NDLI: Chronic Δ-9-tetrahydrocannabinol Administration Increases Lymphocyte CXCR4 Expression in Rhesus Macaques

Content Provider	Springer Nature Link
Author	LeCapitaine, Nicole J. Zhang, Ping Winsauer, Peter Walker, Edith Stouwe, Curtis Porretta, Constance Molina, Patricia E.
Copyright Year	2011
Abstract	Cannabinoids have been reported to produce various immunomodulatory effects, which could potentially impact the host response to bacterial or viral infection. We have recently demonstrated that chronic Δ-9-tetrahydrocannabinol (THC; 0.32 mg/kg i.m., BID) decreased early mortality in rhesus macaques infected with simian immunodeficiency virus (SIV). However, the possibility that prolonged THC administration affects lymphocyte counts, phenotype, and proliferation indices has not been addressed. We examined expression of proliferative and phenotypic markers in circulating lymphocytes of male young adult rhesus macaques chronically-treated with THC (i.m. twice daily 0.32 mg/kg) for 12 months. Chronic THC administration did not alter lymphocyte subtypes, naïve and memory subsets, proliferation, or apoptosis of T lymphocytes when compared to time-matched vehicle-treated controls. However, chronic THC increased T lymphocyte CXCR4 expression on both CD4+ and CD8+ T lymphocytes compared to control. These results show that chronic THC administration produces changes in T cell phenotype, which can potentially contribute to host immunomodulation to infectious challenges.
Starting Page	540
Ending Page	545
Page Count	6
File Format	PDF
ISSN	15571890
Journal	Journal of Neuroimmune Pharmacology
Volume Number	6
Issue Number	4
e-ISSN	15571904
Language	English
Publisher	Springer US
Publisher Date	2011-04-12
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Flow cytometry Lymphocytes Cannabinoids CXCR4 Rhesus macaques Virology Neurosciences Immunology Cell Biology Pharmacology/Toxicology
Content Type	Text
Resource Type	Article
Subject	Neuroscience Immunology and Allergy Pharmacology Immunology

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Chronic Δ-9-tetrahydrocannabinol Administration Increases Lymphocyte CXCR4 Expression in Rhesus Macaques

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