ArticleAging cell2025
Knockdown of RUVBL2 improves hnRNPA2/B1-stress granules dynamics to inhibit perioperative neurocognitive disorders in aged mild cognitive impairment rats.
Article in Aging cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Desflurane Increases Hippocampal RAF-MAPK-MSK1 Protein Levels and Reduces CLOCK Expression: Sorafenib Attenuates Cognitive Impairment in Aged Mice.Neurochemical research · 2026Article
- Proteostasis of organelles in aging and disease.The FEBS journal · 2026Review
- Propofol-Facilitated Recovery Sleep Modulates Cognitive Function via Slow Oscillation-Spindle Coupling After Acute Sleep Deprivation in Rats.CNS neuroscience & therapeutics · 2026Article
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- ASPH interacts with RUVBL2 to promote tumor metastasis in lung adenocarcinoma via MAPK and Notch signaling pathways.Frontiers of medicine · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
Perioperative neurocognitive disorders (PND) is common in aged mild cognitive impairment (MCI) patients and can accelerate the progression to dementia. This process involves heterogeneous nuclear ribonucleoprotein A2/B1 (hnRNPA2/B1)-mediated aggregates of stress granules (SGs), while RUVBL2 influences the dynamics of these SGs. Our research explored a new target for modulating hnRNAPA2/B1-SGs dynamics to accelerate their disassembly and potentially delay MCI progression due to PND. We assessed the effect of hippocampal RUVBL2 knockdown on hnRNPA2/B1-SGs in aged MCI rats through behavioral studies, biochemical experiments and MRI. We also examined hnRNPA2/B1-SGs dynamics using immunofluorescence staining and fluorescence recovery after photobleaching (FRAP) in rat primary hippocampal neurons. Our results revealed that hnRNPA2/B1 in the hippocampus of aged MCI rats translocates to the cytoplasm to form SGs following anesthesia. RUVBL2 knockdown promotes the disappearance of hnRNPA2/B1-SGs, allowing hnRNPA2/B1 to return to the nucleus and enhancing functional activity in the brain regions of aged MCI rats. In primary hippocampal neurons, RUVBL2 deletion facilitated hnRNPA2/B1-SGs transition from hydrogel to liquid, promoting disassembly. We compared three commonly used general anesthetics-3% sevoflurane, 40 mg·kg
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