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SPP 1003:  Struktur und Funktion ATP-sensitiver und einwärtsgleichrichtender Kaliumkanäle

Subject Area Medicine
Term from 1996 to 2002
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 5466751
 
The priority programme "Structure and Function of ATP-sensitive and Inwardly Rectifying Potassium Channels" is a co-operative research programme including scientists in the fields of molecular biology, biochemistry, physiology, pharmacology and molecular medicine. Its aim is to advance investigation of structure and function of these channels in different tissues. The programme is focussed around the family of two pore-domain potassium channels (the a-subunits Kir1.x - Kir7.x) and the regulation of these channels by b-subunits (e.g. the sulfonylurea receptors SUR1, SUR2A and SUR2B) and other interacting proteins. Since the implementation of the programme about 20 members of the Kir channel family have been discovered (three of which were first cloned by members of the priority programme) and functionally characterized, and the tissue-specific interaction between Kir6.1 and Kir6.2 with the different SUR isoforms has been described. The ATP-sensitive and the inwardly rectifying potassium channels in different tissues show marked differences in function and regulation. One of the most important aims of the priority programme is the investigation of the tissue-specific expression and regulation of these channels in order to discover new targets for pharmacological modulation of these channels in different organs.
DFG Programme Priority Programmes
International Connection USA

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