0000000000425178

AUTHOR

Carmelo Quarta

0000-0002-1352-4239

showing 3 related works from this author

The endocannabinoid system controls food intake via olfactory processes

2014

Comment in Sensory systems: the hungry sense. [Nat Rev Neurosci. 2014] Inhaling: endocannabinoids and food intake. [Nat Neurosci. 2014]; International audience; Hunger arouses sensory perception, eventually leading to an increase in food intake, but the underlying mechanisms remain poorly understood. We found that cannabinoid type-1 (CB1) receptors promote food intake in fasted mice by increasing odor detection. CB1 receptors were abundantly expressed on axon terminals of centrifugal cortical glutamatergic neurons that project to inhibitory granule cells of the main olfactory bulb (MOB). Local pharmacological and genetic manipulations revealed that endocannabinoids and exogenous cannabinoid…

MaleOlfactory systemMESH: Olfactory PerceptionCannabinoid receptorMESH: Feedback Physiological[SDV]Life Sciences [q-bio]medicine.medical_treatmentMESH: Cannabinoid Receptor AgonistsMESH: EndocannabinoidsMESH: Receptor Cannabinoid CB1Synaptic TransmissionMESH: Mice KnockoutMESH: EatingEatingMiceOlfactory bulbReceptor Cannabinoid CB1MESH: AnimalsFeedback PhysiologicalMice Knockoutmusculoskeletal neural and ocular physiologyGeneral Neurosciencedigestive oral and skin physiologyOlfactory PathwaysEndocannabinoid systemMESH: Feeding Behaviorlipids (amino acids peptides and proteins)psychological phenomena and processesMESH: Olfactory BulbBiologyInhibitory postsynaptic potentialGlutamatergicMESH: Mice Inbred C57BLMESH: Synaptic TransmissionmedicineAnimalsMESH: MiceCannabinoid Receptor AgonistsFeeding BehaviorOlfactory PerceptionMESH: MaleOlfactory bulbMice Inbred C57BLnervous systemOdorFeeding behaviourCannabinoid[SDV.AEN]Life Sciences [q-bio]/Food and NutritionNeuroscienceMESH: Olfactory PathwaysEndocannabinoidsNature Neuroscience
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CB(1) signaling in forebrain and sympathetic neurons is a key determinant of endocannabinoid actions on energy balance

2010

The endocannabinoid system (ECS) plays a critical role in obesity development. The pharmacological blockade of cannabinoid receptor type 1 (CB(1)) has been shown to reduce body weight and to alleviate obesity-related metabolic disorders. An unsolved question is at which anatomical level CB(1) modulates energy balance and the mechanisms involved in its action. Here, we demonstrate that CB(1) receptors expressed in forebrain and sympathetic neurons play a key role in the pathophysiological development of diet-induced obesity. Conditional mutant mice lacking CB(1) expression in neurons known to control energy balance, but not in nonneuronal peripheral organs, displayed a lean phenotype and res…

Sympathetic Nervous SystemPhysiologymedicine.medical_treatmentHUMDISEASEFluorescent Antibody TechniqueBody TemperatureMice0302 clinical medicineReceptor Cannabinoid CB1Cannabinoid receptor type 1ReceptorIn Situ HybridizationMice Knockout0303 health sciencesReverse Transcriptase Polymerase Chain ReactionCB(1)ThermogenesisEndocannabinoid systemOBESITYCB1 knock outlipids (amino acids peptides and proteins)CB(1); CANNABINOID RECEPTOR; OBESITY; ENDOCANNABINOID SYSTEM; METABOLIC DISORDERSSignal Transductionmedicine.medical_specialtyforebrainImmunoblottingCitrate (si)-SynthaseIn situ hybridizationHyperphagiaBiologyDNA MitochondrialModels BiologicalENDOCANNABINOID SYSTEMMOLNEURONO03 medical and health sciencesProsencephalonLipid oxidationInternal medicineMETABOLIC DISORDERSmedicineAnimalsMolecular BiologyCANNABINOID RECEPTOR030304 developmental biologyAnalysis of VarianceX-Ray MicrotomographyCell Biologyendocannabinoidenergy balanceEndocrinologynervous systemsympathetic neuronsForebrainCannabinoidEnergy Metabolismendocannabinoid; forebrain; sympathetic neurons; energy balance; CB1 knock outNeuroscienceThermogenesis030217 neurology & neurosurgery
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Adipocyte cannabinoid receptor CB1 regulates energy homeostasis and alternatively activated macrophages.

2017

Dysregulated adipocyte physiology leads to imbalanced energy storage, obesity, and associated diseases, imposing a costly burden on current health care. Cannabinoid receptor type-1 (CB1) plays a crucial role in controlling energy metabolism through central and peripheral mechanisms. In this work, adipocyte-specific inducible deletion of the CB1 gene (Ati-CB1- KO) was sufficient to protect adult mice from diet-induced obesity and associated metabolic alterations and to reverse the phenotype in already obese mice. Compared with controls, Ati-CB1-KO mice showed decreased body weight, reduced total adiposity, improved insulin sensitivity, enhanced energy expenditure, and fat depot-specific cell…

0301 basic medicineMalemedicine.medical_specialtyCannabinoid receptorMacrophageAdipose Tissue WhiteAdipose tissueEnergy homeostasisMice03 medical and health scienceschemistry.chemical_compound0302 clinical medicineReceptor Cannabinoid CB1Internal medicineAdipocyteBrown adipose tissueHomeostasiCannabinoid receptor type 2medicineAdipocytesAnimalsHomeostasisObesityCannabisMice KnockoutAdipocyteAnimalMedicine (all)MacrophagesBody WeightGeneral MedicineMacrophage ActivationEndocannabinoid systemMice Inbred C57BL030104 developmental biologyEndocrinologymedicine.anatomical_structurechemistryOrgan SpecificityCommentaryEnergy IntakeEnergy MetabolismTranscriptome030217 neurology & neurosurgeryHomeostasisResearch ArticleThe Journal of clinical investigation
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