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Title: Characterisation of the endocannabinoid system in rat haemochorial placenta.
Authors: Fonseca, BM
Correia-da-Silva, G
Taylor, AH
Lam, PM
Marczylo, TH
Konje, JC
Teixeira, NA
First Published: Nov-2012
Citation: REPROD TOXICOL, 2012, 34 (3), pp. 347-356
Abstract: Trophoblast cells that comprise the placenta play a crucial role in the complex cross-talk between fetus and maternal tissues. Although anandamide and 2-arachidonoylglycerol, the best studied endocannabinoids, affect trophoblast attachment and outgrowth, the functional significance of the endocannabinoid system in the development of placenta has not been established. We investigated the correlation between endocannabinoid levels and the pattern of expression of the receptors and metabolic enzymes of the endocannabinoid system during rat placental development. Here, we showed that all the endocannabinoid machinery is dynamically expressed in the functionally distinct basal and labyrinth zones of the rat placenta. Indeed, endocannabinoid levels are shown to increase with the progression of pregnancy. Together, these data support a role for the endocannabinoid system in normal placental function and evidence for a potential novel cellular target for the deleterious action of cannabis-derived compounds during the second half of pregnancy.
DOI Link: 10.1016/j.reprotox.2012.05.036
eISSN: 1873-1708
Type: Journal Article
Appears in Collections:Published Articles, Dept. of Cancer Studies and Molecular Medicine

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