MicroRNAs are a class of recently discovered, small non-coding RNAs that have been shown to play essential roles in a vast majority of biological processes. Very little is known about the role of microRNAs during spin...MicroRNAs are a class of recently discovered, small non-coding RNAs that have been shown to play essential roles in a vast majority of biological processes. Very little is known about the role of microRNAs during spinal cord injury. This review summarizes the changes in expression levels of microRNAs after spinal cord injury. These aberrant changes suggest that microRNAs play an important role in inflammation, oxidative stress, apoptosis, glial scar formation and axonal regeneration. Given their small size and specificity of action, microRNAs could be potential therapeutics for treating spinal cord injury in the future. There are rapidly developing techniques for manipulating microRNA levels in animals; we review different chemical modification and delivery strategies. These may provide platforms for designing efficient microRNA delivery protocols for use in the clinic.展开更多
Dear Editor,Adeno-associated virus(AAV)is one of the most powerful vectors for exogenous gene delivery.1 However,the risks associated with the high dosages of AAV administration that are required to achieve meaningful...Dear Editor,Adeno-associated virus(AAV)is one of the most powerful vectors for exogenous gene delivery.1 However,the risks associated with the high dosages of AAV administration that are required to achieve meaningful effects limit the applicability of this method.Generally,AAV only presents cell autonomous manner in infected cells.Besides,mosaic genetic editing or gene therapy would trigger global biological function restore by above 30–40%infective ratio in heart diseases.展开更多
基金supported by grants from the National Natural Science Foundation of China,No. 30971633 and 31171045the Program for Changjiang Scholars and Innovative Research Team in University,No. IRT0935the New Jersey Commission on Spinal Cord Research
文摘MicroRNAs are a class of recently discovered, small non-coding RNAs that have been shown to play essential roles in a vast majority of biological processes. Very little is known about the role of microRNAs during spinal cord injury. This review summarizes the changes in expression levels of microRNAs after spinal cord injury. These aberrant changes suggest that microRNAs play an important role in inflammation, oxidative stress, apoptosis, glial scar formation and axonal regeneration. Given their small size and specificity of action, microRNAs could be potential therapeutics for treating spinal cord injury in the future. There are rapidly developing techniques for manipulating microRNA levels in animals; we review different chemical modification and delivery strategies. These may provide platforms for designing efficient microRNA delivery protocols for use in the clinic.
基金This work was supported by the National Natural Science Foundation of China(81741025 and 81700360)Technology Project of Sichuan Province of China(2020YFS0102).
文摘Dear Editor,Adeno-associated virus(AAV)is one of the most powerful vectors for exogenous gene delivery.1 However,the risks associated with the high dosages of AAV administration that are required to achieve meaningful effects limit the applicability of this method.Generally,AAV only presents cell autonomous manner in infected cells.Besides,mosaic genetic editing or gene therapy would trigger global biological function restore by above 30–40%infective ratio in heart diseases.
