Article ; Online: Majority of human circulating IgG plasmablasts stop blasting in a cell-free pro-survival culture.
2024 Volume 14, Issue 1, Page(s) 3616
Abstract: Following infection or vaccination, early-minted antibody secreting cells (ASC) or plasmablasts appear in circulation transiently, and a small fraction migrates to the spleen or bone marrow (BM) to mature into long-lived plasma cells (LLPC). While LLPC, ... ...
Abstract | Following infection or vaccination, early-minted antibody secreting cells (ASC) or plasmablasts appear in circulation transiently, and a small fraction migrates to the spleen or bone marrow (BM) to mature into long-lived plasma cells (LLPC). While LLPC, by definition, are quiescent or non-dividing, the majority of blood ASC are thought to be "blasting" or proliferative. In this study, we find > 95% nascent blood ASC in culture express Ki-67 but only 6-12% incorporate BrdU after 4 h or 24 h labeling. In contrast, < 5% BM LLPC in culture are Ki-67 |
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MeSH term(s) | Humans ; Plasma Cells/metabolism ; Ki-67 Antigen ; Bone Marrow/metabolism ; Immunoglobulin G ; Antigens, CD19/metabolism |
Chemical Substances | Ki-67 Antigen ; Immunoglobulin G ; Antigens, CD19 |
Language | English |
Publishing date | 2024-02-13 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 2615211-3 |
ISSN | 2045-2322 ; 2045-2322 |
ISSN (online) | 2045-2322 |
ISSN | 2045-2322 |
DOI | 10.1038/s41598-024-53977-2 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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