Acute modulation of calcium currents and synaptic transmission by gabapentinoids
- Autores
- Uchitel, Osvaldo Daniel; Di Guilmi, Mariano Nicolás; Urbano Suarez, Francisco Jose; González Inchauspe, Carlota María Fabiola
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Gabapentin and pregabalin are anticonvulsant drugs that are extensively used for the treatment of several neurological and psychiatric disorders. Gabapentinoids (GBPs) are known to have a high affinity binding to α2 δ-1 and α2 δ-2 auxiliary subunit of specific voltage-gated calcium channels. Despite the confusing effects reported on Ca2+ currents, most of the studies showed that GBPs reduced release of various neurotransmitters from synapses in several neuronal tissues. We showed that acute in vitro application of pregabalin could reduce in a dose dependent manner synaptic transmission in both neuromuscular junctions and calyx of Held-MNTB excitatory synapses. Furthermore presynaptic Ca2+ currents treated with pregabalin are reduced in amplitude, do not show inactivation at a clinically relevant low concentration of 100 μM and activate and deactive faster. These results suggest novel modulatory role of acute pregabalin that might contribute to better understanding its anticonvulsant/analgesic clinical effects.
Fil: Uchitel, Osvaldo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina
Fil: Di Guilmi, Mariano Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina
Fil: Urbano Suarez, Francisco Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina
Fil: González Inchauspe, Carlota María Fabiola. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina - Materia
-
Calcium Channels
Calyx of Held
Pregabalin
Epilepsy
Neuropathic Pain - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/20897
Ver los metadatos del registro completo
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Acute modulation of calcium currents and synaptic transmission by gabapentinoidsUchitel, Osvaldo DanielDi Guilmi, Mariano NicolásUrbano Suarez, Francisco JoseGonzález Inchauspe, Carlota María FabiolaCalcium ChannelsCalyx of HeldPregabalinEpilepsyNeuropathic Painhttps://purl.org/becyt/ford/3.1https://purl.org/becyt/ford/3Gabapentin and pregabalin are anticonvulsant drugs that are extensively used for the treatment of several neurological and psychiatric disorders. Gabapentinoids (GBPs) are known to have a high affinity binding to α2 δ-1 and α2 δ-2 auxiliary subunit of specific voltage-gated calcium channels. Despite the confusing effects reported on Ca2+ currents, most of the studies showed that GBPs reduced release of various neurotransmitters from synapses in several neuronal tissues. We showed that acute in vitro application of pregabalin could reduce in a dose dependent manner synaptic transmission in both neuromuscular junctions and calyx of Held-MNTB excitatory synapses. Furthermore presynaptic Ca2+ currents treated with pregabalin are reduced in amplitude, do not show inactivation at a clinically relevant low concentration of 100 μM and activate and deactive faster. These results suggest novel modulatory role of acute pregabalin that might contribute to better understanding its anticonvulsant/analgesic clinical effects.Fil: Uchitel, Osvaldo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; ArgentinaFil: Di Guilmi, Mariano Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; ArgentinaFil: Urbano Suarez, Francisco Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; ArgentinaFil: González Inchauspe, Carlota María Fabiola. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; ArgentinaLandes Bioscience2010-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/20897Uchitel, Osvaldo Daniel; Di Guilmi, Mariano Nicolás; Urbano Suarez, Francisco Jose; González Inchauspe, Carlota María Fabiola; Acute modulation of calcium currents and synaptic transmission by gabapentinoids; Landes Bioscience; Channels; 4; 6; 12-2010; 490-4961933-6950CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.4161/chan.4.6.12864info:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.4161/chan.4.6.12864info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:30:12Zoai:ri.conicet.gov.ar:11336/20897instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:30:12.398CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| title |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| spellingShingle |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids Uchitel, Osvaldo Daniel Calcium Channels Calyx of Held Pregabalin Epilepsy Neuropathic Pain |
| title_short |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| title_full |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| title_fullStr |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| title_full_unstemmed |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| title_sort |
Acute modulation of calcium currents and synaptic transmission by gabapentinoids |
| dc.creator.none.fl_str_mv |
Uchitel, Osvaldo Daniel Di Guilmi, Mariano Nicolás Urbano Suarez, Francisco Jose González Inchauspe, Carlota María Fabiola |
| author |
Uchitel, Osvaldo Daniel |
| author_facet |
Uchitel, Osvaldo Daniel Di Guilmi, Mariano Nicolás Urbano Suarez, Francisco Jose González Inchauspe, Carlota María Fabiola |
| author_role |
author |
| author2 |
Di Guilmi, Mariano Nicolás Urbano Suarez, Francisco Jose González Inchauspe, Carlota María Fabiola |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Calcium Channels Calyx of Held Pregabalin Epilepsy Neuropathic Pain |
| topic |
Calcium Channels Calyx of Held Pregabalin Epilepsy Neuropathic Pain |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.1 https://purl.org/becyt/ford/3 |
| dc.description.none.fl_txt_mv |
Gabapentin and pregabalin are anticonvulsant drugs that are extensively used for the treatment of several neurological and psychiatric disorders. Gabapentinoids (GBPs) are known to have a high affinity binding to α2 δ-1 and α2 δ-2 auxiliary subunit of specific voltage-gated calcium channels. Despite the confusing effects reported on Ca2+ currents, most of the studies showed that GBPs reduced release of various neurotransmitters from synapses in several neuronal tissues. We showed that acute in vitro application of pregabalin could reduce in a dose dependent manner synaptic transmission in both neuromuscular junctions and calyx of Held-MNTB excitatory synapses. Furthermore presynaptic Ca2+ currents treated with pregabalin are reduced in amplitude, do not show inactivation at a clinically relevant low concentration of 100 μM and activate and deactive faster. These results suggest novel modulatory role of acute pregabalin that might contribute to better understanding its anticonvulsant/analgesic clinical effects. Fil: Uchitel, Osvaldo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina Fil: Di Guilmi, Mariano Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina Fil: Urbano Suarez, Francisco Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina Fil: González Inchauspe, Carlota María Fabiola. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina |
| description |
Gabapentin and pregabalin are anticonvulsant drugs that are extensively used for the treatment of several neurological and psychiatric disorders. Gabapentinoids (GBPs) are known to have a high affinity binding to α2 δ-1 and α2 δ-2 auxiliary subunit of specific voltage-gated calcium channels. Despite the confusing effects reported on Ca2+ currents, most of the studies showed that GBPs reduced release of various neurotransmitters from synapses in several neuronal tissues. We showed that acute in vitro application of pregabalin could reduce in a dose dependent manner synaptic transmission in both neuromuscular junctions and calyx of Held-MNTB excitatory synapses. Furthermore presynaptic Ca2+ currents treated with pregabalin are reduced in amplitude, do not show inactivation at a clinically relevant low concentration of 100 μM and activate and deactive faster. These results suggest novel modulatory role of acute pregabalin that might contribute to better understanding its anticonvulsant/analgesic clinical effects. |
| publishDate |
2010 |
| dc.date.none.fl_str_mv |
2010-12 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/11336/20897 Uchitel, Osvaldo Daniel; Di Guilmi, Mariano Nicolás; Urbano Suarez, Francisco Jose; González Inchauspe, Carlota María Fabiola; Acute modulation of calcium currents and synaptic transmission by gabapentinoids; Landes Bioscience; Channels; 4; 6; 12-2010; 490-496 1933-6950 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/20897 |
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Uchitel, Osvaldo Daniel; Di Guilmi, Mariano Nicolás; Urbano Suarez, Francisco Jose; González Inchauspe, Carlota María Fabiola; Acute modulation of calcium currents and synaptic transmission by gabapentinoids; Landes Bioscience; Channels; 4; 6; 12-2010; 490-496 1933-6950 CONICET Digital CONICET |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/doi/10.4161/chan.4.6.12864 info:eu-repo/semantics/altIdentifier/url/http://www.tandfonline.com/doi/abs/10.4161/chan.4.6.12864 |
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openAccess |
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application/pdf application/pdf application/pdf application/pdf application/pdf |
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Landes Bioscience |
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Landes Bioscience |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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