Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Neural Substrates Underlying the Effects of Cannabinoids

09.10.2007
How do cannabinoids make us feel that way?

Marijuana and its main psychoactive component, THC, exert a plethora of behavioral and autonomic effects on humans and animals. Some of these effects are the cause of the widespread illicit use of marijuana, while others might be involved in the potential therapeutic use of this drug for the treatment of several neuronal disorders.

The great majority of these effects of THC are mediated by cannabinoid receptor type 1 (CB1), which is abundantly expressed in the central nervous system. The exact anatomical and neuronal substrates of each action, however, were previously unknown. Using an advanced genetic approach, Krisztina Monory and colleagues at the Johannes Gutenberg University Mainz discovered that specific neuronal subpopulations mediate the distinct effects of THC. Their work is published online this week in the open-access journal PLoS Biology.

In their study, the researchers generated mutant mice lacking CB1 expression in defined neuronal subpopulations but not in others. These mice were treated with THC, and typical effects of the drug on motor behavior, pain, and thermal sensation were scored. Their discovery of the neural substrates underlying specific effects of THC could lead to a refined interpretation of the pharmacological actions of cannabinoids. Moreover, these data might provide the rationale for the development of drugs capable of selectively activating CB1 in specific neuronal subpopulations, thereby better exploiting cannabinoids’ potential therapeutic properties.

... more about:
»Cannabinoid »Neuronal »THC »effects

Citation: Monory K, Blaudzun H, Massa F, Kaiser N, Lemberger T, et al (2007) Genetic dissection of behavioural and autonomic effects of D9-tetrahydrocannabinol in mice. PLoS Biol 5(10): e269. doi:10.1371/journal.pbio.0050269

CONTACT:
Giovanni Marsicano
Institute F. Magendie Université Bordeaux
Bordeaux, 33077
France
+33-5-5757-3756
giovanni.marsicano@bordeaux.inserm.fr

Andrew Hyde | alfa
Further information:
http://www.plosbiology.org/
http://biology.plosjournals.org/perlserv/?request=get-document&doi=10.1371/journal.pbio.0050269

Further reports about: Cannabinoid Neuronal THC effects

More articles from Life Sciences:

nachricht 'Lipid asymmetry' plays key role in activating immune cells
20.02.2018 | Biophysical Society

nachricht New printing technique uses cells and molecules to recreate biological structures
20.02.2018 | Queen Mary University of London

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: In best circles: First integrated circuit from self-assembled polymer

For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.

In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...

Im Focus: Demonstration of a single molecule piezoelectric effect

Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale

Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...

Im Focus: Hybrid optics bring color imaging using ultrathin metalenses into focus

For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.

But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...

Im Focus: Stem cell divisions in the adult brain seen for the first time

Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.

The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...

Im Focus: Interference as a new method for cooling quantum devices

Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters

Quantum computer parts are sensitive and need to be cooled to very low temperatures. Their tiny size makes them particularly susceptible to a temperature...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

2nd International Conference on High Temperature Shape Memory Alloys (HTSMAs)

15.02.2018 | Event News

Aachen DC Grid Summit 2018

13.02.2018 | Event News

How Global Climate Policy Can Learn from the Energy Transition

12.02.2018 | Event News

 
Latest News

'Lipid asymmetry' plays key role in activating immune cells

20.02.2018 | Life Sciences

MRI technique differentiates benign breast lesions from malignancies

20.02.2018 | Medical Engineering

Major discovery in controlling quantum states of single atoms

20.02.2018 | Physics and Astronomy

VideoLinks
Science & Research
Overview of more VideoLinks >>>