{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T18:11:57Z","timestamp":1791223917988,"version":"4.1.0"},"reference-count":40,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Neural Dev"],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>The sequestration of Muscleblind splicing regulators results in myotonic dystrophy. Previous work on Muscleblind has largely focused on its roles in muscle development and maintenance due to the skeletal and cardiac muscle degeneration phenotype observed in individuals with the disorder. However, a number of reported nervous system defects suggest that Muscleblind proteins function in other tissues as well.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>We have identified a mutation in the <jats:italic>Caenorhabditis elegans<\/jats:italic> homolog of Muscleblind, <jats:italic>mbl-1<\/jats:italic>, that is required for proper formation of neuromuscular junction (NMJ) synapses. <jats:italic>mbl-1<\/jats:italic> mutants exhibit selective loss of the most distal NMJ synapses in a <jats:italic>C. elegans<\/jats:italic> motorneuron, DA9, visualized using the vesicle-associated protein RAB-3, as well as the active zone proteins SYD-2\/liprin-\u03b1 and UNC-10\/Rim. The proximal NMJs appear to have normal pre- and postsynaptic specializations. Surprisingly, expressing a <jats:italic>mbl-1<\/jats:italic> transgene in the presynaptic neuron is sufficient to rescue the synaptic defect, while muscle expression has no effect. Consistent with this result, <jats:italic>mbl-1<\/jats:italic> is also expressed in neurons.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Based on these results, we conclude that in addition to its functions in muscle, the Muscleblind splice regulators also function in neurons to regulate synapse formation.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1749-8104-7-7","type":"journal-article","created":{"date-parts":[[2012,2,7]],"date-time":"2012-02-07T17:15:07Z","timestamp":1328634907000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Caenorhabditis elegans Muscleblind homolog mbl-1 functions in neurons to regulate synapse formation"],"prefix":"10.1186","volume":"7","author":[{"given":"Kerri A","family":"Spilker","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"George J","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Madina S","family":"Tugizova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kang","family":"Shen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2012,2,7]]},"reference":[{"key":"193_CR1","doi-asserted-by":"publisher","first-page":"799","DOI":"10.1016\/0092-8674(92)90154-5","volume":"68","author":"JD Brook","year":"1992","unstructured":"Brook JD, McCurrach ME, Harley HG, Buckler AJ, Church D, Aburatani H, Hunter K, Stanton VP, Thirion JP, Hudson T: Molecular basis of myotonic dystrophy: expansion of a trinucleotide (CTG) repeat at the 3' end of a transcript encoding a protein kinase family member. 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