Effects of Early Exposure of Isoflurane on Chronic Pain via the Mammalian Target of Rapamycin Signal Pathway
Abstract
:1. Introduction
2. Results
2.1. Effect of Early Isoflurane Exposure on Chronic Pain Behaviors
2.2. Effect of Isoflurane Exposure on Expression of mTOR Pathway and Neuronal Activity in Insular Cortex (IC)
2.3. Effect of Early Isoflurane Exposure on Expression of mTOR and Neuronal Activity in Anterior Cingulate Cortex (ACC)
2.4. Effect of Isoflurane Exposure on Neuronal Activity and pS6 Expression in Superficial Spinal Dorsal Horn (SDH)
3. Discussion
4. Materials and Methods
4.1. Animal Paradigm and Experimental Timeline
4.2. Isoflurane Exposure
4.3. Rapamycin Injection
4.4. Behavior Tests
4.4.1. Tail Flick Test
4.4.2. The von Frey Test
4.4.3. Formalin Test
4.5. Immunohistochemistry (IHC)
4.6. Western Blotting (WB)
4.7. Statistical Analysis
Author Contributions
Funding
Conflicts of Interest
Abbreviations
PPSP | Persistent post-surgical pain |
mTOR | Mammalian target of rapamycin |
WB | Western blot |
IC | Insular cortex |
ACC | Anterior cingulate cortex |
SDH | Spinal cord dorsal horn |
CNS | Central nervous system |
p(number) | Post-natal day |
IHC | Immunohistochemistry |
pS6 | Phospho-s6 |
p-mTOR | Phosphorylated mTOR |
t-mTOR | Total mTOR |
PSD95 | Post synaptic density 95 |
PFC | Pre-frontal cortex |
4E-BP | Eukaryotic inhibition factor 4E-binding protein |
p70S6K | p70 ribosomal S6 protein kinase |
DRG | Dorsal root ganglion |
i.P. | Intraperitoneal injection |
CG | Carrier gas |
PBS | Phosphate-buffered saline |
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Li, Q.; Mathena, R.P.; Eregha, O.N.; Mintz, C.D. Effects of Early Exposure of Isoflurane on Chronic Pain via the Mammalian Target of Rapamycin Signal Pathway. Int. J. Mol. Sci. 2019, 20, 5102. https://doi.org/10.3390/ijms20205102
Li Q, Mathena RP, Eregha ON, Mintz CD. Effects of Early Exposure of Isoflurane on Chronic Pain via the Mammalian Target of Rapamycin Signal Pathway. International Journal of Molecular Sciences. 2019; 20(20):5102. https://doi.org/10.3390/ijms20205102
Chicago/Turabian StyleLi, Qun, Reilley Paige Mathena, O’Rukevwe Nicole Eregha, and C. David Mintz. 2019. "Effects of Early Exposure of Isoflurane on Chronic Pain via the Mammalian Target of Rapamycin Signal Pathway" International Journal of Molecular Sciences 20, no. 20: 5102. https://doi.org/10.3390/ijms20205102