Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142475
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dc.contributor.authorOng, Siew-Minen_US
dc.contributor.authorTeng, Karenen_US
dc.contributor.authorNewell, Evanen_US
dc.contributor.authorChen, Haoen_US
dc.contributor.authorChen, Jinmiaoen_US
dc.contributor.authorLoy, Thomasen_US
dc.contributor.authorYeo, Tsin-Wenen_US
dc.contributor.authorFink, Katjaen_US
dc.contributor.authorWong, Siew Chengen_US
dc.date.accessioned2020-06-22T09:18:09Z-
dc.date.available2020-06-22T09:18:09Z-
dc.date.issued2019-
dc.identifier.citationOng, S.-M., Teng, K., Newell, E., Chen, H., Chen, J., Loy, T., . . . Wong, S. C. (2019). A novel, five-marker alternative to CD16–CD14 gating to identify the three human monocyte subsets. Frontiers in Immunology, 10, 1761-. doi:10.3389/fimmu.2019.01761en_US
dc.identifier.issn1664-3224en_US
dc.identifier.urihttps://hdl.handle.net/10356/142475-
dc.description.abstractHuman primary monocytes are heterogeneous in terms of phenotype and function, but are sub-divided only based on CD16 and CD14 expression. CD16 expression distinguishes a subset of monocytes with highly pro-inflammatory properties from non-CD16 expressing "classical" monocytes. CD14 expression further subdivides the CD16+ monocytes into non-classical CD14low and intermediate CD14high subsets. This long-standing CD16-CD14 classification system, however, has limitations as CD14 is expressed in a continuum, leading to subjectivity in delineating the non-classical and intermediate subsets; in addition, CD16 expression is unstable, making identification of the subsets impossible after in vitro culture or during inflammatory conditions in vivo. Hence, we aimed to identify the three monocyte subsets using an alternative combination of markers. Additionally, we wanted to address whether the monocyte subset perturbations observed during infection is real or an artifact of differential CD16 and/or CD14 regulation. Using cytometry by time-of-flight (CyTOF), we studied the simultaneous expression of 34 monocyte markers on total monocytes, and derived a combination of five markers (CD33, CD86, CD64, HLA-DR, and CCR2), that could objectively delineate the three subsets. Using these markers, we could also distinguish CD16+ monocytes from CD16- monocytes after in vitro stimulation. Finally, we found that the observed expansion of intermediate (CD14high) monocytes in dengue virus-infected patients was due to up-regulated CD16 expression on classical monocytes. With our new combination of markers, we can now identify monocyte subsets without CD16 and CD14, and accurately re-examine monocyte subset perturbations in diseases.en_US
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofFrontiers in Immunologyen_US
dc.rights© 2019 Ong, Teng, Newell, Chen, Chen, Loy, Yeo, Fink and Wong. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.subjectScience::Biological sciencesen_US
dc.titleA novel, five-marker alternative to CD16-CD14 gating to identify the three human monocyte subsetsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Biological Sciencesen_US
dc.contributor.schoolLee Kong Chian School of Medicine (LKCMedicine)en_US
dc.contributor.organizationSingapore Immunology Network, A∗STARen_US
dc.identifier.doi10.3389/fimmu.2019.01761-
dc.description.versionPublished versionen_US
dc.identifier.pmid31402918-
dc.identifier.scopus2-s2.0-85071282448-
dc.identifier.volume10en_US
dc.subject.keywordsMonocyte Subsetsen_US
dc.subject.keywordsCD16en_US
item.grantfulltextopen-
item.fulltextWith Fulltext-
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