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MTHFR

methylenetetrahydrofolate reductase

HCNC Approved Symbol
MTHFR (HGNC:7436)
Genomic Coordinates
1:11,785,723 - 11,805,964 (1p36.22)
Synonyms
Disease Associations
This gene is associated with the following 5 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
{Neural tube defects, susceptibility to}
601634AR
{Schizophrenia, susceptibility to}
181500AD
{Thromboembolism, susceptibility to}
188050AD
{Vascular disease, susceptibility to}
--
Homocystinuria due to MTHFR deficiency
236250AR

Diagnosed Cases

8Patients

In total, 8 patients were diagnosed with a variant in the MTHFR gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Hyperhomocystinemia
 5 (62.5%)
Seizures
 4 (50.0%)
Absent speech
 2 (25.0%)
Cognitive decline
 2 (25.0%)
Elevated csf protein
 2 (25.0%)