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Muheremu A, Yakufu M, Jiang J, Li S, Aili A. Mirna-218 Inhibits Inflammatory Reaction After Rat Cervical Spinal Cord Injury by Targeting Signal Transducer and Activator of Transcription-3. J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.3127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To find if the overexpression of microrna-218 can be used to treat SCI, here we divided 80 SD rats into control, SCI, overexpression and silencing groups, each with 20 rats. BBB score and combined behavior scores were used to evaluate the motor function under the SCI level. Expression
of IL-1, IL-6, IL-23, STAT3 as well as p-STAT3 was measured. 8 weeks after surgery, over-expression group showed higher BBB score than controls (P < 0.05), while the CBS score was lower in overexpression group than control groups (P < 0.05). The expression of IL-1, IL-6
and IL-23 in the over expression group was lower than the SCI and silencing groups. Levels of IL-17mrna, STAT3 and phosphorylated STAT3 were higher in the over expression group than control groups, but lower than rats in SCI and silencing groups (P < 0.05). In conclusion, mirna-218
can prevent the overexpression of inflammatory factors by inhibiting the expression of STAT3, reducing secondary injury and promoting functional rehabilitation in rats after SCI.
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Affiliation(s)
- Aikeremujiang Muheremu
- Department of Spine Surgery, Sixth Affiliated Hospital of Xinjiang Medical University, Tianshan District, Urumqi, Xinjiang 86830001, China
| | - Maihemuti Yakufu
- Center of Orthopaedic Research, Department of Orthopaedics, Sixth Affiliated Hospital of Xinjiang Medical University, Tianshan District, Urumqi, Xinjiang 86830001, China
| | - Junyao Jiang
- Class of 1806 Clinical Medicine, School of Basic Medical Sciences, Henan University of Science and Technology, 263 Kaiyuan Avenue, Luolong District, Luoyang, Henan 86471023, China
| | - Shu Li
- Department of Orthopaedics, Sixth Affiliated Hospital of Xinjiang Medical University, Tianshan District, Urumqi, Xinjiang 86830001, China
| | - Abudunaibi Aili
- Department of Spine Surgery, Sixth Affiliated Hospital of Xinjiang Medical University, Tianshan District, Urumqi, Xinjiang 86830001, China
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