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Receptor ligands to delineate the galaninergic system
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för neurokemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för neurokemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för neurokemi. Tartu University, Estonia.ORCID-id: 0000-0001-6107-0844
2010 (engelsk)Inngår i: FENS Abstracts, Federation of European Neuroscience Societies , 2010, Vol. 5, s. 104.19-Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The galanin family currently consists of four members, namely galanin, galanin-message-associated peptide (GMAP), galanin-like peptide (GALP) and alarin. The galanin peptide family and its three receptors have with compelling evidence been implicated in a variety of human disorders. The co-localization with other neuromodulators and the distinct up-regulation during and after pathological disturbances has drawn attention to this neuropeptide family. Here we present data on receptorbinding and preliminary data in functional response for several novel galanin receptor selective peptides, including a comparison with the published M1145 peptide. The design strategy with a N-terminal extension of galanin(2-13) in M1145 peptide, prevailed new insights in the assembly of novel subtype specific ligands for the galanin receptor family. Modification of the M1145 sequence led to the design of M1162, with an improved GalR2 selectivity. Furthermore, with a new design strategy, the peptide M1154 was produced, which retains high affinity binding to GalR1 and GalR2 although it has no detectable binding to GalR3. In conclusion, we have succeeded in the production of a new generation of subtype selective galanin ligands that raise the possibility to delineate the galanin system and determine if the galaninergic system is a putative drug target.

sted, utgiver, år, opplag, sider
Federation of European Neuroscience Societies , 2010. Vol. 5, s. 104.19-
HSV kategori
Forskningsprogram
neurokemi med molekylär neurobiologi
Identifikatorer
URN: urn:nbn:se:su:diva-45996OAI: oai:DiVA.org:su-45996DiVA, id: diva2:370825
Konferanse
7th FENS Forum of European Neuroscience, Amsterdam, July 3-7 2010
Tilgjengelig fra: 2011-01-14 Laget: 2010-11-17 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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