Varaico: Literature-Extracted Genetic Variants

Gene:MMACHC
Variant:p.W203*
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MMACHC

NM_015506.3:p.W203*

Associated Papers

Prime editing-installed suppressor tRNAs for disease-agnostic genome editing.

Pierce SE et al.

Nature, 2025

41261131 (PubMed )
Supplement: 41586_2025_9732_MOESM17_ESM.xlsx › Sequence_Context_Screen

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_MOESM1_ESM.docx

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

Zheng P et al.

Pediatric Research, 2025

Clinical application of expanded carrier screening based on next-generation sequencing in the Chinese population.

Lu J et al.

Archives of Gynecology and Obstetrics, 2025

Analysis of hydroxocobalamin dosage in patients with CblC deficiency.

Ding S et al.

Orphanet Journal of Rare Diseases, 2025

Diagnostic yield of expanded carrier screening of a multi-ethnic population in yunnan, China.

Wang H et al.

Scientific Reports, 2025

40604033 (PubMed )
Supplement: 41598_2025_8012_MOESM1_ESM.xlsx › S3

The genetic spectrum features of 2261 Chinese children with epilepsy and intellectual disability.

Pang N et al.

Bmc Medicine, 2025

40598568 (PubMed )
Supplement: 12916_2025_4220_MOESM1_ESM.xlsx › Table_S3

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

Wang J et al.

Medicine, 2025

Diagnostic Utility of Trio-Exome Sequencing for Children With Neurodevelopmental Disorders.

Lan X et al.

Jama Network Open, 2025

40131272 (PubMed )
Supplement: jamanetwopen-e251807-s002.xlsx › eTable1

Expanded newborn screening for inborn errors of metabolism and genetic variants in Xinjiang, China.

Zhang H et al.

Frontiers in Genetics, 2025

A case report of 'Two-Hit' digenic mutations in PAH: role of PADN in management.

Zhang ZQ et al.

Frontiers in Pharmacology, 2025

Retrospective analysis of diagnosis and treatment in 9 cases of childhood-onset methylmalonic acidemia in China.

Fan C et al.

Frontiers in Neurology, 2025

Establishment and validation of a phenotype-driven predictive model for the diagnostic efficacy of trio-based whole exome sequencing (trio-WES) in children with genetic neurodevelopmental disorders (g-NDDs).

Wu R et al.

Frontiers in Neurology, 2025

41170324 (PubMed )
Supplement: Data_Sheet_5.XLS › NDD-NPDs

Incidence and disease spectrum of inherited metabolic diseases screened by tandem mass spectrometry in Huai'an from 2018 to 2024.

Ou MM et al.

Frontiers in Pediatrics, 2025

Case Report: Dilated cardiomyopathy as the initial presentation in an adult with late-onset CblC defect.

Xu D et al.

Frontiers in Cardiovascular Medicine, 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 › S3

Genetic analysis of 280 children with unexplained developmental delay or intellectual disability using whole exome sequencing.

Xu J et al.

Bmc Pediatrics, 2024

Exome sequencing for assessing the risk of 453 monogenic disorders in offspring: A study of 832 Chinese couples.

Ding X et al.

Clinical and Translational Medicine, 2024

39456122 (PubMed )
Supplement: CTM2-14-e70074-s003.xlsx › Table_S3

Late-onset renal TMA and tubular injury in cobalamin C disease: a report of three cases and literature review.

Bao D et al.

Bmc Nephrology, 2024

Comprehensive analysis of NGS-based expanded carrier screening and follow-up in southern and southwestern China: results from 3024 Chinese individuals.

Huang Q et al.

Human Genomics, 2024

39380106 (PubMed )
Supplement: 40246_2024_680_MOESM1_ESM.xlsx › Supplementary_Table_3

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

[Carrier screening for 223 monogenic diseases in Chinese population: a multi-center study in 33 104 individuals].

Hou W et al.

Nan Fang Yi Ke Da Xue Xue Bao = Journal of Southern Medical University, 2024

Genetic Testing for Global Developmental Delay in Early Childhood.

Zhang J et al.

Jama Network Open, 2024

38837156 (PubMed )
Supplement: jamanetwopen-e2415084-s002.xlsx › eTable_2

Engineering of a high-fidelity Cas12a nuclease variant capable of allele-specific editing.

Wei J et al.

Plos Biology, 2024

38865309 (PubMed )
Supplement: pbio.3002680.s016.xlsx › ClinVar

Whole-exome sequencing as the first-tier test for patients in neonatal intensive care unit: a Chinese single-center study.

Zhang R et al.

Bmc Pediatrics, 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

Genomic characteristics and immune landscape of super multiple primary lung cancer.

Yang Z et al.

Ebiomedicine, 2024

38364701 (PubMed )
Supplement: mmc6.xlsx › Sheet1

Clinical and Molecular Genetic Analysis with Methylmalonic Acidemia Combined with Homocystinuria.

Gan X et al.

Clinical Laboratory, 2024

Screening of 1.17 million newborns for inborn errors of metabolism using tandem mass spectrometry in Shanghai, China: A 19-year report.

Hao L et al.

Molecular Genetics and Metabolism, 2024

Disease spectrum, prevalence, genetic characteristics of inborn errors of metabolism in 21,840 hospitalized infants in Chongqing, China, 2017-2022.

Wang D et al.

Frontiers in Genetics, 2024

Application of whole exome sequencing in carrier screening for high-risk families without probands.

Huang Q et al.

Frontiers in Genetics, 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

Spectrum analysis of inborn errors of metabolism for expanded newborn screening in Xinjiang, China.

Zhu J et al.

Peerj, 2024

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

[Analysis of clinical phenotypes and MMACHC gene variants in 65 children with Methylmalonic acidemia and homocysteinemia].

Chen C et al.

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics, 2023

The genetic and phenotypic spectra of adult genetic leukoencephalopathies in a cohort of 309 patients.

Wu C et al.

Brain : a Journal of Neurology, 2023

36380532 (PubMed )
Supplement: awac426_supplementary_data.pdf

Incidence and genetic variants of inborn errors of metabolism identified through newborn screening: A 7-year study in eastern coastal areas of China.

Men S et al.

Molecular Genetics & Genomic Medicine, 2023

Clinical application value of expanded carrier screening in the population of childbearing age.

Fang Y et al.

European Journal of Medical Research, 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

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

[Genetic variant analysis and prenatal diagnosis for Chinese pedigrees affected with cblC methylmalonic acidemia].

Li L et al.

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics, 2022

Identification of MMACHC and ZEB2 mutations causing coexistent cobalamin C disease and Mowat-Wilson syndrome in a 2-year-old girl.

Liu F et al.

Clinica Chimica Acta; International Journal of Clinical Chemistry, 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

Generation of induced pluripotent stem cells named SMBCi019-A from a methylmalonic acidemia patient carrying the MMACHC mutations.

Luan J et al.

Stem Cell Research, 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."