raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79284

Methylmalonic acidemia with homocystinuria type cblF

Synonyms: CblF defect · Cobalamin F defect · Combined defect in adenosylcobalamin and methylcobalamin synthesis, type cblF · Lysosomal membrane cobalamin transporter deficiency · Methylmalonic aciduria with homocystinuria, type cblF

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

<i>cblF</i> type methylmalonic acidemia with homocystinuria is a form of methylmalonic acidemia with homocystinuria, an inborn error of vitamin B12 (cobalamin) metabolism characterized by megaloblastic anemia, lethargy, failure to thrive, developmental delay, intellectual deficit and seizures.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMethylmalonic acidemia with homocystinuria type cblFCblF defect · Cobalamin F defect · Combined defect in adenosylcobalamin and methylcobalamin synthesis, type cblF · Lysosomal membrane cobalamin transporter deficiency · Methylmalonic aciduria with homocystinuria, type cblF
frAcidémie méthylmalonique avec homocystinurie type cblFAcidurie méthylmalonique avec homocystinurie type cblF · Défaut de libération lysosomale de la vitamine B12 · Défaut de transport de la cobalamine à la membrane lysosomale · Déficit combiné de synthèse de l'adénosylcobalamine et de la méthylcobalamine type cblF · Déficit en cobalamine F
deMethylmalonazidämie mit Homocystinurie Typ cbl FCblF-Defekt · Cobalamin F-Defekt · Cobalamin-Transporter-Mangel der lysosomalen Membran · Kombinierter Defekt der Adenosylcobalamin und Methylcobalamin-Synthese Typ cblF · Methylmalonazidurie mit Homocystinurie Typ cblF
esAcidemia metilmalónica con homocistinuria tipo cblFAciduria metilmalónica con homocistinuria tipo cblF · Defecto CblF · Defecto combinado en la síntesis de adenosilcobalamina y metilcobalamina tipo cblF · Defecto de cobalamina F · Deficiencia del transportador de cobalamina de la membrana lisosomal
itAcidemia metilmalonica con omocistinuria, tipo cblFAciduria metilmalonica con omocistinuria, tipo cblF · Deficit del trasportatore della cobalamina nella membrana lisosomiale · Deficit di CblF · Deficit di cobalamina F · Difetto combinato della sintesi dell'adenosilcobalamina e della metilcobalamina, tipo cblF
nlMethylmalonacidurie met homocystinurie, type cblFCblF-defect · Cobalamine F-defect · Gecombineerd defect in adenosylcobalamine- en methylcobalaminesynthese, type cblF · Lysosomaal membraan-cobalaminetransporterdeficiëntie · Methylmalonacidemie met homocystinurie, type cblF · Methylmalonzuuracidemie met homocystinurie, type cblF · Methylmalonzuuracidurie met homocystinurie, type cblF
ptAcidúria metilmalónica com homocistinúria, tipo cblFDéfice de libertação lisossomal da vitamina B12
plKwasica metylomalonowa z homocystynurią typu cblFAcyduria metylomalonowa z homocystynurią, type cblF · Defekt CblF · Defekt kobalaminy F · Niedobór lizosomalnego transportera błonowego kobalaminy · Złożony defekt syntezy adenozylkobalaminy i metylkobalaminy, typu cblF
csMethylmalonová acidémie s homocystinurií, typ cbIFCbIF Defekt · Defekt kobalaminu F · Kombinovaný defekt syntézy adenosylkobalaminu a methylkobalaminu, typ cbIF · Methylmalonová acidurie s homocystinurií, typ cbIF · Deficit transportéru kobalaminu na lysozomální membráně
ukМетилмалонова ацидемія з гомоцистинурією, тип cblFДефект CblF · Дефект кобаламіну F · Поєднаний дефект синтезу аденозилкобаламіну та метилкобаламіну, тип cblF · Дефіцит лізосомального мембранного транспортера кобаламіну · Метилмалоновий ацидоз з гомоцистинурією, тип cblF
zh甲基丙二酸血症伴同型半胱氨酸尿症cbIF型腺苷钴胺素和甲基钴胺素合成联合缺陷,cbIF型
trHomosistinüri ile seyreden metilmalonik asidemi, tip cblFCblF defekti · Kobalamin F defekti · Lizozomal membran kobalamin taşıyıcı eksikliği · Homosistinüri ile seyreden metilmalonik asidüri, tip cblF · Adenosilkobalamin ve metilkobalamin sentezinde kombine defekt, cblF tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM277380Evalidated
ICD-10E72.1NTBTattributedvalidated
ICD-115C50.E0NTBTindexvalidated
MONDO0010183Evalidated
MeSHC564747Evalidated
UMLSC1848578Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
LMBRD1Disease-causing germline mutation(s) inAssessedHGNC:23038ENSG000001682166126256q13LMBR1 domain containing 120301503[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families15 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

28 annotations · validated 2020-11-09
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003145Decreased adenosylcobalamin
HP:0100502Decreased circulating vitamin B12 concentration
HP:0003223Decreased methylcobalamin
HP:0031544Elevated propionylcarnitine level
HP:0002160Hyperhomocystinemia
HP:0001889Megaloblastic anemia
HP:0012120Methylmalonic aciduria
Frequent (79-30%)
HP:0001999Abnormal facial shape
HP:0001627Abnormal heart morphology
HP:0001508Failure to thrive
HP:0011968Feeding difficulties
HP:0001510Growth delay
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0001511Intrauterine growth retardation
HP:0001254Lethargy
HP:0012758Neurodevelopmental delay
HP:0002719Recurrent infections
HP:0001250Seizure
Occasional (29-5%)
HP:0000175Cleft palate
HP:0001875Decreased total neutrophil count
HP:0000206Glossitis
HP:0030746Intraventricular hemorrhage
HP:0006571Reduced number of intrahepatic bile ducts
HP:0000988Skin rash
HP:0010280Stomatitis
HP:0000122Unilateral renal agenesis
Excluded (0%)
HP:0003658Hypomethioninemia

Run the differential on the 7 obligate / very frequent terms

Annotation source: 21910240[PMID]_20301503[PMID]_21910240[PMID]

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Sources for this card