Mondo Description Methylmalonic acidemia with homocystinuria is an inborn error of vitamin B12 (cobalamin) metabolism characterized by megaloblastic anemia, lethargy, failure to thrive, developmental delay, intellectual deficit and seizures. There are four complementation classes of cobalamin defects (cblC, cblD, cblF and cblJ) that are responsible for methylmalonic acidemia - homocystinuria (methylmalonic acidemia - homocystinuria cblC, cblD cblF and cblJ).
Mondo Term and Equivalent IDs
MONDO:0016826: methylmalonic acidemia with homocystinuria
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Counts of Target Development Levels for diseases known to be associated with this disease. If the disease has a valid DOID, targets known to be associated with all child diseases are aggregated. Click "Explore Associated Targets" to view more facets and details for the target list.
This disease has been annotated by GARD as a rare disease.
Description from Mondo Disease Ontology.
DataSources which have contributed target associations to this disease, and the identifiers by which the disease is referenced.
DC:0000274
GARD:0003579
MESH:C537359
Orphanet:26
MONDO:0016826
High level summary of knowledge for a disease, including descriptions and datasource references.