Cited by 8Genomics and Rare DiseasesAcute Myeloid Leukemia ResearchDNA Repair Mechanisms

Computational investigation unveils pathogenic LIG3 non-synonymous mutations and therapeutic targets in acute myeloid leukemia

Open access
Hossen, Md. Arif, Jahan, Umme Mim Sad, Hossain, Md. Arju, Asif, Khalid Hossain, Rahman, Ahona, Ahmed, Sabbir, Uddin, Md. Moin, Amin, Md Faisal +7 more·2025·PLOS One

Published version of a preprint

Abstract

Single nucleotide polymorphisms (SNPs) in DNA repair genes can impair protein structure and function, contributing to disease development, including cancer. Non-synonymous SNPs (nsSNPs) in the LIG3 gene are linked to genomic instability and increased cancer risk, particularly acute myeloid leukemia (AML). This study aims to identify the most deleterious nsSNPs in the LIG3 and potential therapeutic targets for DNA repair restoration in AML. We employed different computational approaches to analyze LIG3 nsSNPs and pathogenicity. Subsequently, molecular docking, molecular dynamics simulation (MDS), gene expression and clinical validation of LIG3 were performed to evaluate ligand-binding affinities, protein stability and to identify discriminatory gene signatures. Out of the 12,191 mapped SNPs, 132 were nsSNPs located in the coding region. Among these, 18 nsSNPs were identified as detrimental including 12 destabilizing and 6 stabilizing nsSNPs. Nine cancer-associated nsSNPs, including L381R and R528C, were predicted due to their structural and functional impacts. Further analysis revealed key phosphorylation and methylation sites, such as 529S and 224R. MDS highlighted stable interactions of compounds AHP-MPC and DM-BFC with wild-type and R528C mutant LIG3 proteins, while R671G and V781M mutants showed instability. Protein-protein interaction networks and functional enrichment linked LIG3 to DNA repair pathways. Kaplan-Meier analysis associated high LIG3 expression with improved survival in breast cancer and AML, suggesting its role as a prognostic biomarker. This study emphasizes the mutation-specific effects of LIG3 nsSNPs on protein stability and ligand interactions. We recommend identifying DM-BFC to advance personalized medicine approaches for targeting deleterious variants, following in-vitro and in-vivo validation for AML treatment.

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Authors
Hossen, M. A., Jahan, U. M. S., Hossain, M. A., Asif, K. H., Rahman, A., Ahmed, S., Uddin, M. M., Amin, M. F., Barik, M. A., Islam, M. J., Kamruzzaman, M., Hasnat, S., Uddin, M. N., Islam, T., & Hoque, M. N.
Affiliations
  • Mawlana Bhashani Science and Technology University (BD)
  • Khwaja Yunus Ali University (BD)
  • Bangladesh Agricultural University (BD)
  • Gazipur Agricultural University (BD)
Corresponding author
Hoque, M. Nazmul
Venue
PLOS One
Published
2025-06-10
Volume
20
Issue
6
Pages
e0320550
ISSN
1932-6203 (ISSN-L)
OpenAlex
W4411173953
Cited by
8
References
98
Citations by year
2026: 6 · 2025: 2
FWCI
4.68
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
Keywords
LIG3, non-synonymous SNPs, acute myeloid leukemia, DNA repair, protein stability, pathogenic variants, therapeutic target, phosphorylation sites, methylation sites, prognostic factors, genomic instability, personalized medicine
MeSH terms
DNA Ligase ATP, Poly-ADP-Ribose Binding Proteins, DNA Repair, Female, Humans, Mutation, Leukemia, Myeloid, Acute, Computational Biology, Polymorphism, Single Nucleotide, Molecular Dynamics Simulation, Molecular Docking Simulation

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