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| Content Provider | Springer Nature Link |
|---|---|
| Author | Robinson, Rebecca Hartzell Meissler, Joseph J. Breslow Deckman, Jessica M. Gaughan, John Adler, Martin W. Eisenstein, Toby K. |
| Copyright Year | 2013 |
| Abstract | Cannabinoids are known to have anti-inflammatory and immunomodulatory properties. Cannabinoid receptor 2 (CB2) is expressed mainly on leukocytes and is the receptor implicated in mediating many of the effects of cannabinoids on immune processes. This study tested the capacity of Δ$^{9}$-tetrahydrocannabinol (Δ$^{9}$-THC) and of two CB2-selective agonists to inhibit the murine Mixed Lymphocyte Reaction (MLR), an in vitro correlate of graft rejection following skin and organ transplantation. Both CB2-selective agonists and Δ$^{9}$-THC significantly suppressed the MLR in a dose dependent fashion. The inhibition was via CB2, as suppression could be blocked by pretreatment with a CB2-selective antagonist, but not by a CB1 antagonist, and none of the compounds suppressed the MLR when splenocytes from CB2 deficient mice were used. The CB2 agonists were shown to act directly on T-cells, as exposure of CD3$^{+}$ cells to these compounds completely inhibited their action in a reconstituted MLR. Further, the CB2-selective agonists completely inhibited proliferation of purified T-cells activated by anti-CD3 and anti-CD28 antibodies. T-cell function was decreased by the CB2 agonists, as an ELISA of MLR culture supernatants revealed IL-2 release was significantly decreased in the cannabinoid treated cells. Together, these data support the potential of this class of compounds as useful therapies to prolong graft survival in transplant patients. |
| Starting Page | 1239 |
| Ending Page | 1250 |
| Page Count | 12 |
| File Format | |
| ISSN | 15571890 |
| Journal | Journal of Neuroimmune Pharmacology |
| Volume Number | 8 |
| Issue Number | 5 |
| e-ISSN | 15571904 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-07-04 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cannabinoids Cannabinoid receptor 2 Mixed lymphocyte reaction T-cells Immunosuppression Neurosciences Immunology Pharmacology/Toxicology Virology Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Allergy Pharmacology Immunology |
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