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Bisperoxovanadium protects against spinal cord injury by regulating autophagy via activation of ERK1/2 signaling.
Tang, Yu-Jin; Li, Kai; Yang, Cheng-Liang; Huang, Ke; Zhou, Jing; Shi, Yu; Xie, Ke-Gong; Liu, Jia.
Afiliación
  • Tang YJ; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
  • Li K; Academy of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.
  • Yang CL; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
  • Huang K; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
  • Zhou J; Department of Anatomy, Youjiang Medical University for Nationalities, Baise, Guangxi, China.
  • Shi Y; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
  • Xie KG; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
  • Liu J; Department of Orthopaedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China, liujia0111@live.cn.
Drug Des Devel Ther ; 13: 513-521, 2019.
Article en En | MEDLINE | ID: mdl-30774313
BACKGROUND: Spinal cord injury (SCI) is a disease of the central nervous system with few restorative treatments. Autophagy has been regarded as a promising therapeutic target for SCI. The inhibitor of phosphatase and tensin homolog deleted on chromosome ten (PTEN) bisperoxovanadium (bpV[pic]) had been claimed to provide a neuroprotective effect on SCI; but the underlying mechanism is still not fully understood. MATERIALS AND METHODS: Acute SCI model were generated with SD Rats and were treated with control, acellular spinal cord scaffolds (ASC) obtained from normal rats, bpV(pic), and combined material of ASC and bpV(pic). We used BBB score to assess the motor function of the rats and the motor neurons were stained with Nissl staining. The expressions of the main autophagy markers LC3B, Beclin1 and P62, expressions of apoptosis makers Bax, Bcl2, PARP and Caspase 3 were detected with IF or Western Blot analysis. RESULTS: The bpV(pic) showed significant improvement in functional recovery by activating autophagy and accompanied by decreased neuronal apoptosis; combined ASC with bpV(pic) enhanced these effects. In addition, after treatment with ERK1/2 inhibitor SCH772984, we revealed that bpV(pic) promotes autophagy and inhibits apoptosis through activating ERK1/2 signaling after SCI. CONCLUSION: These results illustrated that the bpV(pic) protects against SCI by regulating autophagy via activation of ERK1/2 signaling.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Traumatismos de la Médula Espinal / Autofagia / Compuestos de Vanadio / Proteína Quinasa 1 Activada por Mitógenos / Sistema de Señalización de MAP Quinasas / Proteína Quinasa 3 Activada por Mitógenos Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Drug Des Devel Ther Asunto de la revista: FARMACOLOGIA / TERAPIA POR MEDICAMENTOS Año: 2019 Tipo del documento: Article Pais de publicación: Nueva Zelanda
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Traumatismos de la Médula Espinal / Autofagia / Compuestos de Vanadio / Proteína Quinasa 1 Activada por Mitógenos / Sistema de Señalización de MAP Quinasas / Proteína Quinasa 3 Activada por Mitógenos Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: Drug Des Devel Ther Asunto de la revista: FARMACOLOGIA / TERAPIA POR MEDICAMENTOS Año: 2019 Tipo del documento: Article Pais de publicación: Nueva Zelanda