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How Cannabis Suppresses Immune Functions: Cannabis Compounds Found to Trigger Unique Immune Cells Which Promote Cancer Growth

Date: 6.12.2010 

 

An international team of immunologists studying the effects of cannabis have discovered how smoking marijuana can trigger a suppression of the body's immune functions. The research, published in the European Journal of Immunology, reveals why cannabis users are more susceptible to certain types of cancers and infections.

"We believe the key to this suppression is a unique type of immune cell, which has only recently been identified by immunologists, called myeloid-derived suppressor cells, MDSCs."

While most immune cells fight against infections and cancers to protect the host, MDSCs actively suppress the immune system. The presence of these cells is known to increase in cancer patients and it is believed that MDSCs may suppress the immune system against cancer therapy, actually promoting cancer growth.

Original Paper:

Venkatesh L. Hegde, Mitzi Nagarkatti and Prakash S. Nagarkatti. Cannabinoid receptor activation leads to massive mobilization of myeloid-derived suppressor cells with potent immunosuppressive properties. European Journal of Immunology, 2010; 40 (12): 3358-3371 DOI: 10.1002/eji.201040667

Source:

http://www.sciencedaily.com/releases/2010/11/101124214728.htm

 


 

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