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001-es BibID:BIBFORM066337
035-os BibID:(Cikkazonosító)33307 (WOS)000383710400001 (scopus)84988640540
Első szerző:Chen, Jie
Cím:Spatial Distribution of the Cannabinoid Type 1 and Capsaicin Receptors May Contribute to the Complexity of Their Crosstalk / Jie Chen, Angelika Varga, Srikumaran Selvarajah, Agnes Jenes, Beatrix Dienes, Joao Sousa-Valente, Akos Kulik, Gabor Veress, Susan D. Brain, David Baker, Laszlo Urban, Ken Mackie, Istvan Nagy
Dátum:2016
ISSN:2045-2322
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Scientific Reports. - 6 (2016), p. 33307. -
További szerzők:Varga Angelika (1977-) (biológus) Selvarajah, Srikumaran Jenes Ágnes (1980-) (élettanász) Dienes Beatrix (1972-) (élettanász, molekuláris biológus) Sousa-Valente, Joao Kulik Ákos Veress Gábor (1971-) (neurobiológus) Brain, Susan D. Baker, David Urbán László (1960-) Mackie, Ken Nagy István Péter (1964-) (vegyész, kémikus)
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001-es BibID:BIBFORM050561
035-os BibID:PMID:24114173
Első szerző:Varga Angelika (biológus)
Cím:Anandamide produced by Ca2+-insensitive enzymes induces excitation in primary sensory neurons / Angelika Varga, Agnes Jenes, Timothy H. Marczylo, Joao Sousa-Valente, Jie Chen, Jonothan Austin, Srikumaran Selvarajah, Fabiana Piscitelli, Anna P. Andreou, Anthony H. Taylor, Fiona Kyle, Mohammed Yaqoob, Sue Brain, John P. M. White, Laszlo Csernoch, Vincenzo Di Marzo, Laki Buluwela, Istvan Nagy
Dátum:2014
ISSN:0031-6768
Megjegyzések:The endogenous lipid agent N-arachidonoylethanolamine (anandamide), among other effects, has been shown to be involved in nociceptive processing both in the central and peripheral nervous systems. Anandamide is thought to be synthesised by several enzymatic pathways both in a Ca2+-sensitive and Ca2+-insensitive manner, and rat primary sensory neurons produce anandamide. Here, we show for the first time, that cultured rat primary sensory neurons express at least four of the five known Ca2+-insensitive enzymes implicated in the synthesis of anandamide, and that application of 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-arachidonoyl, the common substrate of the anandamide-synthesising pathways, results in anandamide production which is not changed by the removal of extracellular Ca2+. We also show that anandamide, which has been synthesised in primary sensory neurons following the application of 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-arachidonoyl induces a transient receptor potential vanilloid type 1 ion channel-mediated excitatory effect that is not inhibited by concomitant activation of the cannabinoid type 1 receptor. Finally, we show that sub-populations of transient receptor potential vanilloid type 1 ion channel-expressing primary sensory neurons also express some of the putative Ca2+-insensitive anandamide-synthesising enzymes. Together, these findings indicate that anandamide synthesised by primary sensory neuron via a Ca2+-insensitive manner has an excitatory rather than an inhibitory role in primary sensory neurons and that excitation is mediated predominantly through autocrine signalling. Regulation of the activity of the Ca2+-insensitive anandamide-synthesising enzymes in these neurons may be capable of regulating the activity of these cells, with potential relevance to controlling nociceptive processing.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Pflugers Archiv. - 466 : 7 (2014), p. 1421-1435. -
További szerzők:Jenes Ágnes (1980-) (élettanász) Marczylo, Timothy H. Sousa-Valente, Joao Chen, Jie Austin, Jonothan Selvarajah, Srikumaran Piscitelli, Fabiana Andreou, Anna P. Taylor, Anthony H. Kyle, Fiona Yaqoob, Mohammed Brain, Sue White, John P. M. Csernoch László (1961-) (élettanász) Di Marzo, Vincenzo Buluwela, Laki Nagy István
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