Morphine disrupts macrophage functions even during HIV infection
Journal of Leukocyte Biology, ISSN: 1938-3673, Vol: 112, Issue: 5, Page: 1317-1328
2022
- 3Citations
- 4Captures
- 1Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Most Recent News
Investigators from Albert Einstein College of Medicine Have Reported New Data on Opioids (Morphine Disrupts Macrophage Functions Even During Hiv Infection)
2022 NOV 04 (NewsRx) -- By a News Reporter-Staff News Editor at AIDS Daily -- New research on Opioids is the subject of a report.
Article Description
HIV-associated neurocognitive impairment (HIV-NCI) is a debilitating comorbidity that reduces quality of life in 15–40% of people with HIV (PWH) taking antiretroviral therapy (ART). Opioid use has been shown to increase neurocognitive deficits in PWH. Monocyte-derived macrophages (MDMs) harbor HIV in the CNS even in PWH on ART. We hypothesized that morphine (MOR), a metabolite of heroin, further dysregulates functional processes in MDMs to increase neuropathogenesis. We found that, in uninfected and HIV-infected primary human MDMs, MOR activates these cells by increasing phagocytosis and up-regulating reactive oxygen species. Effects of MOR on phagocytosis were dependent on μ-opioid receptor activity and were mediated, in part, by inhibited lysosomal degradation of phagocytized substrates. All results persisted when cells were treated with both MOR and a commonly prescribed ART cocktail, suggesting minimal impact of ART during opioid exposure. We then performed mass spectrometry in HIV-infected MDMs treated with or without MOR to determine proteomic changes that suggest additional mechanisms by which opioids affect macrophage homeostasis. Using downstream pathway analyses, we found that MOR dysregulates ER quality control and extracellular matrix invasion. Our data indicate that MOR enhances inflammatory functions and impacts additional cellular processes in HIV-infected MDMs to potentially increases neuropathogenesis in PWH using opioids.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85139397606&origin=inward; http://dx.doi.org/10.1002/jlb.3ma0522-273rr; http://www.ncbi.nlm.nih.gov/pubmed/36205434; https://academic.oup.com/jleukbio/article/112/5/1317/6976213; https://dx.doi.org/10.1002/jlb.3ma0522-273rr; https://academic.oup.com/jleukbio/article-abstract/112/5/1317/6976213?redirectedFrom=fulltext
Oxford University Press (OUP)
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