NDLI: Tetraspanin 6: A novel regulator of hippocampal synaptic transmission and long term plasticity.

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Isabel H. Salas Zsuzsanna Callaerts-Vegh Amaia M. Arranz Francesc X. Guix Rudi D'Hooge José A. Esteban Bart De Strooper Carlos G. Dotti
Abstract	Tetraspanins (Tspan) are transmembrane proteins with important scaffold and signalling functions. Deletions of Tetraspanin 6 (Tspan6) gene, a member of the tetraspanin family, have been reported in patients with Epilepsy Female-restricted with Mental Retardation (EFMR). Interestingly, mutations in Tspan7, highly homologous to Tspan6, are associated with X-linked intellectual disability, suggesting that these two proteins are important for cognition. Considering recent evidences showing that Tspan7 plays a key role in synapse development and AMPAR trafficking, we initiated the study of Tspan6 in synaptic function using a Tspan6 knock out mouse model. Here we report that hippocampal field recordings from Tspan6 knock out mice show an enhanced basal synaptic transmission and impaired long term potentiation (LTP). A normal paired-pulse facilitation response suggests that Tspan6 affects the properties of the postsynaptic rather than the presynaptic terminal. However, no changes in spine morphology or postsynaptic markers could be detected in Tspan6 KO mice compared with wild types. In addition, Tspan6 KO mice show normal locomotor behaviour and no defects in hippocampus-dependent memory tests.
e-ISSN	19326203
DOI	10.1371/journal.pone.0171968
Journal	PLoS ONE
Issue Number	2
Volume Number	12
Language	English
Publisher	Public Library of Science (PLoS)
Publisher Date	2017-01-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Medicine Science
Content Type	Text
Resource Type	Article

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