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Protein post-translational modifications after spinal cord injury
Shuang Zhu1, Bing-Sheng Yang1, Si-Jing Li1
1Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China.
Neural Regeneration Research
|March 1, 2021
Summary
Spinal cord injury hinders axonal growth due to intrinsic deficits and inhibitory factors. Understanding post-translational modifications offers new therapeutic strategies for spinal cord injury recovery and pain management.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Molecular Biology
Background:
- Spinal cord injury (SCI) results in devastating functional deficits due to impaired intrinsic neuronal capacity, lack of growth support, and inhibitory molecules.
- Current therapeutic strategies for SCI focus on overcoming axonal growth inhibition and enhancing growth-promoting factors.
Purpose of the Study:
- To review the role of post-translational modifications (PTMs) in axonal growth, functional recovery, and neuropathic pain following SCI.
- To elucidate the dynamic changes in SCI-related molecules and identify new therapeutic avenues.
Main Methods:
- Literature review of studies investigating PTMs after SCI.
- Analysis of PTMs including tyrosination, acetylation, and phosphorylation in the context of axonal growth.
Main Results:
- Several protein-level disorders are implicated in axonal regeneration failure post-SCI.
- PTMs like tyrosination, acetylation, and phosphorylation significantly impact axonal growth and functional outcomes.
- Understanding these PTMs is crucial for deciphering molecular changes post-SCI.
Conclusions:
- PTMs play a critical role in axonal growth, functional recovery, and neuropathic pain after SCI.
- Targeting PTMs presents a promising therapeutic strategy for developing novel treatments for spinal cord injury.
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