Xi bao yu fen zi mian yi xue za zhi = Chinese journal of cellular and molecular immunology · 2015
[Proportion and significance of CD1d(hi)CD5⁺CD19⁺ regulatory B cell in peripheral blood of patients with neuromyelitis optica].
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Yang Fen, Huang Dehui, Cheng Chen, Wu Weiping
Аннотация
OBJECTIVE: To detect the proportion of CD1d(hi)CD5⁺CD19⁺ regulatory B cells (Bregs) in peripheral blood of the patients with neuromyelitis optica (NMO), and explore whether CD1d(hi)CD5⁺CD19⁺ Bregs can play a role as a biomarker in the diagnosis of NMO versus multiple sclerosis (MS).
METHODS: Flow cytometry was performed to detect the proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in peripheral blood from 44 cases of NMO, 38 cases of MS, and 30 healthy controls. The serum level of aquaporin-4 antibody (AQP4-Ab) of patients with NMO was detected by indirect immunofluorescence assay.
RESULTS: The proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in CD19⁺ B cells and lymphocytes was significantly lower in NMO group than in MS and control groups; however, there was no significant difference between MS group and control group. The proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in CD19⁺ B cells and lymphocytes was lower in AQP4-Ab-positive NMO patients than in AQP4-Ab-negative NMO patients, and the difference was statistically significant.
CONCLUSION: CD1d(hi)CD5⁺CD19⁺ Bregs may be a biomarker in the differential diagnosis of NMO versus MS.
METHODS: Flow cytometry was performed to detect the proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in peripheral blood from 44 cases of NMO, 38 cases of MS, and 30 healthy controls. The serum level of aquaporin-4 antibody (AQP4-Ab) of patients with NMO was detected by indirect immunofluorescence assay.
RESULTS: The proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in CD19⁺ B cells and lymphocytes was significantly lower in NMO group than in MS and control groups; however, there was no significant difference between MS group and control group. The proportion of CD1d(hi)CD5⁺CD19⁺ Bregs in CD19⁺ B cells and lymphocytes was lower in AQP4-Ab-positive NMO patients than in AQP4-Ab-negative NMO patients, and the difference was statistically significant.
CONCLUSION: CD1d(hi)CD5⁺CD19⁺ Bregs may be a biomarker in the differential diagnosis of NMO versus MS.