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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Maho-Vaillant, Maud Larbi, Anis Fink, Katja Chua, Edmond Calbo, Sébastien Lin, Wenyu Shadan, Nurhidaya Binte Poidinger, Michael Duan, Kaibo Yi, June Tai Jing Wong, Siew Cheng Cerny, Daniela Musette, Philippe Lum, Josephine Zolezzi, Francesca |
| Description | Author Affiliation: Lin W ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Cerny D ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Chua E ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Duan K ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Yi JT ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Shadan NB ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Lum J ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Maho-Vaillant M ( INSERM U905, Normandie University, 76183 Rouen, France); Zolezzi F ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Wong SC ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Larbi A ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Fink K ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Musette P ( INSERM U905, Normandie University, 76183 Rouen, France); Poidinger M ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648); Calbo S ( Biomedical Sciences Institutes, Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648) |
| Abstract | Regulatory B cells (B-reg) produce IL-10 and suppress inflammation in both mice and humans, but limited data on the phenotype and function of these cells have precluded detailed assessment of their contribution to host immunity. In this article, we report that human B-reg cannot be defined based on a phenotype composed of conventional B cell markers, and that IL-10 production can be elicited in both the CD27(+) memory population and naive B cell subset after only a brief stimulation in vitro. We therefore sought to obtain a better definition of IL-10-producing human B-regs using a multiparameter analysis of B cell phenotype, function, and gene expression profile. Exposure to CpG and anti-Ig are the most potent stimuli for IL-10 secretion in human B cells, but microarray analysis revealed that human B cells cotreated with these reagents resulted in only â ¼0.7% of genes being differentially expressed between IL-10(+) and IL-10(-) cells. Instead, connectivity map analysis revealed that IL-10-secreting B cells are those undergoing specific differentiation toward a germinal center fate, and we identified a CD11c(+) B cell subset that was not capable of producing IL-10 even under optimal conditions. Our findings will assist in the identification of a broader range of human pro-B-reg populations that may represent novel targets for immunotherapy. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| Journal | The Journal of Immunology |
| Issue Number | 5 |
| Volume Number | 193 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2014-09-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | B-lymphocyte Subsets Immunology Cell Differentiation Interleukin-10 Adjuvants, Immunologic Pharmacology Animals Cytology Drug Effects Genetics Mice Mice, Knockout Oligodeoxyribonucleotides Clinical Trial Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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