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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...

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Related Experiment Video

Updated: Jun 6, 2026

Anti-Nuclear Antibody Screening Using HEp-2 Cells
13:01

Anti-Nuclear Antibody Screening Using HEp-2 Cells

Published on: June 23, 2014

Autoantibody profile in systemic sclerosis.

Fatemeh Behmanesh1, Reza Amin, Mohammad Khajedaluee

  • 1Department of Pediatrics, Ghaem Hospital, Mashhad University of Medical Science, Mashhad, Iran. Behmanesh_f@yahoo.com

Acta Medica Iranica
|December 9, 2010
PubMed
Summary
This summary is machine-generated.

This study identified autoantibody profiles in systemic sclerosis patients, finding significant correlations between specific antibodies using Innolia and SLR techniques. These methods show promise for diagnosing systemic sclerosis.

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Area of Science:

  • Rheumatology
  • Immunology
  • Connective Tissue Diseases

Background:

  • Systemic sclerosis is a connective tissue disorder marked by skin thickening and internal organ fibrosis.
  • Autoantibodies against nuclear and cytoplasmic antigens are characteristic of systemic sclerosis.

Purpose of the Study:

  • To identify the autoantibody profile in scleroderma sera.
  • To determine correlations and discrepancies in autoantibody profiles.
  • To evaluate the efficacy of Innolia and SLR techniques for autoantibody detection.

Main Methods:

  • Analyzed 118 systemic sclerosis sera from Canada and Ukraine.
  • Detected antinuclear antibodies (ANA) via indirect immunofluorescence.
  • Identified specific autoantibodies using Innolia strip assay and western blotting against extractable nuclear antigens (ENA).

Main Results:

  • 111 out of 118 patients tested positive for ANA.
  • Innolia assay detected positive anti-ENA in 84 patients; western blotting in 81.
  • Significant correlations were observed between anti-SC1-70, anti-RNP, and JO-1 antibodies detected by Innolia and SLR techniques.

Conclusions:

  • Both Innolia and SLR techniques are effective for detecting autoantibodies in systemic sclerosis.
  • The study highlights the utility of specific autoantibody profiles in diagnosing systemic sclerosis.
  • Further validation of these techniques can aid in clinical diagnosis and management.