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C1q deficiency is a rare genetic disorder which is associated with recurrent infections and a high prevalence of lupus erythematosus-like symptoms. It is characterized by a loss of activation of the complement classical pathway.
Alternative names
Classification
- Defects of the classical complement cascade proteins
- C1q deficiency
Inheritance
Autosomal recessive
OMIM
*120575 Complement component 1, q subcomponent, gamma polypeptide; C1QG
Cross references
Phenotypically related immunodeficiencies
Incidence
Incidence is not known.