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Characterization of Human Monocyte-derived Dendritic Cells by Imaging Flow Cytometry: A Comparison between Two Monocyte Isolation Protocols
Published on: October 18, 2016
Methamphetamine modulates gene expression patterns in monocyte derived mature dendritic cells: implications for HIV-1
Supriya D Mahajan1, Zihua Hu, Jessica L Reynolds
1Department of Medicine, Division of Allergy, Immunology, and Rheumatology, Buffalo General Hospital, Buffalo, New York 14203, USA. smahajan@buffalo.edu
Molecular Diagnosis & Therapy
|August 4, 2006
Summary
Methamphetamine use alters immune cell gene expression, impacting host defense and HIV-1 pathogenesis. This study identifies specific genes modulated by methamphetamine, offering potential therapeutic targets for HIV-1-infected individuals.
Area of Science:
- Immunology
- Molecular Biology
- Genomics
Background:
- Methamphetamine (MA) use is a growing epidemic in the US, increasing HIV-1 infection risk.
- Dendritic cells (DCs) are crucial for immune defense against HIV-1 but can also serve as viral reservoirs.
- MA exposure modulates immune functions, potentially exacerbating HIV-1 pathogenesis.
Purpose of the Study:
- To investigate the molecular mechanisms by which methamphetamine influences immune function.
- To identify specific genes modulated by methamphetamine in dendritic cells.
- To explore the role of methamphetamine as a cofactor in HIV-1 pathogenesis.
Main Methods:
- Utilized high-throughput gene microarray analysis to assess genomic changes in DCs treated with methamphetamine.
- Validated microarray findings using quantitative real-time PCR and Western blot analysis.
Main Results:
- Demonstrated that methamphetamine modulates DC gene expression across various functional categories.
- Identified significant alterations in genes related to chemokine regulation, cytokinesis, signal transduction, apoptosis, and cell cycle.
- Highlighted specific genes modulated by methamphetamine associated with HIV-1 pathogenesis.
Conclusions:
- Methamphetamine abuse in HIV-1-infected patients leads to complex immunomodulatory changes.
- Identified molecular mechanisms underlying methamphetamine toxicity and its role in HIV-1 immunopathogenesis.
- Discovered novel DC-specific, methamphetamine-responsive genes that could serve as drug targets for methamphetamine and/or HIV-1 treatment.
