{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T22:25:23Z","timestamp":1793485523971,"version":"4.5.0"},"reference-count":23,"publisher":"Society for Neuroscience","issue":"11","license":[{"start":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T00:00:00Z","timestamp":1221177600000},"content-version":"vor","delay-in-days":184,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Neurosci."],"published-print":{"date-parts":[[2008,3,12]]},"abstract":"<jats:p>The mitochondrial metalloprotease AFG3L2 assembles with the homologous protein paraplegin to form a supracomplex in charge of the essential protein quality control within mitochondria. Mutations of paraplegin cause a specific axonal degeneration of the upper motoneuron and, therefore, hereditary spastic paraplegia. Here we present two<jats:italic>Afg3l2<\/jats:italic>murine models: a newly developed null and a spontaneous mutant that we found carrier of a missense mutation. Contrasting with the mild and late onset axonal degeneration of paraplegin-deficient mouse,<jats:italic>Afg3l2<\/jats:italic>models display a marked impairment of axonal development with delayed myelination and poor axonal radial growth leading to lethality at P16. The increased severity of the<jats:italic>Afg3l2<\/jats:italic>mutants is explained by two main molecular features that differentiate AFG3L2 from paraplegin: its higher neuronal expression and its versatile ability to support both hetero-oligomerization and homo-oligomerization. Our data assign to AFG3L2 a crucial role by linking mitochondrial metabolism and axonal development. Moreover, we propose AFG3L2 as an excellent candidate for motoneuron and cerebellar diseases with early onset unknown etiology.<\/jats:p>","DOI":"10.1523\/jneurosci.4677-07.2008","type":"journal-article","created":{"date-parts":[[2008,3,12]],"date-time":"2008-03-12T20:52:32Z","timestamp":1205355152000},"page":"2827-2836","source":"Crossref","is-referenced-by-count":101,"title":["The Mitochondrial Protease AFG3L2 Is Essential for Axonal Development"],"prefix":"10.1523","volume":"28","author":[{"given":"Francesca","family":"Maltecca","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Asadollah","family":"Aghaie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David 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