Mechanisms of genomic instability in breast cancer

PHG Duijf, D Nanayakkara, K Nones, S Srihari… - Trends in molecular …, 2019 - cell.com
Breast cancer is the most common cancer among women globally. Genomic instability (GI)
refers to the increased tendency to accrue genomic alterations. It drives heterogeneity and is …

Mechanisms underlying recurrent genomic amplification in human cancers

H Tanaka, T Watanabe - Trends in cancer, 2020 - cell.com
Focal copy-number increases (genomic amplification) pinpoint oncogenic driver genes and
therapeutic targets in cancer genomes. With the advent of genomic technologies, recurrent …

Inhibiting homologous recombination decreases extrachromosomal amplification but has no effect on intrachromosomal amplification in methotrexate‐resistant colon …

M Cai, H Zhang, L Hou, W Gao, Y Song… - … journal of cancer, 2019 - Wiley Online Library
Gene amplification, which involves the two major topographical structures double minutes
(DMs) and homegeneously stained region (HSR), is a common mechanism of treatment …

Palindromes in DNA—a risk for genome stability and implications in cancer

M Svetec Miklenić, IK Svetec - International journal of molecular sciences, 2021 - mdpi.com
A palindrome in DNA consists of two closely spaced or adjacent inverted repeats. Certain
palindromes have important biological functions as parts of various cis-acting elements and …

Mre11-Sae2 and RPA collaborate to prevent palindromic gene amplification

SK Deng, Y Yin, TD Petes, LS Symington - Molecular cell, 2015 - cell.com
Foldback priming at DNA double-stranded breaks is one mechanism proposed to initiate
palindromic gene amplification, a common feature of cancer cells. Here, we show that small …

Cytokinesis breaks dicentric chromosomes preferentially at pericentromeric regions and telomere fusions

V Lopez, N Barinova, M Onishi, S Pobiega… - Genes & …, 2015 - genesdev.cshlp.org
Dicentric chromosomes are unstable products of erroneous DNA repair events that can lead
to further genome rearrangements and extended gene copy number variations. During …

[HTML][HTML] Clonal expansion and linear genome evolution through breast cancer progression from pre-invasive stages to asynchronous metastasis

AB Krøigård, MJ Larsen, AV Lænkholm, AS Knoop… - Oncotarget, 2015 - ncbi.nlm.nih.gov
Evolution of the breast cancer genome from pre-invasive stages to asynchronous metastasis
is complex and mostly unexplored, but highly demanded as it may provide novel markers for …

Palindromic amplification of the ERBB2 oncogene in primary HER2-positive breast tumors

M Marotta, T Onodera, J Johnson, GT Budd… - Scientific reports, 2017 - nature.com
Oncogene amplification confers a growth advantage to tumor cells for clonal expansion.
There are several, recurrently amplified oncogenes throughout the human genome …

Hybrid sequencing resolves two germline ultra-complex chromosomal rearrangements consisting of 137 breakpoint junctions in a single carrier

J Eisfeldt, M Pettersson, A Petri, D Nilsson, L Feuk… - Human genetics, 2021 - Springer
Chromoanagenesis is a genomic event responsible for the formation of complex structural
chromosomal rearrangements (CCRs). Germline chromoanagenesis is rare and the majority …

Independent mechanisms lead to genomic instability in Hodgkin lymphoma: Microsatellite or chromosomal instability

C Cuceu, B Colicchio, E Jeandidier, S Junker, F Plassa… - Cancers, 2018 - mdpi.com
Background: Microsatellite and chromosomal instability have been investigated in Hodgkin
lymphoma (HL). Materials and Methods: We studied seven HL cell lines (five Nodular …