{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T23:32:50Z","timestamp":1788305570162,"version":"build-2803163510"},"reference-count":33,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2006,12,20]],"date-time":"2006-12-20T00:00:00Z","timestamp":1166572800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2007,1,5]]},"abstract":"<jats:title>Summary<\/jats:title>\n               <jats:p>Selective deficiency of immunoglobulin A (IgAD) and common variable immunodeficiency (CVID) are genetically closely related diseases, both of unknown pathogenesis. A plethora of abnormalities in lymphocyte subpopulations and expression of activation markers were repeatedly documented in CVID patients, while almost no data are available about lymphocyte subpopulations in IgAD patients. We determined basic lymphocyte subpopulations and those subpopulations that were reported to be abnormal in CVID patients (CD25, human leucocyte antigen (HLA)-DR\u2003CD45RA, CD45RO, CD27, CD28 and CD29 on both CD4+\u2003and CD8+ cells, CD57 and CD38 on CD8+ cells, CD21, CD27, IgM, IgD on B lymphocytes) in 85 patients with IgAD, 47 patients with CVID and in 65 healthy controls. Statistical analysis was performed by the Mann\u2013Whitney U-test; significant P-values were determined by means of Bonferoni's correction. Our results showed an increase in the relative number of CD8+ cells and a decrease in the absolute number of CD4+ cells compared to healthy people, but similar abnormalities in CVID patients were much more expressed. IgAD patients had significantly decreased expression of HLA-DR and increased expression of CD25 on CD4+ lymphocytes, also CD29 expression was decreased on CD8+ cells, while other activation\/differentiation markers on T cells (including the expression of CD45RA and CD45RO antigens) were not changed. There were no statistically significant abnormalities in B lymphocyte developmental stages in IgAD patients compared to healthy controls. Our observation showed that the majority of T and B lymphocyte subpopulation abnormalities described previously in CVID are not present in IgAD patients.<\/jats:p>","DOI":"10.1111\/j.1365-2249.2006.03274.x","type":"journal-article","created":{"date-parts":[[2010,8,6]],"date-time":"2010-08-06T13:38:56Z","timestamp":1281101936000},"page":"249-254","source":"Crossref","is-referenced-by-count":30,"title":["T and B lymphocyte subpopulations and activation\/differentiation markers in patients with selective IgA deficiency"],"prefix":"10.1093","volume":"147","author":[{"given":"J","family":"Litzman","sequence":"first","affiliation":[{"name":"Department of Clinical Immunology and Allergology, St Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M","family":"Vlkov\u00e1","sequence":"additional","affiliation":[{"name":"Department of Clinical Immunology and Allergology, St Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Z","family":"Pikulov\u00e1","sequence":"additional","affiliation":[{"name":"Department of Clinical Immunology and Allergology, St Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D","family":"\u0160tikarovsk\u00e1","sequence":"additional","affiliation":[{"name":"Department of Clinical Immunology and Allergology, St Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J","family":"Lokaj","sequence":"additional","affiliation":[{"name":"Department of Clinical Immunology and Allergology, St Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech 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