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http://dx.doi.org/10.1016/j.ekir.2022.05.003 | DOI Listing |
Toxics
January 2025
College of General Education, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 16974, Republic of Korea.
Exposure to low-dose ionizing radiation in occupational settings raises concerns about chromosomal aberrations (CAs) and their potential impact on genomic stability. Copy number variations (CNVs), structural genomic changes, influence susceptibility to environmental stressors and radiation-induced damage. This study analyzed CAs in 180 nuclear power plant workers exposed to occupational radiation and 45 controls, stratified by GSTM1 and GSTT1 CNVs.
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April 2025
Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Laboratory Medicine, Region Jönköping County, Jönköping, Sweden. Electronic address:
Background: Azathioprine (AZA) is part of the standard treatment for autoimmune hepatitis (AIH). The first step in the complex bioconversion of AZA to active metabolites is mediated by glutathione transferases (GSTs).
Aims: Elucidate the association between GSTM1 and GSTT1 copy number variation (CNV), genetic variation in GSTA2, GSTP1, and inosine-triphosphate-pyrophosphatase, and the response to AZA in AIH.
Front Oncol
December 2024
Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.
Introduction: Meningiomas are the most common primary central nervous system (CNS) tumor in adults, comprising one-third of all primary adult CNS tumors. Although several recent publications have identified molecular alterations in meningioma including characteristic mutations, copy number alterations, and gene expression signatures, our understanding of the drivers of meningioma recurrence is limited.
Objective: To identify gene expression signatures of 1p22qNF2 meningioma recurrence, with concurrent biallelic inactivation of and loss of chr1p that are heterogenous but enriched for recurrent meningiomas.
Cell Mol Neurobiol
October 2024
Institute of Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
Sci Rep
October 2024
School of Public Health, Chongqing Medical University, Chongqing, 400038, China.
Oxidative stress (OS) is believed to be a significant factor in the decline of semen quality, with mitochondrial DNA copy number (mtDNAcn) serving as a sensitive biomarker for both semen quality and mitochondrial dysfunction resulting from oxidative stress. While glutathione S-transferases (GSTs) are commonly known as 'antioxidant' enzymes, there is ongoing debate regarding the relationship between GST genotypes and semen quality. In a study involving 568 male volunteers from the outpatient department of Puyang Reproductive Medicine Center, sperm mtDNAcn, semen quality, and GSTM1/GSTT1 genotypes were analyzed to investigate the potential link between GSTM1/GSTT1 gene variations and semen quality, as well as the impact of GSTs gene variations on the connection between sperm mtDNAcn and semen quality.
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