ArticleFrontiers in molecular neuroscience2017
Sodium Arsenite-Induced Learning and Memory Impairment Is Associated with Endoplasmic Reticulum Stress-Mediated Apoptosis in Rat Hippocampus.
Article in Frontiers in molecular neuroscience, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.
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Who cites it
31 citing papers in PubMed, 1 synthesis or guideline pooled it, 71 citations in OpenAlex.
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- Sulfur-Containing Amino Acid Homeostasis in the Central Nervous System: From Physiology Regulation to Metal-Induced Neurotoxicity.Metabolites · 2026Review
- Profiling RNA subcellular localization in situ by TATA-seq.RNA (New York, N.Y.) · 2025Article
- Low-level arsenic exposure, childhood neighborhood disadvantage, and executive functions in adolescents from Montevideo, Uruguay.Environmental research · 2025Article
- Neuroprotection by Nauclea latifolia extract in arsenite & high-fat diet-induced brain stress.Environmental analysis, health and toxicology · 2025Article
- hUC-MSC extracellular vesicles protect against hypoxic-ischemic brain injury by promoting NLRP3 ubiquitination.Biomolecules & biomedicine · 2025Article
- Metformin Protects Human Induced Pluripotent Stem Cell (hiPSC)-Derived Neurons from Oxidative Damage Through Antioxidant Mechanisms.Neurotoxicity research · 2025Article
- Hesperetin Attenuates T-2 Toxin-Induced Chondrocyte Injury by Inhibiting the p38 MAPK Signaling Pathway.Nutrients · 2024Article
- Regenerative rehabilitation measures to restore tissue function after arsenic exposure.Current opinion in biomedical engineering · 2024Article
- Profiling of RNA-binding protein binding sites by in situ reverse transcription-based sequencing.Nature methods · 2024Article
- Research progress on arsenic, arsenic-containing medicinal materials, and arsenic-containing preparations: clinical application, pharmacological effects, and toxicity.Frontiers in pharmacology · 2024Review
- Zingerone attenuates sciatic nerve damage caused by sodium arsenite by inhibiting NF-κB, caspase-3, and ATF-6/CHOP pathways and activating the Akt2/FOXO1 pathway.Iranian journal of basic medical sciences · 2024Article
- Subchronic Arsenic Exposure Induces Behavioral Impairments and Hippocampal Damage in Rats.Toxics · 2023Article
- Astrocytic deletion of protein kinase R-like ER kinase (PERK) does not affect learning and memory in aged mice but worsens outcome from experimental stroke.Journal of neuroscience research · 2023Article
- Effects of Early Life Oral Arsenic Exposure on Intestinal Tract Development and Lipid Homeostasis in Neonatal Mice: Implications for NAFLD Development.Environmental health perspectives · 2023Article
- Article
- Behavioral and Molecular Effects of Thapsigargin-Induced Brain ER- Stress: Encompassing Inflammation, MAPK, and Insulin Signaling Pathway.Life (Basel, Switzerland) · 2022Article
- Mitochondrial ROS, ER Stress, and Nrf2 Crosstalk in the Regulation of Mitochondrial Apoptosis Induced by Arsenite.Antioxidants (Basel, Switzerland) · 2022Review
- Arsenic Induces Differential Neurotoxicity in Male, Female, and E2-Deficient Females: Comparative Effects on Hippocampal Neurons and Cognition in Adult Rats.Molecular neurobiology · 2022Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic arsenic exposure has been associated to cognitive deficits. However, mechanisms remain unknown. The present study investigated the neurotoxic effects of sodium arsenite in drinking water over different dosages and time periods. Based on results from the Morris water maze (MWM) and morphological analysis, an exposure to sodium arsenite could induce neuronal damage in the hippocampus, reduce learning ability, and accelerate memory impairment. Sodium arsenite significantly increased homocysteine levels in serum and brain. Moreover, sodium arsenite triggered unfolded protein response (UPR), leading to the phosphorylation of RNA-regulated protein kinase-like ER kinase (PERK) and eukaryotic translation initiation factor 2 subunit α (eIF2α), and the induction of activating transcription factor 4 (ATF4). Arsenite exposure also stimulated the expression of the endoplasmic reticulum (ER) stress markers, glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP) and the cleavage of caspase-12. Furthermore, exposure to arsenite enhanced apoptosis as demonstrated by expression of caspase-3 and TUNEL assay in the hippocampus. The results suggest that exposure to arsenite can significantly decrease learning ability and accelerate memory impairment. Potential mechanisms are related to enhancement of homocysteine and ER stress-induced apoptosis in the hippocampus.
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Registered trials
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