Deficiency of adenosine deaminase 2 (DADA2): systemic features
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Deficiency of adenosine deaminase 2 (DADA2): systemic features. ADA2 is highly expressed in myeloid cells. Fully referenced neurology checklist.
Pathology
- ADA2 is highly expressed in myeloid cells
- ADA2 deficiency results in activated neutrophils and pro-inflammatory M1 macrophages
- These cells cause vasculitic damage to the endothelium
Genetics
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Epidemiological features
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Renal features
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Gastrointestinal features
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Dermatological features
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Cardiorespiratory features
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Other features
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Adult presentation
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Differential diagnosis
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Acronym
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References
- Caorsi R, Penco F, Schena F, Gattorno M. Monogenic polyarteritis: the lesson of ADA2 deficiency. Pediatr Rheumatol Online J 2016; 14:51.
- Meyts I, Aksentijevich I. Deficiency of adenosine deaminase 2 (DADA2): updates on the phenotype, genetics, pathogenesis, and treatment. J Clin Immunol 2018; 38:569-578.
- Moens L, Hershfield M, Arts K, Aksentijevich I, Meyts I. Human adenosine deaminase 2 deficiency: A multi-faceted inborn error of immunity. Immunol Rev 2019; 287:62-72.
- Pinto B, Deo P, Sharma S, Syal A, Sharma A. Expanding spectrum of DADA2: a review of phenotypes, genetics, pathogenesis and treatment. Clin Rheumatol 2021; 40:3883-3896.
- Kendall JL, Springer JM. The many faces of a monogenic autoinflammatory disease: adenosine deaminase 2 deficiency. Curr Rheumatol Rep 2020; 22:64.
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