CB2 Receptor Activation Inhibits Melanoma Cell Transmigration through the Blood-Brain Barrier. Posted on May 14, 2014 by David “Our data identify CB2 as a potential target in reducing the number of brain metastastes originating from melanoma.” http://www.ncbi.nlm.nih.gov/pubmed/24815068 http://www.thctotalhealthcare.com/category/melanoma/