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  Molecular cloning and expression of cERG, the ether à go-go-related gene from canine myocardium

Zehelein, J., Zhang, W., Koenen, M., Graf, M., Heinemann, S. H., & Katus, H. A. (2001). Molecular cloning and expression of cERG, the ether à go-go-related gene from canine myocardium. Pflügers Archiv: European Journal of Physiology, 442(2), 188-191. doi:10.1007/s004240100524.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-2698-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-26A0-5
Genre: Journal Article
Alternative Title : Molecular cloning and expression of cERG, the ether à go-go-related gene from canine myocardium

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PflügArch_442_2001_188.pdf (Any fulltext), 61KB
 
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 Creators:
Zehelein, Joerg1, Author              
Zhang, Weiwen, Author
Koenen, Michael1, 2, Author              
Graf, Michael, Author
Heinemann, Stefan H., Author
Katus, Hugo A., Author
Affiliations:
1Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society, ou_1497704              
2Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society, ou_1497701              

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Free keywords: K+ channel; Long QT syndrome; Gene expression; cDNA sequence; Heart
 Abstract: Given the anatomical and physiological similarities to the human heart, canine in vivo heart models may facilitate the analysis of molecular mechanisms underlying cardiac repolarization abnormalities. The development of such models depends, however, on information about canine K+ channels responsible for the establishment of IK currents. In this context, we isolated and sequenced the reverse transcript of the canine ether à go-go-related gene (cERG). The complementary deoxyribonucleic acid (cDNA-derived cERG polypeptide consists of 1,158 amino acids, the sequence of which shows striking homology to human, rat and mouse ERG subunits (97%, 94% and 95% identity respectively). In highly conserved peptide domains like the PAS domain, the membrane-spanning segments S1, S3-S6 and the pore-forming region, there was 100% identity. Analysis of cERG transcription revealed abundant expression of cERG messenger ribonucleic acid (mRNA) in heart and brain and low expression in liver, spleen and kidney. Membrane currents recorded in Xenopus oocytes expressing cERG channels showed functional properties very similar to the human K+ channel hERG, which encodes the alpha-subunit of the cardiac rapidly activating, delayed rectifier (IKr) channel.

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Language(s): eng - English
 Dates: 2000-12-152000-08-052000-12-182001-03-142001-05-01
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Pflügers Archiv: European Journal of Physiology
  Other : Pflügers Arch. Europ. J. Physiol.
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 442 (2) Sequence Number: - Start / End Page: 188 - 191 Identifier: ISSN: 0031-6768
CoNE: https://pure.mpg.de/cone/journals/resource/954925432380