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- W3164502247 abstract "Background: The prevalence of peripheral neuropathy in patients with gout almostly reaches 25%[1]. Demyelination caused by Schwann cell (SCs) injury and apoptosis is the major pathological feature of peripheral[2]. None of study has focused on the effects of monosodium urate (MSU) crystals on SCs. Objectives: To assess the effect of MSU crystals on SCs. Methods: Mouse-derived Schwann cells (RSC96) are stimulated with different concentrations of MSU crystals (0mg/ml,0.25mg/ml,0.5mg/ml) and time (24h,48h,72h). The migration ability of Schwann cells is evaluated by acratch assay, the proliferation level is assessed by the cell counting kit-8 (CCK-8) assay, and the apoptosis rate is detected by flow cytometry. Results: The acratch assay showed that the migration ability of SCs was worsened, CCK-8 assay suggested that proliferation of SCs was reduced in a dose-dependent manner (P<0.05). According to the result of flow cytometry, the survival rate of SCs at 0.5mg/ml(78.60%±2.26%) was lower than that 0.25mg/ml(87.50%±0.95%)and 0mg/ml (98.80%±0.26%)(p<0.05) at 24h. When the stimulation time increased to 72h, the survival rate at 0.5mg/ml(47.90%±11.70%) dropped significantly, which was significantly different from the other two groups(p<0.05). Conclusion: MSU crystals can cause damage to Schwann cells. It may help to explain the reason of peripheral neuropathy in gout patients. References: [1]López-López, C.O., et al., Peripheral neuropathies in rheumatic diseases: More diverse and frequent than expected. A cross-sectional study. International journal of rheumatic diseases, 2020. 23(2): p. 226-232. [2]Liu, Y., S. Shao and H. Guo, Schwann cells apoptosis is induced by high glucose in diabetic peripheral neuropathy. Life sciences, 2020. 248: p. 117459. Figure 1. Flow cytometry assays of RSC96 on MSU crystals at 72h Disclosure of Interests: None declared." @default.
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- W3164502247 date "2021-05-19" @default.
- W3164502247 modified "2023-09-25" @default.
- W3164502247 title "POS1135 MONOSODIUM URATE CRYSTALS REDUCE SCHWANN CELLS VIABILITY" @default.
- W3164502247 doi "https://doi.org/10.1136/annrheumdis-2021-eular.1989" @default.
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