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Therapeutic effect of low dose interleukin-2 on experimental autoimmune encephalo-myelitis in mice / 军事医学
Military Medical Sciences ; (12): 968-972,977, 2017.
Article in Chinese | WPRIM | ID: wpr-694290
Responsible library: WPRO
ABSTRACT
Objective To investigate the therapeutic effect of interleukin-2(IL-2)on experimental autoimmune encephalomyelitis(EAE)mice.Methods After establishment of the EAE(experimental autoimmune encephalomyelitis) mouse models with MOG35-55 polypeptides,the mice were grouped according to the neurological function score and divided into control group,EAE group and low dose IL-2 treatment group.A double blind method was used to evaluate the neuro-logical impairment in mice.On the 29th day,pathological experiments were carried out in the mice's brain and spinal cord, hematoxylin-eosin staining was used to evaluate the scoring of inflammatory cell infiltration and luxol fast blue staining was used to evaluate the scoring of demyelinating.The proportion of regulatory T cells(Treg)and NK cells(natural killer cell, NK)was detected by flow cytometry,and the immunohistochemical method was used to detect the expressions of glial fibril -lary acidic protein(GFAP)and myelin basic protein(MBP)in the spinal cord.Results Compared with the EAE group, the neurological function score, the inflammatory cell infiltration score and the demyelinating score of the low dose IL-2 treatment group were reduced.The proportion of Treg cells in the low dose IL-2 treatment group was significantly higher than that in the EAE group,and the proportion of NK cells in the low dose IL-2 treatment group was slightly higher than that in the EAE group The expression of GFAP and MBP was detected by immunohistochemistry.The expression level of GFAP in low dose IL-2 treatment group was significantly lower than that in the EAE group,while the expression level of MBP was higher than that in the EAE group.Conclusion Low dose IL-2 has significant therapeutic effect on EAE mice.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Military Medical Sciences Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Military Medical Sciences Year: 2017 Type: Article