be considered a poor prognostic factor in astrocytomas, IDH-mutant.

Original languageEnglish
Pages (from-to)84729-84742
Number of pages14
JournalOncotarget
Volume8
Issue number49
DOIs
Publication statusPublished - 2017 Oct 17

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Glioma
Recurrence
Mutation
Astrocytoma
Neoplasms
Mortality

Keywords

  • 8q gain
  • IDH mutant gliomas
  • Intracranial remote recurrence
  • Radiological classification for recurrence
  • TP53 mutations

ASJC Scopus subject areas

  • Oncology

Cite this

Remote intracranial recurrence of IDH mutant gliomas is associated with TP53 mutations and an 8q gain. / Nakae, Shunsuke; Kato, Takema; Murayama, Kazuhiro; Sasaki, Hikaru; Abe, Masato; Kumon, Masanobu; Kumai, Tadashi; Yamashiro, Kei; Inamasu, Joji; Hasegawa, Mitsuhiro; Kurahashi, Hiroki; Hirose, Yuichi.

In: Oncotarget, Vol. 8, No. 49, 17.10.2017, p. 84729-84742.

Research output: Contribution to journalArticle

Nakae, S, Kato, T, Murayama, K, Sasaki, H, Abe, M, Kumon, M, Kumai, T, Yamashiro, K, Inamasu, J, Hasegawa, M, Kurahashi, H & Hirose, Y 2017, 'Remote intracranial recurrence of IDH mutant gliomas is associated with TP53 mutations and an 8q gain', Oncotarget, vol. 8, no. 49, pp. 84729-84742. https://doi.org/10.18632/oncotarget.20951
Nakae, Shunsuke ; Kato, Takema ; Murayama, Kazuhiro ; Sasaki, Hikaru ; Abe, Masato ; Kumon, Masanobu ; Kumai, Tadashi ; Yamashiro, Kei ; Inamasu, Joji ; Hasegawa, Mitsuhiro ; Kurahashi, Hiroki ; Hirose, Yuichi. / Remote intracranial recurrence of IDH mutant gliomas is associated with TP53 mutations and an 8q gain. In: Oncotarget. 2017 ; Vol. 8, No. 49. pp. 84729-84742.
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