Molecular tools unveil distinct waves of ADP-ribosylation during DNA repair.

Cell Rep Methods

Department of Biochemistry and Molecular Biology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA.

Published: May 2023

AI Article Synopsis

  • ADP-ribosylation is a crucial process that modifies proteins after translation and plays a key role in repairing DNA.
  • Researchers led by Longarini studied the specifics of ADP-ribosylation dynamics, uncovering important details about its different forms.
  • Their findings highlight how these forms of ADP-ribosylation control when DNA repair happens in response to strand breaks.

Article Abstract

ADP-ribosylation is a complex post-translation modification involved in DNA repair. In a recent publication, Longarini and colleagues measured ADP-ribosylation dynamics with unprecedented specificity, revealing how the monomeric and polymeric forms of ADP-ribosylation regulate the timing of DNA repair events following strand breaks.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10261921PMC
http://dx.doi.org/10.1016/j.crmeth.2023.100484DOI Listing

Publication Analysis

Top Keywords

dna repair
12
molecular tools
4
tools unveil
4
unveil distinct
4
distinct waves
4
adp-ribosylation
4
waves adp-ribosylation
4
adp-ribosylation dna
4
repair adp-ribosylation
4
adp-ribosylation complex
4

Similar Publications

Background Aims: Extracellular vesicles (EVs) have gained traction as potential cell-free therapeutic candidates. Development of purification methods that are scalable and robust is a major focus of EV research. Yet there is still little in the literature that evaluates purification methods against potency of the EV product.

View Article and Find Full Text PDF

Oral Cancer Stem Cells: A Comprehensive Review of Key Drivers of Treatment Resistance and Tumor Recurrence.

Eur J Pharmacol

January 2025

Department of Conservative Dentistry & Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, Tamil Nadu, India. Electronic address:

Oral squamous cell carcinoma (OSCC) remains a major cause of morbidity and mortality worldwide with high recurrence rates and resistance to conventional therapies. Recent studies have highlighted the pivotal role of oral cancer stem cells (OCSCs) in driving treatment resistance and tumor recurrence. OCSCs possess unique properties, including self-renewal, differentiation potential, and resistance to chemotherapy and radiotherapy, which contribute to their ability to survive treatment and initiate tumor relapse.

View Article and Find Full Text PDF

Role of COL5A1 in lung squamous cell Carcinoma: Prognostic Implications and therapeutic potential.

Int Immunopharmacol

January 2025

Department of Molecular Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China; Henan Key Laboratory of Molecular Pathology, Zhengzhou, Henan, China. Electronic address:

Background: Lung squamous cell carcinoma (LUSC) is a significant health concern, characterized by a lack of specific therapies and limited treatment options for patients in advanced stages. This study aims to identify key molecules of prognostic importance in LUSC and provide an experimental foundation for their potential therapeutic applications.

Methods: Immune-related transcriptome expression analysis was performed on LUSC samples using the NanoString digital gene analysis system to develop a prognostic transcriptomic signature.

View Article and Find Full Text PDF

Unraveling the complexity of HRD assessment in ovarian cancer by combining genomic and functional approaches: translational analyses of MITO16-MaNGO-OV-2 trial.

ESMO Open

January 2025

Uro-Gynecologic Oncology Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy. Electronic address:

Background: Ovarian cancer (OvC) constitutes significant management challenges primarily due to its late-stage diagnosis and the development of resistance to chemotherapy. The standard treatment regimen typically includes carboplatin and paclitaxel, with the addition of poly (ADP-ribose) polymerase inhibitors for patients with high-grade serous ovarian cancer (HGSOC) harboring BRCA1/2 mutations. However, the variability in treatment responses suggests the need to investigate factors beyond BRCA1/2 mutations, such as DNA repair mechanisms and epigenetic alterations.

View Article and Find Full Text PDF

Decoding the protein methylome: Identification, validation, and functional insights.

Bioorg Med Chem

December 2024

Borch Department of Medicinal Chemistry and Molecular Pharmacology, Purdue Institute for Drug Discovery, Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN 47907, United States. Electronic address:

Protein methylation regulates diverse cellular processes including gene expression and DNA repair. This review discusses the methods of identifying and validating substrates for protein methyltransferases (MTases), as well as the biological roles of methylation. Meanwhile, we outline continued efforts necessary to fully map MTase-substrate pairs and uncover the complex regulatory roles of protein methylation in cellular function.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!