ArticleDisease models & mechanisms2023
Laforin targets malin to glycogen in Lafora progressive myoclonus epilepsy.
Article in Disease models & mechanisms, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.
- Prognostic value of pathogenic variants in Lafora Disease: systematic review and meta-analysis of patient-level data.Orphanet journal of rare diseases · 2023Pooled it
- Glycogen and Glycosylation: Friends or Foes?Biomolecules · 2026Review
- Lafora disease gene therapy: EPM2A but not EPM2B overexpression results in Lafora body formation.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026Article
- Covalently linked phosphate monoesters on alpha-polyglucans reduce substrate affinity of branching enzymes.Carbohydrate polymers · 2025Article
- Clinicopathologic Dissociation: Robust Lafora Body Accumulation in Malin KO Mice Without Observable Changes in Home-Cage Behavior.The Journal of comparative neurology · 2024Article
- Implications of aCurrent issues in molecular biology · 2024Article
- Myofiber-type-dependent 'boulder' or 'multitudinous pebble' formations across distinct amylopectinoses.Acta neuropathologica · 2024Article
- Article
- Lafora progressive myoclonus epilepsy: Disease mechanism and therapeutic attempts.Journal of biosciences · 2024Review
- Supporting the translation of multiscale research in rare disease.Disease models & mechanisms · 2023Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
Abstract
Glycogen is the largest cytosolic macromolecule and is kept in solution through a regular system of short branches allowing hydration. This structure was thought to solely require balanced glycogen synthase and branching enzyme activities. Deposition of overlong branched glycogen in the fatal epilepsy Lafora disease (LD) indicated involvement of the LD gene products laforin and the E3 ubiquitin ligase malin in regulating glycogen structure. Laforin binds glycogen, and LD-causing mutations disrupt this binding, laforin-malin interactions and malin's ligase activity, all indicating a critical role for malin. Neither malin's endogenous function nor location had previously been studied due to lack of suitable antibodies. Here, we generated a mouse in which the native malin gene is tagged with the FLAG sequence. We show that the tagged gene expresses physiologically, malin localizes to glycogen, laforin and malin indeed interact, at glycogen, and malin's presence at glycogen depends on laforin. These results, and mice, open the way to understanding unknown mechanisms of glycogen synthesis critical to LD and potentially other much more common diseases due to incompletely understood defects in glycogen 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.