Abstract:
OBJECTIVE:Melatonin (MT) is a hormone mainly produced by the pineal gland. It may be involved in the regulation of nociception, the mechanisms of which remain unclear. In the present study, electrophysiological effects of MT on neurons were studied. MATERIALS AND METHODS:The cultured neurons were isolated from Sprague-Dawley rats trigeminal ganglia (TG). The neuron was voltage clamped using the whole cell patch clamp technique. We recorded resting membrane potential, action potential threshold and number, action potential duration and GABA-activated inward currents in the presence of 0.01 μM, 10 μM MT, and in the absence of MT. RESULTS:In the presence of high concentration of MT, the spontaneous action potential disappeared and action potential threshold was significantly increased. GABA-activated inward currents were recorded and blocked by GABAA receptor antagonist, bicuculline, in the majority of TG neurons (91% 40/44). Continuous perfusion of MT could cause a decrease of GABA-activated currents. The inhibiting effect was dose-dependent and irreversible. CONCLUSIONS:The results suggest that MT has several electrophysiological effects on TG neurons, which may be involved in the peripheral mechanisms of orofacial pain.
journal_name
Eur Rev Med Pharmacol Scijournal_title
European review for medical and pharmacological sciencesauthors
Huang F,Guan XY,Yan Y,Fan WG,You YY,He HW,Cheng Bdoi
10.26355/eurrev_201805_15086subject
Has Abstractpub_date
2018-05-01 00:00:00pages
3234-3239issue
10eissn
1128-3602issn
2284-0729journal_volume
22pub_type
杂志文章abstract:OBJECTIVE:Alcoholic hepatitis (AH) is a type of alcoholic liver disorder caused by overconsumption of alcohol. The involvement of several transcription factors (TF), as the main regulators of disease related gene expression has been documented previously. However, despite the importance of analysis of gene regulatory n...
journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章
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abstract:OBJECTIVE:The wildfire allied environmental pollution is highly toxic and can cause significant wide-ranging damage to the regional environment, weather conditions, and it can facilitate the transmission of microorganisms and diseases. The present study aims to investigate the effect of wildfire allied pollutants, part...
journal_title:European review for medical and pharmacological sciences
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章,随机对照试验
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journal_title:European review for medical and pharmacological sciences
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章,收录出版,评审
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章,评审
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journal_title:European review for medical and pharmacological sciences
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章,收录出版,评审
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journal_title:European review for medical and pharmacological sciences
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更新日期:2016-03-01 00:00:00
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更新日期:2019-01-01 00:00:00
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章
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journal_title:European review for medical and pharmacological sciences
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更新日期:2020-12-01 00:00:00
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章,评审
doi:
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journal_title:European review for medical and pharmacological sciences
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更新日期:2017-03-01 00:00:00
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journal_title:European review for medical and pharmacological sciences
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journal_title:European review for medical and pharmacological sciences
pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00