Pediatria. Journal named after G.N. Speransky | VOL. 101
КЛИНИКО-ДИАГНОСТИЧЕСКОЕ ЗНАЧЕНИЕ АНТИНУКЛЕАРНЫХ АНТИТЕЛ В ПРАКТИКЕ ПЕДИАТРА (ЧАСТЬ I)
Publication Date Jun 17, 2022
In recent decades, there has been an increase in the incidence of various autoimmune, including rheumatic diseases, while their debut has been shifted to an earlier age. The clinical picture of rheumatic diseases is distinguished by severe polymorphism; therefore, laboratory diagnostic methods are important for diagnostic search. One of the most widely used tests in the rheumatological practice is the detection and identification of antinuclear antibodies (ANA). ANA are a large group of autoantibodies (auto-Abs) directed against various cell structures, including not only the nucleus but also the nuclear membrane, mitotic apparatus, cytoplasm components and cell organelles, as well as cell membranes. Different methods are used for testing, but the method of ANA detection through indirect immunofluorescence antinuclear antibody test (IF-ANA) is recommended as a “gold standard” with human laryngeal carcinoma HEp-2 cells being recognized as a standard substrate. IF-ANA with HEp-2 has the highest diagnostic sensitivity compared with other methods, it includes the phase of serial dilutions of positive serums and a visual analysis of the type of glow, the list of which currently has 30 patterns. ANA glow types are caused by various auto-Abs that respond with antigens located in the nucleus and cytoplasm of the HEp-2 cells line. Assessment of the type of glow in conjunction with clinical and laboratory data allows planning of further examination with confirming tests to determine the specificity of ANA, some of which, in particular...
Antinuclear Antibodies Human Laryngeal Carcinoma HEp-2 Cells Absence Of Other Types High Frequency In Patients Antinuclear Antibodies Detection Laboratory Diagnostic Methods Rheumatic Diseases Types Of Autoantibodies Rheumatological Practice Standard Substrate
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No potential conflict of interest was reported by the authors. The conception and design of the study, acquisition of data, analysis and interpretatio...Read More
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