Journal Article Research Support, Non-U.S. Gov't 130068-27-8 Activation B-Cell Activation Factor Receptor B7-H1 Antigen CD274 protein, human CTLA-4 Antigen Case Reports Co-stimulation Common variable immunodeficiency Cytokine EC 2.7.10.2 ICOS protein, human IL10 protein, human IL13 protein, human IL17A protein, human IL9 protein, human Inducible T-Cell Co-Stimulator Protein Interleukin-10 Interleukin-13 Interleukin-17 Interleukin-9 Memory B cells PDCD1 protein, human Programmed Cell Death 1 Receptor Receptors, Antigen, T-Cell T helper cells TNFRSF13C protein, human ZAP-70 Protein-Tyrosine Kinase