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Self-modulation of neocortical pyramidal neurons by endocannabinoids. 2009

Silvia Marinelli, and Simone Pacioni, and Astrid Cannich, and Giovanni Marsicano, and Alberto Bacci
European Brain Research Institute, Rome, Italy.

Control of pyramidal neuron excitability is vital for the functioning of the neocortex. Somatodendritic slow self-inhibition (SSI) allows inhibitory neurons to regulate their own activity, but the existence of similar mechanisms in excitatory cells has not been shown. We found that in rodents endocannabinoids mediated SSI and long-term modulation of inhibitory connections in layer 2/3 pyramidal neurons with a distinct dendritic morphology, suggesting that a glutamatergic network in cortical circuits is self-regulated.

UI MeSH Term Description Entries
D009025 Morpholines Tetrahydro-1,4-Oxazines,Tetrahydro 1,4 Oxazines
D009281 Naphthalenes Two-ring crystalline hydrocarbons isolated from coal tar. They are used as intermediates in chemical synthesis, as insect repellents, fungicides, lubricants, preservatives, and, formerly, as topical antiseptics.
D009433 Neural Inhibition The function of opposing or restraining the excitation of neurons or their target excitable cells. Inhibition, Neural
D009924 Organ Culture Techniques A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or all of the histological features of the tissue in vivo. (Freshney, Culture of Animal Cells, 3d ed, p1) Organ Culture,Culture Technique, Organ,Culture Techniques, Organ,Organ Culture Technique,Organ Cultures
D002186 Cannabinoids Compounds having the cannabinoid structure. They were originally extracted from Cannabis sativa L. The most pharmacologically active constituents are TETRAHYDROCANNABINOL; CANNABINOL; and CANNABIDIOL. Cannabinoid
D003712 Dendrites Extensions of the nerve cell body. They are short and branched and receive stimuli from other NEURONS. Dendrite
D005680 gamma-Aminobutyric Acid The most common inhibitory neurotransmitter in the central nervous system. 4-Aminobutyric Acid,GABA,4-Aminobutanoic Acid,Aminalon,Aminalone,Gammalon,Lithium GABA,gamma-Aminobutyric Acid, Calcium Salt (2:1),gamma-Aminobutyric Acid, Hydrochloride,gamma-Aminobutyric Acid, Monolithium Salt,gamma-Aminobutyric Acid, Monosodium Salt,gamma-Aminobutyric Acid, Zinc Salt (2:1),4 Aminobutanoic Acid,4 Aminobutyric Acid,Acid, Hydrochloride gamma-Aminobutyric,GABA, Lithium,Hydrochloride gamma-Aminobutyric Acid,gamma Aminobutyric Acid,gamma Aminobutyric Acid, Hydrochloride,gamma Aminobutyric Acid, Monolithium Salt,gamma Aminobutyric Acid, Monosodium Salt
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D043884 Receptor, Cannabinoid, CB1 A subclass of cannabinoid receptor found primarily on central and peripheral NEURONS where it may play a role modulating NEUROTRANSMITTER release. Cannabinoid Receptor CB1,CB1 Receptor,Receptor CB1, Cannabinoid,Receptor, CB1
D048588 Benzoxazines OXAZINES with a fused BENZENE ring. Benzoxazine,Benzoxazinoid,Benzoxazinone,Benzoxazinones,Benzoxazinoids

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