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Background: TAR-DNA-binding protein 43 (TDP43), is a pathologic marker in neurodegenerative diseases including frontotemporal lobar degeneration and amyotrophic lateral sclerosis. The aggregation of TDP-43, a crucial RNA-binding protein, is a consequence of post-translational modifications (PTMs) that disrupt its normal function. PTMs such as phosphorylation and ubiquitination contribute to the aberrant accumulation of TDP-43 aggregates, leading to neurodegenerative disorders like amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD).
View Article and Find Full Text PDFArsenic accumulation and reproductive toxicity in freshwater snail (Pomacea canaliculata).
Ecotoxicol Environ Saf
January 2025
Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China. Electronic address:
This study aimed to investigate the tissue-specific accumulation patterns of arsenic (As) and the potential toxicological effects of As on the oviposition of a globally distributed aquatic invertebrate, the apple snail (Pomacea canaliculata). An eight-compartment physiologically based pharmacokinetic (PBPK) model was utilized to simulate the distribution and depuration kinetics of arsenite and arsenate in the snails. Modeling and biotransformation suggested that intestine-stomach was the main uptake site for As and plays an important role in maintaining the balance of As species.
View Article and Find Full Text PDFThe role of mitochondrial dysfunction in the cytotoxic synergistic effect of gemcitabine and arsenic on breast cancer.
PLoS One
January 2025
Faculty of Medical Sciences, Department of Toxicology, Tarbiat Modares University, Tehran, Iran.
Breast cancer is the most common type of cancer in women worldwide. A common approach to cancer treatment in clinical practice is to use a combination of drugs to enhance the anticancer activity of drugs while reducing their side effects. In this regard, we evaluated the effectiveness of combined treatment with gemcitabine (GCB) and arsenic (ATO) and how they affect the cell death pathway in cancer cells.
View Article and Find Full Text PDFCirc_0000284 Is Involved in Arsenite-Induced Hepatic Insulin Resistance Through Blocking the Plasma Membrane Translocation of GLUT4 in Hepatocytes via IGF2BP2/PPAR-γ.
Toxics
December 2024
School of Public Health, Baotou Medical College, Inner Mongolia University of Science & Technology, Baotou 014040, China.
Arsenic exposure can induce liver insulin resistance (IR) and diabetes (DM), but the underlying mechanisms are not yet clear. Circular RNAs (circRNAs) are involved in the regulation of the onset of diabetes, especially in the progression of IR. This study aimed to investigate the role of circRNAs in arsenic-induced hepatic IR and its underlying mechanism.
View Article and Find Full Text PDFFactors and Mechanisms Affecting Arsenic Migration in Cultivated Soils Irrigated with Contained Arsenic Brackish Groundwater.
Microorganisms
November 2024
School of Earth System Science, Tianjin University, Tianjin 300072, China.
Contained arsenic (As) and unsafe brackish groundwater irrigation can lead to serious As pollution and increase the ecological risk in cultivated soils. However, little is known about how Fe oxides and microbes affect As migration during soil irrigation processes involving arsenic-contaminated brackish groundwater. In this study, the samples (porewater and soil) were collected through the dynamic soil column experiments to explore the As migration process and its effect factors during soil irrigation.
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