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Antibodies can protect from Plasmodium falciparum (Pf) infection and clinical malaria disease. However, in the absence of constant reexposure, serum immunoglobulin (Ig) levels rapidly decline and full protection from clinical symptoms is lost, suggesting that B cell memory is functionally impaired. We show at the single cell level that natural Pf infection(More)
Abnormalities in expression levels of the IgG inhibitory Fc gamma receptor IIB (FcγRIIB) are associated with the development of immunoglobulin (Ig) G serum autoantibodies and systemic autoimmunity in mice and humans. We used Ig gene cloning from single isolated B cells to examine the checkpoints that regulate development of autoreactive germinal center (GC)(More)
Hypomorphic RAG mutations, leading to limited V(D)J rearrangements, cause Omenn syndrome (OS), a peculiar severe combined immunodeficiency associated with autoimmune-like manifestations. Whether B cells play a role in OS pathogenesis is so far unexplored. Here we report the detection of plasma cells in lymphoid organs of OS patients, in which circulating B(More)
The cDNA for polycythemia rubra vera 1 (PRV-1), a novel hematopoietic receptor, was recently cloned by virtue of its overexpression in patients with polycythemia vera. PRV-1 is a member of the uPAR/CD59/Ly6 family of cell surface receptors, which share a common cysteine-rich domain and are tethered to the cell surface via a glycosylphosphatidylinositol(More)
The sequencing of immunoglobulin (Ig) transcripts from single B cells yields essential information about Ig heavy:light chain pairing, which is lost in conventional bulk sequencing experiments. The previously limited throughput of single-cell approaches has recently been overcome by the introduction of multiple next-generation sequencing (NGS)-based(More)
Direct high-throughput amplification and sequencing of immunoglobulin genes from single human B cells Single cell Ig gene amplification and sequencing has been widely used for the molecular and functional assessment of human antibody repertoires and has led to the identification of recombinant mon-oclonal antibodies with therapeutic potential against(More)
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