Precursor B-cell development in bone marrow of Good syndrome patients.

Clin Immunol

Dept. of Immunology, Erasmus MC, University Medical Center Rotterdam, the Netherlands; Dept. of Pediatrics, Laboratory for Immunology, Leiden University Medical Center, Leiden, the Netherlands. Electronic address:

Published: March 2019

Good syndrome is an immunodeficiency presenting with thymoma, hypogammaglobulinemia and almost absent B cells. To investigate the origin of the B-cell lymphopenia in these patients, we studied B cell differentiation in the bone marrow of Good syndrome patients. We found very low numbers of precursor B cells in bone marrow of Good syndrome patients and a differentiation arrest after the pro-B-cell stage; this is different from other agammaglobulinemia patients with a defect in pre B-cell receptor signaling.

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http://dx.doi.org/10.1016/j.clim.2018.11.009DOI Listing

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