Changes in lymphocyte subsets in patients with Guillain-Barré syndrome treated with immunoglobulin
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- 作者：Hui Qing Hou ; Jun Miao ; Xue Dan Feng ; Mei Han ; Xiu Juan Song ; Li Guo
- 关键词：Acute inflammatory demyelinating polyneuropathy ; Acute motor axonal neuropathy ; Guillain ; Barré syndrome ; Intravenous immunoglobulin ; Lymphocyte subsets
- 刊名：BMC Neurology
- 出版年：2014
- 出版时间：December 2014
- 年：2014
- 卷：14
- 期：1
- 全文大小：625 KB
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- 出版者：BioMed Central
- ISSN：1471-2377
文摘
Background Guillain-Barré syndrome (GBS) is an autoimmune condition characterized by peripheral neuropathy. The pathogenesis of GBS is not fully understood, and the mechanism of how intravenous immunoglobulin (IVIG) cures GBS is ambiguous. Herein, we investigated lymphocyte subsets in patients with two major subtypes of GBS (acute inflammatory demyelinating polyneuropathy, AIDP, and acute motor axonal neuropathy, AMAN) before and after treatment with IVIG, and explored the possible mechanism of IVIG action. Methods Sixty-four patients with GBS were selected for our study and divided into two groups: AIDP (n--8) and AMAN (n--6). Thirty healthy individuals were chosen as the control group. Relative counts of peripheral blood T and B lymphocyte subsets were detected by flow cytometry analysis. Results In the AIDP group, the percentage of CD4+CD45RO+ T cells was significantly higher, while the percentage of CD4+CD45RA+ T cells was notably lower, than in the control group. After treatment with IVIG, the ratio of CD4+/CD8+ T cells and the percentage of CD4+CD45RA+ T cells increased, while the percentages of CD8+ T cells and CD4+CD45RO+ T cells decreased significantly, along with the number of CD19+ B cells. However, there were not such obvious changes in the AMAN group. The Hughes scores were significantly lower in both the AIDP and AMAN groups following treatment with IVIG, but the changes in Hughes scores showed no significant difference between the two groups. Conclusions This study suggested that the changes in T and B-lymphocyte subsets, especially in CD4+T-lymphocyte subsets, might play an important role in the pathogenesis of AIDP, and in the mechanism of IVIG action against AIDP.