Ultra-high dose rate (FLASH) radiotherapy: Silver bullet or fool's gold?

JD Wilson, EM Hammond, GS Higgins… - Frontiers in …, 2020 - frontiersin.org
Radiotherapy is a cornerstone of both curative and palliative cancer care. However,
radiotherapy is severely limited by radiation-induced toxicities. If these toxicities could be …

ATM in DNA repair in cancer

MH Jin, DY Oh - Pharmacology & therapeutics, 2019 - Elsevier
Alterations in DNA damage response (DDR) pathways are hallmarks of cancer. Incorrect
repair of DNA lesions often leads to genomic instability. Ataxia telangiectasia mutated …

Loss of PBRM1 rescues VHL dependent replication stress to promote renal carcinogenesis

J Espana-Agusti, A Warren, SK Chew… - Nature …, 2017 - nature.com
Inactivation of the VHL (Von Hippel Lindau) tumour suppressor has long been recognised
as necessary for the pathogenesis of clear cell renal cancer (ccRCC); however, the …

[HTML][HTML] Selective modulation by PARP-1 of HIF-1α-recruitment to chromatin during hypoxia is required for tumor adaptation to hypoxic conditions

JM Martí, A Garcia-Diaz, D Delgado-Bellido, F O'Valle… - Redox Biology, 2021 - Elsevier
Background The adaptation to hypoxia is mainly controlled by the HIF transcription factors.
Increased expression/activity of HIF-1α correlates with poor prognosis in cancer patients …

PPARγ interaction with UBR5/ATMIN promotes DNA repair to maintain endothelial homeostasis

CG Li, C Mahon, NM Sweeney, E Verschueren… - Cell reports, 2019 - cell.com
Using proteomic approaches, we uncovered a DNA damage response (DDR) function for
peroxisome proliferator activated receptor γ (PPARγ) through its interaction with the DNA …

Tumor hypoxia drives genomic instability

M Tang, E Bolderson, KJ O'Byrne… - Frontiers in cell and …, 2021 - frontiersin.org
Cancer is a leading cause of death worldwide. As a common characteristic of cancer,
hypoxia is associated with poor prognosis due to enhanced tumor malignancy and …

Impact of hypoxia on DNA repair and genome integrity

AR Kaplan, PM Glazer - Mutagenesis, 2020 - academic.oup.com
Hypoxia is a hallmark of the tumour microenvironment with profound effects on tumour
biology, influencing cancer progression, the development of metastasis and patient …

Ribonucleotide reductase requires subunit switching in hypoxia to maintain DNA replication

IP Foskolou, C Jorgensen, KB Leszczynska, MM Olcina… - Molecular cell, 2017 - cell.com
Cells exposed to hypoxia experience replication stress but do not accumulate DNA damage,
suggesting sustained DNA replication. Ribonucleotide reductase (RNR) is the only enzyme …

Inhibition of CDK4/CDK6 enhances radiosensitivity of HPV negative head and neck squamous cell carcinomas

EL Göttgens, J Bussink, KB Leszczynska… - International Journal of …, 2019 - Elsevier
Purpose Human papillomavirus negative (HPV-ve) head and neck squamous cell
carcinoma (HNSCC) has a poor prognosis compared with HPV+ ve HNSCCs. Expression of …

Challenges to DNA replication in hypoxic conditions

N Ng, K Purshouse, IP Foskolou, MM Olcina… - The FEBS …, 2018 - Wiley Online Library
The term hypoxia refers to any condition where insufficient oxygen is available and therefore
encompasses a range of actual oxygen concentrations. The regions of tumours adjacent to …