Abstract:
Background:It has been reported that N-cadherin and cAMP response element binding protein (CREB) in the spinal cord are critical for synaptogenesis and regulation of excitatory synapse function, which could underlie chronic pain development. The aim of the present study was to investigate the role of spinal N-cadherin/CREB signaling in postsurgical pain chronicity following chronic alcohol consumption. Methods:C57BL/6 male mice were randomly assigned into different groups. Plantar incision was used to induce postsurgical pain. Chronic alcohol consumption was conducted by giving mice unlimited access to different concentrations of ethanol for five weeks. We measured paw withdrawal thresholds to test postsurgical pain. Using Western blotting, we examined the expression of N-Cadherin and CREB in the spinal dorsal horn. We further performed intrathecal injection of specific N-cadherin and CREB inhibitors to assess the role of spinal N-cadherin/CREB signaling in chronic alcohol consumption-enhanced postsurgical pain. Results:We observed that the chronic alcohol consumption significantly prolonged postsurgical pain and enhanced plantar incision-increased N-cadherin expression and CREB phosphorylation at the Ser133 in the spinal cord. Intrathecal injection of specific N-cadherin and CREB inhibitors attenuated chronic alcohol consumption-prolonged postsurgical pain. Conclusion:Our results suggest that spinal N-cadherin/CREB signaling is involved in chronic alcohol consumption-caused postsurgical pain chronicity.
journal_name
J Pain Resjournal_title
Journal of pain researchauthors
Ma Y,Zhang X,Li C,Liu S,Xing Y,Tao Fdoi
10.2147/JPR.S267778subject
Has Abstractpub_date
2020-08-12 00:00:00pages
2065-2072issn
1178-7090pii
267778journal_volume
13pub_type
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journal_title:Journal of pain research
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journal_title:Journal of pain research
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journal_title:Journal of pain research
pub_type: 杂志文章
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pub_type: 已发布勘误
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pub_type: 杂志文章
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journal_title:Journal of pain research
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journal_title:Journal of pain research
pub_type: 杂志文章
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更新日期:2020-07-13 00:00:00
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journal_title:Journal of pain research
pub_type: 杂志文章
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journal_title:Journal of pain research
pub_type: 杂志文章
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更新日期:2018-06-15 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章,评审
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