Avidity of anti-β2-glycoprotein I antibodies in patients with antiphospholipid syndrome

Author:

Čučnik S1,Kveder T1,Artenjak A1,Gallova Z Ulcova2,Swadzba J3,Musial J3,Iwaniec T3,Stojanovich L4,Alessandri C5,Valesini G5,Avčin T6,Tervaert JW Cohen7,Rozman B1,Božič B18

Affiliation:

1. University Medical Centre, Department of Rheumatology, Ljubljana, Slovenia

2. Charles University, Medical School, Department of Gynecology and Obstetrics, Plzen- Lochotin, Czech Republic

3. Jagiellonian University Medical College, Department of Medicine, Krakow, Poland

4. Bezhanijska Kosa, University Medical Centre, Belgrade University, Serbia

5. Sapienza University of Rome, Dipartimento di Medicina Interna e Specialità Mediche, Rome, Italy

6. University Medical Centre, University Children’s Hospital Ljubljana, Department of Allergology, Rheumatology and Clinical Immunology, Ljubljana, Slovenia

7. Maastricht University Medical Center, Division of Clinical and Experimental Immunology, Department of Internal Medicine, Maastricht, the Netherlands

8. University in Ljubljana, Faculty of Pharmacy, Chair for Clinical Biochemistry, Ljubljana, Slovenia

Abstract

Antibodies against β2-glycoprotein I (anti-β2GPI) are one of the hallmarks of the antiphospholipid syndrome (APS). However, they are heterogenic regarding their epitope specificity, pathogenic mechanisms and their avidity. In the current study we present some outstanding issues about avidity of anti-β2GPI antibodies. Our results confirmed that high avidity anti-β2GPI are associated with thrombosis and APS, while in low avidity anti-β2GPI group non-APS (predominantly systemic lupus erythematosus) patients prevailed.

Publisher

SAGE Publications

Subject

Rheumatology

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