ArticleNeurochemical research2012
Protection against protein aggregation by alpha-crystallin as a mechanism of preconditioning.
Article in Neurochemical research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 7 citations in OpenAlex.
- Oxidation of an exposed methionine instigates the aggregation of glyceraldehyde-3-phosphate dehydrogenase.The Journal of biological chemistry · 2014Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Anesthetic preconditioning occurs when cells previously exposed to inhaled anesthetics are protected against subsequent injury. We hypothesize that inhaled anesthetics may cause slight protein misfolding that involves site-specific dehydration, stimulating cytoprotective mechanisms. Human neuroblastoma cells were exposed to ethanol (as the dehydration agent) followed by quantitative analysis of the expression of five heat shock genes: DNAJC5G, CRYAA, HSPB2, HSF4 and HSF2. There was an ethanol-induced upregulation of all genes except HSF4, similar to previous observations using isoflurane. CRYAA (the gene for alphaA-crystallin) exhibited a 23.19 and 17.15-fold increase at 24 and 48 h post ethanol exposure, respectively. Additionally, we exposed glyceraldehyde 3-phosphate dehydrogenase to ethanol, which altered oligomeric subspecies and caused protein aggregation in a concentration-dependent manner. Ethanol-mediated dehydration-induced protein aggregation was prevented by incubation with alpha-crystallin. These data indicate that ethanol mimics the effects of isoflurane presumably through a cellular preconditioning mechanism that involves dehydration-induced protein aggregation.
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Registered trials
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