CLONING, FUNCTIONAL EXPRESSION AND MESSENGER-RNA DISTRIBUTION OF AN INWARDLY RECTIFYING POTASSIUM CHANNEL PROTEIN

被引:35
作者
FALK, T
MEYERHOF, W
CORRETTE, BJ
SCHAFER, J
BAUER, CK
SCHWARZ, JR
RICHTER, D
机构
[1] UNIV HAMBURG,KRANKENHAUS EPPENDORF,INST ZELLBIOCHEM & KLIN NEUROBIOL,D-20246 HAMBURG,GERMANY
[2] UNIV HAMBURG,KRANKENHAUS EPPENDORF,INST PHYSIOL,D-20246 HAMBURG,GERMANY
[3] UNIV POTSDAM,DEUTSCH INST ERNAHRUNGSFORSCH,MOLEK GENET ABT,D-14558 POTSDAM,GERMANY
关键词
GH3/B6; CELLS; HYBRIDIZATION; IN SITU; OOCYTE EXPRESSION; HUMAN EMBRYONIC KIDNEY CELL EXPRESSION; ANTERIOR PITUITARY; PROLACTIN SECRETION;
D O I
10.1016/0014-5793(95)00527-G
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In GH(3)/B-6 cells at least two different inward K+ currents are observed that are regulated by thyrotropin-releasing hormone and somatostatin, respectively, Using a polymerase chain reaction based approach a cDNA was isolated and functionally expressed in human embryonic kidney cells that encodes an inward rectifier K+ channel, rIRK3, with a predicted molecular mass of 49.7 kDa, Corresponding transcripts of 2.6 kb have been detected in rat brain, pituitary and GH(3)/B-6 cells, In situ hybridization revealed that rIRK3 mRNA is distributed throughout the brain and occurs predominantly in the piriform cortex, indusium griseum, supraoptic nucleus, facial nucleus and cerebellar Purkinje cells.
引用
收藏
页码:127 / 131
页数:5
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