Noncanonical (Non-R132H) IDH-Mutated Gliomas

Mutations in IDH1 or IDH2 confer a significant survival advantage compared to their isocitrate dehydrogenase (IDH) wild-type counterparts and, as such, are the most significant prognostic factors in this group. The mutations in the IDH1 gene are heterozygous and almost always involve only a single r...

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Autores principales: Al-Saadi, Tariq D., Diaz, Roberto J.
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Lenguaje:inglés
Publicado: IntechOpen 2022
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Acceso en línea:https://www.intechopen.com/chapters/82321
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author Al-Saadi, Tariq D.
Diaz, Roberto J.
author_browse Al-Saadi, Tariq D.
Diaz, Roberto J.
author_facet Al-Saadi, Tariq D.
Diaz, Roberto J.
author_sort Al-Saadi, Tariq D.
building IntechOpen
collection Acceso abierto
description Mutations in IDH1 or IDH2 confer a significant survival advantage compared to their isocitrate dehydrogenase (IDH) wild-type counterparts and, as such, are the most significant prognostic factors in this group. The mutations in the IDH1 gene are heterozygous and almost always involve only a single residue (arginine 132), which is replaced by histidine in roughly 90% of tumors. Regardless, the non-p.R132H (noncanonical) mutations in the IDH1 gene were also documented in around 20% of mutated glioma. The noncanonical IDH mutations have distinguishing radiological and histological features. The existence of such tumors seems to be associated with a genetic predisposition to cancer development.
doi_str_mv 10.5772/intechopen.105469
first_indexed 2026-10-15T21:39:55Z
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spelling intech-823212022-07-02 Noncanonical (Non-R132H) IDH-Mutated Gliomas Tariq D. Al-Saadi Roberto J. Diaz Health Sciences Mutations in IDH1 or IDH2 confer a significant survival advantage compared to their isocitrate dehydrogenase (IDH) wild-type counterparts and, as such, are the most significant prognostic factors in this group. The mutations in the IDH1 gene are heterozygous and almost always involve only a single residue (arginine 132), which is replaced by histidine in roughly 90% of tumors. Regardless, the non-p.R132H (noncanonical) mutations in the IDH1 gene were also documented in around 20% of mutated glioma. The noncanonical IDH mutations have distinguishing radiological and histological features. The existence of such tumors seems to be associated with a genetic predisposition to cancer development. IntechOpen 2022-07-02 Chapter, Part Of Book https://www.intechopen.com/chapters/82321 doi:10.5772/intechopen.105469 en ISBN:978-1-80356-128-8 https://creativecommons.org/licenses/by/3.0/ https://www.intechopen.com/books/11597 ; Glioblastoma - Current Evidence
spellingShingle Health Sciences
Al-Saadi, Tariq D.
Diaz, Roberto J.
Noncanonical (Non-R132H) IDH-Mutated Gliomas
title Noncanonical (Non-R132H) IDH-Mutated Gliomas
title_full Noncanonical (Non-R132H) IDH-Mutated Gliomas
title_fullStr Noncanonical (Non-R132H) IDH-Mutated Gliomas
title_full_unstemmed Noncanonical (Non-R132H) IDH-Mutated Gliomas
title_short Noncanonical (Non-R132H) IDH-Mutated Gliomas
title_sort noncanonical non r132h idh mutated gliomas
topic Health Sciences
url https://www.intechopen.com/chapters/82321
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