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Lymphocytes in the treatment with interferon beta-1 b.
Multiple Sclerosis and related Disorders 2017 November
BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory demyelinating and neurodegenerative disease affecting the central nervous system. One of the basic medications for the treatment of a clinically isolated syndrome (CIS) or relapsing-remitting MS is interferon beta (INFβ). Although the exact mechanism of its effects is unknown, the medication has an anti-inflammatory and immunomodulatory effect. The goal of this study was to determine the characters which are affected in patients treated with INFβ.
METHODS: A total of 97 patients (25 males and 72 females) were included into the study. Patients were treated by INFβ 1-b (subcutaneous injection, 250µg, each other day). Clinical evaluations were performed by an attending neurologist. Peripheral blood samples were obtained just prior to treatment and 5 years after INFβ 1-b. Statistical analysis and processing of the obtained data were performed by using a comprehensive statistical software package MATLAB®.
RESULTS: A significant decrease of the observed parameters after 5 years' of treatment (significant at the 1% significance level) was found in the absolute and relative CD69 count, absolute cytotoxic/suppressor T lymphocyte count, absolute total leukocyte count, absolute natural killer cells count. A significant decrease of the observed parameters after 5 years' of treatment (significant at the 5% significance level) was found in the absolute lymphocyte count, relative cytotoxic/suppressor T lymphocyte count, relative CD3+CD69+ count and absolute CD8+CD38+ count.
CONCLUSION: The treatment with interferon beta reduces clinical exacerbations in multiple sclerosis (MS) through several known immunomodulatory mechanisms. However, the exact mechanism of effect of this medication is not known. This study presents some parameters that were affected by the long-term INFβ treatment.
METHODS: A total of 97 patients (25 males and 72 females) were included into the study. Patients were treated by INFβ 1-b (subcutaneous injection, 250µg, each other day). Clinical evaluations were performed by an attending neurologist. Peripheral blood samples were obtained just prior to treatment and 5 years after INFβ 1-b. Statistical analysis and processing of the obtained data were performed by using a comprehensive statistical software package MATLAB®.
RESULTS: A significant decrease of the observed parameters after 5 years' of treatment (significant at the 1% significance level) was found in the absolute and relative CD69 count, absolute cytotoxic/suppressor T lymphocyte count, absolute total leukocyte count, absolute natural killer cells count. A significant decrease of the observed parameters after 5 years' of treatment (significant at the 5% significance level) was found in the absolute lymphocyte count, relative cytotoxic/suppressor T lymphocyte count, relative CD3+CD69+ count and absolute CD8+CD38+ count.
CONCLUSION: The treatment with interferon beta reduces clinical exacerbations in multiple sclerosis (MS) through several known immunomodulatory mechanisms. However, the exact mechanism of effect of this medication is not known. This study presents some parameters that were affected by the long-term INFβ treatment.
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