Laboratorial significance of autoantibodies of dense fine speckled pattern

Laboratorial significance of autoantibodies of dense fine speckled pattern

Purpose Indirect immunofluorescence (IIF) in Hep-2 cells is the standard screening test for antinuclear antibodies (ANA). Advances in this methodology have brought up a considerable increase in sensitivity and consequently a decrease in its specificity. This has resulted in an increasing number of positive tests in apparently healthy subjects. In particular, autoantibodies associated with the d...

Frequency of dense fine speckled pattern in immunofluorescence screening test.

OBJECTIVE The presence of antinuclear antibodies (ANA), directed against intracellular antigens, is a distinctive feature of systemic autoimmune rheumatic diseases (SARDs). The standard test for antinuclear antibody screening is the indirect immunofluorescence (IIF). Anti-dense fine speckled 70 (anti-DFS70) antibodies were initially identified as an ANA IIF pattern from a patient with interstit...

Anti-dense Fine Speckled 70 Autoantibodies in Japanese Children with Dermatomyositis, Localized Scleroderma, and Idiopathic Arthritis with Iridocyclitis.

The Clinical Significance of the Dense Fine Speckled Immunofluorescence Pattern on HEp-2 Cells for the Diagnosis of Systemic Autoimmune Diseases

Antinuclear antibodies (ANAs) are a serological hallmark in the diagnosis of systemic autoimmune rheumatic diseases (SARD). The indirect immunofluorescence (IIF) assay on HEp-2 cells is a commonly used test for the detection of ANA and has been recently recommended as the screening test of choice by a task force of the American College of Rheumatology. However, up to 20% of apparently healthy i...

etiology, significance, diagnosis and treatment of bruxiam

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