Neuroprotective Effect of Valproic Acid on Salicylate-Induced Tinnitus
Abstract
:1. Introduction
2. Results
2.1. Gene Expression Levels of ARC, TNFα, and NR2B
2.2. Expression of p-CREB
2.3. Neuroprotective Effect via Modulation of ROS Production
2.4. Effects of VPA in Rat Cortical Neurons
2.5. GPIAS
2.6. Auditory Brainstem Response
2.7. MicroPET CT Findings
2.8. Spatial Expression of NR2B in the Auditory Cortex after Salicylate and VPA Treatments
3. Discussion
4. Materials and Methods
4.1. Cell Culture and Treatment
4.2. Quantitative Polymerase Chain Reaction (qPCR)
4.3. Immunoblot Analysis
4.4. Immunocytochemical Staining
4.5. Detection of Intracellular ROS
4.6. In Vivo Experiments
4.6.1. Animals
4.6.2. Gap and Noise Burst Prepulse Inhibition of Acoustic Startle
4.6.3. Measurement of Auditory Brainstem Response
4.6.4. 18F-FDG PET Imaging
4.6.5. Preparation of Free-Floating Sections
4.6.6. Immunohistochemistry of Free-Floating Sections
4.7. Statistical Analyses
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Song, A.; Cho, G.-W.; Vijayakumar, K.A.; Moon, C.; Ang, M.J.; Kim, J.; Park, I.; Jang, C.H. Neuroprotective Effect of Valproic Acid on Salicylate-Induced Tinnitus. Int. J. Mol. Sci. 2022, 23, 23. https://doi.org/10.3390/ijms23010023
Song A, Cho G-W, Vijayakumar KA, Moon C, Ang MJ, Kim J, Park I, Jang CH. Neuroprotective Effect of Valproic Acid on Salicylate-Induced Tinnitus. International Journal of Molecular Sciences. 2022; 23(1):23. https://doi.org/10.3390/ijms23010023
Chicago/Turabian StyleSong, Anji, Gwang-Won Cho, Karthikeyan A. Vijayakumar, Changjong Moon, Mary Jasmin Ang, Jahae Kim, Ilyong Park, and Chul Ho Jang. 2022. "Neuroprotective Effect of Valproic Acid on Salicylate-Induced Tinnitus" International Journal of Molecular Sciences 23, no. 1: 23. https://doi.org/10.3390/ijms23010023