Varaico: Literature-Extracted Genetic Variants

Gene:MMACHC
Variant:p.R161Q
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MMACHC

NM_015506.3:p.R161Q

Associated Papers

Clinical exome sequencing efficacy and phenotypic expansions involving non-isolated congenital anomalies of kidney and urinary tract (CAKUT+).

Rivera-Munoz EA et al.

European Journal of Human Genetics : Ejhg, 2025

40913078 (PubMed )
Supplement: NIHMS2114636-supplement-Supplemental_Table_S1.xlsx › Table_S1

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

Germline pathogenic variation impacts somatic alterations and patient outcomes in pediatric central nervous system tumors.

Corbett RJ et al.

Nature Communications, 2025

41271695 (PubMed )
Supplement: 41467_2025_65190_MOESM6_ESM.xlsx › snv-indel-plp-summary

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

Targeted genetic screening for identifying carrier status and early-onset disease risks in Chinese newborns.

Hao C et al.

Communications Medicine, 2025

Adolescent-onset hyperhomocysteinaemia: cases report and literature review.

Li Y et al.

Neurocase, 2025

The utility of CNV analysis in identifying the molecular etiology of pediatric epilepsy patients.

Zhang S et al.

Pediatric Research, 2025

40993358 (PubMed )
Supplement: 41390_2025_4427_MOESM2_ESM.xlsx › Sheet1

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

Germline pathogenic variation impacts somatic alterations and patient outcomes in pediatric CNS tumors.

Corbett RJ et al.

Medrxiv : the Preprint Server for Health Sciences, 2025

39974082 (PubMed )
Supplement: media-5.xlsx › TableS4A-snv-indel-plp-summary

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

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

Modulation of conformational features and oligomerization of MMACHC by cobalamin variants: impact of the R161Q mutation in cblC disease.

Longo L et al.

European Biophysics Journal : Ebj, 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

Clinical diagnosis, treatment, and genetic analysis of adolescent onset holocarboxylase synthetase deficiency and cobalamin C deficiency: A case report and literature review.

Ren Y et al.

Metabolism Open, 2025

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

Hao L et al.

Pediatric Research, 2025

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

Ling IC et al.

Orphanet Journal of Rare Diseases, 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

Case Report: Cerebellar microhemorrhages: an underrecognized feature of MMA-HC revealed by high-field 7.0 T MRI.

Ran Y et al.

Frontiers in Radiology, 2025

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

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

[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

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

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

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

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

Singh K et al.

Indian Pediatrics, 2024

Concurrent combined methylmalonic acidemia and homocystinuria with down syndrome in a Chinese preschool Child: An in-depth case report and literature review.

Dong R et al.

Heliyon, 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

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

Newborn Screening for Inborn Errors of Metabolism by Next-Generation Sequencing Combined with Tandem Mass Spectrometry.

Tang C et al.

International Journal of Neonatal Screening, 2024

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

Yang Z et al.

Ebiomedicine, 2024

38364701 (PubMed )
Supplement: mmc6.xlsx › Sheet1

Adult-onset combined methylmalonic acidemia and hyperhomocysteinemia, cblC type with aortic dissection and acute kidney injury: a case report.

Hao Q et al.

Bmc Nephrology, 2024

41-Year-Old Male with Sub-Acute Encephalopathy, Seizures, and End Stage Renal Disease: A Unifying Diagnosis and Response to Therapy.

Wais T et al.

The Neurohospitalist, 2024

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

Dirim AB et al.

Nephron, 2024

Using metabolic abnormalities of carriers in the neonatal period to evaluate the pathogenicity of variants of uncertain significance in methylmalonic acidemia.

Xiao D et al.

Frontiers in Genetics, 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

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

Novel mutations and molecular pathways identified in patients with brain iron accumulation disorders.

Si L et al.

Neurogenetics, 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

Genomic Sequencing as a First-Tier Screening Test and Outcomes of Newborn Screening.

Chen T et al.

Jama Network Open, 2023

37656460 (PubMed )
Supplement: jamanetwopen-e2331162-s001.pdf
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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."