The neuroprotective effect of cannabidiol in an in vitro model of newborn hypoxic-ischemic brain damage in mice is mediated by CB2 and adenosine receptors

被引：216

作者：

Castillo, A. ^{[2
]}

Tolon, M. R. ^{[2
]}

Fernandez-Ruiz, J. ^{[3
]}

Romero, J. ^{[2
]}

Martinez-Orgado, J. ^{[1
,2
]}

机构：

[1] Hosp Univ Puerta Hierro, Dept Pediat, Serv Pediat, Madrid 28222, Spain

[2] Hosp Univ Fdn Alcorcon, Lab Apoyo Invest, Madrid, Spain

[3] Univ Complutense, Fac Med, Dept Bioquim & Biol Mol, Madrid, Spain

来源：

NEUROBIOLOGY OF DISEASE | 2010年 / 37卷 / 02期

关键词：

Cannabidiol; Adenosine; Neuroprotection; Hypoxia-ischemia; Newborn; Mice; NITRIC-OXIDE SYNTHASE; IMMATURE RAT-BRAIN; PLANT CANNABINOIDS; EXPRESSION; ACTIVATION; RELEASE; INJURY; VIVO; PREVENTS; KINASE;

D O I：

10.1016/j.nbd.2009.10.023

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

To investigate the mechanisms involved in cannabidiol (CBD)-induced neuroprotection in hypoxic-ischemic (HI) immature brain, forebrain slices from newborn mice underwent oxygen and glucose deprivation in the presence of vehicle, or CBD alone or with selective antagonists of cannabinoid CB, and CB2, and adenosine A(1) and A(2) receptors. CBD reduced acute (LDH efflux to the incubation medium) and apoptotic (caspase-9 concentration in tissue) HI brain damage by reducing glutamate and IL-6 concentration, and TNF alpha, COX-2, and iNOS expression. CBD effects were reversed by the CB2 antagonist AM630 and by the A(2A) antagonist SCH58261. The A(1A) antagonist DPCPX only counteracted the CBD reduction of glutamate release, while the CB, antagonist SR141716 did not modify any effect of CBD. In conclusion, CBD induces robust neuroprotection in immature brain, by acting on some of the major mechanisms underlying HI cell death; these effects are mediated by CB2 and adenosine, mainly A(2A), receptors. (c) 2009 Elsevier Inc. All rights reserved.

引用

页码：434 / 440

页数：7

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