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Experimental Methods to Study the Role of the Peripheral Cannabinoid Receptor in Immune Function

  • Nancy E. Buckley
  • Diep Burbridge
  • Manop Buranapramest
  • Tanya Ferguson
  • Renee Y. Paau
Part of the Methods In Molecular Medicine™ book series (MIMM, volume 123)

Summary

Marijuana components, such as Δ-9-tetrahydrocannabinol, and endogenous cannabinoids, such as anandamide and 2-arachydonoylglycerol, alter diverse immune functions. Two cannabinoid receptors have been discovered to date, the central cannabinoid receptor (CB1R) and the peripheral cannabinoid receptor (CB2R). The CB1R is expressed predominantly in the central nervous system. The CB2R is expressed mainly in cells of the immune system, suggesting that the CB2R is involved in immunoregulatory events. Cannabinoids have been shown to modulate diverse immune functions including cytokine production, lymphocyte proliferation, and humoral and cell-mediated immune responses. In addition, cannabinoids have been shown to induce different signal transduction pathways. However, the role of cannabinoids and their receptors in the immune system remains unclear. The objective of the experimental methods described herein is to investigate the role of CB2R activation in specific splenocyte and macrophage functions using a mouse lacking the CB2R. Interestingly, our findings, thus far suggest that basal CB2R activation modulates lymphocyte proliferation and cytokine secretion and macrophage phagocytic activity. Therefore, data obtained using the methodology described in this chapter will help us elucidate the role of cannabinoids and the CB2R in the immune system.

Key Words

Cannabinoids immune function splenocytes T cells lymphocyte proliferation macrophages cytokines mitogen-activated kinase CB2R knockout mouse 

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Copyright information

© Humana Press Inc. 2006

Authors and Affiliations

  • Nancy E. Buckley
    • 1
  • Diep Burbridge
  • Manop Buranapramest
  • Tanya Ferguson
  • Renee Y. Paau
  1. 1.Biological Sciences DepartmentCalifornia State Polytechnic UniversityPomona

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