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Research ArticleInflammation, Immunopharmacology, and Asthma

Targeting Cannabinoid Receptors as a Novel Approach in the Treatment of Graft-versus-Host Disease: Evidence from an Experimental Murine Model

Rupal Pandey, Venkatesh L. Hegde, Mitzi Nagarkatti and Prakash S. Nagarkatti
Journal of Pharmacology and Experimental Therapeutics September 2011, 338 (3) 819-828; DOI: https://doi.org/10.1124/jpet.111.182717
Rupal Pandey
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Venkatesh L. Hegde
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Mitzi Nagarkatti
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Prakash S. Nagarkatti
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Abstract

Allogeneic hematopoietic cell transplantation (HCT) is widely used to treat patients with life-threatening malignant and nonmalignant hematological diseases. However, allogeneic HCT often is accompanied by severe and lethal complications from graft-versus-host disease (GVHD), in which activated donor T cells recognize histocompatibility antigenic mismatches and cause significant toxicity in the recipient. In the current study, we tested the hypothesis that activation of cannabinoid receptors on donor-derived T cells may prevent GVHD. We tested the effect of Δ9-tetrahydrocannabinol (THC) in an acute model of GVHD that was induced by transferring parental C57BL/6 (B6) spleen cells into (C57BL/6 × DBA/2) F1(BDF1) mice. Transfer of B6 cells into BDF1 mice produced severe acute GVHD in the recipient, characterized by lymphoid hyperplasia, weight loss, T helper l cytokine production and mortality. THC administration led to early recovery from body weight loss, reduced tissue injury in the liver and intestine, as well as complete survival. THC treatment reduced the expansion of donor-derived effector T cells and blocked the killing of host-derived immune cells while promoting Foxp3+ regulatory T cells. Impaired hematopoiesis seen during GVHD was rescued by treatment with THC. The ability of THC to reduce the clinical GVHD was reversed, at least in part, by administration of cannabinoid receptor (CB) 1 and CB2 antagonists, thereby demonstrating that THC-mediated amelioration of GVHD was cannabinoid receptor-dependent. Our results demonstrate for the first time that targeting cannabinoid receptors may constitute a novel treatment modality against acute GVHD.

Footnotes

  • This work was supported by the National Institutes of Health National Institute on Drug Abuse [Grant R01-DA016545] and the National Institutes of Health National Center For Complementary and Alternative Medicine [Grant P01-AT003961].

  • Article, publication date, and citation information can be found at http://jpet.aspetjournals.org.

    doi:10.1124/jpet.111.182717.

  • ABBREVIATIONS:

    GVHD
    graft-versus-host disease
    CB
    cannabinoid receptor
    PE
    phycoerythrin
    THC
    Δ9-tetrahydrocannabinol
    TUNEL
    terminal deoxynucleotidyl transferase dUTP nick end labeling
    IFN
    interferon
    IL
    interleukin
    PBS
    phosphate-buffered saline
    ELISA
    enzyme-linked immunosorbent assay
    Th
    T helper
    Treg
    regulatory T cell
    CFU-GM
    colony-forming unit-granulocyte macrophage
    CTL
    cytotoxic T lymphocyte
    VEH
    vehicle
    AM251
    N-(piperidin-1-yl)-5-(4-iodophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxamide
    SR144528
    5-(4-chloro-3-methylphenyl)-1-[(4-methylphenyl)methyl]-N-[(1S,2S,4R)-1,3,3-trimethylbicyclo[2.2.1]hept-2-yl]-1H-pyrazole-3-carboxamide.

  • Received April 12, 2011.
  • Accepted June 10, 2011.
  • Copyright © 2011 by The American Society for Pharmacology and Experimental Therapeutics
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Journal of Pharmacology and Experimental Therapeutics: 338 (3)
Journal of Pharmacology and Experimental Therapeutics
Vol. 338, Issue 3
1 Sep 2011
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Research ArticleInflammation, Immunopharmacology, and Asthma

Targeting Cannabinoid Receptors as a Novel Approach in the Treatment of Graft-versus-Host Disease: Evidence from an Experimental Murine Model

Rupal Pandey, Venkatesh L. Hegde, Mitzi Nagarkatti and Prakash S. Nagarkatti
Journal of Pharmacology and Experimental Therapeutics September 1, 2011, 338 (3) 819-828; DOI: https://doi.org/10.1124/jpet.111.182717

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Research ArticleInflammation, Immunopharmacology, and Asthma

Targeting Cannabinoid Receptors as a Novel Approach in the Treatment of Graft-versus-Host Disease: Evidence from an Experimental Murine Model

Rupal Pandey, Venkatesh L. Hegde, Mitzi Nagarkatti and Prakash S. Nagarkatti
Journal of Pharmacology and Experimental Therapeutics September 1, 2011, 338 (3) 819-828; DOI: https://doi.org/10.1124/jpet.111.182717
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