Varaico: Literature-Extracted Genetic Variants

Gene:MMACHC
Variant:p.R91insFs
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MMACHC

NM_015506.3:p.R91insFs

Associated Papers

Enhancing Molecular Diagnostic Accuracy in Genetic Eye Disorders Through a Personalized Re-Evaluation Strategy.

Martins PM et al.

Investigative Ophthalmology & Visual Science, 2026

41615371 (PubMed )
Supplement: iovs-67-1-62_s003.xlsx › Supplementary_table_2

Improving newborn screening accuracy through genome sequencing, targeted metabolomics, and machine learning.

Xie Y et al.

Bmc Medical Genomics, 2025

41257776 (PubMed )
Supplement: 12920_2025_2261_MOESM2_ESM.xlsx › Table_S1__NBS_119set

The Landscape of Genetic Variation and Disease Risk in Romania: A Single-Center Study of Autosomal Recessive Carrier Frequencies and Molecular Variants.

Gug M et al.

International Journal of Molecular Sciences, 2025

41303398 (PubMed )
Supplement: ijms-26-10912-s001.zip › Table_S1.pdf

A Genomic Sequencing Approach to Newborn Mass Screening and Its Opportunities.

Carli D et al.

Jama Network Open, 2025

41105405 (PubMed )
Supplement: jamanetwopen-e2538198-s001.xlsx › eTable_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

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

Frequency enrichment of coding variants in a French-Canadian founder population and its implication for inflammatory bowel diseases.

Bhérer C et al.

Medrxiv : the Preprint Server for Health Sciences, 2025

40791678 (PubMed )
Supplement: media-2.xlsx › Table_S12_ClinVar_PLP_variants

Rare variants modulating phenotype in NF1 carriers.

Pasquinelli E et al.

Scientific Reports, 2025

40653509 (PubMed )
Supplement: 41598_2025_9751_MOESM1_ESM.pdf

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

Lu F et al.

Pediatric Research, 2025

Integrating Prenatal Exome Sequencing and Ultrasonographic Fetal Phenotyping for Assessment of Congenital Malformations: High Molecular Diagnostic Yield and Novel Phenotypic Expansions in a Consanguineous Cohort.

El-Dessouky SH et al.

Clinical Genetics, 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

Retinal Changes in Early-Onset cblC Methylmalonic Acidemia Identified Through Expanded Newborn Screening: Highlights from a Case Study and Literature Review.

Michieletto P et al.

Genes, 2025

Diagnostic impact of whole exome sequencing in neurometabolic disorders in Syrian children: a single center experience.

Al Khudari R et al.

Orphanet Journal of Rare Diseases, 2025

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

Hao L et al.

Pediatric Research, 2025

Retinal dimples in a case of adult-onset methylmalonic acidemia with homocystinuria: A new finding.

Sotomayor-Toribio M et al.

Journal Francais D'ophtalmologie, 2025

Disorder of intracellular cobalamin metabolism: Importance of rapid diagnostic illustrated by a case report of early-onset methylmalonic aciduria and homocystinuria, cobalamin C type.

Mondesert E et al.

Heliyon, 2025

Clinical and genetic landscape of IRD in Portugal: pooled data from the nationwide IRD-PT registry.

Marta A et al.

Npj Genomic Medicine, 2025

39939324 (PubMed )
Supplement: 41525_2025_475_MOESM1_ESM.xlsx › Families

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

Olivieri G et al.

Journal of Inherited Metabolic Disease, 2025

Experiences from dual genome next-generation sequencing panel testing for mitochondrial disorders: a comprehensive molecular diagnosis.

Gorman E et al.

Frontiers in Genetics, 2025

40110048 (PubMed )
Supplement: Table2.xlsx › Supplementary_Table_2

Case Report: Preserved umbilical cords underscore family histories of inborn errors of immunity.

Nishimura M et al.

Frontiers in Immunology, 2025

Pathogenic variation underlying rare diseases in an Arab population: Implications for screening programs.

Jain R et al.

Genetics in Medicine Open, 2025

40893834 (PubMed )
Supplement: mmc1.xlsx › Supplementary_Table_1

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

A case series of Cypriot patients with CblC defect: Clinical, biochemical and molecular characteristics.

Georgiou T et al.

Molecular Genetics and Metabolism Reports, 2024

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

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

Portuguese Neonatal Screening Program: A Cohort Study of 18 Years Using MS/MS.

Gonçalves MM et al.

International Journal of Neonatal Screening, 2024

Future of Dutch NGS-Based Newborn Screening: Exploring the Technical Possibilities and Assessment of a Variant Classification Strategy.

Kiewiet G et al.

International Journal of Neonatal Screening, 2024

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

Yuan Y et al.

Bmc Pediatrics, 2024

Vitamin B12 Deficiency and the Nervous System: Beyond Metabolic Decompensation-Comparing Biological Models and Gaining New Insights into Molecular and Cellular Mechanisms.

Mathew AR et al.

International Journal of Molecular Sciences, 2024

Multiomic analysis in fibroblasts of patients with inborn errors of cobalamin metabolism reveals concordance with clinical and metabolic variability.

Wiedemann A et al.

Ebiomedicine, 2024

38168585 (PubMed )
Supplement: mmc1.pdf

Targeted exome sequencing strategy (NeoEXOME) for Chinese newborns using a pilot study with 3423 neonates.

Cao Z et al.

Molecular Genetics & Genomic Medicine, 2024

38284445 (PubMed )
Supplement: MGG3-12-e2357-s005.xlsx › Sheet1

Concurrent Cobalamin C and Plasminogen Deficiencies in a Patient with Chronic Thrombotic Microangiopathy.

Dirim AB et al.

Nephron, 2024

Analysis of the causes of neonatal death and genetic variations in congenital anomalies: a multi-center study.

Yang X et al.

Frontiers in Pediatrics, 2024

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

Genetic screening in thrombotic microangiopathy: a plea for methylmalonic aciduria with cobalamine C deficiency detection.

Rafat C et al.

Clinical Kidney Journal, 2023

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

Ding S et al.

Orphanet Journal of Rare Diseases, 2023

Whole-exome sequencing analyses in a Saudi Ischemic Stroke Cohort reveal association signals, and shows polygenic risk scores are related to Modified Rankin Scale Risk.

Alkhamis FA et al.

Functional & Integrative Genomics, 2023

36973604 (PubMed )
Supplement: 10142_2023_1039_MOESM1_ESM.xlsx › all_variants

Exome-First Strategy in Adult Patients With CKD: A Cohort Study.

Doreille A et al.

Kidney International Reports, 2023

36938085 (PubMed )
Supplement: mmc3.xlsx › Sheet1

Methylmalonic acidemia: Neurodevelopment and neuroimaging.

Chen T et al.

Frontiers in Neuroscience, 2023

Late-onset cobalamin C deficiency type in adult with cognitive and behavioral disturbances and significant cortical atrophy and cerebellar damage in the MRI: a case report.

Sun M et al.

Frontiers in Neurology, 2023

Late-onset cblC deficiency around puberty: a retrospective study of the clinical characteristics, diagnosis, and treatment.

Chen Z et al.

Orphanet Journal of Rare Diseases, 2022

Epileptic syndrome with myoclonus as manifestation of adult-onset CblC deficiency.

Di Giacomo R et al.

Journal of Neurology, 2022

Inherited Retinal Dystrophy in Southeastern United States: Characterization of South Carolina Patients and Comparative Literature Review.

Griffith J et al.

Genes, 2022

36011402 (PubMed )
Supplement: genes-13-01490-s001.zip › Table_S1.xlsx › Supplemental_Table_S1

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

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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."