Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period

Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature po...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Sibarov, D. A. [verfasserIn] Abushik, P. A. Antonov, S. M.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	epileptiform currents primary culture neurons cortex NMDA receptors

Anmerkung:	© Pleiades Publishing, Ltd. 2016

Übergeordnetes Werk:	Enthalten in: Biochemistry (Moscow) - Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007, 10(2016), 4 vom: Okt., Seite 338-340
Übergeordnetes Werk:	volume:10 ; year:2016 ; number:4 ; month:10 ; pages:338-340

Links:	Volltext

DOI / URN:	10.1134/S1990747816040073

Katalog-ID:	SPR022595511

Internformat


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520			\|a Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses.
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publishDate	2016
allfields	10.1134/S1990747816040073 doi (DE-627)SPR022595511 (SPR)S1990747816040073-e DE-627 ger DE-627 rakwb eng Sibarov, D. A. verfasserin aut Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213 Abushik, P. A. aut Antonov, S. M. aut Enthalten in Biochemistry (Moscow) Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007 10(2016), 4 vom: Okt., Seite 338-340 (DE-627)546011217 (DE-600)2390072-6 1990-7494 nnns volume:10 year:2016 number:4 month:10 pages:338-340 https://dx.doi.org/10.1134/S1990747816040073 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 10 2016 4 10 338-340
spelling	10.1134/S1990747816040073 doi (DE-627)SPR022595511 (SPR)S1990747816040073-e DE-627 ger DE-627 rakwb eng Sibarov, D. A. verfasserin aut Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213 Abushik, P. A. aut Antonov, S. M. aut Enthalten in Biochemistry (Moscow) Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007 10(2016), 4 vom: Okt., Seite 338-340 (DE-627)546011217 (DE-600)2390072-6 1990-7494 nnns volume:10 year:2016 number:4 month:10 pages:338-340 https://dx.doi.org/10.1134/S1990747816040073 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 10 2016 4 10 338-340
allfields_unstemmed	10.1134/S1990747816040073 doi (DE-627)SPR022595511 (SPR)S1990747816040073-e DE-627 ger DE-627 rakwb eng Sibarov, D. A. verfasserin aut Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213 Abushik, P. A. aut Antonov, S. M. aut Enthalten in Biochemistry (Moscow) Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007 10(2016), 4 vom: Okt., Seite 338-340 (DE-627)546011217 (DE-600)2390072-6 1990-7494 nnns volume:10 year:2016 number:4 month:10 pages:338-340 https://dx.doi.org/10.1134/S1990747816040073 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 10 2016 4 10 338-340
allfieldsGer	10.1134/S1990747816040073 doi (DE-627)SPR022595511 (SPR)S1990747816040073-e DE-627 ger DE-627 rakwb eng Sibarov, D. A. verfasserin aut Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213 Abushik, P. A. aut Antonov, S. M. aut Enthalten in Biochemistry (Moscow) Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007 10(2016), 4 vom: Okt., Seite 338-340 (DE-627)546011217 (DE-600)2390072-6 1990-7494 nnns volume:10 year:2016 number:4 month:10 pages:338-340 https://dx.doi.org/10.1134/S1990747816040073 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 10 2016 4 10 338-340
allfieldsSound	10.1134/S1990747816040073 doi (DE-627)SPR022595511 (SPR)S1990747816040073-e DE-627 ger DE-627 rakwb eng Sibarov, D. A. verfasserin aut Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213 Abushik, P. A. aut Antonov, S. M. aut Enthalten in Biochemistry (Moscow) Dordrecht [u.a.] : Springer Science + Business Media B.V, 2007 10(2016), 4 vom: Okt., Seite 338-340 (DE-627)546011217 (DE-600)2390072-6 1990-7494 nnns volume:10 year:2016 number:4 month:10 pages:338-340 https://dx.doi.org/10.1134/S1990747816040073 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 10 2016 4 10 338-340
language	English
source	Enthalten in Biochemistry (Moscow) 10(2016), 4 vom: Okt., Seite 338-340 volume:10 year:2016 number:4 month:10 pages:338-340
sourceStr	Enthalten in Biochemistry (Moscow) 10(2016), 4 vom: Okt., Seite 338-340 volume:10 year:2016 number:4 month:10 pages:338-340
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	epileptiform currents primary culture neurons cortex NMDA receptors
isfreeaccess_bool	false
container_title	Biochemistry (Moscow)
authorswithroles_txt_mv	Sibarov, D. A. @@aut@@ Abushik, P. A. @@aut@@ Antonov, S. M. @@aut@@
publishDateDaySort_date	2016-10-01T00:00:00Z
hierarchy_top_id	546011217
id	SPR022595511
language_de	englisch
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author	Sibarov, D. A.
spellingShingle	Sibarov, D. A. misc epileptiform currents misc primary culture misc neurons misc cortex misc NMDA receptors Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
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topic_title	Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period epileptiform currents (dpeaa)DE-He213 primary culture (dpeaa)DE-He213 neurons (dpeaa)DE-He213 cortex (dpeaa)DE-He213 NMDA receptors (dpeaa)DE-He213
topic	misc epileptiform currents misc primary culture misc neurons misc cortex misc NMDA receptors
topic_unstemmed	misc epileptiform currents misc primary culture misc neurons misc cortex misc NMDA receptors
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title	Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
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title_full	Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
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author_browse	Sibarov, D. A. Abushik, P. A. Antonov, S. M.
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title_sort	epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
title_auth	Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
abstract	Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. © Pleiades Publishing, Ltd. 2016
abstractGer	Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. © Pleiades Publishing, Ltd. 2016
abstract_unstemmed	Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. We demonstrate that NMDA receptor agonists in low concentrations induce an elevation of frequency of miniature postsynaptic currents followed by their synchronization resulting in EC. Ifenprodil did not block EC but strongly inhibited NMDA-evoked whole-cell currents, which say for a key role of the ifenprodil-resistant synaptic GluN2A-containing NMDA receptors in the generation of EC. We suppose that in cultured neurons the onset of EC and a gradual increase of the EC amplitude over the time of culture period is directed by an increase of synaptic connections density and displacement of the GluN2B subunit by GluN2A in synapses. © Pleiades Publishing, Ltd. 2016
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title_short	Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period
url	https://dx.doi.org/10.1134/S1990747816040073
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up_date	2024-07-03T13:54:40.829Z
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A.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2016</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Pleiades Publishing, Ltd. 2016</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Here we show that in primary culture of rat cortical neurons the number of episodes of epileptiform curents (EC) provoked by extracellular magnesium removal increases over time. 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Epileptiform curents in rat cortical neurons increase over time of the in vitro culture period

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