Role of endocannabinoids in brain development

被引:79
作者
Fernández-Ruiz, JJ [1 ]
Berrendero, F [1 ]
Hernández, ML [1 ]
Romero, J [1 ]
Ramos, JA [1 ]
机构
[1] Univ Complutense, Fac Med, Dept Bioquim & Biol Mol, Inst Univ Drogodependencias, E-28040 Madrid, Spain
关键词
endogenous cannabinoids; cannabinoid receptors; brain development;
D O I
10.1016/S0024-3205(99)00295-7
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
In addition to those functions that have been extensively addressed in this special issue, such as nociception, motor activity, neuroendocrine regulation, immune function and others, the endogenous cannabinoid system seems to play also a role in neural development. This view is based on a three-fold evidence. A first evidence emerges from neurotoxicological studies that showed that synthetic and plant-derived cannabinoids, when administered to pregnant rats, produced a variety of changes in the maturation of several neurotransmitters and their associated-behaviors in their pups, changes that were evident at different stages of brain development. A second evidence comes from studies that demonstrated the early appearance of elements of the endogenous cannabinoid system (receptors and ligands) during the brain development. The atypical location of these elements during fetal and early postnatal periods favours the notion that this system may play a role in specific molecular events related to neural development. Finally, a third evidence derives from studies using cultures of fetal glial or neuronal cells. Cannabinoid receptors are present in some of these cultured cells and their activation produced a set of cellular effects consistent with a role of this system in the process of neural development. All this likely supports that endocannabinoids, early synthesized in nervous cells, play a role in events related to development, by acting through the activation of second messenger-coupled cannabinoid receptors.
引用
收藏
页码:725 / 736
页数:12
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