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Yin CS, Minh Nguyen TT, Yi EJ, Zheng S, Bellere AD, Zheng Q, Jin X, Kim M, Park S, Oh S, Yi TH. Efficacy of probiotics in hair growth and dandruff control: A systematic review and meta-analysis. Heliyon 2024; 10:e29539. [PMID: 38698995 PMCID: PMC11064082 DOI: 10.1016/j.heliyon.2024.e29539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 05/05/2024] Open
Abstract
Background Probiotics are intellectually rewarding for the discovery of their potential as a source of functional food. Investigating the economic and beauty sector dynamics, this study conducted a comprehensive review of scholarly articles to evaluate the capacity of probiotics to promote hair growth and manage dandruff. Methods We used the PRISMA 2020 with Embase, Pubmed, ClinicalTrials.gov, Scopus, and ICTRP databases to investigate studies till May 2023. Meta-analyses utilizing the random effects model were used with odds ratios (OR) and standardized mean differences (SMD). Result Meta-analysis comprised eight randomized clinical trials and preclinical studies. Hair growth analysis found a non-significant improvement in hair count (SMD = 0.32, 95 % CI -0.10 to 0.75) and a significant effect on thickness (SMD = 0.92, 95 % CI 0.47 to 1.36). In preclinical studies, probiotics significantly induced hair follicle count (SMD = 3.24, 95 % CI 0.65 to 5.82) and skin thickness (SMD = 2.32, 95 % CI 0.47 to 4.17). VEGF levels increased significantly (SMD = 2.97, 95 % CI 0.80 to 5.13), while IGF-1 showed a non-significant inducement (SMD = 0.53, 95 % CI -4.40 to 5.45). For dandruff control, two studies demonstrated non-significant improvement in adherent dandruff (OR = 1.31, 95 % CI 0.13-13.65) and a significant increase in free dandruff (OR = 5.39, 95 % CI 1.50-19.43). Hair follicle count, VEGF, IGF-1, and adherent dandruff parameters were recorded with high heterogeneity. For the systematic review, probiotics have shown potential in improving hair growth and controlling dandruff through modulation of the immune pathway and gut-hair axis. The Wnt/β-catenin pathway, IGF-1 pathway, and VEGF are key molecular pathways in regulating hair follicle growth and maintenance. Conclusions This review found significant aspects exemplified by the properties of probiotics related to promoting hair growth and anti-dandruff effect, which serve as a roadmap for further in-depth studies to make it into pilot scales.
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Affiliation(s)
- Chang-Shik Yin
- Acupuncture and Meridian Science Research Center, College of Oriental Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Trang Thi Minh Nguyen
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
| | - Eun-Ji Yi
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
- Snowwhitefactory Co, Ltd., 807 Nonhyeon-ro, Gangnam-gu, Seoul, 06032, Republic of Korea
| | - Shengdao Zheng
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
- Snowwhitefactory Co, Ltd., 807 Nonhyeon-ro, Gangnam-gu, Seoul, 06032, Republic of Korea
| | - Arce Defeo Bellere
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
| | - Qiwen Zheng
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
| | - Xiangji Jin
- Department of Pharmacology, School of Medicine, Kyung Hee University, 23 Kyungheedae-ro, Dong-daemun, Seoul, Republic of Korea
| | - Myeongju Kim
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
| | - Sejic Park
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
| | - Sarang Oh
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
- Snowwhitefactory Co, Ltd., 807 Nonhyeon-ro, Gangnam-gu, Seoul, 06032, Republic of Korea
| | - Tae-Hoo Yi
- Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin, Republic of Korea
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2
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Wei ZYD, Liang K, Shetty AK. Complications of COVID-19 on the Central Nervous System: Mechanisms and Potential Treatment for Easing Long COVID. Aging Dis 2023; 14:1492-1510. [PMID: 37163427 PMCID: PMC10529748 DOI: 10.14336/ad.2023.0312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/12/2023] [Indexed: 05/12/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) invades human cells by binding to the angiotensin-converting-enzyme-2 (ACE-2) using a spike protein and leads to Coronavirus disease-2019 (COVID-19). COVID-19 primarily causes a respiratory infection that can lead to severe systemic inflammation. It is also common for some patients to develop significant neurological and psychiatric symptoms. The spread of SARS-CoV-2 to the CNS likely occurs through several pathways. Once spread in the CNS, many acute symptoms emerge, and such infections could also transpire into severe neurological complications, including encephalitis or ischemic stroke. After recovery from the acute infection, a significant percentage of patients develop "long COVID," a condition in which several symptoms of COVID-19 persist for prolonged periods. This review aims to discuss acute and chronic neurological problems after SARS-CoV-2 infection. The potential mechanisms by which SARS-CoV-2 enters the CNS and causes neuroinflammation, neuropathological changes observed in post-mortem brains of COVID-19 patients, and cognitive and mood problems in COVID-19 survivors are discussed in the initial part. The later part of the review deliberates the causes of long COVID, approaches for noninvasive tracking of neuroinflammation in long COVID patients, and the potential therapeutic strategies that could ease enduring CNS symptoms observed in long COVID.
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Affiliation(s)
- Zhuang-Yao D Wei
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University Health Science Center School of Medicine, College Station, TX, USA
| | - Ketty Liang
- Sam Houston State University College of Osteopathic Medicine, Conroe, TX, USA
| | - Ashok K Shetty
- Institute for Regenerative Medicine, Department of Cell Biology and Genetics, Texas A&M University Health Science Center School of Medicine, College Station, TX, USA
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3
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Liu B, Kong Y, Shi W, Kuss M, Liao K, Hu G, Xiao P, Sankarasubramanian J, Guda C, Wang X, Lei Y, Duan B. Exosomes derived from differentiated human ADMSC with the Schwann cell phenotype modulate peripheral nerve-related cellular functions. Bioact Mater 2022; 14:61-75. [PMID: 35310346 PMCID: PMC8892082 DOI: 10.1016/j.bioactmat.2021.11.022] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 11/09/2021] [Accepted: 11/23/2021] [Indexed: 02/07/2023] Open
Abstract
Peripheral nerve regeneration remains a significant clinical challenge due to the unsatisfactory functional recovery and public health burden. Exosomes, especially those derived from mesenchymal stem cells (MSCs), are promising as potential cell-free therapeutics and gene therapy vehicles for promoting neural regeneration. In this study, we reported the differentiation of human adipose derived MSCs (hADMSCs) towards the Schwann cell (SC) phenotype (hADMSC-SCs) and then isolated exosomes from hADMSCs with and without differentiation (i.e., dExo vs uExo). We assessed and compared the effects of uExo and dExo on antioxidative, angiogenic, anti-inflammatory, and axon growth promoting properties by using various peripheral nerve-related cells. Our results demonstrated that hADMSC-SCs secreted more neurotrophic factors and other growth factors, compared to hADMSCs without differentiation. The dExo isolated from hADMSC-SCs protected rat SCs from oxidative stress and enhanced HUVEC migration and angiogenesis. Compared to uExo, dExo also had improved performances in downregulating pro-inflammatory gene expressions and cytokine secretions and promoting axonal growth of sensory neurons differentiated from human induced pluripotent stem cells. Furthermore, microRNA (miRNA) sequencing analysis revealed that exosomes and their parent cells shared some similarities in their miRNA profiles and exosomes displayed a distinct miRNA signature. Many more miRNAs were identified in dExo than in uExo. Several upregulated miRNAs, like miRNA-132-3p and miRNA-199b-5p, were highly related to neuroprotection, anti-inflammation, and angiogenesis. The dExo can effectively modulate various peripheral nerve-related cellular functions and is promising for cell-free biological therapeutics to enhance neural regeneration. Exosomes were isolated from hADMSCs with and without differentiation towards SC phenotype (i.e., dExo vs uExo). hADMSC-SCs secreted more growth factors compared to hADMSCs without differentiation. The dExo protected rat SCs from oxidative stress and enhanced endothelial cell migration and angiogenesis. dExo promoted axonal growth of sensory neurons differentiated from hiPSCs. miRNA sequencing analysis unveiled and compared the exosomal and cellular miRNA profiles.
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Fasae KD, Neelakanta G, Sultana H. Alterations in arthropod and neuronal exosomes reduce virus transmission and replication in recipient cells. EXTRACELLULAR VESICLES AND CIRCULATING NUCLEIC ACIDS 2022; 3:247-279. [PMID: 36939419 PMCID: PMC10018778 DOI: 10.20517/evcna.2022.30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Aim Targeting the modes of pathogen shedding/transmission via exosomes or extracellular vesicles has been envisioned as the best approach to control vector-borne diseases. This study is focused on altering exosomes stability to affect the pathogen transmission from infected to naïve recipient cells. Methods In this study, neuronal or arthropod exosomes were treated at different temperatures or with different salts or pH conditions to analyze their ability and efficiency in the transmission of tick-borne Langat virus (LGTV) from infected to naïve recipient cells. Results Quantitative real-time PCR (qRT-PCR) and immunoblotting analyses revealed that treatment of neuronal or tick exosomes at warmer temperatures of 37 °C or 23 °C, respectively, or with sulfate salts such as Magnesium or Ammonium sulfates or with highly alkaline pH of 9 or 11.5, dramatically reduced transmission of LGTV via infectious exosomes (human or tick cells-derived) to human neuronal (SH-SY5Y) cells or skin keratinocytes (HaCaT cells), respectively. Conclusion Overall, this study suggests that exosome-mediated viral transmission of vector-borne pathogens to the vertebrate host or the viral dissemination and replication within or between the mammalian host can be reduced by altering the ability of exosomes with basic changes in temperatures, salts or pH conditions.
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Affiliation(s)
- Kehinde Damilare Fasae
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
| | - Girish Neelakanta
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
| | - Hameeda Sultana
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
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5
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Askenase PW. Exosomes provide unappreciated carrier effects that assist transfers of their miRNAs to targeted cells; I. They are 'The Elephant in the Room'. RNA Biol 2021; 18:2038-2053. [PMID: 33944671 PMCID: PMC8582996 DOI: 10.1080/15476286.2021.1885189] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/23/2021] [Accepted: 01/30/2021] [Indexed: 12/19/2022] Open
Abstract
Extracellular vesicles (EV), such as exosomes, are emerging biologic entities that mediate important newly recognized functional effects. Exosomes are intracellular endosome-originating, cell-secreted, small nano-size EV. They can transfer cargo molecules like miRNAs to act intracellularly in targeted acceptor cells, to then mediate epigenetic functional alterations. Exosomes among EV, are universal nanoparticles of life that are present across all species. Some critics mistakenly hold exosomes to concepts and standards of cells, whereas they are subcellular nanospheres that are a million times smaller, have neither nuclei nor mitochondria, are far less complex and currently cannot be studied deeply and elegantly by many and diverse technologies developed for cells over many years. There are important concerns about the seeming impossibility of biologically significant exosome transfers of very small amounts of miRNAs resulting in altered targeted cell functions. These hesitations are based on current canonical concepts developed for non-physiological application of miRNAs alone, or artificial non-quantitative genetic expression. Not considered is that the natural physiologic intercellular transit via exosomes can contribute numerous augmenting carrier effects to functional miRNA transfers. Some of these are particularly stimulated complex extracellular and intracellular physiologic processes activated in the exosome acceptor cells that can crucially influence the intracellular effects of the transferred miRNAs. These can lead to molecular chemical changes altering DNA expression for mediating functional changes of the targeted cells. Such exosome mediated molecular transfers of epigenetic functional alterations, are the most exciting and life-altering property that these nano EV bring to virtually all of biology and medicine. .Abbreviations: Ab, Antibody Ag Antigen; APC, Antigen presenting cells; CS, contact sensitivity; DC, Dendritic cells; DTH, Delayed-type hypersensitivity; EV, extracellular vesicles; EV, Extracellular vesicle; FLC, Free light chains of antibodies; GI, gastrointestinal; IP, Intraperitoneal administration; IV, intravenous administration; OMV, Outer membrane vesicles released by bacteria; PE, Phos-phatidylethanolamine; PO, oral administration.
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Affiliation(s)
- Philip W. Askenase
- Section of Rheumatology, Allergy and Clinical Immunology Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
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6
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Extracellular Vesicles Taken up by Astrocytes. Int J Mol Sci 2021; 22:ijms221910553. [PMID: 34638890 PMCID: PMC8508591 DOI: 10.3390/ijms221910553] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 09/25/2021] [Accepted: 09/25/2021] [Indexed: 01/20/2023] Open
Abstract
Extracellular vesicles (EVs) are composed of lipid bilayer membranes and contain various molecules, such as mRNA and microRNA (miRNA), that regulate the functions of the recipient cell. Recent studies have reported the importance of EV-mediated intercellular communication in the brain. The brain contains several types of cells, including neurons and glial cells. Among them, astrocytes are the most abundant glial cells in the mammalian brain and play a wide range of roles, from structural maintenance of the brain to regulation of neurotransmission. Furthermore, since astrocytes can take up EVs, it is possible that EVs originating from inside and outside the brain affect astrocyte function, which in turn affects brain function. However, it has not been fully clarified whether the specific targeting mechanism of EVs to astrocytes as recipient cells exists. In recent years, EVs have attracted attention as a cell-targeted therapeutic approach in various organs, and elucidation of the targeting mechanism of EVs to astrocytes may pave the way for new therapies for brain diseases. In this review, we focus on EVs in the brain that affect astrocyte function and discuss the targeting mechanism of EVs to astrocytes.
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7
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Heidarzadeh M, Gürsoy-Özdemir Y, Kaya M, Eslami Abriz A, Zarebkohan A, Rahbarghazi R, Sokullu E. Exosomal delivery of therapeutic modulators through the blood-brain barrier; promise and pitfalls. Cell Biosci 2021; 11:142. [PMID: 34294165 PMCID: PMC8296716 DOI: 10.1186/s13578-021-00650-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 07/05/2021] [Indexed: 12/16/2022] Open
Abstract
Nowadays, a large population around the world, especially the elderly, suffers from neurological inflammatory and degenerative disorders/diseases. Current drug delivery strategies are facing different challenges because of the presence of the BBB, which limits the transport of various substances and cells to brain parenchyma. Additionally, the low rate of successful cell transplantation to the brain injury sites leads to efforts to find alternative therapies. Stem cell byproducts such as exosomes are touted as natural nano-drug carriers with 50-100 nm in diameter. These nano-sized particles could harbor and transfer a plethora of therapeutic agents and biological cargos to the brain. These nanoparticles would offer a solution to maintain paracrine cell-to-cell communications under healthy and inflammatory conditions. The main question is that the existence of the intact BBB could limit exosomal trafficking. Does BBB possess some molecular mechanisms that facilitate the exosomal delivery compared to the circulating cell? Although preliminary studies have shown that exosomes could cross the BBB, the exact molecular mechanism(s) beyond this phenomenon remains unclear. In this review, we tried to compile some facts about exosome delivery through the BBB and propose some mechanisms that regulate exosomal cross in pathological and physiological conditions.
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Affiliation(s)
- Morteza Heidarzadeh
- Koç University Research Center for Translational Medicine (KUTTAM), Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey
| | - Yasemin Gürsoy-Özdemir
- Koç University Research Center for Translational Medicine (KUTTAM), Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey.,Neurology Department, Koç University School of Medicine, Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey
| | - Mehmet Kaya
- Koç University Research Center for Translational Medicine (KUTTAM), Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey.,Physiology Department, Koç University School of Medicine, Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey
| | - Aysan Eslami Abriz
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Zarebkohan
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Emel Sokullu
- Koç University Research Center for Translational Medicine (KUTTAM), Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey. .,Biophysics Department, Koç University School of Medicine, Rumeli Feneri, 34450, Sariyer, Istanbul, Turkey.
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8
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Sun B, Tang N, Peluso MJ, Iyer NS, Torres L, Donatelli JL, Munter SE, Nixon CC, Rutishauser RL, Rodriguez-Barraquer I, Greenhouse B, Kelly JD, Martin JN, Deeks SG, Henrich TJ, Pulliam L. Characterization and Biomarker Analyses of Post-COVID-19 Complications and Neurological Manifestations. Cells 2021; 10:386. [PMID: 33668514 PMCID: PMC7918597 DOI: 10.3390/cells10020386] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/12/2022] Open
Abstract
As the SARS-CoV-2 pandemic continues, reports have demonstrated neurologic sequelae following COVID-19 recovery. Mechanisms to explain long-term neurological sequelae are unknown and need to be identified. Plasma from 24 individuals recovering from COVID-19 at 1 to 3 months after initial infection were collected for cytokine and antibody levels and neuronal-enriched extracellular vesicle (nEV) protein cargo analyses. Plasma cytokine IL-4 was increased in all COVID-19 participants. Volunteers with self-reported neurological problems (nCoV, n = 8) had a positive correlation of IL6 with age or severity of the sequalae, at least one co-morbidity and increased SARS-CoV-2 antibody compared to those COVID-19 individuals without neurological issues (CoV, n = 16). Protein markers of neuronal dysfunction including amyloid beta, neurofilament light, neurogranin, total tau, and p-T181-tau were all significantly increased in the nEVs of all participants recovering from COVID-19 compared to historic controls. This study suggests ongoing peripheral and neuroinflammation after COVID-19 infection that may influence neurological sequelae by altering nEV proteins. Individuals recovering from COVID-19 may have occult neural damage while those with demonstrative neurological symptoms additionally had more severe infection. Longitudinal studies to monitor plasma biomarkers and nEV cargo are warranted to assess persistent neurodegeneration and systemic effects.
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Affiliation(s)
- Bing Sun
- Department of Laboratory Medicine, San Francisco VA Health Care System, San Francisco, CA 94121, USA; (B.S.); (N.T.)
| | - Norina Tang
- Department of Laboratory Medicine, San Francisco VA Health Care System, San Francisco, CA 94121, USA; (B.S.); (N.T.)
| | - Michael J. Peluso
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (M.J.P.); (R.L.R.); (I.R.-B.); (B.G.); (S.G.D.)
| | - Nikita S. Iyer
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Leonel Torres
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Joanna L. Donatelli
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Sadie E. Munter
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Christopher C. Nixon
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Rachel L. Rutishauser
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (M.J.P.); (R.L.R.); (I.R.-B.); (B.G.); (S.G.D.)
| | - Isabel Rodriguez-Barraquer
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (M.J.P.); (R.L.R.); (I.R.-B.); (B.G.); (S.G.D.)
| | - Bryan Greenhouse
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (M.J.P.); (R.L.R.); (I.R.-B.); (B.G.); (S.G.D.)
| | - John D. Kelly
- Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, CA 94158, USA; (J.D.K.); (J.N.M.)
| | - Jeffrey N. Martin
- Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, CA 94158, USA; (J.D.K.); (J.N.M.)
| | - Steven G. Deeks
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (M.J.P.); (R.L.R.); (I.R.-B.); (B.G.); (S.G.D.)
| | - Timothy J. Henrich
- Division of Experimental Medicine, Department of Medicine, University of California at San Francisco, San Francisco, CA 94110, USA; (N.S.I.); (L.T.); (J.L.D.); (S.E.M.); (C.C.N.); (T.J.H.)
| | - Lynn Pulliam
- Department of Laboratory Medicine, San Francisco VA Health Care System, San Francisco, CA 94121, USA; (B.S.); (N.T.)
- Department of Laboratory Medicine and Medicine, University of California at San Francisco, San Francisco, CA 94143, USA
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9
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Devoto C, Lai C, Qu BX, Guedes VA, Leete J, Wilde E, Walker WC, Diaz-Arrastia R, Kenney K, Gill J. Exosomal MicroRNAs in Military Personnel with Mild Traumatic Brain Injury: Preliminary Results from the Chronic Effects of Neurotrauma Consortium Biomarker Discovery Project. J Neurotrauma 2020; 37:2482-2492. [PMID: 32458732 PMCID: PMC7698974 DOI: 10.1089/neu.2019.6933] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Chronic symptoms after mild traumatic brain injury (mTBI) are common among veterans and service members, and represent a significant source of morbidity, with those who sustain multiple mTBIs at greatest risk. Exosomal micro-RNAs (miRNAs), mediators of intercellular communication, may be involved in chronic TBI symptom persistence. Exosomal miRNA (exomiR) was extracted from 153 participants enrolled in the Chronic Effect of Neurotrauma Consortium (CENC) longitudinal study (no TBI, n = 35; ≥ 3 mTBIs (rTBI), n = 45; 1-2 mTBIs, n = 73). Analyses were performed with nCounter® Human miRNA Expression Panels and Ingenuity Pathway Analysis (IPA) for identification of gene networks associated with TBI. Generalized linear models were used to analyze the predictive value of exomiR dysregulation and remote neurobehavioral symptoms. Compared with controls, there were 17 dysregulated exomiRs in the entire mTBI group and 32 dysregulated exomiRs in the rTBI group. Two miRNAs, hsa-miR-139-5p and hsa-miR-18a-5p, were significantly differentially expressed in the rTBI and 1-2 mTBI groups. IPA analyses showed that these dysregulated exomiRs correlated with pathways of inflammatory regulation, neurological disease, and cell development. Within the rTBI group, exomiRs correlated with gene activity for hub-genes of tumor protein TP53, insulin-like growth factor 1 receptor, and transforming growth factor beta. TBI history and neurobehavioral symptom survey scores negatively and significantly correlated with hsa-miR-103a-3p expression. Participants with remote mTBI have distinct exomiR profiles, which are significantly linked to inflammatory and neuronal repair pathways. These profiles suggest that analysis of exosomal miRNA expression may provide novel insights into the underlying pathobiology of chronic TBI symptom persistence.
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Affiliation(s)
- Christina Devoto
- Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
- Center for Neuroscience and Rehabilitation Medicine, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
| | - Chen Lai
- Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Bao-Xi Qu
- Department of Neurology, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
- CENC Biorepository, Uniformed Services University of the Health Sciences, Twinbrook, Rockville, Maryland, USA
| | - Vivian A. Guedes
- Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Jacqueline Leete
- Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Elisabeth Wilde
- CENC Imaging Core, University of Utah, Salt Lake City, Utah, USA
| | - William C. Walker
- Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Ramon Diaz-Arrastia
- Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Kimbra Kenney
- Department of Neurology, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
- CENC Biorepository, Uniformed Services University of the Health Sciences, Twinbrook, Rockville, Maryland, USA
| | - Jessica Gill
- Tissue Injury Branch, National Institutes of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
- Center for Neuroscience and Rehabilitation Medicine, Uniformed Services University of the Health Sciences and National Institutes of Health, Bethesda, Maryland, USA
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10
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Thurman M, Johnson S, Acharya A, Pallikkuth S, Mahesh M, Byrareddy SN. Biomarkers of Activation and Inflammation to Track Disparity in Chronological and Physiological Age of People Living With HIV on Combination Antiretroviral Therapy. Front Immunol 2020; 11:583934. [PMID: 33162998 PMCID: PMC7581935 DOI: 10.3389/fimmu.2020.583934] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/22/2020] [Indexed: 12/12/2022] Open
Abstract
With advancement, prompt use, and increasing accessibility of antiretroviral therapy, people with HIV are living longer and have comparable lifespans to those negative for HIV. However, people living with HIV experience tradeoffs with quality of life often developing age-associated co-morbid conditions such as cancers, cardiovascular diseases, or neurodegeneration due to chronic immune activation and inflammation. This creates a discrepancy in chronological and physiological age, with HIV-infected individuals appearing older than they are, and in some contexts ART-associated toxicity exacerbates this gap. The complexity of the accelerated aging process in the context of HIV-infection highlights the need for greater understanding of biomarkers involved. In this review, we discuss markers identified in different anatomical sites of the body including periphery, brain, and gut, as well as markers related to DNA that may serve as reliable predictors of accelerated aging in HIV infected individuals as it relates to inflammatory state and immune activation.
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Affiliation(s)
- Michellie Thurman
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, United States
| | - Samuel Johnson
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, United States
| | - Arpan Acharya
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, United States
| | - Suresh Pallikkuth
- Department of Microbiology and Immunology, University of Miami School of Medicine, Miami, FL, United States
| | - Mohan Mahesh
- Southwest National Primate Research Institute, Texas Biomedical Research Institute, San Antonio, TX, United States
| | - Siddappa N Byrareddy
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, United States
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11
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Fifty Years of JC Polyomavirus: A Brief Overview and Remaining Questions. Viruses 2020; 12:v12090969. [PMID: 32882975 PMCID: PMC7552028 DOI: 10.3390/v12090969] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 08/28/2020] [Accepted: 08/30/2020] [Indexed: 12/11/2022] Open
Abstract
In the fifty years since the discovery of JC polyomavirus (JCPyV), the body of research representing our collective knowledge on this virus has grown substantially. As the causative agent of progressive multifocal leukoencephalopathy (PML), an often fatal central nervous system disease, JCPyV remains enigmatic in its ability to live a dual lifestyle. In most individuals, JCPyV reproduces benignly in renal tissues, but in a subset of immunocompromised individuals, JCPyV undergoes rearrangement and begins lytic infection of the central nervous system, subsequently becoming highly debilitating-and in many cases, deadly. Understanding the mechanisms allowing this process to occur is vital to the development of new and more effective diagnosis and treatment options for those at risk of developing PML. Here, we discuss the current state of affairs with regards to JCPyV and PML; first summarizing the history of PML as a disease and then discussing current treatment options and the viral biology of JCPyV as we understand it. We highlight the foundational research published in recent years on PML and JCPyV and attempt to outline which next steps are most necessary to reduce the disease burden of PML in populations at risk.
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12
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O’Hara BA, Morris-Love J, Gee GV, Haley SA, Atwood WJ. JC Virus infected choroid plexus epithelial cells produce extracellular vesicles that infect glial cells independently of the virus attachment receptor. PLoS Pathog 2020; 16:e1008371. [PMID: 32130281 PMCID: PMC7075641 DOI: 10.1371/journal.ppat.1008371] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 03/16/2020] [Accepted: 01/31/2020] [Indexed: 12/13/2022] Open
Abstract
The human polyomavirus, JCPyV, is the causative agent of progressive multifocal leukoencephalopathy (PML) in immunosuppressed and immunomodulated patients. Initial infection with JCPyV is common and the virus establishes a long-term persistent infection in the urogenital system of 50-70% of the human population worldwide. A major gap in the field is that we do not know how the virus traffics from the periphery to the brain to cause disease. Our recent discovery that human choroid plexus epithelial cells are fully susceptible to virus infection together with reports of JCPyV infection of choroid plexus in vivo has led us to hypothesize that the choroid plexus plays a fundamental role in this process. The choroid plexus is known to relay information between the blood and the brain by the release of extracellular vesicles. This is particularly important because human macroglia (oligodendrocytes and astrocytes), the major targets of virus infection in the central nervous system (CNS), do not express the known attachment receptors for the virus and do not bind virus in human tissue sections. In this report we show that JCPyV infected choroid plexus epithelial cells produce extracellular vesicles that contain JCPyV and readily transmit the infection to human glial cells. Transmission of the virus by extracellular vesicles is independent of the known virus attachment receptors and is not neutralized by antisera directed at the virus. We also show that extracellular vesicles containing virus are taken into target glial cells by both clathrin dependent endocytosis and macropinocytosis. Our data support the hypothesis that the choroid plexus plays a fundamental role in the dissemination of virus to brain parenchyma.
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Affiliation(s)
- Bethany A. O’Hara
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, United States of America
| | - Jenna Morris-Love
- Graduate Program in Pathobiology, Brown University, Providence, Rhode Island, United States of America
| | - Gretchen V. Gee
- MassBiologics, University of Massachusetts Medical School, Worcester, Massachusetts, United States of America
| | - Sheila A. Haley
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, United States of America
| | - Walter J. Atwood
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, United States of America
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13
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Nazarenko I. Extracellular Vesicles: Recent Developments in Technology and Perspectives for Cancer Liquid Biopsy. Recent Results Cancer Res 2020; 215:319-344. [PMID: 31605237 DOI: 10.1007/978-3-030-26439-0_17] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extracellular micro- and nanoscale membrane vesicles produced by different cells progressively attract the attention of the scientific community. They function as mediators of intercellular communication and transport genetic material and signaling molecules between the cells. In the context of keeping homeostasis, the extracellular vesicles contribute to the regulation of various systemic and local processes. Vesicles released by the tumor and activated stromal cells exhibit multiple functions including support of tumor growth, preparation of the pre-metastatic niches, and immune suppression. Considerable progress has been made regarding the criteria of classification of the vesicles according to their origin, content, and function: Exosomes, microvesicles, also referred to as microparticles or ectosomes, and large oncosomes were defined as actively released vesicles. Additionally, apoptotic bodies represented by a highly heterogeneous population of particles produced during apoptosis, the programmed cell death, should be considered. Because the majority of isolation techniques do not allow the separation of different types of vesicles, a joined term "extracellular vesicles" (EVs) was recommended by the ISEV community for the definition of vesicles isolated from either the cell culture supernatants or the body fluids. Because EV content reflects the content of the cell of origin, multiple studies on EVs from body fluids in the context of cancer diagnosis, prediction, and prognosis were performed, actively supporting their high potential as a biomarker source. Here, we review the leading achievements in EV analysis from body fluids, defined as EV-based liquid biopsy, and provide an overview of the main EV constituents: EV surface proteins, intravesicular soluble proteins, EV RNA including mRNA and miRNA, and EV DNA as potential biomarkers. Furthermore, we discuss recent developments in technology for quantitative EV analysis in the clinical setting and future perspectives toward miniaturized high-precision liquid biopsy approaches.
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Affiliation(s)
- Irina Nazarenko
- Institute for Infection Prevention and Hospital Epidemiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany. .,German Cancer Consortium (DKTK), Partner Site Freiburg, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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14
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Morris-Love J, Gee GV, O'Hara BA, Assetta B, Atkinson AL, Dugan AS, Haley SA, Atwood WJ. JC Polyomavirus Uses Extracellular Vesicles To Infect Target Cells. mBio 2019; 10:e00379-19. [PMID: 30967463 PMCID: PMC6456752 DOI: 10.1128/mbio.00379-19] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 02/26/2019] [Indexed: 01/08/2023] Open
Abstract
The endemic human JC polyomavirus (JCPyV) causes progressive multifocal leukoencephalopathy in immune-suppressed patients. The mechanisms of virus infection in vivo are not understood because the major target cells for virus in the brain do not express virus receptors and do not bind virus. We found that JCPyV associates with extracellular vesicles (EVs) and can infect target cells independently of virus receptors. Virus particles were found packaged inside extracellular vesicles and attached to the outer side of vesicles. Anti-JCPyV antisera reduced infection by purified virus but had no effect on infection by EV-associated virus. Treatment of cells with the receptor-destroying enzyme neuraminidase inhibited infection with purified virus but did not inhibit infection by EV-associated virus. Mutant pseudoviruses defective in sialic acid receptor binding could not transduce cells as purified pseudovirions but could do so when associated with EVs. This alternative mechanism of infection likely plays a critical role in the dissemination and spread of JCPyV both to and within the central nervous system.IMPORTANCE JC polyomavirus (JCPyV) is a ubiquitous human pathogen that causes progressive multifocal leukoencephalopathy (PML), a severe and often fatal neurodegenerative disease in immunocompromised or immunomodulated patients. The mechanisms responsible for initiating infection in susceptible cells are not completely known. The major attachment receptor for the virus, lactoseries tetrasaccharide c (LSTc), is paradoxically not expressed on oligodendrocytes or astrocytes in human brain, and virus does not bind to these cells. Because these are the major cell types targeted by the virus in the brain, we hypothesized that alternative mechanisms of infection must be responsible. Here we provide evidence that JCPyV is packaged in extracellular vesicles from infected cells. Infection of target cells by vesicle-associated virus is not dependent on LSTc and is not neutralized by antisera directed against the virus. This is the first demonstration of a polyomavirus using extracellular vesicles as a means of transmission.
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Affiliation(s)
- Jenna Morris-Love
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
- Graduate Program in Pathobiology, Brown University, Providence, Rhode Island, USA
| | - Gretchen V Gee
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
| | - Bethany A O'Hara
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
| | - Benedetta Assetta
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
| | - Abigail L Atkinson
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
| | - Aisling S Dugan
- Department of Natural Sciences, Assumption College, Worcester, Massachusetts, USA
| | - Sheila A Haley
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
| | - Walter J Atwood
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island, USA
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15
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Fernandes N, Pulliam L. Inflammatory Mechanisms and Cascades Contributing to Neurocognitive Impairment in HIV/AIDS. Curr Top Behav Neurosci 2019; 50:77-103. [PMID: 31385260 DOI: 10.1007/7854_2019_100] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Neurocognitive impairment caused by chronic human immunodeficiency virus (HIV) infection is a growing concern. In this chapter we discuss the inflammatory mechanisms underlying the pathology of asymptomatic and mild neurocognitive impairment in the context of antiretroviral therapy. We discuss the role of HIV, viral proteins, and virally infected cells on the development of neuroinflammation and the effect of viral proteins on the cells of the central nervous system.We examine how these collective factors result in an inflammatory context that triggers the development of neurocognitive impairment in HIV. We assess the contribution of antiretrovirals and drugs of abuse, including methamphetamine, cannabis, and opioids, to the neurotoxic and neuroinflammatory milieu that leads to the development of neurocognitive impairment in HIV-infected individuals. We also examined circulating biomarkers, NF-L, sCD163, and sCD14, pertinent to identifying changes in the CNS that could indicate real-time changes in patient physiology. Lastly, we discuss future studies, such as exosomes and the microbiome, which could play a role in the HIV-induced neuroinflammation that eventually manifests as cognitive impairment.
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Affiliation(s)
- Nicole Fernandes
- Department of Laboratory Medicine, San Francisco VA Health Care System, San Francisco, CA, USA.,University of California, San Francisco, San Francisco, CA, USA
| | - Lynn Pulliam
- Department of Laboratory Medicine, San Francisco VA Health Care System, San Francisco, CA, USA. .,University of California, San Francisco, San Francisco, CA, USA.
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16
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Jesus S, Soares E, Cruz MT, Borges O. Exosomes as adjuvants for the recombinant hepatitis B antigen: First report. Eur J Pharm Biopharm 2018; 133:1-11. [PMID: 30287267 DOI: 10.1016/j.ejpb.2018.09.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 08/10/2018] [Accepted: 09/28/2018] [Indexed: 01/11/2023]
Abstract
Over the past few years, exosomes, a class of extracellular vesicles (EVs), have emerged as key players for inter-cellular communication ultimately modulating the behavior of target cells with countless outcomes. Nevertheless, the potential role of exosomes as vaccine adjuvants remains largely unexplored. Herein, we hypothesized that exosomes derived from immune cells may have an immunostimulatory effect and could constitute a good target towards the development of new fine-tuned vaccine adjuvants. To accomplish this goal, exosomes isolated from lipopolysaccharide endotoxin (LPS)-stimulated human monocytic cell line (THP-1) were characterized and tested for their non-specific immunostimulatory activity when administered subcutaneously to healthy mice; additionally, exosomes' vaccine adjuvant ability was also disclosed after their inclusion in vaccine formulations. The results obtained suggested that the isolated exosomes evoked a pro-inflammatory profile in spleen cells of healthy mice through the induction of cytokines such as tumor necrosis factor alpha (TNF-α), chemokine (C-C motif) ligand 5 (CCL5, also known as RANTES) and interleukin 1 beta (IL-1β). Moreover, subcutaneous vaccination of mice with exosomes combined with a solution of hepatitis B recombinant antigen (HBsAg) or combined with a suspension containing HBsAg loaded poly-ε-caprolactone (PCL)/chitosan nanoparticles (NPs), induced a humoral immune response quite similar to the one achieved with the experimental control group (HBsAg solution without exosomes). However, exosomes triggered an immunomodulator effect on the cellular immune response, highlighted by the enhancement of IFN-γ secretion. To the best of authors knowledge, this is the first report describing extensively the role of unmodified exosomes as adjuvants and co-adjuvants for hepatitis B vaccination strategies.
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Affiliation(s)
- Sandra Jesus
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Faculty of Medicine, 1st floor, 3004-504 Coimbra, Portugal
| | - Edna Soares
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Faculty of Medicine, 1st floor, 3004-504 Coimbra, Portugal
| | - Maria Teresa Cruz
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Faculty of Medicine, 1st floor, 3004-504 Coimbra, Portugal
| | - Olga Borges
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Faculty of Medicine, 1st floor, 3004-504 Coimbra, Portugal.
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17
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Kenney K, Qu BX, Lai C, Devoto C, Motamedi V, Walker WC, Levin HS, Nolen T, Wilde EA, Diaz-Arrastia R, Gill J. Higher exosomal phosphorylated tau and total tau among veterans with combat-related repetitive chronic mild traumatic brain injury. Brain Inj 2018; 32:1276-1284. [PMID: 29889559 DOI: 10.1080/02699052.2018.1483530] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE The objective of the study is to measure plasma and exosomal levels of tau, phosphorylated tau (p-tau), and amyloid beta (Aβ) in Veterans with historical mild traumatic brain injury (mTBI) and chronic neuropsychological symptoms. METHODS Tau, p-tau, Aβ40, and Aβ42 were measured by ultrasensitive immunoassay in plasma and exosomes from 195 Veterans enrolled in the Chronic Effects of Neurotrauma Consortium Multicenter Observational Study. Protein biomarkers were compared among groups with and without mTBI with loss of consciousness (LOC) or post-traumatic amnesia (PTA), and also in those with and without repetitive (≥3) mTBI (rTBI) compared to those with 0 (TBI-neg) and 1-2 mTBI. RESULTS There were no differences in measures of plasma and exosomal protein levels among mTBI with LOC or PTA, mTBI with alteration of consciousness only or TBI-neg. Exosomal tau and exosomal p-tau were elevated in rTBI compared to those with 2 or fewer mTBIs and TBI-neg (p < 0.05). Elevations of exosomal tau and p-tau significantly correlated with post-traumatic and post-concussive symptoms, with exosomal tau also relating specifically to cognitive, affective, and somatic post-concussive symptoms (p < 0.05). CONCLUSION rTBI is associated with elevations of exosomal p-tau and exosomal tau, suggesting that blood-based exosomes may provide a peripheral source of informative, centrally derived biomarkers in remote mTBI and that rTBI may contribute to chronic neuropsychological symptoms.
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Affiliation(s)
- Kimbra Kenney
- a Department of Neurology , Uniformed Services University of the Health Sciences , Bethesda , MD , USA.,b National Intrepid Center of Excellence , Walter Reed National Military Medical Center , Bethesda , MD , USA
| | - Bao-Xi Qu
- a Department of Neurology , Uniformed Services University of the Health Sciences , Bethesda , MD , USA
| | - Chen Lai
- c National Institutes of Health , National Institute of Nursing Research , Bethesda , MD , USA
| | - Christina Devoto
- c National Institutes of Health , National Institute of Nursing Research , Bethesda , MD , USA
| | - Vida Motamedi
- c National Institutes of Health , National Institute of Nursing Research , Bethesda , MD , USA
| | - William C Walker
- d Department of Physical Medicine & Rehabilitation , Virginia Commonwealth University , Richmond , VA , USA
| | - Harvey S Levin
- e Department of Physical Medicine and Rehabilitation , Baylor College of Medicine , Houston , TX , USA.,f VA Rehabilitation Research Center of Excellence , Michael E DeBakey VA Medical Center , Houston , TX , USA
| | - Tracy Nolen
- g RTI International , Research Triangle Park NC , USA
| | - Elisabeth A Wilde
- e Department of Physical Medicine and Rehabilitation , Baylor College of Medicine , Houston , TX , USA.,f VA Rehabilitation Research Center of Excellence , Michael E DeBakey VA Medical Center , Houston , TX , USA.,h Department of Neurology , University of Utah School of Medicine , Salt Lake City , UT , USA
| | - Ramon Diaz-Arrastia
- i Department of Neurology , University of Pennsylvania , Philadelphia , PA , USA
| | - Jessica Gill
- c National Institutes of Health , National Institute of Nursing Research , Bethesda , MD , USA.,j Center for Neuroscience and Regenerative Medicine, Biomarker Core , Uniformed Services University of the Health Sciences , Bethesda , MD , USA
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18
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Abstract
OBJECTIVE To investigate proteins associated with neuronal damage in plasma neuron-derived exosomes (NDE) of HIV-infected study participants as a liquid biomarker for cognitive impairment. METHODS Plasma NDE were isolated using precipitation and immunoadsorption with antibody to a cell surface-specific neuronal marker. Total exosomes and NDE were enumerated, characterized, and proteins extracted and targets quantified by ELISA. RESULTS Plasma NDE from 23 HIV seropositive individuals of which 11 had mild cognitive impairment, and 12 HIV seronegative controls of which three had cognitive impairment were isolated. NDE were enriched for the neuronal markers neurofilament light (NF-L) and synaptophysin (SYP). Neuropsychologically impaired individuals had fewer NDE compared with neuropsychologically normal study participants. NDE from neuropsychologically impaired study participants had significantly higher levels of high-mobility group box 1 (HMGB1), NF-L, and amyloid β proteins compared with neuropsychologically normal individuals. NDE HMGB1 protein significantly decreased with age in HIV-infected individuals. CONCLUSION Plasma NDE were altered in several ways in HIV infection. Elevated HMGB1, NF-L, and amyloid β proteins could distinguish cognitive impairment. NDE contents reflect neuronal health in 'real time' and may be useful for following cognitive impairment and response to therapy in HIV infection.
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19
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Kanikarla-Marie P, Lam M, Menter DG, Kopetz S. Platelets, circulating tumor cells, and the circulome. Cancer Metastasis Rev 2017; 36:235-248. [DOI: 10.1007/s10555-017-9681-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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20
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Hu G, Witwer KW, Bond VC, Haughey N, Kashanchi F, Pulliam L, Buch S. Proceedings of the ISEV symposium on "HIV, NeuroAIDS, drug abuse & EVs". J Extracell Vesicles 2017; 6:1294360. [PMID: 28800366 PMCID: PMC5373676 DOI: 10.1080/20013078.2017.1294360] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 02/06/2017] [Indexed: 12/17/2022] Open
Abstract
Extracellular vesicles (EVs) are globular, membrane bound nanovesicles (30-100 nm range) that are shed both during normal cellular functioning and under pathological conditions by most cell types. In recent years, there has been significant interest in the study of these vesicles as conduits for the delivery of information between cells from both analogous and disparate tissues. Their ability to carry specialised cargo including signalling mediators, proteins, messenger RNA and miRNAs characterises these vesicles as primary facilitators of cell-to-cell communication and regulation. EVs have also been demonstrated to play important roles in the field of cancer biology and metastasis. However, significant knowledge gaps exist in the role these vesicles play in the context of HIV infection and drug abuse. To foster discussion in this area a satellite symposium on "HIV, NeuroAIDS, Drug Abuse & EVs", was held in conjunction with the annual meeting of the International Society for Extracellular Vesicles (ISEV) in Bethesda, in April 2015. Experts in HIV and drug abuse fields were invited to share their findings on the role of EVs in HIV-1 infection and drug addiction. Additional discussion included current areas of research in EV biology in HIV infection and drug abuse.
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Affiliation(s)
- Guoku Hu
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Kenneth W Witwer
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Vincent C Bond
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Norman Haughey
- Department of Neurology, the Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Psychiatry, the Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Fatah Kashanchi
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Lynn Pulliam
- Departments of Laboratory Medicine and Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Shilpa Buch
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
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21
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Faust A, Kandakatla A, van der Merwe Y, Ren T, Huleihel L, Hussey G, Naranjo JD, Johnson S, Badylak S, Steketee M. Urinary bladder extracellular matrix hydrogels and matrix-bound vesicles differentially regulate central nervous system neuron viability and axon growth and branching. J Biomater Appl 2017; 31:1277-1295. [PMID: 28447547 DOI: 10.1177/0885328217698062] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Central nervous system neurons often degenerate after trauma due to the inflammatory innate immune response to injury, which can lead to neuronal cell death, scarring, and permanently lost neurologic function. Extracellular matrix bioscaffolds, derived by decellularizing healthy tissues, have been widely used in both preclinical and clinical studies to promote positive tissue remodeling, including neurogenesis, in numerous tissues, with extracellular matrix from homologous tissues often inducing more positive responses. Extracellular matrix hydrogels are liquid at room temperature and enable minimally invasive extracellular matrix injections into central nervous system tissues, before gelation at 37℃. However, few studies have analyzed how extracellular matrix hydrogels influence primary central nervous system neuron survival and growth, and whether central nervous system and non-central nervous system extracellular matrix specificity is critical to neuronal responses. Urinary bladder extracellular matrix hydrogels increase both primary hippocampal neuron survival and neurite growth to similar or even greater extents, suggesting extracellular matrix from non-homologous tissue sources, such as urinary bladder matrix-extracellular matrix, may be a more economical and safer alternative to developing central nervous system extracellular matrices for central nervous system applications. Additionally, we show matrix-bound vesicles derived from urinary bladder extracellular matrix are endocytosed by hippocampal neurons and positively regulate primary hippocampal neuron neurite growth. Matrix-bound vesicles carry protein and RNA cargos, including noncoding RNAs and miRNAs that map to the human genome and are known to regulate cellular processes. Thus, urinary bladder matrix-bound vesicles provide natural and transfectable cargoes which offer new experimental tools and therapeutic applications to study and treat central nervous system neuron injury.
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Affiliation(s)
- Anne Faust
- 1 Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA
| | - Apoorva Kandakatla
- 1 Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA
| | - Yolandi van der Merwe
- 1 Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,3 Swanson School of Engineering, Department of Bioengineering University of Pittsburgh, Pittsburgh, PA, USA
| | - Tanchen Ren
- 1 Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA
| | - Luai Huleihel
- 2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,4 Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - George Hussey
- 2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,4 Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Juan Diego Naranjo
- 2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,4 Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Scott Johnson
- 2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,4 Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Stephen Badylak
- 2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,4 Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Michael Steketee
- 1 Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,2 McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA.,5 Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA
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22
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Tang N, Sun B, Gupta A, Rempel H, Pulliam L. Monocyte exosomes induce adhesion molecules and cytokines via activation of NF-κB in endothelial cells. FASEB J 2016; 30:3097-106. [PMID: 27226520 DOI: 10.1096/fj.201600368rr] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 05/13/2016] [Indexed: 01/05/2023]
Abstract
HIV-infected individuals have activated monocytes with an IFNα phenotype and elevated levels of circulating LPS. These individuals also have a risk of premature cardiovascular disease. The effect of activated monocyte exosomes (Exos) on endothelial cells is unknown. To determine whether Exos from immune-activated monocytes could alter endothelial cell expression and contribute to monocyte/macrophage transmigration and adhesion, we isolated Exos from monocytes stimulated with IFNα, LPS, or both (I/L). We show that monocyte Exos contain different inflammatory microRNA cargo depending on stimulation. When LPS Exos or I/L Exos were added to HUVECs, we found a significant increase in adhesion molecule ICAM-1, chemokine ligand (CCL)-2, and cytokine IL-6 mRNAs and proteins compared with cells treated with IFNα Exos or Exos derived from unstimulated monocytes. Inhibition of transcription factor NF-κB, a common inflammatory cytokine pathway, prevented induction of CCL2, IL6, and ICAM1 Inhibition of TLR4 resulted in differential blockage of the targets. Our results demonstrate for the first time that primary human monocyte Exos enter endothelial cells and cause dysfunction via the TLR4 and NF-κB pathways, which may contribute to heart disease in HIV infection and other diseases involving chronic immune activation.-Tang, N., Sun, B., Gupta, A., Rempel, H., Pulliam, L. Monocyte exosomes induce adhesion molecules and cytokines via activation of NF-κB in endothelial cells.
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Affiliation(s)
- Norina Tang
- Department of Laboratory Medicine, Veterans Administration Medical Center, San Francisco, California, USA
| | - Bing Sun
- Department of Laboratory Medicine, Veterans Administration Medical Center, San Francisco, California, USA
| | - Archana Gupta
- System Biosciences, Incorporated, Mountain View, California, USA
| | - Hans Rempel
- Department of Laboratory Medicine, Veterans Administration Medical Center, San Francisco, California, USA
| | - Lynn Pulliam
- Department of Laboratory Medicine, Veterans Administration Medical Center, San Francisco, California, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA; and Department of Medicine, University of California, San Francisco, San Francisco, California, USA
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Yang Q, Diamond MP, Al-Hendy A. The emerging role of extracellular vesicle-derived miRNAs: implication in cancer progression and stem cell related diseases. JOURNAL OF CLINICAL EPIGENETICS 2016; 2:13. [PMID: 27099870 PMCID: PMC4834835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Cells release into the extracellular environment, diverse types of membrane vesicles of endosomal and plasma membrane origin called exosomes and microvesicles. A number of studies indicate that these extracellular vehicles (EVs) mediate the interaction between cancer cells and their microenvironment; and thereby, play a critical role in the development of cancers. EVs contain cargo which consist of proteins, lipids, mRNAs, and miRNAs that can be delivered to different types of cells in nascent as well as distal locations. Discovery of this latter cargo has drawn an increasing amount of attention, due to their altering effects on the transcriptome, proteins, and subsequent cellular characteristics in recipient cells. Cancer cell derived exosomes (CCEs) have been identified in body fluids of cancer patients including urine, plasma and saliva. Because CCE content largely depends on tumor type and stage, they invariably lend great potential in serving as prognostic and diagnostic markers. Notably, accumulating evidence demonstrates that EV-derived miRNAs have key roles in regulating various aspects of cellular homeostasis, including proliferation, survival, migration, metastasis, and the immune system etc. More recently, diagnostic and therapeutic exploitation of stem cells derived EVs are under investigation. This review aims to summarize recent advances in EV-derived miRNAs in a variety of tumor types, and suggests that these cancer-derived exosomal miRNAs play a critical role in regulating cellular functions in surrounding and distant locations. It also discusses the role of adverse environmental exposure in altering stem cell exosomal miRNA profiling, which we believe leads to changes in the extracellular environment as well as a diverse range of biological processes.
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Affiliation(s)
- David Gurwitz
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel
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