Genomic and Functional Approaches to Understanding Cancer Aneuploidy.
Cancer Cell
; 33(4): 676-689.e3, 2018 04 09.
Article
en En
| MEDLINE
| ID: mdl-29622463
ABSTRACT
Aneuploidy, whole chromosome or chromosome arm imbalance, is a near-universal characteristic of human cancers. In 10,522 cancer genomes from The Cancer Genome Atlas, aneuploidy was correlated with TP53 mutation, somatic mutation rate, and expression of proliferation genes. Aneuploidy was anti-correlated with expression of immune signaling genes, due to decreased leukocyte infiltrates in high-aneuploidy samples. Chromosome arm-level alterations show cancer-specific patterns, including loss of chromosome arm 3p in squamous cancers. We applied genome engineering to delete 3p in lung cells, causing decreased proliferation rescued in part by chromosome 3 duplication. This study defines genomic and phenotypic correlates of cancer aneuploidy and provides an experimental approach to study chromosome arm aneuploidy.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Carcinoma de Células Escamosas
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Proteína p53 Supresora de Tumor
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Genómica
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Aneuploidia
Límite:
Humans
Idioma:
En
Año:
2018
Tipo del documento:
Article