Sensory Nerve Maintains Intervertebral Disc Extracellular Matrix Homeostasis Via CGRP/CHSY1 Axis
Abstract: Sensory nerves are long being recognized as collecting units of various outer stimuli; recent advances indicate that the sensory nerve also plays pivotal roles in maintaining organ homeostasis. Here, this study shows that sensory nerve orchestrates intervertebral disc (IVD) homeostasis by regulating its extracellular matrix (ECM) metabolism. Specifically, genetical sensory denervation of IVD results in loss of IVD water preserve molecule chondroitin sulfate (CS), the reduction of CS bio‐synthesis gene chondroitin sulfate synthase 1 (CHSY1) expression, and dysregulated ECM homeostasis of IVD. Particularly, knockdown of sensory neuros calcitonin gene‐related peptide (CGRP) expression induces similar ECM metabolic disorder compared to sensory nerve denervation model, and this effect is abolished in CHSY1 knockout mice. Furthermore, in vitro evidence shows that CGRP regulates nucleus pulposus cell CHSY1 expression and CS synthesis via CGRP receptor component receptor activity‐modifying protein 1 (RAMP1) and cyclic AMP response element‐binding protein (CREB) signaling. Therapeutically, local injection of forskolin significantly attenuates IVD degeneration progression in mouse annulus fibrosus puncture model. Overall, these results indicate that sensory nerve maintains IVD ECM homeostasis via CGRP/CHSY1 axis and promotes IVD repair, and this expands the understanding concerning how IVD links to sensory nerve system, thus shedding light on future development of novel therapeutical strategy to IVD degeneration.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Sensory Nerve Maintains Intervertebral Disc Extracellular Matrix Homeostasis Via CGRP/CHSY1 Axis ; day:01 ; month:09 ; year:2022 ; extent:14
Advanced science ; (01.09.2022) (gesamt 14)
- Creator
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Hu, Bo
Lv, Xiao
Wei, Leixin
Wang, Yunhao
Zheng, Genjiang
Yang, Chen
Zang, Fazhi
Wang, Jianxi
Li, Jing
Wu, Xiaodong
Yue, Zhihao
Xiao, Qiangqiang
Shao, Zengwu
Yuan, Wen
Li, Jinsong
Cao, Peng
Xu, Chen
Chen, Huajiang
- DOI
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10.1002/advs.202202620
- URN
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urn:nbn:de:101:1-2022090115325918714009
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:25 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Hu, Bo
- Lv, Xiao
- Wei, Leixin
- Wang, Yunhao
- Zheng, Genjiang
- Yang, Chen
- Zang, Fazhi
- Wang, Jianxi
- Li, Jing
- Wu, Xiaodong
- Yue, Zhihao
- Xiao, Qiangqiang
- Shao, Zengwu
- Yuan, Wen
- Li, Jinsong
- Cao, Peng
- Xu, Chen
- Chen, Huajiang
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