ArticleHuman molecular genetics2020
Distinct effects on mRNA export factor GANP underlie neurological disease phenotypes and alter gene expression depending on intron content.
Article in Human molecular genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- TREX2 component PCID2 scaffolds alternative SAC3-based subcomplexes with distinct RNA processing and export function.bioRxiv : the preprint server for biology · 2026Article
- Motor Neuronopathy With Widespread Fasciculations in MCM3AP-Related Disorder: Clinical and Muscle MRI Insights.Journal of the peripheral nervous system : JPNS · 2026Article
- O-GlcNAc transferase congenital disorder of glycosylation (OGT-CDG): Potential mechanistic targets revealed by evaluating the OGT interactome.The Journal of biological chemistry · 2024Review
- Genetic aspects of ataxias in a cohort of Turkish patients.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024Article
- Identification of biallelic mutations inFrontiers in genetics · 2024Article
- The prevalence of inherited metabolic disorders in Estonian population over 30 years: A significant increase during study period.JIMD reports · 2022Article
- Emerging Therapies and Novel Targets for TDP-43 Proteinopathy in ALS/FTD.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2022Review
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Authors and funding
28 authors at 17 institutions in 6 countries.
Funding
Abstract
Defects in the mRNA export scaffold protein GANP, encoded by the MCM3AP gene, cause autosomal recessive early-onset peripheral neuropathy with or without intellectual disability. We extend here the phenotypic range associated with MCM3AP variants, by describing a severely hypotonic child and a sibling pair with a progressive encephalopathic syndrome. In addition, our analysis of skin fibroblasts from affected individuals from seven unrelated families indicates that disease variants result in depletion of GANP except when they alter critical residues in the Sac3 mRNA binding domain. GANP depletion was associated with more severe phenotypes compared with the Sac3 variants. Patient fibroblasts showed transcriptome alterations that suggested intron content-dependent regulation of gene expression. For example, all differentially expressed intronless genes were downregulated, including ATXN7L3B, which couples mRNA export to transcription activation by association with the TREX-2 and SAGA complexes. Our results provide insight into the molecular basis behind genotype-phenotype correlations in MCM3AP-associated disease and suggest mechanisms by which GANP defects might alter RNA metabolism.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.