55 research outputs found
BCMA Is Essential for the Survival of Long-lived Bone Marrow Plasma Cells
Long-lived humoral immunity is manifested by the ability of bone marrow plasma cells (PCs) to survive for extended periods of time. Recent studies have underscored the importance of BLyS and APRIL as factors that can support the survival of B lineage lymphocytes. We show that BLyS can sustain PC survival in vitro, and this survival can be further enhanced by interleukin 6. Selective up-regulation of Mcl-1 in PCs by BLyS suggests that this α-apoptotic gene product may play an important role in PC survival. Blockade of BLyS, via transmembrane activator and cyclophilin ligand interactor–immunoglobulin treatment, inhibited PC survival in vitro and in vivo. Heightened expression of B cell maturation antigen (BCMA), and lowered expression of transmembrane activator and cyclophilin ligand interactor and BAFF receptor in PCs relative to resting B cells suggests a vital role of BCMA in PC survival. Affirmation of the importance of BCMA in PC survival was provided by studies in BCMA−/− mice in which the survival of long-lived bone marrow PCs was impaired compared with wild-type controls. These findings offer new insights into the molecular basis for the long-term survival of PCs
TLR9-mediated inflammation drives a Ccr2-independent peripheral monocytosis through enhanced extramedullary monocytopoiesis
Perspektiven der Supramolekularen Chemie – von der molekularen Erkennung zur molekularen Informationsverarbeitung und Selbstorganisation
O2-Erzeugung durch Oxidation von Wasser mit zwei- und dreikernigen Rutheniumkomplexen als Homogen- und Heterogenkatalysatoren
O2-Generation by Oxidation of Water with Di- and Trinuclear Ruthenium Complexes as Homogeneous and Heterogeneous Catalysts
Lipopolysaccharide-Induced IL-1β Production by Human Uterine Macrophages Up-Regulates Uterine Epithelial Cell Expression of Human β-Defensin 2
Estradiol Attenuates Lipopolysaccharide-Induced CXC Chemokine Ligand 8 Production by Human Peripheral Blood Monocytes
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