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    MMAA metabolism of cobalamin associated A [ Homo sapiens (human) ]

    Gene ID: 166785, updated on 14-Nov-2024

    GeneRIFs: Gene References Into Functions

    GeneRIFPubMed TitleDate
    The two siblings were associated with the MMAA c.365T>C variant.

    Mild clinical features of isolated methylmalonic acidemia associated with a novel variant in the MMAA gene in two Chinese siblings.
    Lin Y, Lin C, Lin W, Zheng Z, Han M, Fu Q., Free PMC Article

    04/20/2019
    localization of hMMAA and its colocalization with hMCM in human

    Human MMAA induces the release of inactive cofactor and restores methylmalonyl-CoA mutase activity through their complex formation.
    Takahashi-Iñiguez T, González-Noriega A, Michalak C, Flores ME.

    06/16/2018
    A novel deletion in the MMAA gene in two Iranian siblings with vitamin B12-responsive methylmalonic academia was identified. The deletion in exon 4 of the MMAA gene (c.674 delA) is a pathogenic allele via a nucleotide frame shift resulting in a stop codon and termination of protein synthesis 38 nucleotides (12 amino acids) downstream of the deletion.

    Identification of a novel deletion in the MMAA gene in two Iranian siblings with vitamin B12-responsive methylmalonic acidemia.
    Keyfi F, Abbaszadegan MR, Rolfs A, Orolicki S, Moghaddassian M, Varasteh A., Free PMC Article

    07/15/2017
    Ten novel mutational MMAA variants have been identified in patients with methylmalonic aciduria.

    High resolution melting analysis of the MMAA gene in patients with cblA and in those with undiagnosed methylmalonic aciduria.
    Dempsey-Nunez L, Illson ML, Kent J, Huang Q, Brebner A, Watkins D, Gilfix BM, Wittwer CT, Rosenblatt DS.

    03/30/2013
    MMAA acts as a chaperone of human MCM protein.

    Protection and reactivation of human methylmalonyl-CoA mutase by MMAA protein.
    Takahashi-Íñiguez T, García-Arellano H, Trujillo-Roldán MA, Flores ME.

    02/26/2011
    Structures of the human GTPase MMAA and vitamin B12-dependent methylmalonyl-CoA mutase and insight into their complex formation.

    Structures of the human GTPase MMAA and vitamin B12-dependent methylmalonyl-CoA mutase and insight into their complex formation.
    Froese DS, Kochan G, Muniz JR, Wu X, Gileadi C, Ugochukwu E, Krysztofinska E, Gravel RA, Oppermann U, Yue WW., Free PMC Article

    01/1/2011
    Spondylocostal dysostosis associated with MMAA is presented in a young boy.

    Spondylocostal dysostosis associated with methylmalonic aciduria.
    Honjo RS, Casella EB, Vieira MA, Bertola DR, Albano LM, Oliveira LA, Nomachi S, Hanai J, Benoist JF, Ellard S, Young E, Kim CA.

    01/21/2010
    Methylmalonic acidaemia: examination of genotype and biochemical data in 32 patients belonging to mut, cblA or cblB complementation group.

    Methylmalonic acidaemia: examination of genotype and biochemical data in 32 patients belonging to mut, cblA or cblB complementation group.
    Merinero B, Pérez B, Pérez-Cerdá C, Rincón A, Desviat LR, Martínez MA, Sala PR, García MJ, Aldamiz-Echevarría L, Campos J, Cornejo V, Del Toro M, Mahfoud A, Martínez-Pardo M, Parini R, Pedrón C, Peña-Quintana L, Pérez M, Pourfarzam M, Ugarte M.

    01/21/2010
    Long-term outcome in methylmalonic acidurias is influenced by the underlying genetic defects in MCM/MMAA/MMAB.

    Long-term outcome in methylmalonic acidurias is influenced by the underlying defect (mut0, mut-, cblA, cblB).
    Hörster F, Baumgartner MR, Viardot C, Suormala T, Burgard P, Fowler B, Hoffmann GF, Garbade SF, Kölker S, Baumgartner ER.

    01/21/2010
    DNA from 37 cblA patients was analyzed for deleterious mutations in the MMAA gene by DNA sequencing of exons and flanking sequences

    Mutations in the MMAA gene in patients with the cblA disorder of vitamin B12 metabolism.
    Lerner-Ellis JP, Dobson CM, Wai T, Watkins D, Tirone JC, Leclerc D, Doré C, Lepage P, Gravel RA, Rosenblatt DS.

    01/21/2010
    A candidate gene for mutations (deletion, insertion, stop-codon, missense)in cblA patient cells was identified as MMAA on chromosome 4q31.1-2. It encodes a predicted protein of 418 AA.

    Identification of the gene responsible for the cblA complementation group of vitamin B12-responsive methylmalonic acidemia based on analysis of prokaryotic gene arrangements.
    Dobson CM, Wai T, Leclerc D, Wilson A, Wu X, Doré C, Hudson T, Rosenblatt DS, Gravel RA., Free PMC Article

    01/21/2010
    The 503delC mutation is prevalent in Japanese patients with methylmalonic acidemia.

    Mutation analysis of the MMAA and MMAB genes in Japanese patients with vitamin B(12)-responsive methylmalonic acidemia: identification of a prevalent MMAA mutation.
    Yang X, Sakamoto O, Matsubara Y, Kure S, Suzuki Y, Aoki Y, Suzuki Y, Sakura N, Takayanagi M, Iinuma K, Ohura T.

    01/21/2010
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