Abstract:
:Acute morphine administration is known to alter the course of herpes simplex virus infection. In this study, the effect of acute morphine administration on the reactivation of latent herpes was investigated in a mouse model. Because of the important role of cytolytic T lymphocyte (CTL) activity in the inhibition of herpes simplex virus type 1 (HSV-1) reactivation, the effect of acute morphine administration on CTL responses was also evaluated. Furthermore, lymphocyte proliferation and IFN-gamma production were evaluated for their roles in the induction of the CTL response. The findings showed that acute morphine administration significantly reduced CTL responses, lymphocyte proliferation, and IFN-gamma production. Furthermore, acute morphine administration has been shown to reactivate latent HSV-1. Previous studies have shown that cellular immune responses have important roles in the inhibition of HSV reactivation. These findings suggest that suppression of a portion of the cellular immune response after acute morphine administration may constitute one part of the mechanism that induces HSV reactivation.
journal_name
Cell Mol Immunoljournal_title
Cellular & molecular immunologyauthors
Mojadadi S,Jamali A,Khansarinejad B,Soleimanjahi H,Bamdad Tdoi
10.1038/cmi.2009.15subject
Has Abstractpub_date
2009-04-01 00:00:00pages
111-6issue
2eissn
1672-7681issn
2042-0226journal_volume
6pub_type
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