• Mutation; HGNC; HGNC:7436; MTHFR; Simple; p.Arg157Gln (c.470G>A); ClinVar=VCV000003519; Zygosity=Heterozygous (PubMed=7920641; PubMed=8940272; PubMed=10679944).
  
• Mutation; HGNC; HGNC:7436; MTHFR; Simple; p.Arg567Ter (c.1699C>T); ClinVar=VCV000660609; Zygosity=Heterozygous (PubMed=7920641; PubMed=10679944).
  

PubMed=1627352; DOI=10.1016/0885-4505(92)90029-x
Rosenblatt D.S., Lue-Shing H., Arzoumanian A., Low-Nang L., Matiaszuk N.V.
Methylenetetrahydrofolate reductase (MR) deficiency: thermolability of residual MR activity, methionine synthase activity, and methylcobalamin levels in cultured fibroblasts.
Biochem. Med. Metab. Biol. 47:221-225(1992)

PubMed=7920641; DOI=10.1038/ng0694-195
Goyette P., Sumner J.S., Milos R., Duncan A.M.V., Rosenblatt D.S., Matthews R.G., Rozen R.
Human methylenetetrahydrofolate reductase: isolation of cDNA, mapping and mutation identification.
Nat. Genet. 7:195-200(1994)

PubMed=7726158; PMCID=PMC1801446
Goyette P., Frosst P., Rosenblatt D.S., Rozen R.
Seven novel mutations in the methylenetetrahydrofolate reductase gene and genotype/phenotype correlations in severe methylenetetrahydrofolate reductase deficiency.
Am. J. Hum. Genet. 56:1052-1059(1995)

PubMed=8940272; PMCID=PMC1914869
Goyette P., Christensen B., Rosenblatt D.S., Rozen R.
Severe and mild mutations in cis for the methylenetetrahydrofolate reductase (MTHFR) gene, and description of five novel mutations in MTHFR.
Am. J. Hum. Genet. 59:1268-1275(1996)

PubMed=10679944; DOI=10.1002/(SICI)1098-1004(200003)15:3<280::AID-HUMU9>3.0.CO;2-I
Sibani S., Christensen B., O'Ferrall E., Saadi I., Hiou-Tim F., Rosenblatt D.S., Rozen R.
Characterization of six novel mutations in the methylenetetrahydrofolate reductase (MTHFR) gene in patients with homocystinuria.
Hum. Mutat. 15:280-287(2000)

Patent=US6528259
Rozen R., Goyette P.
Methods for detecting human methylenetetrahydrofolate reductase allelic variants.
Patent number US6528259, 04-Mar-2003