APOBEC enzymes: mutagenic fuel for cancer evolution and heterogeneity

C Swanton, N McGranahan, GJ Starrett, RS Harris - Cancer discovery, 2015 - AACR
Deep sequencing technologies are revealing the complexities of cancer evolution, casting
light on mutational processes fueling tumor adaptation, immune escape, and treatment …

APOBEC3-mediated mutagenesis in cancer: causes, clinical significance and therapeutic potential

K Butler, AR Banday - Journal of Hematology & Oncology, 2023 - Springer
Apolipoprotein B mRNA-editing enzyme, catalytic polypeptides (APOBECs) are cytosine
deaminases involved in innate and adaptive immunity. However, some APOBEC family …

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 …

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 …

APOBEC family mutational signatures are associated with poor prognosis translocations in multiple myeloma

BA Walker, CP Wardell, A Murison, EM Boyle… - Nature …, 2015 - nature.com
We have sequenced 463 presenting cases of myeloma entered into the UK Myeloma XI
study using whole exome sequencing. Here we identify mutations induced as a …

APOBEC-mediated cytosine deamination links PIK3CA helical domain mutations to human papillomavirus-driven tumor development

S Henderson, A Chakravarthy, X Su, C Boshoff… - Cell reports, 2014 - cell.com
APOBEC3B cytosine deaminase activity has recently emerged as a significant mutagenic
factor in human cancer. APOBEC activity is induced in virally infected cells, and APOBEC …

The DNA cytosine deaminase APOBEC3B promotes tamoxifen resistance in ER-positive breast cancer

EK Law, AM Sieuwerts, K LaPara, B Leonard… - Science …, 2016 - science.org
Breast tumors often display extreme genetic heterogeneity characterized by hundreds of
gross chromosomal aberrations and tens of thousands of somatic mutations. Tumor …

APOBEC3B drives PKR-mediated translation shutdown and protects stress granules in response to viral infection

L Manjunath, S Oh, P Ortega, A Bouin… - Nature …, 2023 - nature.com
Double-stranded RNA produced during viral replication and transcription activates both
protein kinase R (PKR) and ribonuclease L (RNase L), which limits viral gene expression …

Quantification of ongoing APOBEC3A activity in tumor cells by monitoring RNA editing at hotspots

P Jalili, D Bowen, A Langenbucher, S Park… - Nature …, 2020 - nature.com
APOBEC3A is a cytidine deaminase driving mutagenesis, DNA replication stress and DNA
damage in cancer cells. While the APOBEC3A-induced vulnerability of cancers offers an …

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 …