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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Role of metabotropic glutamate receptors and their associated proteins in physiology and pathophysiology
 Kumpošt, Jiří ; Blahoš, Jaroslav (advisor) ; Dráber, Petr (referee) ; Viklický, Vladimír (referee)
of the thesis Glutamate is a main excitatory neurotransmitter in the brain of mammals, which activates both ionotropic and metabotropic glutamate receptors. Ionotropic receptors are responsible for fast synaptic transmission leading to membrane depolarization and Ca2+ influx into the cell. On the other hand mGlu receptors play an important role in regulation of the transmission via heterotrimeric G-proteins and activation of various signaling pathways. Postsynaptically localized group I mGlu receptors (mGluR1, 5) together with ionotropic NMDA and AMPA receptors share common large receptor signaling complexes, or signalosome facilitating glutamate signal transductions. Individual mGluR1 splice variants are differently associated with signalosome including scaffold proteins like PSD-95 which organize postsynaptic density (PSD). Heterodimerization of different mGluR1 splice variants is a focal point of my thesis together with investigation of recently discovered protein IL1RAPL1 (interleukin-1 receptor accessory protein-like 1) and its role in organization of postsynaptic signalosome. Using biochemical, immunocytochemical and functional assays we showed heterodimers of mGluR1a/1b were expressed on the plasma membrane and that heterodimers are fully functional in the recombinant system. Next we showed...
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