Methamphetamine Use in HIV-infected Individuals Affects T-cell Function and Viral Outcome during Suppressive Antiretroviral Therapy. Massanella, M., Gianella, S., Schrier, R., Dan, J. M., Pérez-Santiago, J., Oliveira, M. F., Richman, D. D., Little, S. J., Benson, C. A., Daar, E. S., Dube, M. P., Haubrich, R. H., Smith, D. M., & Morris, S. R. Scientific Reports, 5:13179, August, 2015. doi abstract bibtex We investigated the associations between methamphetamine (meth) use, immune function, and the dynamics of HIV and cytomegalovirus [CMV] in the blood and genital tract of HIV-infected ART-suppressed subjects. Self-reported meth use was associated with increased CD4(+) and CD8(+) T-cell proliferation (Ki67(+), p \textless 0.005), CD4(+) T-cell activation (CD45RA(-)CD38(+), p = 0.005) and exhaustion (PD-1(+), p = 0.0004) in blood, compared to non-meth users. Meth use was also associated with a trend towards higher blood HIV DNA levels (p = 0.09) and more frequent shedding of CMV in seminal plasma (p = 0.002). To explore possible mechanisms, we compared ex vivo spontaneous and antigen-specific proliferation in PBMC collected from subjects with and without positive meth detection in urine (Utox+ vs. Utox-). Despite higher levels of spontaneous proliferation, lymphocytes from Utox+ meth users had a significantly lower proliferative capacity after stimulation with a number of pathogens (CMV, candida, mycobacterium, toxoplasma, HIV, p \textless 0.04 in all cases), compared to Utox- participants. Our findings suggest that meth users have greater proliferation and exhaustion of the immune system. Meth use is also associated with a loss of control of CMV replication, which could be related to loss of immune response to pathogens. Future studies should consider meth use as a potential modulator of T-cell responses.
@article{massanella_methamphetamine_2015,
title = {Methamphetamine {Use} in {HIV}-infected {Individuals} {Affects} {T}-cell {Function} and {Viral} {Outcome} during {Suppressive} {Antiretroviral} {Therapy}},
volume = {5},
issn = {2045-2322},
doi = {10.1038/srep13179},
abstract = {We investigated the associations between methamphetamine (meth) use, immune function, and the dynamics of HIV and cytomegalovirus [CMV] in the blood and genital tract of HIV-infected ART-suppressed subjects. Self-reported meth use was associated with increased CD4(+) and CD8(+) T-cell proliferation (Ki67(+), p {\textless} 0.005), CD4(+) T-cell activation (CD45RA(-)CD38(+), p = 0.005) and exhaustion (PD-1(+), p = 0.0004) in blood, compared to non-meth users. Meth use was also associated with a trend towards higher blood HIV DNA levels (p = 0.09) and more frequent shedding of CMV in seminal plasma (p = 0.002). To explore possible mechanisms, we compared ex vivo spontaneous and antigen-specific proliferation in PBMC collected from subjects with and without positive meth detection in urine (Utox+ vs. Utox-). Despite higher levels of spontaneous proliferation, lymphocytes from Utox+ meth users had a significantly lower proliferative capacity after stimulation with a number of pathogens (CMV, candida, mycobacterium, toxoplasma, HIV, p {\textless} 0.04 in all cases), compared to Utox- participants. Our findings suggest that meth users have greater proliferation and exhaustion of the immune system. Meth use is also associated with a loss of control of CMV replication, which could be related to loss of immune response to pathogens. Future studies should consider meth use as a potential modulator of T-cell responses.},
language = {eng},
journal = {Scientific Reports},
author = {Massanella, Marta and Gianella, Sara and Schrier, Rachel and Dan, Jennifer M. and Pérez-Santiago, Josué and Oliveira, Michelli F. and Richman, Douglas D. and Little, Susan J. and Benson, Constance A. and Daar, Eric S. and Dube, Michael P. and Haubrich, Richard H. and Smith, Davey M. and Morris, Sheldon R.},
month = aug,
year = {2015},
pmid = {26299251},
pmcid = {PMC4547398},
keywords = {Adult, Antiretroviral Therapy, Highly Active, Case-Control Studies, Cell Proliferation, DNA, Viral, HIV Antigens, HIV Infections, Humans, Methamphetamine, Middle Aged, Monocytes, Receptors, CCR5, T-Lymphocytes, Treatment Outcome},
pages = {13179},
}
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R."],"year":2015,"bibtype":"article","biburl":"https://bibbase.org/zotero/ucsdpirc","bibdata":{"bibtype":"article","type":"article","title":"Methamphetamine Use in HIV-infected Individuals Affects T-cell Function and Viral Outcome during Suppressive Antiretroviral Therapy","volume":"5","issn":"2045-2322","doi":"10.1038/srep13179","abstract":"We investigated the associations between methamphetamine (meth) use, immune function, and the dynamics of HIV and cytomegalovirus [CMV] in the blood and genital tract of HIV-infected ART-suppressed subjects. Self-reported meth use was associated with increased CD4(+) and CD8(+) T-cell proliferation (Ki67(+), p \\textless 0.005), CD4(+) T-cell activation (CD45RA(-)CD38(+), p = 0.005) and exhaustion (PD-1(+), p = 0.0004) in blood, compared to non-meth users. Meth use was also associated with a trend towards higher blood HIV DNA levels (p = 0.09) and more frequent shedding of CMV in seminal plasma (p = 0.002). To explore possible mechanisms, we compared ex vivo spontaneous and antigen-specific proliferation in PBMC collected from subjects with and without positive meth detection in urine (Utox+ vs. Utox-). Despite higher levels of spontaneous proliferation, lymphocytes from Utox+ meth users had a significantly lower proliferative capacity after stimulation with a number of pathogens (CMV, candida, mycobacterium, toxoplasma, HIV, p \\textless 0.04 in all cases), compared to Utox- participants. Our findings suggest that meth users have greater proliferation and exhaustion of the immune system. Meth use is also associated with a loss of control of CMV replication, which could be related to loss of immune response to pathogens. Future studies should consider meth use as a potential modulator of T-cell responses.","language":"eng","journal":"Scientific Reports","author":[{"propositions":[],"lastnames":["Massanella"],"firstnames":["Marta"],"suffixes":[]},{"propositions":[],"lastnames":["Gianella"],"firstnames":["Sara"],"suffixes":[]},{"propositions":[],"lastnames":["Schrier"],"firstnames":["Rachel"],"suffixes":[]},{"propositions":[],"lastnames":["Dan"],"firstnames":["Jennifer","M."],"suffixes":[]},{"propositions":[],"lastnames":["Pérez-Santiago"],"firstnames":["Josué"],"suffixes":[]},{"propositions":[],"lastnames":["Oliveira"],"firstnames":["Michelli","F."],"suffixes":[]},{"propositions":[],"lastnames":["Richman"],"firstnames":["Douglas","D."],"suffixes":[]},{"propositions":[],"lastnames":["Little"],"firstnames":["Susan","J."],"suffixes":[]},{"propositions":[],"lastnames":["Benson"],"firstnames":["Constance","A."],"suffixes":[]},{"propositions":[],"lastnames":["Daar"],"firstnames":["Eric","S."],"suffixes":[]},{"propositions":[],"lastnames":["Dube"],"firstnames":["Michael","P."],"suffixes":[]},{"propositions":[],"lastnames":["Haubrich"],"firstnames":["Richard","H."],"suffixes":[]},{"propositions":[],"lastnames":["Smith"],"firstnames":["Davey","M."],"suffixes":[]},{"propositions":[],"lastnames":["Morris"],"firstnames":["Sheldon","R."],"suffixes":[]}],"month":"August","year":"2015","pmid":"26299251","pmcid":"PMC4547398","keywords":"Adult, Antiretroviral Therapy, Highly Active, Case-Control Studies, Cell Proliferation, DNA, Viral, HIV Antigens, HIV Infections, Humans, Methamphetamine, Middle Aged, Monocytes, Receptors, CCR5, T-Lymphocytes, Treatment Outcome","pages":"13179","bibtex":"@article{massanella_methamphetamine_2015,\n\ttitle = {Methamphetamine {Use} in {HIV}-infected {Individuals} {Affects} {T}-cell {Function} and {Viral} {Outcome} during {Suppressive} {Antiretroviral} {Therapy}},\n\tvolume = {5},\n\tissn = {2045-2322},\n\tdoi = {10.1038/srep13179},\n\tabstract = {We investigated the associations between methamphetamine (meth) use, immune function, and the dynamics of HIV and cytomegalovirus [CMV] in the blood and genital tract of HIV-infected ART-suppressed subjects. Self-reported meth use was associated with increased CD4(+) and CD8(+) T-cell proliferation (Ki67(+), p {\\textless} 0.005), CD4(+) T-cell activation (CD45RA(-)CD38(+), p = 0.005) and exhaustion (PD-1(+), p = 0.0004) in blood, compared to non-meth users. Meth use was also associated with a trend towards higher blood HIV DNA levels (p = 0.09) and more frequent shedding of CMV in seminal plasma (p = 0.002). To explore possible mechanisms, we compared ex vivo spontaneous and antigen-specific proliferation in PBMC collected from subjects with and without positive meth detection in urine (Utox+ vs. Utox-). Despite higher levels of spontaneous proliferation, lymphocytes from Utox+ meth users had a significantly lower proliferative capacity after stimulation with a number of pathogens (CMV, candida, mycobacterium, toxoplasma, HIV, p {\\textless} 0.04 in all cases), compared to Utox- participants. 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