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| Description
| - Sigma receptor ligand haloperidol is a psychotropic drug used in the treatment of various psychiatric disorders. Severe cardiovascular side effects (mostly ventricular arrhythmias) have been often reported as a consequence of this treatment. Thus, we have investigated the effects of 10 ľM haloperidol on cardiac ionic currents in two models freshly isolated rat ventricular cardiomyocytes and in HEK 293 cells with transiently expressed CaV1.2 L-type calcium channel. Gene expression of sigma receptors in both models was measured by RT-PCR. Primers were designed from sequence of sigma receptors (for rat -Genbank number 38541100, for human Genbank number 22212933) and amplified 185bp fragment in the position 499 - 684 nt. The whole cell patch-clamp method has been employed to assess the effect of haloperidol on sodium, potassium and calcium currents. In rat cardiac cells, haloperidol inhibited 95% of INa activated by 40 ms voltage pulses from 75 mV to 20 mV. The inhibition of Ito and IK,end were measured b
- Sigma receptor ligand haloperidol is a psychotropic drug used in the treatment of various psychiatric disorders. Severe cardiovascular side effects (mostly ventricular arrhythmias) have been often reported as a consequence of this treatment. Thus, we have investigated the effects of 10 ľM haloperidol on cardiac ionic currents in two models freshly isolated rat ventricular cardiomyocytes and in HEK 293 cells with transiently expressed CaV1.2 L-type calcium channel. Gene expression of sigma receptors in both models was measured by RT-PCR. Primers were designed from sequence of sigma receptors (for rat -Genbank number 38541100, for human Genbank number 22212933) and amplified 185bp fragment in the position 499 - 684 nt. The whole cell patch-clamp method has been employed to assess the effect of haloperidol on sodium, potassium and calcium currents. In rat cardiac cells, haloperidol inhibited 95% of INa activated by 40 ms voltage pulses from 75 mV to 20 mV. The inhibition of Ito and IK,end were measured b (en)
- Sigma receptor ligand haloperidol je psychotropní látka užívaná v léčbě různých psychiatrických onemocnění. Byly popsány těžké vedlejší účinky na kardiovaskulární systém (hlavně komorové arythmie). zkoumali jsme účinek 10 microM haloperidolu na srdeční iontové proudy u dvou modelů -izolovaných kardiomyocytů potkana a HEK293 buněk s přechodně exprimovaným CaV1.2 L-typem kalciového kanálu. Exprese sigma receptorů v obou modelech byla měřena RT-PCR. Primery were získány ze sekvence sigma receptorů (potkan-Genbank number 38541100, lidské-Genbank number 22212933) a amplifikovány 185bp fragmentem v pozici 499 - 684 nt. Metodou whole cell patch-clamp jsme zjišťovali účinek haloperidolu na sodíková, draslíkové a kalciový proudy. V kardiomyocytech potkana haloperidol inhiboval 95% INa aktivovaného 40 ms napěťovými pulzy z 75 mV do 20 mV. Inhibice Ito a IK,end byla měřena 300 ms napěťovými pulzy z 75 mV do +40 mV. Byla pozorována 80% inhibice Ito a 37% inhibice IK,end, vždy reverzibilní. Inaktivace Ito byla hal (cs)
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| Title
| - Effect of Sigma Ligand Haloperidol on Cardiac Excitability
- Effect of Sigma Ligand Haloperidol on Cardiac Excitability (en)
- Účinek sigma ligandu haloperidolu na srdeční excitabilitu (cs)
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| skos:prefLabel
| - Effect of Sigma Ligand Haloperidol on Cardiac Excitability
- Effect of Sigma Ligand Haloperidol on Cardiac Excitability (en)
- Účinek sigma ligandu haloperidolu na srdeční excitabilitu (cs)
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| skos:notation
| - RIV/00216224:14110/04:00011578!RIV08-GA0-14110___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14110/04:00011578
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - cardiac excitability; sigma receptor; haloperidol; ionic currents; inhibition (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - New Frontiers in Basic Cardiovascular Research
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Bébarová, Markéta
- Pásek, Michal
- Nováková, Marie
- Matejovič, Peter
- Križanová, Olga
- Lacinová, Lubica
- Tarabová, Bohuslava
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| http://localhost/t...ganizacniJednotka
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