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Molecular mechanisms of intercellular communication in the hormonal and neural systems
Author(s) -
Nakanishi Shigetada
Publication year - 2006
Publication title -
iubmb life
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.132
H-Index - 113
eISSN - 1521-6551
pISSN - 1521-6543
DOI - 10.1080/15216540600746385
Subject(s) - biology , class c gpcr , g protein coupled receptor , receptor , neuroscience , neurotransmission , metabotropic glutamate receptor , metabotropic receptor , metabotropic glutamate receptor 6 , microbiology and biotechnology , glutamate receptor , molecular neuroscience , ionotropic effect , biochemistry
This paper reviews our studies that have addressed the molecular mechanisms underlying the biosynthesis and reception of extracellular signaling molecules and integrative mechanisms of extracellular‐intracellular signaling transmission in biological systems. We introduced recombinant DNA technology into the neuroendocrine system and established the concept that a single peptide precursor encompasses multiple biologically active peptides and brings about coordinate functions in various biological systems. We then developed a novel functional cloning of membrane receptors and ion channels by combining an oocyte expression system with electrophysiology. We molecularly elucidated not only various peptide receptors, including the first demonstration of the molecular entity of a G protein‐coupled peptide receptor (GPCR), substance K receptor, and also diverse members of both G protein‐coupled metabotropic type and NMDA type of neurotransmitter glutamate receptors. We demonstrated many novel synaptic mechanisms involving distinct types of glutamate receptors in brain function and dysfunction. These include the mechanisms underlying segregation of light‐dark signals in visual transmission, discrimination and memory formation in olfactory transmission, and motor co‐ordination in the cerebellum, basal ganglia and the retinal network.iubmb Life, 58: 349‐357, 2006

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