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Ion currents of car...
Ion currents of cardiomyocytes in different regions of the Göttingen minipig heart
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- Arlock, Per (författare)
- Karolinska Institute,Lund University,Lunds universitet,Thoraxkirurgi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Thoracic Surgery,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Mow, Tomas (författare)
- H. Lundbeck A/S
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- Sjöberg, Trygve (författare)
- Lund University,Lunds universitet,Thoraxkirurgi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Thoracic Surgery,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Arner, Anders (författare)
- Karolinska Institute
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- Steen, Stig (författare)
- Lund University,Lunds universitet,Thoraxkirurgi,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Thoracic Surgery,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Laursen, Morten (författare)
- H. Lundbeck A/S
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(creator_code:org_t)
- Elsevier BV, 2017
- 2017
- Engelska 7 s.
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Ingår i: Journal of Pharmacological and Toxicological Methods. - : Elsevier BV. - 1056-8719 .- 1873-488X. ; 86, s. 12-18
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Introduction The Göttingen minipig is a promising model for pharmacological safety assessment and for translational research in cardiology. We have examined the main ion currents in cardiomyocytes of the minipig heart. Methods Cardiac cells were isolated from different cardiac regions (endo-, mid- and epicardial left ventricle and right ventricle) from Göttingen minipigs and examined using the whole cell patch clamp technique combined with pharmacological interventions. Results The inward rectifier (IK1), the delayed rectifier (IK), with the rapid and slow components, (IKr, IKs) and the L-type Ca2 + channel (ICa,L) were identified in the different regions of the heart, whereas the Ca2 +-independent transient outward current (Ito1) was observed in only a few cells. IK1 was similar in the cardiac regions with a slightly lower value in the epicardial cells. IKs was smaller in epi- and endo-cardial regions. Discussion The equivalents of the main human cardiac ion currents are present in the minipig cardiomyocytes with the exception of the Ca2 +-independent Ito1. The study provides further evidence that the minipig is a valid model for investigating cardiovascular pharmacology.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- Cardiac electrophysiology
- Delayed rectifier K channel
- Göttingen minipig
- Heart
- hERG
- Inward rectifier K channel
- Ion channel
- L-type Ca channel
- Patch clamp
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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