Boveri and beyond: Chromothripsis and genomic instability from mitotic errors

A Mazzagatti, JL Engel, P Ly - Molecular cell, 2024 - cell.com
Mitotic cell division is tightly monitored by checkpoints that safeguard the genome from
instability. Failures in accurate chromosome segregation during mitosis can cause …

Determinants of resistance and response to melanoma therapy

BM Robertson, ME Fane, AT Weeraratna… - Nature Cancer, 2024 - nature.com
Metastatic melanoma is among the most enigmatic advanced cancers to clinically manage
despite immense progress in the way of available therapeutic options and historic …

Multiple cancers escape from multiple MAPK pathway inhibitors and use DNA replication stress signaling to tolerate aberrant cell cycles

TE Hoffman, V Nangia, VJ Passanisi, C Armstrong… - Science …, 2023 - science.org
Many cancers harbor pro-proliferative mutations of the mitogen-activated protein kinase
(MAPK) pathway. In BRAF-driven melanoma cells treated with BRAF inhibitors …

Extrachromosomal DNA in cancer

X Yan, P Mischel, H Chang - Nature Reviews Cancer, 2024 - nature.com
Extrachromosomal DNA (ecDNA) has recently been recognized as a major contributor to
cancer pathogenesis that is identified in most cancer types and is associated with poor …

A three-stage eccDNA based molecular profiling significantly improves the identification, prognosis assessment and recurrence prediction accuracy in patients with …

Z Li, B Wang, H Liang, Y Li, Z Zhang, L Han - Cancer Letters, 2023 - Elsevier
Glioblastoma (GBM) progression is influenced by intratumoral heterogeneity. Emerging
evidence has emphasized the pivotal role of extrachromosomal circular DNA (eccDNA) in …

The two sides of chromosomal instability: drivers and brakes in cancer

R Hosea, S Hillary, S Naqvi, S Wu… - Signal Transduction and …, 2024 - nature.com
Chromosomal instability (CIN) is a hallmark of cancer and is associated with tumor cell
malignancy. CIN triggers a chain reaction in cells leading to chromosomal abnormalities …

Extrachromosomal DNA: Biogenesis and Functions in Cancer

EJ Curtis, JC Rose, PS Mischel… - Annual Review of …, 2024 - annualreviews.org
In cancer, oncogenes can untether themselves from chromosomes onto circular,
extrachromosomal DNA (ecDNA) particles. ecDNA are common in many of the most …

Disentangling the roles of aneuploidy, chromosomal instability and tumour heterogeneity in developing resistance to cancer therapies

JR Andrade, AD Gallagher, J Maharaj… - Chromosome …, 2023 - Springer
Aneuploidy is defined as the cellular state of having a number of chromosomes that deviates
from a multiple of the normal haploid chromosome number of a given organism. Aneuploidy …

Upregulated expression of miR-4443 and miR-4488 in drug resistant melanomas promotes migratory and invasive phenotypes through downregulation of …

V Castaldo, M Minopoli, F Di Modugno… - Journal of Experimental …, 2023 - Springer
Background BRAF-mutant melanoma patients benefit from the combinatorial treatments with
BRAF and MEK inhibitors. However, acquired drug resistance strongly limits the efficacy of …

Non-homologous end joining shapes the genomic rearrangement landscape of chromothripsis from mitotic errors

Q Hu, J Espejo Valle-Inclán, R Dahiya, A Guyer… - Nature …, 2024 - nature.com
Mitotic errors generate micronuclei entrapping mis-segregated chromosomes, which are
susceptible to catastrophic fragmentation through chromothripsis. The reassembly of …