Beyond radio-displacement techniques for Identification of CB1 Ligands: The First Application of a Fluorescence-quenching Assay.

“Cannabinoid type 1 Receptor (CB1) belongs to the GPCR family and it has been targeted, so far, for the discovery of drugs aimed at the treatment of neuropathic pain, nausea, vomit, and food intake disorders. Here, we present the development of the first fluorescent assay enabling the measurement of kinetic binding constants for CB1orthosteric ligands…

…a sustainable valid alternative to the expensive and environmental impacting radiodisplacement techniques and paves the way for an easy, fast and cheap high-throughput drug screening toward CB1 for identification of new orthosteric and allosteric modulators.”

http://www.ncbi.nlm.nih.gov/pubmed/24441508

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Expression of cannabinoid receptor 2 and its inhibitory effects on synovial fibroblasts in rheumatoid arthritis.

“Recent studies have suggested immunomodulatory and anti-inflammatory effects of cannabinoid receptor 2 (CB2R) activation, which shows no psychoactivity…

These data suggest that CB2R may be a potential therapeutic target of RA.”

http://www.ncbi.nlm.nih.gov/pubmed/24440992

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Pre- and postsynaptic type-1 cannabinoid receptors control the alterations of glutamate transmission in experimental autoimmune encephalomyelitis.

“Type-1 cannabinoid receptors (CB1R) are important regulators of the neurodegenerative damage in multiple sclerosis (MS) and in experimental autoimmune encephalomyelitis (EAE). In GABAergic striatal neurons, CB1R stimulation exerts protective effects by limiting inflammation…

Our results provide further evidence that CB1R are involved in EAE pathophysiology, and suggest that both pre- and postsynaptic alterations of glutamate transmission are important to drive excitotoxic neurodegeneration typical of this disorder.”

http://www.ncbi.nlm.nih.gov/pubmed/24440366

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Cannabinoid modulation of predator fear: involvement of the dorsolateral periaqueductal gray.

“The present study investigated the effects of systemic or intra-dorsolateral periaqueductal gray (dlPAG) administration of CB1 agonists on behavioural changes induced in rats by predator (a live cat) exposure, a model of panic responses…

These results suggest that modulation of the cannabinoid system could be a target in the treatment of panic disorders…”

http://www.ncbi.nlm.nih.gov/pubmed/24438603

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Nabiximols as an Agonist Replacement Therapy During Cannabis Withdrawal: A Randomized Clinical Trial.

“There are no medications approved for treating cannabis dependence or withdrawal. The cannabis extract nabiximols (Sativex), developed as a multiple sclerosis treatment, offers a potential agonist medication for cannabis withdrawal…

The data support further evaluation of nabiximols for management of cannabis dependence and withdrawal in treatment-seeking populations.”

http://www.ncbi.nlm.nih.gov/pubmed/24430917

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Δ(9)-THC and N-arachidonoyl glycine regulate BV-2 microglial morphology and cytokine release plasticity: implications for signaling at GPR18.

“Microglial cells are extremely plastic and undergo a variety of CNS-prompted shape changes relative to their location and current role. Signaling molecules from neurons also regulate microglial cytokine production. Neurons are known to employ the endogenous cannabinoid system to communicate with other cells of the CNS.

N-arachidonoyl glycine (NAGly) and Δ(9)-tetrahydrocannabinol (Δ(9)-THC) signaling via GPR18 has been introduced as an important new target in microglial-neuronal communication…

These data add to an emerging profile that emphasizes NAGly as a component of an endogenous system present in the CNS that tightly integrates microglial proliferation, recruitment, and adhesion with neuron-glia interactivity and tissue remodeling.”

http://www.ncbi.nlm.nih.gov/pubmed/24427137

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Effects of cannabinoid receptor type 2 on endogenous myocardial regeneration by activating cardiac progenitor cells in mouse infarcted heart.

“Cannabinoid receptor type 2 (CB2) activation is recently reported to promote proliferation of some types of resident stem cells (e.g., hematopoietic stem/progenitor cell or neural progenitor cell).

Resident cardiac progenitor cell (CPC) activation and proliferation are crucial for endogenous cardiac regeneration and cardiac repair after myocardial infarction (MI). This study aims to explore the role and possible mechanisms of CB2 receptor activation in enhancing myocardial repair…

In conclusion, AM1241 could induce myocardial regeneration and improve cardiac function, which might be associated with PI3K/Akt/Nrf2 signaling pathway activation.

Our findings may provide a promising strategy for cardiac endogenous regeneration after MI.”

http://www.ncbi.nlm.nih.gov/pubmed/24430557

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

The Novel Endocannabinoid Receptor GPR18 is Expressed in the Rostral Ventrolateral Medulla and Exerts Tonic Restraining Influence on Blood Pressure.

“Systemic administration of the GPR18 agonist abnormal cannabidiol (Abn CBD) lowers blood pressure (BP).

These findings are the first to demonstrate GPR18 expression in the RVLM, and to suggest sympathoinhibitory role for this receptor. The findings yield new insight into the role of a novel cannabinoid receptor (GPR18) in central BP control.”

http://www.ncbi.nlm.nih.gov/pubmed/24431468PR

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

Hemp (Cannabis sativa L.) seed oil: Analytical and phytochemical characterization of unsaponifiable fraction.

“Non-drug varieties of Cannabis sativa L., collectively known as “hemp”, have been an important source of food, fiber and medicince for thousands of years. The ever-increasing demand for vegetables oils has made it essential to characterize additional vegetable oil through innovative uses of its components…

This study is an important contribution for Cannabis sativa L. valorization as a source of bioactive compounds contributing to research novel applications for hemp seed oil in the food, pharmaceutical, cosmetic and other non-food industries.”

http://www.ncbi.nlm.nih.gov/pubmed/24422510

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous

A double-blind, randomized, placebo-controlled, parallel group study of THC/CBD spray in peripheral neuropathic pain treatment.

“Peripheral neuropathic pain (PNP) associated with allodynia poses a significant clinical challenge. The efficacy of Δ9 -tetrahydrocannabinol/cannabidiol (THC/CBD) oromucosal spray, a novel cannabinoid formulation, was investigated in this 15-week randomized, double-blind, placebo-controlled parallel group study…

These findings demonstrate that, in a meaningful proportion of otherwise treatment-resistant patients, clinically important improvements in pain, sleep quality and SGIC of the severity of their condition are obtained with THC/CBD spray. THC/CBD spray was well tolerated and no new safety concerns were identified.”

http://www.ncbi.nlm.nih.gov/pubmed/24420962

Facebook Twitter Pinterest Stumbleupon Tumblr Posterous