Varaico: Literature-Extracted Genetic Variants

Gene:MMACHC
Variant:p.R132*
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MMACHC

NM_015506.3:p.R132*

Associated Papers

Whole exome sequencing in pediatric hyperammonemia: significant diagnostic yield and identification of three novel variants.

Hajati R et al.

Bmc Medical Genomics, 2025

Clinical and genetic characteristics of late-onset cobalamin C deficiency: A multicenter study in northern China.

Zhang H et al.

Intractable & Rare Diseases Research, 2025

Recessive genomic and phenotypic variation in consanguineous families with cerebral palsy.

Bisarad P et al.

Medrxiv : the Preprint Server for Health Sciences, 2025

41282771 (PubMed )
Supplement: media-1.xlsx › Supplementary_Table_3

First pathogenic non-coding variant in MMACHC: a functional deletion in the 5'-UTR associated with cobalamin C deficiency.

Zhang Y et al.

Molecular Biology Reports, 2025

Accelerating the diagnosis of Chinese cblC type MMA patients by multiplex PCR sequencing method.

Zheng P et al.

Pediatric Research, 2025

Analysis of hydroxocobalamin dosage in patients with CblC deficiency.

Ding S et al.

Orphanet Journal of Rare Diseases, 2025

Variable phenotypes and outcomes associated with the MMACHC c.1A>G variant in Chinese patients with combined methylmalonic acidemia and homocystinuria cblC type.

Hao L et al.

Molecular Genetics and Metabolism, 2025

Multiple molecular diagnoses identified through genome sequencing in individuals with suspected rare disease.

Malhotra A et al.

Hgg Advances, 2025

40195116 (PubMed )
Supplement: mmc1.xlsx › Multiple_molecular_diagnoses

Mutation spectrum and genotype-phenotype correlation of pediatric patients with methylmalonic acidemia.

Lu F et al.

Pediatric Research, 2025

Missense mutations in MMACHC protein from cblC disease affect its conformational stability and vitamin B12-binding activity: The example of R161Q mutation.

Longo L et al.

Molecular Genetics and Metabolism, 2025

Qatar's National Expanded Metabolic Newborn Screening Program: Incidence and Outcomes.

Jamaleddin T et al.

International Journal of Neonatal Screening, 2025

A case report of combined methylmalonic acidemia and homocysteinemia presented with cerebral sinus thrombosis and fluctuating cognitive impairment.

Wang J et al.

Medicine, 2025

A study of Iraqi patients with homocysteine remethylation disorders in a tertiary pediatric centre.

Al-Tai MR et al.

Molecular Genetics and Metabolism Reports, 2025

Spectrum of genetic mutations in methylmalonic aciduria among Iranian patients.

Fathi M et al.

Scientific Reports, 2025

Long-term follow-up of Chinese patients with methylmalonic acidemia of the cblC and mut subtypes.

Hao L et al.

Pediatric Research, 2025

Identification of intragenic variants in pediatric patients with intellectual disability in Peru.

Abarca-Barriga HH et al.

Bmc Medical Genomics, 2025

Correlation between toxic organic acid fluctuations and neurodevelopment in patients with methylmalonic acidemia.

Ling IC et al.

Orphanet Journal of Rare Diseases, 2025

Improved biochemical and neurodevelopmental profiles with high-dose hydroxocobalamin therapy in cobalamin C defect.

Olivieri G et al.

Journal of Inherited Metabolic Disease, 2025

Characteristics of clinical manifestations and molecular genetics of inherited hyperhomocysteinemia in children and adolescents: a single center experience from China.

Qu R et al.

Frontiers in Neurology, 2025

Exploring a novel model for newborn genetic screening in Ningxia, northern China: A retrospective observational study.

Mao X et al.

Medicine, 2024

39969324 (PubMed )
Supplement: medi-103-e41064-s001.xlsx › S2

Clinical spectrum and genetic variation of six patients with methylmalonic aciduria (MMA); a report from Iran.

Beyzaei Z et al.

Bmc Pediatrics, 2024

[Analysis of the regional distribution differences of common variations of the MMACHC gene in cblC methylmalonic acidemia patients].

Deng YX et al.

Zhonghua Er Ke Za Zhi = Chinese Journal of Pediatrics, 2024

Clinical genome sequencing in patients with suspected rare genetic disease in Peru.

Bazalar-Montoya J et al.

Npj Genomic Medicine, 2024

39468051 (PubMed )
Supplement: 41525_2024_434_MOESM2_ESM.xlsx › Report_Outcomes_and_Variants

Evaluation of the clinical, biochemical, and molecular spectrum of Cobalamin C (CblC) defect in 33 patients from Pakistan.

Ahmed S et al.

Scandinavian Journal of Clinical and Laboratory Investigation, 2024

Variable phenotypes and outcomes associated with the MMACHC c.482G > A mutation: follow-up in a large CblC disease cohort.

Wu SN et al.

World Journal of Pediatrics : Wjp, 2024

38070096 (PubMed )
Supplement: 12519_2023_770_MOESM2_ESM.pdf

Cobalamin C Deficiency: An Uncommon Cause of Hemolytic Uremic Syndrome.

Singh K et al.

Indian Pediatrics, 2024

[Clinical features and follow-up study on 55 patients with adolescence-onset methylmalonic acidemia].

Ma X et al.

Zhonghua Er Ke Za Zhi = Chinese Journal of Pediatrics, 2024

Focused Exome Sequencing Gives a High Diagnostic Yield in the Indian Subcontinent.

Duraisamy AJ et al.

The Journal of Molecular Diagnostics : Jmd, 2024

Clinical and genetic analysis of methylmalonic aciduria in 60 patients from Southern China: a single center retrospective study.

Su L et al.

Orphanet Journal of Rare Diseases, 2024

The MMACHC variant c.158T>C: Mild clinical and biochemical phenotypes and marked hydroxocobalamin response in cblC patients.

Demaret T et al.

Molecular Genetics and Metabolism, 2024

Burden of Mendelian disorders in a large Middle Eastern biobank.

Aamer W et al.

Genome Medicine, 2024

38584274 (PubMed )
Supplement: 13073_2024_1307_MOESM1_ESM.xlsx › Table_S3

Etiologic Spectrum of Pediatric-Onset Leukodystrophies and Genetic Leukoencephalopathies: The Five-Year Experience of a Tertiary Care Center in Southern India.

Nair LS et al.

Pediatric Neurology, 2024

Clinical application of next generation sequencing for Mendelian disease diagnosis in the Iranian population.

Abolhassani A et al.

Npj Genomic Medicine, 2024

38374194 (PubMed )
Supplement: 41525_2024_393_MOESM3_ESM.xlsx › Supplementary_Table_2

Clinical and electroencephalogram characteristics of methylmalonic acidemia with MMACHC and MUT gene mutations.

Yuan Y et al.

Bmc Pediatrics, 2024

Whole exome sequencing approach for identification of the molecular etiology in pediatric patients with hematuria.

Wu J et al.

Clinica Chimica Acta; International Journal of Clinical Chemistry, 2024

Profiling genetic variants in cardiovascular disease genes among a Heterogeneous cohort of Mendelian conditions patients and electronic health records.

Akawi N et al.

Frontiers in Molecular Biosciences, 2024

39411402 (PubMed )
Supplement: Table1.XLSX › Supplemental_Table_S12

Interaction of Glutathione with MMACHC Arginine-Rich Pocket Variants Associated with Cobalamin C Disease: Insights from Molecular Modeling.

Antony P et al.

Biomedicines, 2023

Would, early, versus late hydroxocobalamin dose intensification treatment, prevent cognitive decline, macular degeneration and ocular disease, in 5 patients with early-onset cblC deficiency?

Scalais E et al.

Molecular Genetics and Metabolism, 2023

Haplotype-based noninvasive prenatal diagnosis of methylmalonic acidemia and the discovery of a recurrent pathogenic haplotype associated with c.609G>A.

Fu X et al.

Prenatal Diagnosis, 2023

Characteristics, differential diagnosis, individualized treatment, and prevention of hyperhomocysteinemia in newborns.

Li YY et al.

European Journal of Medical Genetics, 2023

Late-onset cblC defect: clinical, biochemical and molecular analysis.

Ding S et al.

Orphanet Journal of Rare Diseases, 2023

Childhood Neurological Disorders With Hyperhomocystinemia: A Case-Based Review.

Yoganathan S et al.

Pediatric Neurology, 2023

A regionally adapted HRM-based technique to screen MMACHC carriers for methylmalonic acidemia with homocystinuria in Shandong Province, China.

Yang H et al.

Intractable & Rare Diseases Research, 2023

A teenager with combined methylmalonic aciduria and homocystinuria (CblC type) presenting with neurological symptoms and congenital heart diseases: a case report.

Zhou L et al.

Neurocase, 2022

Clinical, phenotypic and genetic landscape of case reports with genetically proven inherited disorders of vitamin B12 metabolism: A meta-analysis.

Wiedemann A et al.

Cell Reports. Medicine, 2022

35764087 (PubMed )
Supplement: mmc1.pdf

Late-onset cobalamin C disease: rare but treatable.

Aliyar A et al.

Practical Neurology, 2022

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Regarding the variants extracted from papers and shown text snippets from research papers, the following holds: "Some rights reserved. This work permits non-commercial use, distribution and reproduction in any medium, provided the original author and source are credited."