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Osna NA, Poluektova LY. Elucidating the role of extracellular vesicles in liver injury induced by HIV. Expert Rev Gastroenterol Hepatol 2023; 17:701-708. [PMID: 37378531 PMCID: PMC10528210 DOI: 10.1080/17474124.2023.2230867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/26/2023] [Accepted: 06/26/2023] [Indexed: 06/29/2023]
Abstract
INTRODUCTION Liver disease is known as one of the leading co-morbidities in HIV infection, with 18% of non-AIDS-related mortality. There is constant crosstalk between liver parenchymal (hepatocytes) and non-parenchymal cells (macrophages, hepatic stellate cells, endothelial cells), and extracellular vesicles (EVs) are one of the most important ways of cell-to-cell communication. AREAS COVERED We briefly cover the role of EVs in liver disease as well as what is known about the role of small EVs, exosomes, in HIV-induced liver disease potentiated by alcohol as one of the second hits. We also touch large EVs, apoptotic bodies (ABs), in HIV-induced liver injury, the mechanisms of their formation and potentiation by second hits, and their role in the progression of liver disease. EXPERT OPINION/COMMENTARY Liver cells are an important source of EVs, which may provide the connection between different organs via secretion into the circulating blood (exosomes) or serve for the communication between the cells within the organ (ABs). Understanding the role of liver EVs in HIV infection and the involvement of second hits in EV generation would provide a new angle for the analysis of HIV-related liver disease pathogenesis and progression to end-stage liver disease.
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Affiliation(s)
- Natalia A. Osna
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE 68105, USA
- Department of Internal Medicine, the University of Nebraska Medical Center, Omaha, NE 68105, USA
- Department of Pharmacology and Experimental Neuroscience, the University of Nebraska Medical Center, Omaha, NE 68105, USA
| | - Larisa Y. Poluektova
- Department of Pharmacology and Experimental Neuroscience, the University of Nebraska Medical Center, Omaha, NE 68105, USA
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Hepatic, Extrahepatic and Extracellular Vesicle Cytochrome P450 2E1 in Alcohol and Acetaminophen-Mediated Adverse Interactions and Potential Treatment Options. Cells 2022; 11:cells11172620. [PMID: 36078027 PMCID: PMC9454765 DOI: 10.3390/cells11172620] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/03/2022] [Accepted: 08/19/2022] [Indexed: 12/15/2022] Open
Abstract
Alcohol and several therapeutic drugs, including acetaminophen, are metabolized by cytochrome P450 2E1 (CYP2E1) into toxic compounds. At low levels, these compounds are not detrimental, but higher sustained levels of these compounds can lead to life-long problems such as cytotoxicity, organ damage, and cancer. Furthermore, CYP2E1 can facilitate or enhance the effects of alcohol-drug and drug-drug interactions. In this review, we discuss the role of CYP2E1 in the metabolism of alcohol and drugs (with emphasis on acetaminophen), mediating injury/toxicities, and drug-drug/alcohol-drug interactions. Next, we discuss various compounds and various nutraceuticals that can reduce or prevent alcohol/drug-induced toxicity. Additionally, we highlight experimental outcomes of alcohol/drug-induced toxicity and potential treatment strategies. Finally, we cover the role and implications of extracellular vesicles (EVs) containing CYP2E1 in hepatic and extrahepatic cells and provide perspectives on the clinical relevance of EVs containing CYP2E1 in intracellular and intercellular communications leading to drug-drug and alcohol-drug interactions. Furthermore, we provide our perspectives on CYP2E1 as a druggable target using nutraceuticals and the use of EVs for targeted drug delivery in extrahepatic and hepatic cells, especially to treat cellular toxicity.
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Osna NA, Eguchi A, Feldstein AE, Tsukamoto H, Dagur RS, Ganesan M, New-Aaron M, Arumugam MK, Chava S, Ribeiro M, Szabo G, Mueller S, Wang S, Chen C, Weinman SA, Kharbanda KK. Cell-to-Cell Communications in Alcohol-Associated Liver Disease. Front Physiol 2022; 13:831004. [PMID: 35264978 PMCID: PMC8899290 DOI: 10.3389/fphys.2022.831004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/26/2022] [Indexed: 02/05/2023] Open
Abstract
This review covers some important new aspects of the alcohol-induced communications between liver parenchymal and non-parenchymal cells leading to liver injury development. The information exchange between various cell types may promote end-stage liver disease progression and involves multiple mechanisms, such as direct cell-to-cell interactions, extracellular vesicles (EVs) or chemokines, cytokines, and growth factors contained in extracellular fluids/cell culture supernatants. Here, we highlighted the role of EVs derived from alcohol-exposed hepatocytes (HCs) in activation of non-parenchymal cells, liver macrophages (LM), and hepatic stellate cells (HSC). The review also concentrates on EV-mediated crosstalk between liver parenchymal and non-parenchymal cells in the settings of HIV- and alcohol co-exposure. In addition, we overviewed the literature on the crosstalk between cell death pathways and inflammasome activation in alcohol-activated HCs and macrophages. Furthermore, we covered highly clinically relevant studies on the role of non-inflammatory factors, sinusoidal pressure (SP), and hepatic arterialization in alcohol-induced hepatic fibrogenesis. We strongly believe that the review will disclose major mechanisms of cell-to-cell communications pertained to alcohol-induced liver injury progression and will identify therapeutically important targets, which can be used for alcohol-associated liver disease (ALD) prevention.
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Affiliation(s)
- Natalia A. Osna
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Akiko Eguchi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Ariel E. Feldstein
- Department of Pediatrics, University of California, San Diego, San Diego, CA, United States
| | - Hidekazu Tsukamoto
- Southern California Research Center for ALPD and Cirrhosis and Department of Pathology, Keck School of Medicine of the University of Southern California, Los Angeles, CA, United States
- Greater Los Angeles VA HealthCare System, Los Angeles, CA, United States
| | - Raghubendra S. Dagur
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Murali Ganesan
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Moses New-Aaron
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Environmental Health, Occupational Health, and Toxicology, College of Public Health, University of Nebraska Medical Center, Omaha, NE, United States
| | - Madan Kumar Arumugam
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Srinivas Chava
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Marcelle Ribeiro
- Harvard Medical School and Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Gyongyi Szabo
- Harvard Medical School and Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Sebastian Mueller
- Salem Medical Center and Center for Alcohol Research, University of Heidelberg, Heidelberg, Germany
| | - Shijin Wang
- Salem Medical Center and Center for Alcohol Research, University of Heidelberg, Heidelberg, Germany
| | - Cheng Chen
- Salem Medical Center and Center for Alcohol Research, University of Heidelberg, Heidelberg, Germany
| | - Steven A. Weinman
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Kusum K. Kharbanda
- Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, United States
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Kalada W, Cory TJ. The Importance of Tissue Sanctuaries and Cellular Reservoirs of HIV-1. Curr HIV Res 2021; 20:102-110. [PMID: 34961449 DOI: 10.2174/1570162x20666211227161237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 11/30/2021] [Indexed: 11/22/2022]
Abstract
Purpose of Review - There have been significant developments in the treatment of people living with HIV-1/AIDS with current antiretroviral therapies; however, these developments have not been able to achieve a functional or sterilizing cure for HIV-1. While there are multiple barriers, one such barrier is the existence of pharmacological sanctuaries and viral reservoirs where the concentration of antiretrovirals is suboptimal, which includes the gut-associated lymphoid tissue, central nervous system, lymph nodes, and myeloid cells. This review will focus on illustrating the significance of these sanctuaries, specific barriers to optimal antiretroviral concentrations in each of these sites, and potential strategies to overcome these barriers. Recent Findings - Research and studies have shown that a uniform antiretroviral distribution is not achieved with current therapies. This may allow for low-level replication associated with low antiretroviral concentrations in these sanctuaries/reservoirs. Many methods are being investigated to increase antiretroviral concentrations in these sites, such as blocking transporting enzymes functions, modulating transporter expression and nanoformulations of current antiretrovirals. While these methods have been shown to increase antiretroviral concentrations in the sanctuaries/reservoirs, no functional or sterilizing cure has been achieved due to these approaches. Summary - New methods of increasing antiretroviral concentrations at the specific sites of HIV-1 replication has the potential to target cellular reservoirs. In order to optimize antiretroviral distribution into viral sanctuaries/reservoirs, additional research is needed.
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Affiliation(s)
- William Kalada
- Department of Clinical Pharmacy and Translational Science, University of Tennessee Health Science Center College of Pharmacy. 881 Madison Avenue, Memphis, TN, USA
| | - Theodore James Cory
- Department of Clinical Pharmacy and Translational Science, University of Tennessee Health Science Center College of Pharmacy. 881 Madison Avenue, Memphis, TN, USA
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Possible mechanisms of HIV neuro-infection in alcohol use: Interplay of oxidative stress, inflammation, and energy interruption. Alcohol 2021; 94:25-41. [PMID: 33864851 DOI: 10.1016/j.alcohol.2021.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/05/2021] [Accepted: 04/01/2021] [Indexed: 11/21/2022]
Abstract
Alcohol use and HIV-1 infection have a pervasive impact on brain function, which extends to the requirement, distribution, and utilization of energy within the central nervous system. This effect on neuroenergetics may explain, in part, the exacerbation of HIV-1 disease under the influence of alcohol, particularly the persistence of HIV-associated neurological complications. The objective of this review article is to highlight the possible mechanisms of HIV/AIDS progression in alcohol users from the perspective of oxidative stress, neuroinflammation, and interruption of energy metabolism. These include the hallmark of sustained immune cell activation and high metabolic energy demand by HIV-1-infected cells in the central nervous system, with at-risk alcohol use. Here, we discussed the point that the increase in energy supply requirement by HIV-1-infected neuroimmune cells as well as the deterrence of nutrient uptake across the blood-brain barrier significantly depletes the energy source and neuro-environment homeostasis in the CNS. We also described the mechanistic idea that comorbidity of HIV-1 infection and alcohol use can cause a metabolic shift and redistribution of energy usage toward HIV-1-infected neuroimmune cells, as shown in neuropathological evidence. Under such an imbalanced neuro-environment, meaningless energy waste is expected in infected cells, along with unnecessary malnutrition in non-infected neuronal cells, which is likely to accelerate HIV neuro-infection progression in alcohol use. Thus, it will be important to consider the factor of nutrients/energy imbalance in formulating treatment strategies to help impede the progression of HIV-1 disease and associated neurological disorders in alcohol use.
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Kumar A, Zhou L, Zhi K, Raji B, Pernell S, Tadrous E, Kodidela S, Nookala A, Kochat H, Kumar S. Challenges in Biomaterial-Based Drug Delivery Approach for the Treatment of Neurodegenerative Diseases: Opportunities for Extracellular Vesicles. Int J Mol Sci 2020; 22:E138. [PMID: 33375558 PMCID: PMC7795247 DOI: 10.3390/ijms22010138] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/19/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023] Open
Abstract
Biomaterials have been the subject of numerous studies to pursue potential therapeutic interventions for a wide variety of disorders and diseases. The physical and chemical properties of various materials have been explored to develop natural, synthetic, or semi-synthetic materials with distinct advantages for use as drug delivery systems for the central nervous system (CNS) and non-CNS diseases. In this review, an overview of popular biomaterials as drug delivery systems for neurogenerative diseases is provided, balancing the potential and challenges associated with the CNS drug delivery. As an effective drug delivery system, desired properties of biomaterials are discussed, addressing the persistent challenges such as targeted drug delivery, stimuli responsiveness, and controlled drug release in vivo. Finally, we discuss the prospects and limitations of incorporating extracellular vesicles (EVs) as a drug delivery system and their use for biocompatible, stable, and targeted delivery with limited immunogenicity, as well as their ability to be delivered via a non-invasive approach for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Asit Kumar
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
| | - Lina Zhou
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
| | - Kaining Zhi
- Plough Center for Sterile Drug Delivery Solutions, University of Tennessee Health Science Center, Memphis, TN 38104, USA; (K.Z.); (B.R.); (H.K.)
| | - Babatunde Raji
- Plough Center for Sterile Drug Delivery Solutions, University of Tennessee Health Science Center, Memphis, TN 38104, USA; (K.Z.); (B.R.); (H.K.)
| | - Shelby Pernell
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
| | - Erene Tadrous
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
| | - Sunitha Kodidela
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
| | | | - Harry Kochat
- Plough Center for Sterile Drug Delivery Solutions, University of Tennessee Health Science Center, Memphis, TN 38104, USA; (K.Z.); (B.R.); (H.K.)
| | - Santosh Kumar
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA; (L.Z.); (S.P.); (E.T.); (S.K.)
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Siregar AS, Nyiramana MM, Kim EJ, Shin EJ, Woo MS, Kim JM, Kim JH, Lee DK, Hahm JR, Kim HJ, Kim CW, Kim NG, Park SH, Choi YJ, Kang SS, Hong SG, Han J, Kang D. Dipeptide YA is Responsible for the Positive Effect of Oyster Hydrolysates on Alcohol Metabolism in Single Ethanol Binge Rodent Models. Mar Drugs 2020; 18:md18100512. [PMID: 33050644 PMCID: PMC7601867 DOI: 10.3390/md18100512] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 12/15/2022] Open
Abstract
Accumulative alcohol hangovers cause liver damage through oxidative and inflammatory stress. Numerous antioxidant and anti-inflammatory reagents have been developed to reduce alcohol hangovers, but these reagents are still insignificant and have limitations in that they can cause liver toxicity. Oyster hydrolysate (OH), another reagent that has antioxidant and anti-inflammatory activity, is a product extracted through an enzymatic hydrolysis process from oysters (Crassostrea gigas), which can be easily eaten in meals. This study was aimed at determining the effects of OH on alcohol metabolism, using a single high dose of ethanol (EtOH) administered to rodents, by monitoring alcohol metabolic enzymes, oxidative stress signals, and inflammatory mediators. The effect of tyrosine-alanine (YA) peptide, a main component of OH, on EtOH metabolism was also identified. In vitro experiments showed that OH pretreatment inhibited EtOH-induced cell death, oxidative stress, and inflammation in liver cells and macrophages. In vivo experiments showed that OH and YA pre-administration increased alcohol dehydrogenase, aldehyde dehydrogenase, and catalase activity in EtOH binge treatment. In addition, OH pre-administration alleviated CYP2E1 activity, ROS production, apoptotic signals, and inflammatory mediators in liver tissues. These results showed that OH and YA enhanced EtOH metabolism and had a protective effect against acute alcohol liver damage. Our findings offer new insights into a single high dose of EtOH drinking and suggest that OH and YA could be used as potential marine functional foods to prevent acute alcohol-induced liver damage.
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Affiliation(s)
- Adrian S. Siregar
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
| | - Marie Merci Nyiramana
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
| | - Eun-Jin Kim
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
| | - Eui-Jung Shin
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
| | - Min Seok Woo
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
| | - Jin-Mok Kim
- Department of Clinical Laboratory Science, Masan University, Changwon 2640, Korea;
| | - Jung Hwan Kim
- Department of Premedicine, College of Medicine, Gyeongsang National University, Jinju 52727, Korea;
| | - Dong Kun Lee
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
| | - Jong Ryeal Hahm
- Department of Internal Medicine, Hospital and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea;
| | - Hyun Joon Kim
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
- Department of Anatomy and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea
| | - Chang-Woon Kim
- Department of Obstetrics and Gynecology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon 51353, Korea;
| | - Nam-Gil Kim
- Department of Marine Biology and Aquaculture and Institute of Marine Industry, Gyeongsang National University, Tongyeong 53064, Korea;
| | - Si-Hyang Park
- Sunmarin Biotech, Jinju Bioindustry Foundation, Jinju 52839, Korea;
| | - Yeung Joon Choi
- Ocean-Pep, Jinju Bioindustry Foundation, Jinju 52839, Korea;
| | - Sang Soo Kang
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
- Department of Anatomy and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea
| | - Seong-Geun Hong
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
| | - Jaehee Han
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
| | - Dawon Kang
- Department of Physiology and Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea; (A.S.S.); (M.M.N.); (E.-J.K.); (E.-J.S.); (M.S.W.); (D.K.L.); (S.-G.H.); (J.H.)
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Korea; (H.J.K.); (S.S.K.)
- Correspondence:
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Rahman MA, Kodidela S, Sinha N, Haque S, Shukla PK, Rao R, Kumar S. Plasma exosomes exacerbate alcohol- and acetaminophen-induced toxicity via CYP2E1 pathway. Sci Rep 2019; 9:6571. [PMID: 31024054 PMCID: PMC6484097 DOI: 10.1038/s41598-019-43064-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 04/08/2019] [Indexed: 01/09/2023] Open
Abstract
Cellular CYP2E1 is well-known to mediate alcohol- (ALC) and acetaminophen- (APAP) induced toxicity in hepatic and extra-hepatic cells. Although exosomes have been gaining importance in understanding mechanism of intra- and inter-cellular communication, the functional role of drug metabolizing cytochrome P450 (CYP) enzymes in human plasma exosomes are yet to be explored. In our previous study, we reported that human plasma-derived exosomes contain substantial level of functional CYP2E1. In the current project, we investigated the potential role of plasma exosomal CYP2E1 in mediating ALC- and APAP-induced toxicity. We treated hepatic and extra-hepatic (monocytic) cells with exosomes ± ALC/APAP. We observed that the plasma exosomes containing CYP2E1 cargo further exacerbate ALC- and APAP-induced toxicity in both hepatic and monocytic cells. Further, both exosomes- and ALC/APAP-induced toxicity was reduced/abolished by a selective inhibitor of CYP2E1 enzyme activity (diallyl ether). However, only ALC-, but not exosome-induced toxicity was reduced/abolished by CYP2E1 siRNA. These findings suggest that ALC/APAP-induced toxicity in the presence of exosomes are mediated, at least in part, by CYP2E1 enzyme. To validate these in vitro findings, we characterized plasma exosomal contents in a binge-drinking animal model and their effect on ALC/APAP-induced toxicity in monocytic cells. Our results showed that ALC exposure caused a significant induction of the plasma exosomal CYP2E1 level in a binge drinking murine model. These exosomes containing increased levels of CYP2E1 caused significant toxicity in monocytic cells compared to exosomes derived from control mice. Overall, our results showed an important role of exosomal CYP2E1 in exacerbating ALC- and APAP-induced toxicity. The study is significant in terms of understanding the role of exosomal CYP2E1 in cell-cell interactions, and their effects on drug-induced toxicity.
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Affiliation(s)
- Mohammad A Rahman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Sunitha Kodidela
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Namita Sinha
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Sanjana Haque
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Pradeep K Shukla
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Radhakrishna Rao
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Santosh Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
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