Cbln1 and its family proteins in synapse formation and maintenance

研究成果: Review article

44 引用 (Scopus)

抜粋

Cbln1 is a newly identified synaptic organizer belonging to the C1q family. Unlike other synaptic organizers, a deficiency in Cbln1 is sufficient to cause a severe reduction in the number of synapses between cerebellar Purkinje cells and parallel fibers (PFs). Furthermore, Cbln1 can rapidly induce synaptogenesis and is necessary for maintaining normal synapses in the mature cerebellum in vivo. Cbln1 was recently identified as the missing ligand for the orphan glutamate receptor δ2 (GluD2), which is expressed in Purkinje cells. Furthermore, Cbln1 released from PFs binds to neurexin (NRX) expressed on the presynaptic PFs and GluD2 at the postsynaptic site. The NRX/Cbln1/GluD2 tripartite complex is resistant to low extracellular Ca2+ levels and serves as a unique bidirectional synaptic organizer.

元の言語English
ページ(範囲)215-220
ページ数6
ジャーナルCurrent Opinion in Neurobiology
21
発行部数2
DOI
出版物ステータスPublished - 2011 4 1

ASJC Scopus subject areas

  • Neuroscience(all)

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