Sökning: id:"swepub:oai:DiVA.org:uu-182734" > Pentobarbital modul...
Fältnamn | Indikatorer | Metadata |
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000 | 03637naa a2200373 4500 | |
001 | oai:DiVA.org:uu-182734 | |
003 | SwePub | |
008 | 121015s2000 | |||||||||||000 ||eng| | |
009 | oai:lup.lub.lu.se:c4691f57-da16-4e8e-9281-0c4ddfd250ab | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1827342 URI |
024 | 7 | a https://lup.lub.lu.se/record/11172732 URI |
040 | a (SwePub)uud (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Eghbali, M4 aut |
245 | 1 0 | a Pentobarbital modulates gamma-aminobutyric acid-activated single-channel conductance in rat cultured hippocampal neurons. |
264 | 1 | c 2000 |
338 | a print2 rdacarrier | |
520 | a We examined the effect of a range of pentobarbital concentrations on 0.5 microM gamma-aminobutyric acid (GABA)-activated channels (10 +/- 1 pS) in inside-out or outside-out patches from rat cultured hippocampal neurons. The conductance increased from 12 +/- 4 to 62 +/- 9 pS as the pentobarbital concentration was raised from 10 to 500 microM and the data could be fitted by a Hill-type equation. At 100 microM pentobarbital plus 0.5 microM GABA, the conductance seemed to reach a plateau. The pentobarbital EC(50)(0.5 microM GABA) value was 22 +/- 4 microM and n was 1.9 +/- 0.5. In 1 mM pentobarbital plus 0.5 microM GABA, the single-channel conductance decreased to 34 +/- 8 pS. This apparent inhibition of channel conductance was relieved by 1 microM diazepam. The channel conductance was 64 +/- 6 pS in the presence of all three drugs. The channels were open more in the presence of both GABA and pentobarbital than in the presence of either drug alone. Pentobarbital alone (100 microM) activated channels with conductance (30 +/- 2 pS) and kinetic properties distinct from those activated by either GABA alone or GABA plus pentobarbital. Whether pentobarbital induces new conformations or promotes conformations observed in the presence of GABA alone cannot be determined from our study, but the results clearly show that it is the combination of drugs present that determines the single-channel conductance and the kinetic properties of the receptors. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Neurovetenskaper0 (SwePub)301052 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Neurosciences0 (SwePub)301052 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Fysiologi0 (SwePub)301062 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Physiology0 (SwePub)301062 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Farmakologi och toxikologi0 (SwePub)301022 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Pharmacology and Toxicology0 (SwePub)301022 hsv//eng |
700 | 1 | a Gage, P W4 aut |
700 | 1 | a Birnir, Bryndisu Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine,Department of Physiology and Anesthesiology, UCLA School of Medicine4 aut0 (Swepub:lu)mphy-bbi |
710 | 2 | a Institutionen för kliniska vetenskaper, Malmöb Medicinska fakulteten4 org |
773 | 0 | t Molecular Pharmacologyg 58:3, s. 463-9q 58:3<463-9x 0026-895Xx 1521-0111 |
856 | 4 | u http://molpharm.aspetjournals.org/cgi/content/full/58/3/463y FULLTEXT |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-182734 |
856 | 4 8 | u https://lup.lub.lu.se/record/1117273 |
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