Rapid Turnover of Cortical NCAM1 Regulates Synaptic Reorganization after Peripheral Nerve Injury

Autor: Christoph W. Turck, Somi Kim, Hyun Jeong Kim, Ji-il Kim, Jaehoon Shim, Sanghyun Ye, Hyoung-Gon Ko, Siyong Kim, Jeehaeh Do, Ariful Islam, Sukjae Joshua Kang, Jihye Park, Su-Eon Sim, Chae-Seok Lim, Min Zhuo, Jaehyun Lee, Dong Ik Park, Graham L. Collingridge, Jun-Hyeok Choi, Pojeong Park, Tae-Hyeok Choi, Bong-Kiun Kaang
Rok vydání: 2018
Předmět:
Zdroj: Ko, H-G, Choi, J-H, Park, D I, Kang, S J, Lim, C-S, Sim, S-E, Shim, J, Kim, J-I, Kim, S, Choi, T-H, Ye, S, Lee, J, Park, P, Kim, S, Do, J, Park, J, Islam, M A, Kim, H J, Turck, C W, Collingridge, G L, Zhuo, M & Kaang, B-K 2018, ' Rapid Turnover of Cortical NCAM1 Regulates Synaptic Reorganization after Peripheral Nerve Injury ', Cell Reports, vol. 22, no. 3, pp. 748-759 . https://doi.org/10.1016/j.celrep.2017.12.059
CELL REPORTS
Cell Reports, Vol 22, Iss 3, Pp 748-759 (2018)
ISSN: 2211-1247
DOI: 10.1016/j.celrep.2017.12.059
Popis: Peripheral nerve injury can induce pathological conditions that lead to persistent sensitized nociception. Although there is evidence that plastic changes in the cortex contribute to this process, the underlying molecular mechanisms are unclear. Here, we find that activation of the anterior cingulate cortex (ACC) induced by peripheral nerve injury increases the turnover of specific synaptic proteins in a persistent manner. We demonstrate that neural cell adhesion molecule 1 (NCAM1) is one of the molecules involved and show that it mediates spine reorganization and contributes to the behavioral sensitization. We show striking parallels in the underlying mechanism with the maintenance of NMDA-receptor- and protein-synthesis-dependent long-term potentiation (LTP) in the ACC. Our results, therefore, demonstrate a synaptic mechanism for cortical reorganization and suggest potential avenues for neuropathic pain treatment.
Databáze: OpenAIRE