Introduction
Autoimmune diseases
Autoantibodies - Introduction
Autoantibodies - Determination
 
Autoantibodies
Rheumatoid Factor
Antinuclear Antibodies (ANA)
Specific Antibodies
Anti-neutrophil Cytoplasmic Antibodies
(ANCA)
Anti-phospholipid Antibodies
Anti-mitochondrial Antibodies (AMA)
Anti-endothelial Cell Antibodies (AECA)
Anti CCP antibodies
Antibodies against DNases
 
Quality Assurance
 
Reference ranges
 
Algorithm
ANA and incidence of diseases
Proposed stepwise diagnosis scheme
Positive Immunoflourescence -
Nucleoplasmic
Positive Immunoflourescence - Nucleolar
Positive Immunoflourescence -
Cytoplasmic
Type of autoimmune diseases
Conditions associated with antinuclear
antibodies (ANA)
 
Slide show
 
References
 
Collaborators
Antinuclear Antibodies (ANA) - Interferences


Preanalytical and analytical influences on test

Increased

Silicone implants

Smoking

Biological

Decreased values:

 

Increased values:

  • Ethosuximide
  • Phenytoin
  • Trimethadione
  • Isoniasid
  • Hydralasine
  • procainamide
  • methyldopa
  • oral contraceptives
  • oxyphenisatin
  • Thiazides

Analytical

Decreased values:

 

Increased values:

  • oral contraceptives

 

Reference values
dependent on method

 

Negative at 1:10 or 1:20 dilution, depending on the laboratory