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  1. Article

    Open Access

    Expression and processing of mature human frataxin after gene therapy in mice

    Friedreich’s ataxia is a degenerative and progressive multisystem disorder caused by mutations in the highly conserved frataxin (FXN) gene that results in FXN protein deficiency and mitochondrial dysfunction. ...

    Teerapat Rojsajjakul, Nithya Selvan, Bishnu De, Jonathan B. Rosenberg in Scientific Reports (2024)

  2. No Access

    Article

    Frataxin analysis using triple quadrupole mass spectrometry: application to a large heterogeneous clinical cohort

    Friedreich ataxia is a progressive multisystem disorder caused by deficiency of the protein frataxin; a small mitochondrial protein involved in iron sulfur cluster synthesis. Two types of frataxin exist: FXN-M...

    David R. Lynch, Teerapat Rojsajjakul, S. H. Subramony in Journal of Neurology (2024)

  3. Article

    Open Access

    Quantification of human mature frataxin protein expression in nonhuman primate hearts after gene therapy

    Deficiency in human mature frataxin (hFXN-M) protein is responsible for the devastating neurodegenerative and cardiodegenerative disease of Friedreich’s ataxia (FRDA). It results primarily through epigenetic s...

    Teerapat Rojsajjakul, Juliette J. Hordeaux, Gourav R. Choudhury in Communications Biology (2023)

  4. Article

    Open Access

    DNA methylation in Friedreich ataxia silences expression of frataxin isoform E

    Epigenetic silencing in Friedreich ataxia (FRDA), induced by an expanded GAA triplet-repeat in intron 1 of the FXN gene, results in deficiency of the mitochondrial protein, frataxin. A lesser known extramitochond...

    Layne N. Rodden, Kaitlyn M. Gilliam, Christina Lam in Scientific Reports (2022)