期刊
JOURNAL OF CHEMICAL NEUROANATOMY
卷 107, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jchemneu.2020.101807
关键词
spinal cord injury; ferroptosis; proanthocyanidins; GPX4; Nrf2
资金
- National Natural Science Foundation of China [81501077]
- Social Development Project of Zhenjiang City [SH2017007]
- Senior Talent Fund of Jiangsu University [15JDG083]
- Affiliated Hospital of Jiangsu University [jdfyRC2017015]
- Research Innovation Program of Jiangsu University [201910299795X, 201910299701X]
Improving the microenvironment of lesioned spinal cord to minimize the secondary injury is one important strategy to treat spinal cord injury (SCI). The ensuing hemorrhage after SCI has tight connection with ferroptosis. This study investigated the effects of proanthocyanidins (PACs) on SCI repair and the underlying mechanisms. Adult female mice were divided into four groups, including sham, SCI, PACs5 and PACs10 (i.p. 5 and 10 mg/kg PACs after SCI respectively). The impacts of SCI and PACs treatment on redox parameters (iron contents, TBARS, GSH, and GPX activities) and ferroptosis essential factors such as ACSL4, LPCAT3, Alox15B, Nrf2, HO-1, GPX4 were investigated. The results demonstrated that PACs treatment significantly decreased the levels of iron, TBARS, ACSL4, and Alox15B, while increased the levels of GSH, GPX4, Nrf2, and HO-1 in traumatic spinal cords. Above all, PACs improved the locomotive function of SCI mice. These results suggest that PACs might be potential therapeutics for SCI repair by inhibiting ferroptosis in SCI.
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