A highly efficient transgene knock-in technology in clinically relevant cell types

…, D Zhang, JD Nelson, P Zhang, P Mazzucato… - Nature …, 2024 - nature.com
Inefficient knock-in of transgene cargos limits the potential of cell-based medicines. In this
study, we used a CRISPR nuclease that targets a site within an exon of an essential gene and …

Multiplexed DNA repair assays for multiple lesions and multiple doses via transcription inhibition and transcriptional mutagenesis

…, IA Chaim, SK McRee, P Mazzucato… - Proceedings of the …, 2014 - National Acad Sciences
The capacity to repair different types of DNA damage varies among individuals, making
them more or less susceptible to the detrimental health consequences of damage exposures. …

Minor changes in expression of the mismatch repair protein MSH2 exert a major impact on glioblastoma response to temozolomide

…, CJ Braun, M Stanciu, ZD Nagel, P Mazzucato… - Cancer research, 2015 - AACR
Glioblastoma (GBM) is often treated with the cytotoxic drug temozolomide, but the disease
inevitably recurs in a drug-resistant form after initial treatment. Here, we report that in GBM …

DNA repair capacity in multiple pathways predicts chemoresistance in glioblastoma multiforme

…, SK Gupta, BA Joughin, IA Chaim, P Mazzucato… - Cancer research, 2017 - AACR
Cancer cells can resist the effects of DNA-damaging therapeutic agents via utilization of DNA
repair pathways, suggesting that DNA repair capacity (DRC) measurements in cancer cells …

In vivo measurements of interindividual differences in DNA glycosylases and APE1 activities

…, ZD Nagel, JJ Jordan, P Mazzucato… - Proceedings of the …, 2017 - National Acad Sciences
The integrity of our DNA is challenged with at least 100,000 lesions per cell on a daily basis.
Failure to repair DNA damage efficiently can lead to cancer, immunodeficiency, and …

[HTML][HTML] A multiplexed gRNA piggyBac transposon system facilitates efficient induction of CRISPRi and CRISPRa in human pluripotent stem cells

DZ Hazelbaker, A Beccard, G Angelini, P Mazzucato… - Scientific reports, 2020 - nature.com
CRISPR-Cas9-mediated gene interference (CRISPRi) and activation (CRISPRa) approaches
hold promise for functional gene studies and genome-wide screens in human pluripotent …

[PDF][PDF] De novo DNA methyltransferases DNMT3A and DNMT3B are essential for XIST silencing for erosion of dosage compensation in pluripotent stem cells

…, J Hao, F Limone, A Beccard, P Mazzucato… - Stem Cell Reports, 2021 - cell.com
Human pluripotent stem cells (hPSCs) have proven to be valuable tools for both drug discovery
and the development of cell-based therapies. However, the long non-coding RNA XIST, …

[PDF][PDF] Molecular convergence between Down syndrome and fragile X syndrome identified using human pluripotent stem cell models

SG Susco, S Ghosh, P Mazzucato, G Angelini… - Cell reports, 2022 - cell.com
Down syndrome (DS), driven by an extra copy of chromosome 21 (HSA21), and fragile X
syndrome (FXS), driven by loss of the RNA-binding protein FMRP, are two common genetic …

CometChip analysis of human primary lymphocytes enables quantification of inter-individual differences in the kinetics of repair of oxidative DNA damage

LP Ngo, S Kaushal, IA Chaim, P Mazzucato… - Free Radical Biology …, 2021 - Elsevier
Although DNA repair is known to impact susceptibility to cancer and other diseases, relatively
few population studies have been performed to evaluate DNA repair kinetics in people …

[PDF][PDF] A scaled framework for CRISPR editing of human pluripotent stem cells to study psychiatric disease

…, AM Bara, N Dabkowski, A Messana, P Mazzucato… - Stem cell reports, 2017 - cell.com
Scaling of CRISPR-Cas9 technology in human pluripotent stem cells (hPSCs) represents an
important step for modeling complex disease and developing drug screens in human cells. …