Phosphorylation of the AMPARs regulated by protein kinase C (PKC) and protein interacting with C-kinase 1 (PICK1) contribute to orofacial neuropathic pain
Copyright © 2023 Elsevier B.V. All rights reserved..
The α-amino-3-hydroxy-5-methylisoxazole-4-isoxazolepropionic acid receptor (AMPAR) has been recognized to play a vital role in the development of neuropathic pain. Recent studies have indicated that protein kinase C (PKC) and protein interacting with C-kinase 1 (PICK1) are involved in the phosphorylation of AMPARs. However, whether PKC and PICK1 were involved in the AMPAR phosphorylation in the trigeminal ganglion (TG) to participate in orofacial neuropathic pain remains enigmatic. A behavioral test was utilized to evaluate the head withdrawal threshold (HWT) after chronic constriction injury of the infraorbital nerve (CCI-ION). The distribution and expression of GluA1, GluA2, PKC, and PICK1 were examined in the trigeminal ganglion (TG) by immunofluorescence, real-time reverse transcription-quantitative polymerase chain reaction, immunoblotting, and co-immunoprecipitation. Intra-ganglionic injections of drugs were performed to investigate the regulation mechanism. The present study demonstrated that CCI-ION-induced mechanical allodynia was maintained over at least 21 days. GluA1 and GluA2 were mainly expressed in the neurons. Trigeminal nerve injury potentiated the phosphorylation of GluA1, GluA2, and PKC in the TG, which was prevented by inhibiting PKC with chelerythrine chloride. Additionally, PICK1 colocalized and interacted with GluA2 in the TG. Following blocking PICK1 with FSC-231, the phosphorylation of GluA2 decreased. Finally, inhibition of PKC and PICK1 both alleviated mechanical allodynia in the whisker pad of CCI-ION mice. In conclusion, activation of PKC and PICK1 contribute to orofacial allodynia by regulating AMPAR phosphorylation in the TG of male mice, which provides potential therapeutic targets for alleviating orofacial neuropathic pain.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1820 |
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| Enthalten in: |
Brain research - 1820(2023) vom: 01. Dez., Seite 148578 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Fei [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 14.10.2023 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.brainres.2023.148578 |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Liu, Fei |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Phosphorylation of the AMPARs regulated by protein kinase C (PKC) and protein interacting with C-kinase 1 (PICK1) contribute to orofacial neuropathic pain |
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| 520 | |a Copyright © 2023 Elsevier B.V. All rights reserved. | ||
| 520 | |a The α-amino-3-hydroxy-5-methylisoxazole-4-isoxazolepropionic acid receptor (AMPAR) has been recognized to play a vital role in the development of neuropathic pain. Recent studies have indicated that protein kinase C (PKC) and protein interacting with C-kinase 1 (PICK1) are involved in the phosphorylation of AMPARs. However, whether PKC and PICK1 were involved in the AMPAR phosphorylation in the trigeminal ganglion (TG) to participate in orofacial neuropathic pain remains enigmatic. A behavioral test was utilized to evaluate the head withdrawal threshold (HWT) after chronic constriction injury of the infraorbital nerve (CCI-ION). The distribution and expression of GluA1, GluA2, PKC, and PICK1 were examined in the trigeminal ganglion (TG) by immunofluorescence, real-time reverse transcription-quantitative polymerase chain reaction, immunoblotting, and co-immunoprecipitation. Intra-ganglionic injections of drugs were performed to investigate the regulation mechanism. The present study demonstrated that CCI-ION-induced mechanical allodynia was maintained over at least 21 days. GluA1 and GluA2 were mainly expressed in the neurons. Trigeminal nerve injury potentiated the phosphorylation of GluA1, GluA2, and PKC in the TG, which was prevented by inhibiting PKC with chelerythrine chloride. Additionally, PICK1 colocalized and interacted with GluA2 in the TG. Following blocking PICK1 with FSC-231, the phosphorylation of GluA2 decreased. Finally, inhibition of PKC and PICK1 both alleviated mechanical allodynia in the whisker pad of CCI-ION mice. In conclusion, activation of PKC and PICK1 contribute to orofacial allodynia by regulating AMPAR phosphorylation in the TG of male mice, which provides potential therapeutic targets for alleviating orofacial neuropathic pain | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid subtype glutamate receptors | |
| 650 | 4 | |a Orofacial neuropathic pain | |
| 650 | 4 | |a Protein interacting with C-kinase 1 | |
| 650 | 4 | |a Protein kinase C | |
| 650 | 4 | |a Trigeminal ganglion | |
| 650 | 4 | |a Trigeminal nerve injury | |
| 700 | 1 | |a Zhang, Yu-Han |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yan-Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Jiu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Ya-Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yue-Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Zhong-Han |e verfasserin |4 aut | |
| 700 | 1 | |a Liao, Hong-Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hang |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Jie-Fei |e verfasserin |4 aut | |
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