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severe combined immunodeficiency disease (SCID) due to adenosine deaminase deficiency
Epidemiology:
- 25% of severe combined immunodeficiency disease cases linked to adenosine deaminase deficiency
Genetics:
- associated with deficiency in adenosine deaminase (ADA)
Clinical manifestations:
- severe combined immunodeficiency
- infections
- death
Laboratory:
- adenosine deaminase in erythrocytes
- adenosine deaminase in leukocytes
- adenosine deaminase in fibroblasts
- adenosine deaminase in trophoblasts
- adenosine deaminase in chorionic villus
- adenosine deaminase in dried blood spot
Management:
1) pegademase bovine (Adagen) given by weekly IM injection
2) gene therapy (investigational)
- protocol (no HLA identical sibling)
1] nonmyeloablative conditioning with busulfan
2] infusions of autologous CD34+ bone marrow cells that had been transduced with a retroviral vector containing the ADA gene
3] no enzyme-replacement therapy given following infusion of cells
Database Correlations
OMIM 102700
References
- Aiuti A et al
Gene therapy for immunodeficiency due to adenosine deaminase
deficiency
N Engl J Med 2009 Jan 29; 360:447.
PMID: 19179314