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Adenosine monophosphate (AMP) deaminase deficiency is a metabolic disorder for which two forms have been described. Lack of activity of the erythrocyte isoform of AMP deaminase has been described in subjects with low plasma uric acid levels without obvious clinical relevance and will not be described further. Myoadenylate deaminase deficiency is an inherited disorder of muscular energy metabolism with a lack of AMP deaminase activity in skeletal muscle. It is characterized by exercise-induced muscle pain, cramps and/or early fatigue.
Features include very common findings: Myalgia, Muscle spasm, Limb muscle weakness, and Exercise-induced myalgia and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 5 | Myalgia, Muscle spasm, Limb muscle weakness |
Arms and legs |
Phenotype severity distribution: 5 very common features.
Estimated prevalence: Unknown (Unknown prevalence).
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
7 publications have been identified in PubMed for adenosine monophosphate deaminase deficiency. Research spans Basic Science / Preclinical (57%), Review / Meta-Analysis (29%), and Other (14%).
Ogawa A (2025). [PMID: 40840445](https://pubmed.ncbi.nlm.nih.gov/40840445/). *Cell*. [Basic Science / Preclinical]
Kartibou J (2025). [PMID: 40332645](https://pubmed.ncbi.nlm.nih.gov/40332645/). *Sports Med*. [Review / Meta-Analysis]
Kaur G (2025). [PMID: 40505866](https://pubmed.ncbi.nlm.nih.gov/40505866/). *J Biol Chem*. [Basic Science / Preclinical]
Schäfer K (2025). [PMID: 40866043](https://pubmed.ncbi.nlm.nih.gov/40866043/). *JACC Basic Transl Sci*. [Other]
Sorrentino U (2025). [PMID: 40026236](https://pubmed.ncbi.nlm.nih.gov/40026236/). *Ann Neurol*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 3:08 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about adenosine monophosphate deaminase deficiency
1
Limb muscle weakness |
Brain and nerves | 1 | Exercise-induced muscle fatigue |
Andres-Hernando A (2024). [PMID: 38992061](https://pubmed.ncbi.nlm.nih.gov/38992061/). *Commun Biol*. [Basic Science / Preclinical]
Flores-Mendez M (2024). [PMID: 39075237](https://pubmed.ncbi.nlm.nih.gov/39075237/). *EMBO Rep*. [Basic Science / Preclinical]