Abstract: Two cannabinoid receptors are reviewed with regard to their primary structure, ligand-binding properties, and signal transduction systems. Both receptors have been cloned; therefore, the expression of their genes and the functional domains within the proteins can be examined. Binding of tritiated agonists has localized these receptors to the central nervous and immune systems. The CBI receptor is predominantly expressed in brain tissues and is found in both glial elements and neurons; subcellular localization to axons and terminals is evident. ...
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Topics: 
Cell biology
Neuroscience