Methylprednisolone pulse treatment is currently used fo r optic neuritis.It can speed visual recovery,but does not improve the ultimate visual outcomes.Recent studies have repo rted that miR-125 a-5 p has immunomodula...Methylprednisolone pulse treatment is currently used fo r optic neuritis.It can speed visual recovery,but does not improve the ultimate visual outcomes.Recent studies have repo rted that miR-125 a-5 p has immunomodulatory effects on autoimmune diseases.However,it remains unclear whether miR-125 a-5 p has effects on optic neuritis.In this study,we used adeno-associated virus to overexpress or silence miR-125 a-5 p in mice.We found that silencing miR-125 a-5 p increased the latency of visual evoked potential and aggravated inflammation of the optic nerve.Ove rexpression of miR-125 a-5 p suppressed inflammation of the optic nerve,protected retinal ganglion cells,and increased the percentage of Treg cells.Our findings show that miR-125 a-5 p exhibits anti-inflammatory effects through promoting the diffe rentiation of Treg cells.展开更多
基金supported by the National Natural Science Foundation of China,No.81560162the Guangxi Natural Science Foundation of China,No.2018GXNSFAA050052(both YD)。
文摘Methylprednisolone pulse treatment is currently used fo r optic neuritis.It can speed visual recovery,but does not improve the ultimate visual outcomes.Recent studies have repo rted that miR-125 a-5 p has immunomodulatory effects on autoimmune diseases.However,it remains unclear whether miR-125 a-5 p has effects on optic neuritis.In this study,we used adeno-associated virus to overexpress or silence miR-125 a-5 p in mice.We found that silencing miR-125 a-5 p increased the latency of visual evoked potential and aggravated inflammation of the optic nerve.Ove rexpression of miR-125 a-5 p suppressed inflammation of the optic nerve,protected retinal ganglion cells,and increased the percentage of Treg cells.Our findings show that miR-125 a-5 p exhibits anti-inflammatory effects through promoting the diffe rentiation of Treg cells.