Anticardiolipine antibodies in skin and muscle eluates of patients with primary and secondary antiphospholipid syndrome
https://doi.org/10.14412/1995-4484-2004-797
Abstract
Objective. To detect anticardiolipin antibodies (АСА), anti-p2-GPl antibodies, C3 and C4 complement components in immune complexes including those containing АСА in skin and muscle eluates of pts with systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS). Material and methods . In 7 pts (6 female and I male, 2 with primary APS, 3 with SLE+APS and 2 with SLE) skin and muscle biopsies were taken. 6 from 7 pts had thrombotic complications. Eluates were obtained from frozen skin and skeletal muscle biopsies (size was 1,5x0,5 and 0,5x0,5 respectively). Because of small size of biopsies it was not possible to use traditional methods of tissue pounding such as sharp homogenization of tissues in homogenizers with pulverizing and subsequent process of freezing-unfreezing which lead to large protein loss and make impossible serological tissue analysis. Application of acid eluates method by T.E.W. Feltkamp and J,H. Boode of own modification allowed to minimize tissue protein loss and perform serological tissue analysis. Results. Serum of all 7 pts contained antiphospholipid antibodies - IgG-ACA in 3, combination of IgG- und IgM-ACA in 5. In 5 from 7 eluates lgG АСА exceeded 0,109 OO units were revealed. They contained СЗ, C4 and different protein products mostly immunoglobulines. Anti-(I2GP1 antiboddie;. were absent. Conclusion. For the first time presence of АСА in tissues of APS pts was showed which may be of particular interest in studying morphogenesis of local tissue disturbances with participation of immune complexes containing АСА.
About the Authors
Z S AlekberovaY Zabek
T M Reshetnvak
B Voycehovska
S G Radenska-Lopovok
V A Nassonova
References
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For citations:
Alekberova Z.S., Zabek Y., Reshetnvak T.M., Voycehovska B., Radenska-Lopovok S.G., Nassonova V.A. Anticardiolipine antibodies in skin and muscle eluates of patients with primary and secondary antiphospholipid syndrome. Rheumatology Science and Practice. 2004;42(4):24-28. (In Russ.) https://doi.org/10.14412/1995-4484-2004-797
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