Varaico: Literature-Extracted Genetic Variants

Gene:MMACHC
Variant:p.Q27R
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MMACHC

NM_015506.3:p.Q27R

Associated Papers

Reversible Pulmonary Hypertension in CblC Deficiency (MMACHC c.80 A>G): long-term outcomes of metabolic and PH-targeted therapy.

He R et al.

Pediatric Research, 2025

Generation of a transgenic pluripotent stem cell line expressing MMACHC protein harbouring the renal 2 thrombotic microangiopapathy-causing mutation (p.Q27R).

Zhou Z et al.

Stem Cell Research, 2025

Experimental insights into MMACHC variants using a novel minigene system.

Dong Y et al.

Molecular Genetics and Metabolism, 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

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

Hao C et al.

Communications Medicine, 2025

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

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

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

Cobalamin C deficiency: a rare but treatable genetic cause of pulmonary hypertension.

Grynblat J 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

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

Lu F et al.

Pediatric Research, 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

Long-term outcome of CblC deficiency complicated with pulmonary hypertension.

Ding S 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

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

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 › S2

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

Xu J 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

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

Novel FLNC variants in pediatric cardiomyopathy: an insight into disease mechanisms.

Dong R et al.

Human Genomics, 2024

39472949 (PubMed )
Supplement: 40246_2024_683_MOESM2_ESM.xls › Sheet1

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

Assessment the carrier frequency of monogenic diseases in populations requiring assisted reproductive technology.

Xu X et al.

Bmc Medical Genomics, 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

[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

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

Preimplantation genetic testing for monogenic disorders (PGT-M) offers an alternative strategy to prevent children from being born with hereditary neurological diseases or metabolic diseases dominated by nervous system phenotypes: a retrospective study.

Zou W et al.

Journal of Assisted Reproduction and Genetics, 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

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

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

[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

A multicenter prospective study of next-generation sequencing-based newborn screening for monogenic genetic diseases in China.

Yang RL et al.

World Journal of Pediatrics : Wjp, 2023

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

Genetic background and clinical characteristics of infantile hyperammonemia.

Li M et al.

Translational Pediatrics, 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

[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

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

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."