[HTML][HTML] Mapping clustered mutations in cancer reveals APOBEC3 mutagenesis of ecDNA

EN Bergstrom, J Luebeck, M Petljak, A Khandekar… - Nature, 2022 - nature.com
Clustered somatic mutations are common in cancer genomes and previous analyses reveal
several types of clustered single-base substitutions, which include doublet-and multi-base …

DNA mismatch repair promotes APOBEC3-mediated diffuse hypermutation in human cancers

D Mas-Ponte, F Supek - Nature genetics, 2020 - nature.com
Certain mutagens, including the APOBEC3 (A3) cytosine deaminase enzymes, can create
multiple genetic changes in a single event. Activity of A3s results in striking 'mutation …

[HTML][HTML] Mechanisms of APOBEC3 mutagenesis in human cancer cells

M Petljak, A Dananberg, K Chu, EN Bergstrom… - Nature, 2022 - nature.com
The APOBEC3 family of cytosine deaminases has been implicated in some of the most
prevalent mutational signatures in cancer,–. However, a causal link between endogenous …

An APOBEC3A hypermutation signature is distinguishable from the signature of background mutagenesis by APOBEC3B in human cancers

K Chan, SA Roberts, LJ Klimczak, JF Sterling, N Saini… - Nature …, 2015 - nature.com
Elucidation of mutagenic processes shaping cancer genomes is a fundamental problem
whose solution promises insights into new treatment, diagnostic and prevention strategies …

Association of a germline copy number polymorphism of APOBEC3A and APOBEC3B with burden of putative APOBEC-dependent mutations in breast cancer

S Nik-Zainal, DC Wedge, LB Alexandrov, M Petljak… - Nature …, 2014 - nature.com
The somatic mutations in a cancer genome are the aggregate outcome of one or more
mutational processes operative through the lifetime of the individual with cancer,,. Each …

Signatures of mutational processes in human cancer

LB Alexandrov, S Nik-Zainal, DC Wedge… - nature, 2013 - nature.com
All cancers are caused by somatic mutations; however, understanding of the biological
processes generating these mutations is limited. The catalogue of somatic mutations from a …

Passenger hotspot mutations in cancer driven by APOBEC3A and mesoscale genomic features

R Buisson, A Langenbucher, D Bowen, EE Kwan… - Science, 2019 - science.org
INTRODUCTION Extensive tumor sequencing efforts have transformed the way in which
cancer driver genes are identified. Appropriate statistical modeling is crucial for …

Evidence for APOBEC3B mutagenesis in multiple human cancers

MB Burns, NA Temiz, RS Harris - Nature genetics, 2013 - nature.com
Thousands of somatic mutations accrue in most human cancers, and their causes are
largely unknown. We recently showed that the DNA cytidine deaminase APOBEC3B …

[HTML][HTML] Prospectively defined patterns of APOBEC3A mutagenesis are prevalent in human cancers

RA DeWeerd, E Németh, Á Póti, N Petryk, CL Chen… - Cell reports, 2022 - cell.com
Mutational signatures defined by single base substitution (SBS) patterns in cancer have
elucidated potential mutagenic processes that contribute to malignancy. Two prevalent …

Addressing the benefits of inhibiting APOBEC3-dependent mutagenesis in cancer

M Petljak, AM Green, J Maciejowski, MD Weitzman - Nature genetics, 2022 - nature.com
Mutational signatures associated with apolipoprotein B mRNA-editing enzyme catalytic
polypeptide-like (APOBEC) 3 cytosine deaminase activity have been found in over half of …