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Hernandez JL, Chien ST, Doan MA, Suydam IT, Woodrow KA. Antiretroviral (ARV) Properties Dictate Long-Acting Release and Tissue Partitioning Behaviors in Multidrug Subcutaneous Implants. ACS Biomater Sci Eng 2024. [PMID: 39231268 DOI: 10.1021/acsbiomaterials.4c01290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
Subcutaneous implants can provide patients with long-acting, compliance-independent drug dosing. For this reason, subcutaneous implants have shown emerging interest in human immunodeficiency virus (HIV) prevention. However, any successful long-acting HIV-prevention device will require multidrug dosing, which poses a challenge for formulation considering the physicochemically diverse selection of antiretroviral (ARV) candidates. As a method that has shown the capacity of efficient multidrug delivery, we assessed electrospun fiber implants composed of three synergistically potent ARVs and a biodegradable polymer selected by in vitro release studies. In mice, subcutaneous electrospun fiber implants exhibit burst release of the more hydrophilic drugs maraviroc (MVC) and raltegravir (RAL), which could be reduced via simple prewash treatments of the implants. Over an extended 120 day time frame, fiber implants show drug-specific differences in release time frames and magnitudes in blood serum. However, end-point drug tissue concentrations show that the most hydrophobic drug etravirine (ETR) remains in high concentrations within the implant and in local skin tissue biopsies. Furthermore, ETR is found to be capable of significant partitioning into lymph nodes, the lower female reproductive tract, and the rectum. Topologically smooth film implants also exhibit the same drug-dependent trends. Therefore, we illustrate that drug release and drug tissue partitioning are largely dictated by drug properties. Further, we find that the properties of ETR enable significant drug quantities within the tissues most relevant to HIV protection. Evidence from this work emphasizes the need for a greater focus on drug properties and prodrug strategies to enable relevant, extended, and targeted drug release.
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Affiliation(s)
- Jamie L Hernandez
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, Washington 98195, United States
| | - Shin-Tian Chien
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, Washington 98195, United States
| | - My-Anh Doan
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, Washington 98195, United States
| | - Ian T Suydam
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, Washington 98195, United States
| | - Kim A Woodrow
- Department of Bioengineering, University of Washington, 3720 15th Ave NE, Seattle, Washington 98195, United States
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2
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Kumar A. CB-0821, a novel CC chemokine receptor 5 (CCR5) inhibitor with improved binding efficacy proposed as anti-HIV candidate: Computational and in vitro approach. Biotechnol Appl Biochem 2024; 71:849-859. [PMID: 38556770 DOI: 10.1002/bab.2581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 03/18/2024] [Indexed: 04/02/2024]
Abstract
The CC chemokine receptor 5 (CCR5) serves a pivotal role in human immunodeficiency virus 1 (HIV-1) infection by acting as a co-receptor and facilitating the binding of the viral envelope glycoprotein (env). Maraviroc (MVC), a Food and Drug Administration-approved monocarboxylic acid amide, is one of the CCR5 inhibitors employed in HIV treatment. Despite the existence of approved drugs, the emergence of drug resistance underscores the necessity for novel compounds to combat resistance and enhance therapeutic efficacy. In this study, CB-0821, identified from the ChemBridge library, emerged as a promising CCR5 inhibitor. Molecular dynamics simulations indicate comparable dynamic properties for CB-0821 and MVC. In silico comparisons with other CCR5 inhibitors emphasize CB-0821's superior binding affinity, positioning it as a potential lead compound. Evaluations of the dissociation constant (Ki) and absorption, distribution, metabolism, and excretion predictions suggest CB-0821 as a well-tolerated drug. Furthermore, the dose-dependent inhibition of CCR5 by CB-0821 in Peripheral blood mononuclear cells (PBMCs) (ranging from 10 to 200 nM) demonstrates efficacy, coupled with nontoxicity to Vero cells at concentrations up to 500 nM. These results underscore the potential of CB-0821 in HIV antiviral therapy, calling for additional preclinical validations before advancing to clinical considerations.
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Affiliation(s)
- Ashish Kumar
- Department of Microbiology & Clinical Parasitology, College of Medicine, King Khalid University, Abha, Saudi Arabia
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3
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Benslimane Y, Amalfi K, Lapin S, Perrino S, Brodt P. Estrogen Receptor Blockade Potentiates Immunotherapy for Liver Metastases by Altering the Liver Immunosuppressive Microenvironment. CANCER RESEARCH COMMUNICATIONS 2024; 4:1963-1977. [PMID: 39007345 PMCID: PMC11306998 DOI: 10.1158/2767-9764.crc-24-0196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 06/06/2024] [Accepted: 07/11/2024] [Indexed: 07/16/2024]
Abstract
Liver metastases (LM) remain a major cause of cancer-related death and are a major clinical challenge. LM and the female sex are predictors of a poorer response to immunotherapy but the underlying mechanisms remain unclear. We previously reported on a sexual dimorphism in the control of the tumor microenvironment (TME) of colorectal carcinoma liver metastases (CRCLM) and identified estrogen as a regulator of an immunosuppressive TME in the liver. Here we aimed to assess the effect of estrogen deprivation on the cytokine/chemokine profile associated with CRCLM, using a multiplex cytokine array and the RNAscope technology, and its effects on the innate and adaptive immune responses in the liver. We also evaluated the benefit of combining the selective estrogen-receptor degrader Fulvestrant with immune checkpoint blockade for the treatment of CRCLM. We show that estrogen depletion altered the cytokine/chemokine repertoire of the liver, decreased macrophage polarization, as reflected in reduced accumulation of tumor infiltrating M2 macrophages and increased the accumulation of CCL5+/CCR5+ CD8+ T and NKT cells in the liver TME. Similar results were obtained in a murine pancreatic ductal adenocarcinoma model. Importantly, treatment with Fulvestrant also increased the accumulation of CD8+CCL5+, CD8+CCR5+ T and NK cells in the liver TME and enhanced the therapeutic benefit of anti-PD1 immunotherapy, resulting in a significant reduction in the outgrowth of LM. Taken together, our results show that estrogen regulates immune cell recruitment to the liver and suggest that inhibition of estrogen action could potentiate the tumor-inhibitory effect of immunotherapy in hormone-independent and immunotherapy-resistant metastatic cancer. SIGNIFICANCE The immune microenvironment of the liver plays a major role in controlling the expansion of hepatic metastases and is regulated by estrogen. We show that treatment of tumor-bearing mice with an estrogen receptor degrader potentiated an anti-metastatic effect of immunotherapy. Our results provide mechanistic insight into clinical findings and a rationale for evaluating the efficacy of combination anti-estrogen and immunotherapy for prevention and/or treatment of hepatic metastases in female patients.
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Affiliation(s)
- Yasmine Benslimane
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Canada.
- The Research Institute of the McGill University Health Center, Montreal, Canada.
| | - Kevin Amalfi
- Department of Microbiology and Immunology, McGill University, Montreal, Canada.
| | - Sara Lapin
- Department of Microbiology and Immunology, McGill University, Montreal, Canada.
| | - Stephanie Perrino
- The Research Institute of the McGill University Health Center, Montreal, Canada.
| | - Pnina Brodt
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Canada.
- The Research Institute of the McGill University Health Center, Montreal, Canada.
- Department of Surgery, McGill University, Montreal, Canada.
- Department of Oncology, McGill University, Montreal, Canada.
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4
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De La Torre Tarazona E, Passaes C, Moreno S, Sáez-Cirión A, Alcamí J. High concentrations of Maraviroc do not alter immunological and metabolic parameters of CD4 T cells. Sci Rep 2024; 14:13980. [PMID: 38886484 PMCID: PMC11183235 DOI: 10.1038/s41598-024-64902-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024] Open
Abstract
Maraviroc (MVC) is an antiretroviral drug capable of binding to CCR5 receptors and block HIV entry into target cells. Moreover, MVC can activate NF-kB pathway and induce viral transcription in HIV-infected cells, being proposed as a latency reversal agent (LRA) in HIV cure strategies. However, the evaluation of immunological and metabolic parameters induced by MVC concentrations capable of inducing HIV transcription have not been explored in depth. We cultured isolated CD4 T cells in the absence or presence of MVC, and evaluated the frequency of CD4 T cell subpopulations and activation markers levels by flow cytometry, and the oxidative and glycolytic metabolic rates of CD4 T cells using a Seahorse Analyzer. Our results indicate that a high concentration of MVC did not increase the levels of activation markers, as well as glycolytic or oxidative metabolic rates in CD4 T cells. Furthermore, MVC did not induce significant changes in the frequency and activation levels of memory cell subpopulations. Our data support a safety profile of MVC as a promising LRA candidate since it does not induce alterations of the immunological and metabolic parameters that could affect the functionality of these immune cells.
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Affiliation(s)
- Erick De La Torre Tarazona
- Infectious Diseases Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), University Hospital Ramón y Cajal, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
| | - Caroline Passaes
- HIV, Inflammation and Persistence Unit, Institut Pasteur, Université Paris Cité, Paris, France
- Viral Reservoirs and Immune Control Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Santiago Moreno
- Infectious Diseases Department, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), University Hospital Ramón y Cajal, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Medicine, Alcalá University, Madrid, Spain
| | - Asier Sáez-Cirión
- HIV, Inflammation and Persistence Unit, Institut Pasteur, Université Paris Cité, Paris, France
- Viral Reservoirs and Immune Control Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - José Alcamí
- AIDS Immunopathogenesis Unit, National Center of Microbiology, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
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5
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Iyer K, Yan Z, Ross SR. Entry inhibitors as arenavirus antivirals. Front Microbiol 2024; 15:1382953. [PMID: 38650890 PMCID: PMC11033450 DOI: 10.3389/fmicb.2024.1382953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 03/25/2024] [Indexed: 04/25/2024] Open
Abstract
Arenaviruses belonging to the Arenaviridae family, genus mammarenavirus, are enveloped, single-stranded RNA viruses primarily found in rodent species, that cause severe hemorrhagic fever in humans. With high mortality rates and limited treatment options, the search for effective antivirals is imperative. Current treatments, notably ribavirin and other nucleoside inhibitors, are only partially effective and have significant side effects. The high lethality and lack of treatment, coupled with the absence of vaccines for all but Junín virus, has led to the classification of these viruses as Category A pathogens by the Centers for Disease Control (CDC). This review focuses on entry inhibitors as potential therapeutics against mammarenaviruses, which include both New World and Old World arenaviruses. Various entry inhibition strategies, including small molecule inhibitors and neutralizing antibodies, have been explored through high throughput screening, genome-wide studies, and drug repurposing. Notable progress has been made in identifying molecules that target receptor binding, internalization, or fusion steps. Despite promising preclinical results, the translation of entry inhibitors to approved human therapeutics has faced challenges. Many have only been tested in in vitro or animal models, and a number of candidates showed efficacy only against specific arenaviruses, limiting their broader applicability. The widespread existence of arenaviruses in various rodent species and their potential for their zoonotic transmission also underscores the need for rapid development and deployment of successful pan-arenavirus therapeutics. The diverse pool of candidate molecules in the pipeline provides hope for the eventual discovery of a broadly effective arenavirus antiviral.
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Affiliation(s)
| | | | - Susan R. Ross
- Department of Microbiology and Immunology, University of Illinois, College of Medicine, Chicago, IL, United States
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6
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Costa RM, Cerqueira DM, Bruder-Nascimento A, Alves JV, Awata WMC, Singh S, Kufner A, Prado DS, Johny E, Cifuentes-Pagano E, Hawse WF, Dutta P, Pagano PJ, Ho J, Bruder-Nascimento T. Role of the CCL5 and Its Receptor, CCR5, in the Genesis of Aldosterone-Induced Hypertension, Vascular Dysfunction, and End-Organ Damage. Hypertension 2024; 81:776-786. [PMID: 38240165 PMCID: PMC10954408 DOI: 10.1161/hypertensionaha.123.21888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/03/2024] [Indexed: 01/30/2024]
Abstract
BACKGROUND Aldosterone has been described to initiate cardiovascular diseases by triggering exacerbated sterile vascular inflammation. The functions of CCL5 (C-C motif chemokine ligand 5) and its receptor CCR5 (C-C motif chemokine receptor 5) are well known in infectious diseases, their contributions to aldosterone-induced vascular injury and hypertension remain unknown. METHODS We analyzed the vascular profile, blood pressure, and renal damage in wild-type (CCR5+/+) and CCR5 knockout (CCR5-/-) mice treated with aldosterone (600 µg/kg per day for 14 days) while receiving 1% saline to drink. Vascular function was analyzed in aorta and mesenteric arteries, blood pressure was measured by telemetry and renal injury and inflammation were analyzed via histology and flow cytometry. Endothelial cells were used to study the molecular signaling whereby CCL5 induces endothelial dysfunction. RESULTS Aldosterone treatment resulted in exaggerated CCL5 circulating levels and vascular CCR5 expression in CCR5+/+ mice accompanied by endothelial dysfunction, hypertension, and renal inflammation and damage. CCR5-/- mice were protected from these aldosterone-induced effects. Mechanistically, we demonstrated that CCL5 increased NOX1 (NADPH oxidase 1) expression, reactive oxygen species formation, NFκB (nuclear factor kappa B) activation, and inflammation and reduced NO production in isolated endothelial cells. These effects were abolished by antagonizing CCR5 with Maraviroc. Finally, aorta incubated with CCL5 displayed severe endothelial dysfunction, which is prevented by blocking NOX1, NFκB, or CCR5. CONCLUSIONS Our data demonstrate that CCL5/CCR5, through activation of NFκB and NOX1, is critically involved in aldosterone-induced vascular and renal damage and hypertension placing CCL5 and CCR5 as potential therapeutic targets for conditions characterized by aldosterone excess.
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Affiliation(s)
- Rafael M Costa
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Department of Medicine, Division of Cardiology (R.M.C., P.D.), University of Pittsburgh, PA
- Academic Unit of Health Sciences, Federal University of Jatai, GO, Brazil (R.M.C.)
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil (R.M.C.)
| | - Débora M Cerqueira
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Nephrology Division at UPMC Children's Hospital of Pittsburgh (D.M.C., J.H.), University of Pittsburgh, PA
| | - Ariane Bruder-Nascimento
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
| | - Juliano V Alves
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
| | - Wanessa M C Awata
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
| | - Shubhnita Singh
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
| | - Alexander Kufner
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
- Department of Pharmacology and Chemical Biology (A.K., E.C.-P., P.J.P.), University of Pittsburgh, PA
| | - Douglas S Prado
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA (D.S.P., W.F.H., P.D.), University of Pittsburgh, PA
| | - Ebin Johny
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
| | - Eugenia Cifuentes-Pagano
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
- Department of Pharmacology and Chemical Biology (A.K., E.C.-P., P.J.P.), University of Pittsburgh, PA
| | - William F Hawse
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA (D.S.P., W.F.H., P.D.), University of Pittsburgh, PA
| | - Partha Dutta
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
- Department of Medicine, Division of Cardiology (R.M.C., P.D.), University of Pittsburgh, PA
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA (D.S.P., W.F.H., P.D.), University of Pittsburgh, PA
| | - Patrick J Pagano
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
- Department of Pharmacology and Chemical Biology (A.K., E.C.-P., P.J.P.), University of Pittsburgh, PA
| | - Jacqueline Ho
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Nephrology Division at UPMC Children's Hospital of Pittsburgh (D.M.C., J.H.), University of Pittsburgh, PA
| | - Thiago Bruder-Nascimento
- Department of Pediatrics at University of Pittsburgh Medical Center (UPMC) Children's Hospital of Pittsburgh, (R.M.C., D.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., J.H., T.B.-N.), University of Pittsburgh, PA
- Center for Pediatrics Research in Obesity and Metabolism at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Endocrinology Division at UPMC Children's Hospital of Pittsburgh (R.M.C., A.B.-N., J.V.A., W.M.C.A., S.S., T.B.-N.), University of Pittsburgh, PA
- Vascular Medicine Institute (A.K., E.J., E.C.-P., P.D., P.J.P., T.B.-N.), University of Pittsburgh, PA
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7
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Marković V, Szczepańska A, Berlicki Ł. Antiviral Protein-Protein Interaction Inhibitors. J Med Chem 2024; 67:3205-3231. [PMID: 38394369 PMCID: PMC10945500 DOI: 10.1021/acs.jmedchem.3c01543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 01/04/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024]
Abstract
Continually repeating outbreaks of pathogenic viruses necessitate the construction of effective antiviral strategies. Therefore, the development of new specific antiviral drugs in a well-established and efficient manner is crucial. Taking into account the strong ability of viruses to change, therapies with diversified molecular targets must be sought. In addition to the widely explored viral enzyme inhibitor approach, inhibition of protein-protein interactions is a very valuable strategy. In this Perspective, protein-protein interaction inhibitors targeting HIV, SARS-CoV-2, HCV, Ebola, Dengue, and Chikungunya viruses are reviewed and discussed. Antibodies, peptides/peptidomimetics, and small molecules constitute three classes of compounds that have been explored, and each of them has some advantages and disadvantages for drug development.
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Affiliation(s)
- Violeta Marković
- Wrocław
University of Science and Technology, Department
of Bioorganic Chemistry, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
- University
of Kragujevac, Faculty of Science,
Department of Chemistry, R. Domanovića 12, 34000 Kragujevac, Serbia
| | - Anna Szczepańska
- Wrocław
University of Science and Technology, Department
of Bioorganic Chemistry, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Łukasz Berlicki
- Wrocław
University of Science and Technology, Department
of Bioorganic Chemistry, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
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8
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Li K, Zhang Q. Eliminating the HIV tissue reservoir: current strategies and challenges. Infect Dis (Lond) 2024; 56:165-182. [PMID: 38149977 DOI: 10.1080/23744235.2023.2298450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/16/2023] [Indexed: 12/28/2023] Open
Abstract
BACKGROUND Acquired immunodeficiency syndrome (AIDS) is still one of the most widespread and harmful infectious diseases in the world. The presence of reservoirs housing the human immunodeficiency virus (HIV) represents a significant impediment to the development of clinically applicable treatments on a large scale. The viral load in the blood can be effectively reduced to undetectable levels through antiretroviral therapy (ART), and a higher concentration of HIV is sequestered in various tissues throughout the body, forming the tissue reservoir - the source of viremia after interruption treatment. METHODS We take the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) as a guideline for this review. In June 2023, we used the Pubmed, Embase, and Scopus databases to search the relevant literature published in the last decade. RESULTS Here we review the current strategies and treatments for eliminating the HIV tissue reservoirs: early and intensive therapy, gene therapy (including ribozyme, RNA interference, RNA aptamer, zinc finger enzyme, transcriptional activator-like effector nucleases (TALENs), and clustered regularly interspaced short palindromic repeats/associated nuclease 9 (CRISPR/Cas9)), 'Shock and Kill', 'Block and lock', immunotherapy (including therapeutic vaccines, broadly neutralising antibodies (bNAbs), chimeric antigen receptor T-cell immunotherapy (CAR-T)), and haematopoietic stem cell transplantation (HSCT). CONCLUSION The existence of an HIV reservoir is the main obstacle to the complete cure of AIDS. Choosing the appropriate strategy to deplete the HIV reservoir and achieve a functional cure for AIDS is the focus and difficulty of current research. So far, there has been a lot of research and progress in reducing the HIV reservoir, but in general, the current research is still very preliminary. Much research is still needed to properly assess the reliability, effectiveness, and necessity of these strategies.
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Affiliation(s)
- Kangpeng Li
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Qiang Zhang
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
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9
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Schauren JDS, de Oliveira AH, Consiglio CR, Monticielo OA, Xavier RM, Nunes NS, Ellwanger JH, Chies JAB. CCR5 promoter region polymorphisms in systemic lupus erythematosus. Int J Immunogenet 2024; 51:20-31. [PMID: 37984413 DOI: 10.1111/iji.12646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/26/2023] [Accepted: 11/09/2023] [Indexed: 11/22/2023]
Abstract
This study investigated the impacts of CCR5 promoter region polymorphisms on the development of systemic lupus erythematosus (SLE) by comparing CCR5 genotypes and haplotypes from SLE patients with ethnically matched controls. A total of 382 SLE patients (289 European-derived and 93 African-derived) and 375 controls (243 European-derived and 132 African-derived) were genotyped for the CCR2-64I G > A (rs1799864), CCR5-59353 C > T (rs1799988), CCR5-59356 C > T (rs41469351), CCR5-59402 A > G (rs1800023) and CCR5-59653 C > T (rs1800024) polymorphisms through polymerase chain reaction-restriction fragment length polymorphism and direct sequencing. Previous data from CCR5Δ32 analysis was included in the study to infer the CCR5 haplotypes and as a possible confounding factor in the binary logistic regression. European-derived patients showed a higher frequency of CCR5 wild-type genotype (conversely, a reduced frequency of Δ32 allele) and a reduced frequency of the HHG*2 haplotype compared to controls; both factors significantly affecting disease risk [p = .003 (OR 3.5, 95%CI 1.6-7.5) and 2.0% vs. 7.2% (residual p = 2.9E - 5), respectively]. Additionally, the HHA/HHB, HHC and HHG*2 haplotype frequencies differed between African-derived patients and controls [10% vs. 20.5% (residual p = .003), 29.4% vs. 17.4% (residual p = .003) and 3.9% vs. 0.8% (residual p = .023), respectively]. Considering the clinical manifestations of the disease, the CCR5Δ32 presence was confirmed as a susceptibility factor to class IV nephritis in the African-derived group and when all patients were grouped for comparison [pcorrected = .012 (OR 3.0; 95%CI 3.0-333.3) and pcorrected = .0006 (OR 6.8; 95%CI 1.9-24.8), respectively]. In conclusion, this study indicates that CCR5 promoter polymorphisms are important disease modifiers in SLE. Present data reinforces the CCR5Δ32 polymorphism as a protective factor for the development of the disease in European-derived patients and as a susceptibility factor for class IV nephritis in African-derived patients. Furthermore, we also described a reduced frequency of HHA/HHB and an increased frequency of HHC and HHG*2 haplotypes in African-derived patients, which could modify the CCR5 protein expression in specific cell subsets.
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Affiliation(s)
- Juliana da Silveira Schauren
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Postgraduate Program in Genetics and Molecular Biology (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Amanda Henrique de Oliveira
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Postgraduate Program in Genetics and Molecular Biology (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
- Postgraduate Program in Gastroenterology and Hepatology Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Camila Rosat Consiglio
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Postgraduate Program in Genetics and Molecular Biology (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Odirlei André Monticielo
- Division of Rheumatology, Department of Internal Medicine, Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Ricardo Machado Xavier
- Division of Rheumatology, Department of Internal Medicine, Hospital de Clínicas de Porto Alegre (HCPA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Natália Schneider Nunes
- Postgraduate Program in Gastroenterology and Hepatology Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
- Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Joel Henrique Ellwanger
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Postgraduate Program in Genetics and Molecular Biology (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - José Artur Bogo Chies
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Postgraduate Program in Genetics and Molecular Biology (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
- Postgraduate Program in Gastroenterology and Hepatology Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
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10
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Joseph E, Smith I, Tunge JA. Cobalt-catalyzed decarboxylative difluoroalkylation of nitrophenylacetic acid salts. Chem Sci 2023; 14:13902-13907. [PMID: 38075641 PMCID: PMC10699560 DOI: 10.1039/d3sc05583c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/13/2023] [Indexed: 02/12/2024] Open
Abstract
The selective installation of fluorine-containing groups into biologically relevant molecules has been used as a common strategy for the development of pharmaceutically active molecules. However, the selective incorporation of gem-difluoromethylene groups next to sterically demanding secondary and tertiary alkyl groups remains a challenge. Herein, we report the first cobalt-catalyzed regioselective difluoroalkylation of carboxylic acid salts. The reaction allows for the facile construction of various difluoroalkylated products in good yields tolerating a wide range of functionalities on either reaction partner. The potential of the method is illustrated by the late-stage functionalization of molecules of biological relevance. Mechanistic studies support the in situ formation of a cobalt(i) species and the intermediacy of difluoroalkyl radicals, thus suggesting a Co(i)/Co(ii)/Co(iii) catalytic cycle.
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Affiliation(s)
- Ebbin Joseph
- Department of Chemistry, The University of Kansas 1567 Irving Rd, Lawrence KS 66045 USA
| | - Ian Smith
- Department of Chemistry, The University of Kansas 1567 Irving Rd, Lawrence KS 66045 USA
| | - Jon A Tunge
- Department of Chemistry, The University of Kansas 1567 Irving Rd, Lawrence KS 66045 USA
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11
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Peng Y, Zong Y, Wang D, Chen J, Chen ZS, Peng F, Liu Z. Current drugs for HIV-1: from challenges to potential in HIV/AIDS. Front Pharmacol 2023; 14:1294966. [PMID: 37954841 PMCID: PMC10637376 DOI: 10.3389/fphar.2023.1294966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 10/11/2023] [Indexed: 11/14/2023] Open
Abstract
The human immunodeficiency virus (HIV) persists in latently infected CD4+T cells and integrates with the host genome until cell death. Acquired immunodeficiency syndrome (AIDS) is associated with HIV-1. Possibly, treating HIV/AIDS is an essential but challenging clinical goal. This review provides a detailed account of the types and mechanisms of monotherapy and combination therapy against HIV-1 and describes nanoparticle and hydrogel delivery systems. In particular, the recently developed capsid inhibitor (Lenacapavir) and the Ainuovirine/tenofovir disoproxil fumarate/lamivudine combination (ACC008) are described. It is interestingly to note that the lack of the multipass transmembrane proteins serine incorporator 3 (SERINC3) and the multipass transmembrane proteins serine incorporator 5 (SERINC5) may be one of the reasons for the enhanced infectivity of HIV-1. This discovery of SERINC3 and SERINC5 provides new ideas for HIV-1 medication development. Therefore, we believe that in treating AIDS, antiviral medications should be rationally selected for pre-exposure and post-exposure prophylaxis to avoid the emergence of drug resistance. Attention should be paid to the research and development of new drugs to predict HIV mutations as accurately as possible and to develop immune antibodies to provide multiple guarantees for the cure of AIDS.
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Affiliation(s)
- Yuan Peng
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Yanjun Zong
- Department of Medical Microbiology, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - Dongfeng Wang
- School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - Junbing Chen
- Department of Liver Surgery and Transplantation, Zhongshan Hospital, Liver Cancer Institute, Fudan University, Shanghai, China
- Key Laboratory of Carcinogenesis and Cancer Invasion, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, New York, NY, United States
| | - Fujun Peng
- School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - Zhijun Liu
- Department of Medical Microbiology, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
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12
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Toledo T, Castro T, Oliveira VG, Veloso VG, Grinsztejn B, Cardoso SW, Torres TS, Estrela R. Pharmacokinetics of Antiretroviral Drugs in Older People Living with HIV: A Systematic Review. Clin Pharmacokinet 2023; 62:1219-1230. [PMID: 37561283 DOI: 10.1007/s40262-023-01291-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND AND OBJECTIVE The life expectancy of people living with HIV (PLWHIV) has significantly improved in recent decades, mostly due to antiretroviral (ARV) therapy. Aging can affect the pharmacokinetics of drugs and, as a consequence, increase the risk of drug interactions and toxicity that may impact treatment. The aim of this study was to carry out a systematic review of the literature on the effect of aging on ARV pharmacokinetics. METHODS Searches were performed in the BVS, EMBASE and PUBMED databases until November 2022. All studies available in English, Spanish and Portuguese investigating the pharmacokinetics of ARV approved by the US Food and Drug Administration (FDA) from 2005 to 2020 were selected. Peer-reviewed publications were included if they met all criteria: adults (≥ 18 years of age) living with or without HIV; report any pharmacokinetic parameter or plasma concentration of at least one of the following ARVs: tenofovir alafenamide fumarate (TAF); doravirine (DOR), rilpivirine (RIL) and etravirine (ETR); darunavir (DRV), tipranavir (TPV) and fostemsavir (FTR); dolutegravir (DTG), raltegravir (RAL), bictegravir (BIC) and elvitegravir (EVG); maraviroc (MVC); ibalizumab (IBA); cobicistat (COBI). Pharmacokinetic parameters were reported stratified per age group: young adults (aged 18-49 years) or older (age ≥ 50 years) and all studies were evaluated for quality. The review protocol was registered in the PROSPERO database (registration number CRD42021236432). RESULTS Among 97 studies included, 20 reported pharmacokinetic evaluation in older individuals (age ≥ 50 years). Twenty five percent of the articles were phase I randomized clinical trials with HIV-negative participants and non-compartmental pharmacokinetic analysis presenting the parameters area under the curve (AUC) and peak drug concentration (Cmax). Seven age-stratified studies evaluated BIC, ETR, DRV, DTG, DOR and RAL. We found publications with discordant results for ETR and DTG pharmacokinetics in different age groups. DRV exposure was highly variable but modestly increased in aging PLWHIV. In contrast, no influence of age on BIC, DOR and RAL exposure was observed. A variability in pharmacokinetic parameters could be observed for the other ARVs (TAF and MVC) in different age groups. CONCLUSION Exposure to DRV increases modestly with age, while exposure to BIC, DOR and RAL appears to be unaffected by age. As the available evidence to confirm a potential effect of aging on ARV pharmacokinetics is limited, further studies are necessary.
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Affiliation(s)
- Thainá Toledo
- Sérgio Arouca National School of Public Health, ENSP Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Thales Castro
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil
| | - Vanessa G Oliveira
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil
| | | | - Beatriz Grinsztejn
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil
| | - Sandra Wagner Cardoso
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil
| | - Thiago S Torres
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil
| | - Rita Estrela
- Sérgio Arouca National School of Public Health, ENSP Fiocruz, Rio de Janeiro, RJ, Brazil.
- Evandro Chagas National Institute of Infectious Diseases, INI Fiocruz, Rio de Janeiro, Brazil.
- Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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13
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Grudzien P, Neufeld H, Ebe Eyenga M, Gaponenko V. Development of tolerance to chemokine receptor antagonists: current paradigms and the need for further investigation. Front Immunol 2023; 14:1184014. [PMID: 37575219 PMCID: PMC10420067 DOI: 10.3389/fimmu.2023.1184014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/27/2023] [Indexed: 08/15/2023] Open
Abstract
Chemokine G-protein coupled receptors are validated drug targets for many diseases, including cancer, neurological, and inflammatory disorders. Despite much time and effort spent on therapeutic development, very few chemokine receptor antagonists are approved for clinical use. Among potential reasons for the slow progress in developing chemokine receptor inhibitors, antagonist tolerance, a progressive reduction in drug efficacy after repeated administration, is likely to play a key role. The mechanisms leading to antagonist tolerance remain poorly understood. In many cases, antagonist tolerance is accompanied by increased receptor concentration on the cell surface after prolonged exposure to chemokine receptor antagonists. This points to a possible role of altered receptor internalization and presentation on the cell surface, as has been shown for agonist (primarily opioid) tolerance. In addition, examples of antagonist tolerance in the context of other G-protein coupled receptors suggest the involvement of noncanonical signal transduction in opposing the effects of the antagonists. In this review, we summarize the available progress and challenges in therapeutic development of chemokine receptor antagonists, describe the available knowledge about antagonist tolerance, and propose new avenues for future investigation of this important phenomenon. Furthermore, we highlight the modern methodologies that have the potential to reveal novel mechanisms leading to antagonist tolerance and to propel the field forward by advancing the development of potent "tolerance-free" antagonists of chemokine receptors.
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Affiliation(s)
| | | | | | - Vadim Gaponenko
- Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
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14
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Dunbar KJ, Karakasheva TA, Tang Q, Efe G, Lin EW, Harris M, Sahu V, Sachdeva UM, Hu J, Klein-Szanto AJ, Henick B, Diehl JA, Nakagawa H, Rustgi AK. Tumor-Derived CCL5 Recruits Cancer-Associated Fibroblasts and Promotes Tumor Cell Proliferation in Esophageal Squamous Cell Carcinoma. Mol Cancer Res 2023; 21:741-752. [PMID: 37027010 PMCID: PMC10330279 DOI: 10.1158/1541-7786.mcr-22-0872] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/17/2023] [Accepted: 04/05/2023] [Indexed: 04/08/2023]
Abstract
Cancer-associated fibroblasts (CAF) can promote tumor growth, metastasis, and therapeutic resistance in esophageal squamous cell carcinoma (ESCC), but the mechanisms of action remain elusive. Our objective was to identify secreted factor(s) that mediate the communication between CAFs and ESCC tumor cells with the aim of identifying potential druggable targets. Through unbiased cytokine arrays, we have identified CC motif chemokine ligand 5 (CCL5) as a secreted factor that is increased upon co-culture of ESCC cells and CAFs, which we replicated in esophageal adenocarcinoma (EAC) with CAFs. Loss of tumor-cell-derived CCL5 reduces ESCC cell proliferation in vitro and in vivo and we propose this is mediated, in part, by a reduction in ERK1/2 signaling. Loss of tumor-derived CCL5 reduces the percentage of CAFs recruited to xenograft tumors in vivo. CCL5 is a ligand for the CC motif receptor 5 (CCR5), for which a clinically approved inhibitor exists, namely Maraviroc. Maraviroc treatment reduced tumor volume, CAF recruitment, and ERK1/2 signaling in vivo, thus, mimicking the effects observed with genetic loss of CCL5. High CCL5 or CCR5 expression is associated with worse prognosis in low-grade esophageal carcinomas. IMPLICATIONS These data highlight the role of CCL5 in tumorigenesis and the therapeutic potential of targeting the CCL5-CCR5 axis in ESCC.
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Affiliation(s)
- Karen J. Dunbar
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Tatiana A. Karakasheva
- Gastrointestinal Epithelium Modeling Program, Division of Gastroenterology, Hepatology and Nutrition, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
| | - Qiaosi Tang
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Gizem Efe
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Eric W. Lin
- Gastrointestinal Unit, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Michael Harris
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Varun Sahu
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Uma M. Sachdeva
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
- Division of Thoracic Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - Jianhua Hu
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Andres J. Klein-Szanto
- Department of Pathology and Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Brian Henick
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - J. Alan Diehl
- Department of Biochemistry, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA
| | - Hiroshi Nakagawa
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Anil K. Rustgi
- Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
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15
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Chen MJ, Gatignol A, Scarborough RJ. The discovery and development of RNA-based therapies for treatment of HIV-1 infection. Expert Opin Drug Discov 2023; 18:163-179. [PMID: 36004505 DOI: 10.1080/17460441.2022.2117296] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Long-term control of HIV-1 infection can potentially be achieved using autologous stem cell transplants with gene-modified cells. Non-coding RNAs represent a diverse class of therapeutic agents including ribozymes, RNA aptamers and decoys, small interfering RNAs, short hairpin RNAs, and U1 interference RNAs that can be designed to inhibit HIV-1 replication. They have been engineered for delivery as drugs to complement current HIV-1 therapies and as gene therapies for a potential HIV-1 functional cure. AREAS COVERED This review surveys the past three decades of development of these RNA technologies with a focus on their efficacy and safety for treating HIV-1 infections. We describe the mechanisms of each RNA-based agent, targets they have been developed against, efforts to enhance their stability and efficacy, and we evaluate their performance in past and ongoing preclinical and clinical trials. EXPERT OPINION RNA-based technologies are among the top candidates for gene therapies where they can be stably expressed for long-term suppression of HIV-1. Advances in both gene and drug delivery strategies and improvements to non-coding RNA stability and antiviral properties will cooperatively drive forward progress in improving drug therapy and engineering HIV-1 resistant cells.
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Affiliation(s)
- Michelle J Chen
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Department of Medicine, Division of Experimental Medicine, McGill University, Montréal, Québec, Canada
| | - Anne Gatignol
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Department of Medicine, Division of Experimental Medicine, McGill University, Montréal, Québec, Canada.,Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada
| | - Robert J Scarborough
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada
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16
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Wang J, Bian L, Du Y, Wang D, Jiang R, Lu J, Zhao X. The roles of chemokines following intracerebral hemorrhage in animal models and humans. Front Mol Neurosci 2023; 15:1091498. [PMID: 36704330 PMCID: PMC9871786 DOI: 10.3389/fnmol.2022.1091498] [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: 11/07/2022] [Accepted: 12/12/2022] [Indexed: 01/12/2023] Open
Abstract
Intracerebral hemorrhage (ICH) is one common yet devastating stroke subtype, imposing considerable burdens on families and society. Current guidelines are limited to symptomatic treatments after ICH, and the death rate remains significant in the acute stage. Thus, it is crucial to promote research to develop new targets on brain injury after ICH. In response to hematoma formation, amounts of chemokines are released in the brain, triggering the infiltration of resident immune cells in the brain and the chemotaxis of peripheral immune cells via the broken blood-brain barrier. During the past decades, mounting studies have focused on the roles of chemokines and their receptors in ICH injury. This review summarizes the latest advances in the study of chemokine functions in the ICH. First, we provide an overview of ICH epidemiology and underlying injury mechanisms in the pathogenesis of ICH. Second, we introduce the biology of chemokines and their receptors in brief. Third, we outline the roles of chemokines in ICH according to subgroups, including CCL2, CCL3, CCL5, CCL12, CCL17, CXCL8, CXCL12, and CX3CL1. Finally, we summarize current drug usage targeting chemokines in ICH and other cardio-cerebrovascular diseases. This review discusses the expressions of these chemokines and receptors under normal or hemorrhagic conditions and cell-specific sources. Above all, we highlight the related data of these chemokines in the progression and outcomes of the ICH disease in preclinical and clinical studies and point to therapeutic opportunities targeting chemokines productions and interactions in treating ICH, such as accelerating hematoma absorption and alleviating brain edema.
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Affiliation(s)
- Jinjin Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Liheng Bian
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Yang Du
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Dandan Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Ruixuan Jiang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Jingjing Lu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China,*Correspondence: Jingjing Lu, ✉
| | - Xingquan Zhao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China,Research Unit of Artificial Intelligence in Cerebrovascular Disease, Chinese Academy of Medical Sciences, Beijing, China,Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China,Xingquan Zhao, ✉
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17
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Xie X, Zheng YG, Chen H, Li J, Luo RH, Chen L, Zheng CB, Zhang S, Peng P, Ma D, Yang LM, Zheng YT, Liu H, Wang J. Structure-Based Design of Tropane Derivatives as a Novel Series of CCR5 Antagonists with Broad-Spectrum Anti-HIV-1 Activities and Improved Oral Bioavailability. J Med Chem 2022; 65:16526-16540. [PMID: 36472561 DOI: 10.1021/acs.jmedchem.2c01383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Blocking the entry of an HIV-1 targeting CCR5 coreceptor has emerged as an attractive strategy to develop HIV therapeutics. Maraviroc is the only CCR5 antagonist approved by FDA; however, serious side effects limited its clinical use. Herein, 21 novel tropane derivatives (6-26) were designed and synthesized based on the CCR5-maraviroc complex structure. Among them, compounds 25 and 26 had comparable activity to maraviroc and presented more potent inhibitory activity against a series of HIV-1 strains. In addition, compound 26 exhibited synergistic or additive antiviral effects in combination with other antiretroviral agents. Compared to maraviroc, both 25 and 26 displayed higher Cmax and AUC0-∞ and improved oral bioavailability in SD rats. In addition, compounds 25 and 26 showed no significant CYP450 inhibition and showed a novel binding mode with CCR5 different from that of maraviroc-CCR5. In summary, compounds 25 and 26 are promising drug candidates for the treatment of HIV-1 infection.
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Affiliation(s)
- Xiong Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Gui Zheng
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences /Key Laboratory of Bioactive Peptides of Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China.,School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, China.,Department of Pharmacy, Guangdong Women and Children Hospital, Guangzhou 511400, China
| | - Huan Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences /Key Laboratory of Bioactive Peptides of Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Jian Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Rong-Hua Luo
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences /Key Laboratory of Bioactive Peptides of Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Liang Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Chang-Bo Zheng
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, China
| | - Shurui Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China.,Lingang Laboratory, Shanghai 200031, China
| | - Panfeng Peng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Dakota Ma
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Liu-Meng Yang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences /Key Laboratory of Bioactive Peptides of Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Yong-Tang Zheng
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences /Key Laboratory of Bioactive Peptides of Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Center for Biosafety Mega-Science, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Hong Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiang Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,Lingang Laboratory, Shanghai 200031, China
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18
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Naming the Barriers between Anti-CCR5 Therapy, Breast Cancer and Its Microenvironment. Int J Mol Sci 2022; 23:ijms232214159. [PMID: 36430633 PMCID: PMC9694078 DOI: 10.3390/ijms232214159] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022] Open
Abstract
Breast cancer represents the most common malignancy among women in the world. Although immuno-, chemo- and radiation therapy are widely recognized as the therapeutic trifecta, new strategies in the fight against breast cancer are continually explored. The local microenvironment around the tumor plays a great role in cancer progression and invasion, representing a promising therapeutic target. CCL5 is a potent chemokine with a physiological role of immune cell attraction and has gained particular attention in R&D for breast cancer treatment. Its receptor, CCR5, is a well-known co-factor for HIV entry through the cell membrane. Interestingly, biology research is unusually unified in describing CCL5 as a pro-oncogenic factor, especially in breast cancer. In silico, in vitro and in vivo studies blocking the CCL5/CCR5 axis show cancer cells become less invasive and less malignant, and the extracellular matrices produced are less oncogenic. At present, CCR5 blocking is a mainstay of HIV treatment, but despite its promising role in cancer treatment, CCR5 blocking in breast cancer remains unperformed. This review presents the role of the CCL5/CCR5 axis and its effector mechanisms, and names the most prominent hurdles for the clinical adoption of anti-CCR5 drugs in cancer.
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19
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Secchi M, Vangelista L. Rational Engineering of a Sub-Picomolar HIV-1 Blocker. Viruses 2022; 14:v14112415. [PMID: 36366513 PMCID: PMC9695723 DOI: 10.3390/v14112415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
With the aim of rationally devising a refined and potent HIV-1 blocker, the cDNA of CCL5 5p12 5m, an extremely potent CCR5 antagonist, was fused to that of C37, a gp41-targeted fusion inhibitor. The resulting CCL5 5p12 5m-C37 fusion protein was expressed in E. coli and proved to be capable of inhibiting R5 HIV-1 strains with low to sub-picomolar IC50, maintaining its antagonism toward CCR5. In addition, CCL5 5p12 5m-C37 inhibits R5/X4 and X4 HIV-1 strains in the picomolar concentration range. The combination of CCL5 5p12 5m-C37 with tenofovir (TDF) exhibited a synergic effect, promoting this antiviral cocktail. Interestingly, a CCR5-targeted combination of maraviroc (MVC) with CCL5 5p12 5m-C37 led to a synergic effect that could be explained by an extensive engagement of different CCR5 conformational populations. Within the mechanism of HIV-1 entry, the CCL5 5p12 5m-C37 chimera may fit as a powerful blocker in several instances. In its possible consideration for systemic therapy or pre-exposure prophylaxis, this protein design represents an interesting lead in the combat of HIV-1 infection.
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Affiliation(s)
- Massimiliano Secchi
- Protein Engineering and Therapeutics Group, Department of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, 20132 Milan, Italy
- DNA Enzymology and Molecular Virology Unit, Institute of Molecular Genetics, National Research Council, 27100 Pavia, Italy
| | - Luca Vangelista
- Protein Engineering and Therapeutics Group, Department of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, 20132 Milan, Italy
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan
- Correspondence:
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20
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Dean LS, SahBandar IN, Shikuma CM. Identification and Implications of HIV-1 CRF01_AE Subtype in Hawai'i. HAWAI'I JOURNAL OF HEALTH & SOCIAL WELFARE 2022; 81:215-217. [PMID: 35923383 PMCID: PMC9344534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Human Immunodeficiency Virus has a high propensity for genetic variation, demonstrated by its complex phylogeny and multiplicity of subtypes. Subtype B is predominant in North America as well as in Hawai'i while CRF01_AE is found in over 50% of cases in the Philippines and Southeast Asia. In a small collaborative study between the Hawai'i Center for AIDS and Philippines General Hospital, molecular phylogenetic subtyping was conducted on HIV+ participants. Two of 15 (13%) participants from the Hawai'i cohort and 12 of 21 (57%) participants from the Philippines cohort were identified as having CRF01_AE subtype of HIV-1, with remaining participants identified as subtype B. While one individual in Hawai'i with CRF01_AE had emigrated from the Philippines, the other participant from Hawai'i with CRF01_AE subtype was a local individual, born and raised in Hawai'i. The authors report that HIV subtype diversity may be increased in Hawai'i and discuss its potential clinical and public health implications.
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Affiliation(s)
- Logan S. Dean
- John A. Burns School of Medicine, University of Hawai‘i, Honolulu, HI (LSD, INS, CMS)
| | | | - Cecilia M. Shikuma
- John A. Burns School of Medicine, University of Hawai‘i, Honolulu, HI (LSD, INS, CMS)
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21
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Le ND, Steinfort M, Grandgirard D, Maleska A, Leppert D, Kuhle J, Leib SL. The CCR5 antagonist maraviroc exerts limited neuroprotection without improving neurofunctional outcome in experimental pneumococcal meningitis. Sci Rep 2022; 12:12945. [PMID: 35902720 PMCID: PMC9334283 DOI: 10.1038/s41598-022-17282-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/22/2022] [Indexed: 11/10/2022] Open
Abstract
One-third of pneumococcal meningitis (PM) survivors suffer from neurological sequelae including learning disabilities and hearing loss due to excessive neuroinflammation. There is a lack of efficacious compounds for adjuvant therapy to control this long-term consequence of PM. One hallmark is the recruitment of leukocytes to the brain to combat the bacterial spread. However, this process induces excessive inflammation, causing neuronal injury. Maraviroc (MVC)-a CCR5 antagonist-was demonstrated to inhibit leukocyte recruitment and attenuate neuroinflammation in several inflammatory diseases. Here, we show that in vitro, MVC decreased nitric oxide production in astroglial cells upon pneumococcal stimulation. In vivo, infant Wistar rats were infected with 1 × 104 CFU/ml S. pneumoniae and randomized for treatment with ceftriaxone plus MVC (100 mg/kg) or ceftriaxone monotherapy. During the acute phase, neuroinflammation in the CSF was measured and histopathological analyses were performed to determine neuronal injury. Long-term neurofunctional outcome (learning/memory and hearing capacity) after PM was assessed. MVC treatment reduced hippocampal cell apoptosis but did not affect CSF neuroinflammation and the neurofunctional outcome after PM. We conclude that MVC treatment only exerted limited effect on the pathophysiology of PM and is, therefore, not sufficiently beneficial in this experimental paradigm of PM.
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Affiliation(s)
- Ngoc Dung Le
- Neuroinfection Laboratory, Institute for Infectious Diseases, University of Bern, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences (GCB), University of Bern, Bern, Switzerland
| | - Marel Steinfort
- Neuroinfection Laboratory, Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Denis Grandgirard
- Neuroinfection Laboratory, Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Aleksandra Maleska
- Multiple Sclerosis Centre, Neurology, Departments of Head, Spine and Neuromedicine, Biomedicine and Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience (RC2NB), University Hospital and University of Basel, Basel, Switzerland
| | - David Leppert
- Multiple Sclerosis Centre, Neurology, Departments of Head, Spine and Neuromedicine, Biomedicine and Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience (RC2NB), University Hospital and University of Basel, Basel, Switzerland
| | - Jens Kuhle
- Multiple Sclerosis Centre, Neurology, Departments of Head, Spine and Neuromedicine, Biomedicine and Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience (RC2NB), University Hospital and University of Basel, Basel, Switzerland
| | - Stephen L Leib
- Neuroinfection Laboratory, Institute for Infectious Diseases, University of Bern, Bern, Switzerland.
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22
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Wang J, Saung MT, Li K, Fu J, Fujiwara K, Niu N, Muth S, Wang J, Xu Y, Rozich N, Zlomke H, Chen S, Espinoza B, Henderson M, Funes V, Herbst B, Ding D, Twyman-Saint Victor C, Zhao Q, Narang A, He J, Zheng L. CCR2/CCR5 inhibitor permits the radiation-induced effector T cell infiltration in pancreatic adenocarcinoma. J Exp Med 2022; 219:e20211631. [PMID: 35404390 PMCID: PMC9006312 DOI: 10.1084/jem.20211631] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 01/10/2022] [Accepted: 03/07/2022] [Indexed: 12/26/2022] Open
Abstract
The resistance of pancreatic ductal adenocarcinoma (PDAC) to immune checkpoint inhibitors (ICIs) is attributed to the immune-quiescent and -suppressive tumor microenvironment (TME). We recently found that CCR2 and CCR5 were induced in PDAC following treatment with anti-PD-1 antibody (αPD-1); thus, we examined PDAC vaccine or radiation therapy (RT) as T cell priming mechanisms together with BMS-687681, a dual antagonist of CCR2 and CCR5 (CCR2/5i), in combination with αPD-1 as new treatment strategies. Using PDAC mouse models, we demonstrated that RT followed by αPD-1 and prolonged treatment with CCR2/5i conferred better antitumor efficacy than other combination treatments tested. The combination of RT + αPD-1 + CCR2/5i enhanced intratumoral effector and memory T cell infiltration but suppressed regulatory T cell, M2-like tumor-associated macrophage, and myeloid-derived suppressive cell infiltration. RNA sequencing showed that CCR2/5i partially inhibited RT-induced TLR2/4 and RAGE signaling, leading to decreased expression of immunosuppressive cytokines including CCL2/CCL5, but increased expression of effector T cell chemokines such as CCL17/CCL22. This study thus supports the clinical development of CCR2/5i in combination with RT and ICIs for PDAC treatment.
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Affiliation(s)
- Jianxin Wang
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - May Tun Saung
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Keyu Li
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Juan Fu
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kenji Fujiwara
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Nan Niu
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Stephen Muth
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Junke Wang
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Yao Xu
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Noah Rozich
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Haley Zlomke
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sophia Chen
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Birginia Espinoza
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - MacKenzie Henderson
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Vanessa Funes
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Brian Herbst
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Ding Ding
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
| | | | | | - Amol Narang
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Radiation Oncology, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jin He
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Lei Zheng
- Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
- Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD
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23
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Kao CC, Nie Y, Ren S, De Costa NTTS, Pandey RK, Hong J, Smith DB, Symons JA, Beigelman L, Blatt LM. Mechanism of action of hepatitis B virus S antigen transport-inhibiting oligonucleotide polymer, STOPS, molecules. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 27:335-348. [PMID: 35024245 PMCID: PMC8717253 DOI: 10.1016/j.omtn.2021.12.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 12/09/2021] [Indexed: 12/16/2022]
Abstract
A functional cure of chronic hepatitis B requires eliminating the hepatitis B virus (HBV)-encoded surface antigen (HBsAg), which can suppress immune responses. STOPS are phosphorothioated single-stranded oligonucleotides containing novel chemistries that significantly reduce HBsAgs produced by HBV-infected liver cells. The STOPS molecule ALG-10000 functions inside cells to reduce the levels of multiple HBV-encoded molecules. However, it does not bind HBV molecules. An affinity resin coupled with ALG-10000 was found to bind several proteins from liver cells harboring replicating HBV. Silencing RNAs targeting host factors SRSF1, HNRNPA2B1, GRP78 (HspA5), RPLP1, and RPLP2 reduced HBsAg levels and other HBV molecules that are concomitantly reduced by STOPS. Host proteins RPLP1/RPLP2 and GRP78 function in the translation of membrane proteins, protein folding, and degradation. ALG-10000 and the knockdowns of RPLP1/2 and GRP78 decreased the levels of HBsAg and increased their ubiquitination and proteasome degradation. GRP78, RPLP1, and RPLP2 affected HBsAg production only when HBsAg was expressed with HBV regulatory sequences, suggesting that HBV has evolved to engage with these STOPS-interacting molecules. The STOPS inhibition of HBsAg levels in HBV-infected cells occurs by sequestering cellular proteins needed for proper expression and folding of HBsAg.
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Affiliation(s)
- C Cheng Kao
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Yuchun Nie
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Suping Ren
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | | | - Rajendra K Pandey
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Jin Hong
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - David B Smith
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Julian A Symons
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Leonid Beigelman
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
| | - Lawrence M Blatt
- Aligos Therapeutics, Inc., 1 Corporate Drive, South San Francisco, CA 94080, USA
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24
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Amerzhanova Y, Vangelista L. Filling the Gaps in Antagonist CCR5 Binding, a Retrospective and Perspective Analysis. Front Immunol 2022; 13:826418. [PMID: 35126399 PMCID: PMC8807524 DOI: 10.3389/fimmu.2022.826418] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/03/2022] [Indexed: 02/01/2023] Open
Abstract
The large number of pathologies that position CCR5 as a central molecular determinant substantiates the studies aimed at understanding receptor-ligand interactions, as well as the development of compounds that efficiently block this receptor. This perspective focuses on CCR5 antagonism as the preferred landscape for therapeutic intervention, thus the receptor active site occupancy by known antagonists of different origins is overviewed. CCL5 is a natural agonist ligand for CCR5 and an extensively studied scaffold for CCR5 antagonists production through chemokine N-terminus modification. A retrospective 3D modeling analysis on recently developed CCL5 mutants and their contribution to enhanced anti-HIV-1 activity is reported here. These results allow us to prospect the development of conceptually novel amino acid substitutions outside the CCL5 N-terminus hotspot. CCR5 interaction improvement in regions distal to the chemokine N-terminus, as well as the stabilization of the chemokine hydrophobic core are strategies that influence binding affinity and stability beyond the agonist/antagonist dualism. Furthermore, the development of allosteric antagonists topologically remote from the orthosteric site (e.g., intracellular or membrane-embedded) is an intriguing new avenue in GPCR druggability and thus a conceivable novel direction for CCR5 blockade. Ultimately, the three-dimensional structure elucidation of the interaction between various ligands and CCR5 helps illuminate the active site occupancy and mechanism of action.
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25
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Tripathi D, Sodani M, Gupta PK, Kulkarni S. Host directed therapies: COVID-19 and beyond. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2021; 2:100058. [PMID: 34870156 PMCID: PMC8464038 DOI: 10.1016/j.crphar.2021.100058] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/14/2021] [Accepted: 09/19/2021] [Indexed: 12/15/2022] Open
Abstract
The global spread of SARS-CoV-2 has necessitated the development of novel, safe and effective therapeutic agents against this virus to stop the pandemic, however the development of novel antivirals may take years, hence, the best alternative available, is to repurpose the existing antiviral drugs with known safety profile in humans. After more than one year into this pandemic, global efforts have yielded the fruits and with the launch of many vaccines in the market, the world is inching towards the end of this pandemic, nonetheless, future pandemics of this magnitude or even greater cannot be denied. The preparedness against viruses of unknown origin should be maintained and the broad-spectrum antivirals with activity against range of viruses should be developed to curb future viral pandemics. The majority of antivirals developed till date are pathogen specific agents, which target critical viral pathways and lack broad spectrum activity required to target wide range of viruses. The surge in drug resistance among pathogens has rendered a compelling need to shift our focus towards host directed factors in the treatment of infectious diseases. This gains special relevance in the case of viral infections, where the pathogen encodes a handful of genes and predominantly depends on host factors for their propagation and persistence. Therefore, future antiviral drug development should focus more on targeting molecules of host pathways that are often hijacked by many viruses. Such cellular proteins of host pathways offer attractive targets for the development of broad-spectrum anticipatory antivirals. In the present article, we have reviewed the host directed therapies (HDTs) effective against viral infections with a special focus on COVID-19. This article also discusses the strategies involved in identifying novel host targets and subsequent development of broad spectrum HDTs.
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Affiliation(s)
- Devavrat Tripathi
- Radiation Medicine Centre, Bhabha Atomic Research Centre, C/O Tata Memorial Hospital Annexe, Parel, Mumbai, 400012, India
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India
| | - Megha Sodani
- Radiation Medicine Centre, Bhabha Atomic Research Centre, C/O Tata Memorial Hospital Annexe, Parel, Mumbai, 400012, India
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India
| | - Pramod Kumar Gupta
- Radiation Medicine Centre, Bhabha Atomic Research Centre, C/O Tata Memorial Hospital Annexe, Parel, Mumbai, 400012, India
- Corresponding author.
| | - Savita Kulkarni
- Radiation Medicine Centre, Bhabha Atomic Research Centre, C/O Tata Memorial Hospital Annexe, Parel, Mumbai, 400012, India
- Homi Bhabha National Institute, Anushakti Nagar, Mumbai, 400094, India
- Corresponding author. Radiation Medicine Centre, Bhabha Atomic Research Centre, C/O Tata Memorial Hospital Annexe, Parel, Mumbai, 400012, India.
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26
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Li J, Boix E. Host Defence RNases as Antiviral Agents against Enveloped Single Stranded RNA Viruses. Virulence 2021; 12:444-469. [PMID: 33660566 PMCID: PMC7939569 DOI: 10.1080/21505594.2021.1871823] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/26/2020] [Accepted: 12/30/2020] [Indexed: 02/06/2023] Open
Abstract
Owing to the recent outbreak of Coronavirus Disease of 2019 (COVID-19), it is urgent to develop effective and safe drugs to treat the present pandemic and prevent other viral infections that might come in the future. Proteins from our own innate immune system can serve as ideal sources of novel drug candidates thanks to their safety and immune regulation versatility. Some host defense RNases equipped with antiviral activity have been reported over time. Here, we try to summarize the currently available information on human RNases that can target viral pathogens, with special focus on enveloped single-stranded RNA (ssRNA) viruses. Overall, host RNases can fight viruses by a combined multifaceted strategy, including the enzymatic target of the viral genome, recognition of virus unique patterns, immune modulation, control of stress granule formation, and induction of autophagy/apoptosis pathways. The review also includes a detailed description of representative enveloped ssRNA viruses and their strategies to interact with the host and evade immune recognition. For comparative purposes, we also provide an exhaustive revision of the currently approved or experimental antiviral drugs. Finally, we sum up the current perspectives of drug development to achieve successful eradication of viral infections.
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Affiliation(s)
- Jiarui Li
- Dpt. Of Biochemistry and Molecular Biology, Faculty of Biosciences, Universitat Autònoma De Barcelona, Spain
| | - Ester Boix
- Dpt. Of Biochemistry and Molecular Biology, Faculty of Biosciences, Universitat Autònoma De Barcelona, Spain
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27
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Bhargavan B, Woollard SM, McMillan JE, Kanmogne GD. CCR5 antagonist reduces HIV-induced amyloidogenesis, tau pathology, neurodegeneration, and blood-brain barrier alterations in HIV-infected hu-PBL-NSG mice. Mol Neurodegener 2021; 16:78. [PMID: 34809709 PMCID: PMC8607567 DOI: 10.1186/s13024-021-00500-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 11/03/2021] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Neurocognitive impairment is present in 50% of HIV-infected individuals and is often associated with Alzheimer's Disease (AD)-like brain pathologies, including increased amyloid-beta (Aβ) and Tau hyperphosphorylation. Here, we aimed to determine whether HIV-1 infection causes AD-like pathologies in an HIV/AIDS humanized mouse model, and whether the CCR5 antagonist maraviroc alters HIV-induced pathologies. METHODS NOD/scid-IL-2Rγcnull mice engrafted with human blood leukocytes were infected with HIV-1, left untreated or treated with maraviroc (120 mg/kg twice/day). Human cells in animal's blood were quantified weekly by flow cytometry. Animals were sacrificed at week-3 post-infection; blood and tissues viral loads were quantified using p24 antigen ELISA, RNAscope, and qPCR. Human (HLA-DR+) cells, Aβ-42, phospho-Tau, neuronal markers (MAP 2, NeuN, neurofilament-L), gamma-secretase activating protein (GSAP), and blood-brain barrier (BBB) tight junction (TJ) proteins expression and transcription were quantified in brain tissues by immunohistochemistry, immunofluorescence, immunoblotting, and qPCR. Plasma Aβ-42, Aβ-42 cellular uptake, release and transendothelial transport were quantified by ELISA. RESULTS HIV-1 significantly decreased human (h)CD4+ T-cells and hCD4/hCD8 ratios; decreased the expression of BBB TJ proteins claudin-5, ZO-1, ZO-2; and increased HLA-DR+ cells in brain tissues. Significantly, HIV-infected animals showed increased plasma and brain Aβ-42 and phospho-Tau (threonine181, threonine231, serine396, serine199), associated with transcriptional upregulation of GSAP, an enzyme that catalyzes Aβ formation, and loss of MAP 2, NeuN, and neurofilament-L. Maraviroc treatment significantly reduced blood and brain viral loads, prevented HIV-induced loss of neuronal markers and TJ proteins; decreased HLA-DR+ cells infiltration in brain tissues, significantly reduced HIV-induced increase in Aβ-42, GSAP, and phospho-Tau. Maraviroc also reduced Aβ retention and increased Aβ release in human macrophages; decreased the receptor for advanced glycation end products (RAGE) and increased low-density lipoprotein receptor-related protein-1 (LRP1) expression in human brain endothelial cells. Maraviroc induced Aβ transendothelial transport, which was blocked by LRP1 antagonist but not RAGE antagonist. CONCLUSIONS Maraviroc significantly reduced HIV-induced amyloidogenesis, GSAP, phospho-Tau, neurodegeneration, BBB alterations, and leukocytes infiltration into the CNS. Maraviroc increased cellular Aβ efflux and transendothelial Aβ transport via LRP1 pathways. Thus, therapeutically targeting CCR5 could reduce viremia, preserve the BBB and neurons, increased brain Aβ efflux, and reduce AD-like neuropathologies.
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Affiliation(s)
- Biju Bhargavan
- Department of Pharmacology and Experimental Neuroscience, College of Medicine, University of Nebraska Medical Center, 985800 Nebraska Medical Center, Omaha, NE 68198-5800 USA
| | - Shawna M. Woollard
- Department of Pharmacology and Experimental Neuroscience, College of Medicine, University of Nebraska Medical Center, 985800 Nebraska Medical Center, Omaha, NE 68198-5800 USA
- Huvepharma, 421 W Industrial Lake Drive, Lincoln, NE 68528 USA
| | - Jo Ellyn McMillan
- Department of Pharmacology and Experimental Neuroscience, College of Medicine, University of Nebraska Medical Center, 985800 Nebraska Medical Center, Omaha, NE 68198-5800 USA
| | - Georgette D. Kanmogne
- Department of Pharmacology and Experimental Neuroscience, College of Medicine, University of Nebraska Medical Center, 985800 Nebraska Medical Center, Omaha, NE 68198-5800 USA
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The Methanolic Extract of Perilla frutescens Robustly Restricts Ebola Virus Glycoprotein-Mediated Entry. Viruses 2021; 13:v13091793. [PMID: 34578374 PMCID: PMC8473196 DOI: 10.3390/v13091793] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/25/2021] [Accepted: 09/04/2021] [Indexed: 11/17/2022] Open
Abstract
Ebola virus (EBOV), one of the most infectious human viruses and a leading cause of viral hemorrhagic fever, imposes a potential public health threat with several recent outbreaks. Despite the difficulties associated with working with this pathogen in biosafety level-4 containment, a protective vaccine and antiviral therapeutic were recently approved. However, the high mortality rate of EBOV infection underscores the necessity to continuously identify novel antiviral strategies to help expand the scope of prophylaxis/therapeutic management against future outbreaks. This includes identifying antiviral agents that target EBOV entry, which could improve the management of EBOV infection. Herein, using EBOV glycoprotein (GP)-pseudotyped particles, we screened a panel of natural medicinal extracts, and identified the methanolic extract of Perilla frutescens (PFME) as a robust inhibitor of EBOV entry. We show that PFME dose-dependently impeded EBOV GP-mediated infection at non-cytotoxic concentrations, and exerted the most significant antiviral activity when both the extract and the pseudoparticles are concurrently present on the host cells. Specifically, we demonstrate that PFME could block viral attachment and neutralize the cell-free viral particles. Our results, therefore, identified PFME as a potent inhibitor of EBOV entry, which merits further evaluation for development as a therapeutic strategy against EBOV infection.
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Cunha RF, Simões S, Carvalheiro M, Pereira JMA, Costa Q, Ascenso A. Novel Antiretroviral Therapeutic Strategies for HIV. Molecules 2021; 26:molecules26175305. [PMID: 34500737 PMCID: PMC8434305 DOI: 10.3390/molecules26175305] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 01/18/2023] Open
Abstract
When the first cases of HIV infection appeared in the 1980s, AIDS was a deadly disease without any therapeutic alternatives. Currently, there is still no cure for most cases mainly due to the multiple tissues that act as a reservoir for this virus besides the high viral mutagenesis that leads to an antiretroviral drug resistance. Throughout the years, multiple drugs with specific mechanisms of action on distinct targets have been approved. In this review, the most recent phase III clinical studies and other research therapies as advanced antiretroviral nanodelivery systems will be here discussed. Although the combined antiretroviral therapy is effective in reducing viral loading to undetectable levels, it also presents some disadvantages, such as usual side effects, high frequency of administration, and the possibility of drug resistance. Therefore, several new drugs, delivery systems, and vaccines have been tested in pre-clinical and clinical trials. Regarding drug delivery, an attempt to change the route of administration of some conventional antiretrovirals has proven to be successful and surpassed some issues related to patient compliance. Nanotechnology has brought a new approach to overcoming certain obstacles of formulation design including drug solubility and biodistribution. Overall, the encapsulation of antiretroviral drugs into nanosystems has shown improved drug release and pharmacokinetic profile.
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Affiliation(s)
- Rita F. Cunha
- Drug Delivery Research Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (R.F.C.); (S.S.); (M.C.)
| | - Sandra Simões
- Drug Delivery Research Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (R.F.C.); (S.S.); (M.C.)
| | - Manuela Carvalheiro
- Drug Delivery Research Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (R.F.C.); (S.S.); (M.C.)
| | - José M. Azevedo Pereira
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (J.M.A.P.); (Q.C.)
| | - Quirina Costa
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (J.M.A.P.); (Q.C.)
| | - Andreia Ascenso
- Drug Delivery Research Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; (R.F.C.); (S.S.); (M.C.)
- Correspondence:
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30
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Márquez AB, van der Vorst EPC, Maas SL. Key Chemokine Pathways in Atherosclerosis and Their Therapeutic Potential. J Clin Med 2021; 10:3825. [PMID: 34501271 PMCID: PMC8432216 DOI: 10.3390/jcm10173825] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 12/24/2022] Open
Abstract
The search to improve therapies to prevent or treat cardiovascular diseases (CVDs) rages on, as CVDs remain a leading cause of death worldwide. Here, the main cause of CVDs, atherosclerosis, and its prevention, take center stage. Chemokines and their receptors have long been known to play an important role in the pathophysiological development of atherosclerosis. Their role extends from the initiation to the progression, and even the potential regression of atherosclerotic lesions. These important regulators in atherosclerosis are therefore an obvious target in the development of therapeutic strategies. A plethora of preclinical studies have assessed various possibilities for targeting chemokine signaling via various approaches, including competitive ligands and microRNAs, which have shown promising results in ameliorating atherosclerosis. Developments in the field also include detailed imaging with tracers that target specific chemokine receptors. Lastly, clinical trials revealed the potential of various therapies but still require further investigation before commencing clinical use. Although there is still a lot to be learned and investigated, it is clear that chemokines and their receptors present attractive yet extremely complex therapeutic targets. Therefore, this review will serve to provide a general overview of the connection between various chemokines and their receptors with atherosclerosis. The different developments, including mouse models and clinical trials that tackle this complex interplay will also be explored.
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Affiliation(s)
- Andrea Bonnin Márquez
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, 6229 ER Maastricht, The Netherlands
| | - Emiel P. C. van der Vorst
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, 6229 ER Maastricht, The Netherlands
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-University Munich, 80336 Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
| | - Sanne L. Maas
- Institute for Molecular Cardiovascular Research (IMCAR), RWTH Aachen University, 52074 Aachen, Germany;
- Interdisciplinary Center for Clinical Research (IZKF), RWTH Aachen University, 52074 Aachen, Germany
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Shin YH, Park CM, Yoon CH. An Overview of Human Immunodeficiency Virus-1 Antiretroviral Drugs: General Principles and Current Status. Infect Chemother 2021; 53:29-45. [PMID: 34409780 PMCID: PMC8032919 DOI: 10.3947/ic.2020.0100] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 02/22/2021] [Indexed: 12/11/2022] Open
Abstract
Treatment with highly active antiretroviral therapy (HAART) can prolong a patient's life-span by disrupting pivotal steps in the replication cycle of the human immunodeficiency virus-1 (HIV-1). However, drug resistance is emerging as a major problem worldwide due to the prolonged period of treatment undergone by HIV-1 patients. Since the approval of zidovudine in 1987, over thirty antiretroviral drugs have been categorized into the following six distinct classes based on their biological function and resistance profiles: (1) nucleoside analog reverse-transcriptase inhibitors; (2) non–nucleoside reverse transcriptase inhibitors; (3) integrase strand transferase inhibitors; (4) protease inhibitors; (5) fusion inhibitors; and (6) co-receptor antagonists. Additionally, several antiretroviral drugs have been developed recently, such as a long active drug, humanized antibody and pro-drug metabolized into an active form in the patient's body. Although plenty of antiretroviral drugs are beneficially used to treat patients with HIV-1, the ongoing efforts to develop antiretroviral drugs have overcome the drug resistances, adverse effects, and limited adherence of drugs observed in previous drugs to some extent. Furthermore, studies focused on agents targeting latent HIV-1 reservoirs should be strengthened, as that may lead to eradication of HIV-1.
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Affiliation(s)
- Young Hyun Shin
- Division of Chronic Viral Disease Research, Center for Emerging Virus Research, Korea National Institute of Health, Chungbuk, Korea
| | - Chul Min Park
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Daejeon, Korea
| | - Cheol Hee Yoon
- Division of Chronic Viral Disease Research, Center for Emerging Virus Research, Korea National Institute of Health, Chungbuk, Korea.
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32
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Martí-Marí O, Martínez-Gualda B, de la Puente-Secades S, Mills A, Quesada E, Abdelnabi R, Sun L, Boonen A, Noppen S, Neyts J, Schols D, Camarasa MJ, Gago F, San-Félix A. Double Arylation of the Indole Side Chain of Tri- and Tetrapodal Tryptophan Derivatives Renders Highly Potent HIV-1 and EV-A71 Entry Inhibitors†. J Med Chem 2021; 64:10027-10046. [PMID: 34229438 PMCID: PMC8389807 DOI: 10.1021/acs.jmedchem.1c00315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
We have recently
described a new generation of potent human immunodeficiency
virus (HIV) and EV-A71 entry inhibitors. The prototypes contain three
or four tryptophan (Trp) residues bearing an isophthalic acid moiety
at the C2 position of each side-chain indole ring. This work is now
extended by both shifting the position of the isophthalic acid to
C7 and synthesizing doubly arylated C2/C7 derivatives. The most potent
derivative (50% effective concentration (EC50) HIV-1, 6
nM; EC50 EV-A71, 40 nM), 33 (AL-518), is a C2/C7 doubly arylated tetrapodal compound. Its superior anti-HIV
potency with respect to the previous C2-arylated prototype is in consonance
with its higher affinity for the viral gp120. 33 (AL-518) showed comparable antiviral activities against X4
and R5 HIV-1 strains and seems to interact with the tip and base of
the gp120 V3 loop. Taken together, these findings support the interest
in 33 (AL-518) as a useful new prototype
for anti-HIV/EV71 drug development.
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Affiliation(s)
- Olaia Martí-Marí
- Instituto de Química Médica (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Belén Martínez-Gualda
- Instituto de Química Médica (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | | | - Alberto Mills
- Área de Farmacología, Departamento de Ciencias Biomédicas y Unidad Asociada IQM-UAH, Universidad de Alcalá, E-28805 Alcalá de Henares, Madrid, Spain
| | - Ernesto Quesada
- Instituto de Química Médica (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Rana Abdelnabi
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - Liang Sun
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - Arnaud Boonen
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - Sam Noppen
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - Johan Neyts
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - Dominique Schols
- Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium
| | - María-José Camarasa
- Instituto de Química Médica (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Federico Gago
- Área de Farmacología, Departamento de Ciencias Biomédicas y Unidad Asociada IQM-UAH, Universidad de Alcalá, E-28805 Alcalá de Henares, Madrid, Spain
| | - Ana San-Félix
- Instituto de Química Médica (IQM-CSIC), c/ Juan de la Cierva 3, E-28006 Madrid, Spain
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33
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Vijayan K, Wei L, Glennon EKK, Mattocks C, Bourgeois N, Staker B, Kaushansky A. Host-targeted Interventions as an Exciting Opportunity to Combat Malaria. Chem Rev 2021; 121:10452-10468. [PMID: 34197083 DOI: 10.1021/acs.chemrev.1c00062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Terminal and benign diseases alike in adults, children, pregnant women, and others are successfully treated by pharmacological inhibitors that target human enzymes. Despite extensive global efforts to fight malaria, the disease continues to be a massive worldwide health burden, and new interventional strategies are needed. Current drugs and vector control strategies have contributed to the reduction in malaria deaths over the past 10 years, but progress toward eradication has waned in recent years. Resistance to antimalarial drugs is a substantial and growing problem. Moreover, targeting dormant forms of the malaria parasite Plasmodium vivax is only possible with two approved drugs, which are both contraindicated for individuals with glucose-6-phosphate dehydrogenase deficiency and in pregnant women. Plasmodium parasites are obligate intracellular parasites and thus have specific and absolute requirements of their hosts. Growing evidence has described these host necessities, paving the way for opportunities to pharmacologically target host factors to eliminate Plasmodium infection. Here, we describe progress in malaria research and adjacent fields and discuss key challenges that remain in implementing host-directed therapy against malaria.
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Affiliation(s)
| | - Ling Wei
- Seattle Children's Research Institute, Seattle, Washington 98109, United States
| | | | - Christa Mattocks
- Department of Global Health, University of Washington, Seattle, Washington 98195, United States
| | - Natasha Bourgeois
- Seattle Children's Research Institute, Seattle, Washington 98109, United States.,Department of Global Health, University of Washington, Seattle, Washington 98195, United States
| | - Bart Staker
- Seattle Children's Research Institute, Seattle, Washington 98109, United States
| | - Alexis Kaushansky
- Seattle Children's Research Institute, Seattle, Washington 98109, United States.,Department of Global Health, University of Washington, Seattle, Washington 98195, United States.,Department of Pediatrics, University of Washington, Seattle, Washington 98105, United States.,Brotman Baty Institute for Precision Medicine, Seattle, Washington 98195, United States
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MAGI-1 PDZ2 Domain Blockade Averts Adenovirus Infection via Enhanced Proteolysis of the Apical Coxsackievirus and Adenovirus Receptor. J Virol 2021; 95:e0004621. [PMID: 33762416 DOI: 10.1128/jvi.00046-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Adenoviruses (AdVs) are etiological agents of gastrointestinal, heart, eye, and respiratory tract infections that can be lethal for immunosuppressed people. Many AdVs use the coxsackievirus and adenovirus receptor (CAR) as a primary receptor. The CAR isoform resulting from alternative splicing that includes the eighth exon, CAREx8, localizes to the apical surface of polarized epithelial cells and is responsible for the initiation of AdV infection. We have shown that the membrane level of CAREx8 is tightly regulated by two MAGI-1 PDZ domains, PDZ2 and PDZ4, resulting in increased or decreased AdV transduction, respectively. We hypothesized that targeting the interactions between the MAGI-1 PDZ2 domain and CAREx8 would decrease the apical CAREx8 expression level and prevent AdV infection. Decoy peptides that target MAGI-1 PDZ2 were synthesized (TAT-E6 and TAT-NET1). PDZ2 binding peptides decreased CAREx8 expression and reduced AdV transduction. CAREx8 degradation was triggered by the activation of the regulated intramembrane proteolysis (RIP) pathway through a disintegrin and metalloproteinase (ADAM17) and γ-secretase. Further analysis revealed that ADAM17 interacts directly with the MAGI-1 PDZ3 domain, and blocking the PDZ2 domain enhanced the accessibility of ADAM17 to the substrate (CAREx8). Finally, we validated the efficacy of TAT-PDZ2 peptides in protecting the epithelia from AdV transduction in vivo using a novel transgenic animal model. Our data suggest that TAT-PDZ2 binding peptides are novel anti-AdV molecules that act by enhanced RIP of CAREx8 and decreased AdV entry. This strategy has additional translational potential for targeting other viral receptors that have PDZ binding domains, such as the angiotensin-converting enzyme 2 receptor. IMPORTANCE Adenovirus is a common threat in immunosuppressed populations and military recruits. There are no currently approved treatments/prophylactic agents that protect from most AdV infections. Here, we developed peptide-based small molecules that can suppress AdV infection of polarized epithelia by targeting the AdV receptor, coxsackievirus and adenovirus receptor (CAREx8). The newly discovered peptides target a specific PDZ domain of the CAREx8-interacting protein MAGI-1 and decrease AdV transduction in multiple polarized epithelial models. Peptide-induced CAREx8 degradation is triggered by extracellular domain (ECD) shedding through ADAM17 followed by γ-secretase-mediated nuclear translocation of the C-terminal domain. The enhanced shedding of the CAREx8 ECD further protected the epithelium from AdV infection. Taken together, these novel molecules protect the epithelium from AdV infection. This approach may be applicable to the development of novel antiviral molecules against other viruses that use a receptor with a PDZ binding domain.
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Ruiz-Santaquiteria M, Illescas BM, Abdelnabi R, Boonen A, Mills A, Martí-Marí O, Noppen S, Neyts J, Schols D, Gago F, San-Félix A, Camarasa MJ, Martín N. Multivalent Tryptophan- and Tyrosine-Containing [60]Fullerene Hexa-Adducts as Dual HIV and Enterovirus A71 Entry Inhibitors. Chemistry 2021; 27:10700-10710. [PMID: 33851758 PMCID: PMC8361981 DOI: 10.1002/chem.202101098] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Indexed: 01/04/2023]
Abstract
Unprecedented 3D hexa‐adducts of [60]fullerene peripherally decorated with twelve tryptophan (Trp) or tyrosine (Tyr) residues have been synthesized. Studies on the antiviral activity of these novel compounds against HIV and EV71 reveal that they are much more potent against HIV and equally active against EV71 than the previously described dendrimer prototypes AL‐385 and AL‐463, which possess the same number of Trp/Tyr residues on the periphery but attached to a smaller and more flexible pentaerythritol core. These results demonstrate the relevance of the globular 3D presentation of the peripheral groups (Trp/Tyr) as well as the length of the spacer connecting them to the central core to interact with the viral envelopes, particularly in the case of HIV, and support the hypothesis that [60]fullerene can be an alternative and attractive biocompatible carbon‐based scaffold for this type of highly symmetrical dendrimers. In addition, the functionalized fullerenes here described, which display twelve peripheral negatively charged indole moieties on their globular surface, define a new and versatile class of compounds with a promising potential in biomedical applications.
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Affiliation(s)
- Marta Ruiz-Santaquiteria
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040, Madrid, Spain
| | - Beatriz M Illescas
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040, Madrid, Spain
| | - Rana Abdelnabi
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, University of Leuven, 3000, Leuven, Belgium
| | - Arnaud Boonen
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, University of Leuven, 3000, Leuven, Belgium
| | - Alberto Mills
- Departamento de Ciencias Biomédicas y Unidad Asociada IQM-UAH, Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain
| | - Olaia Martí-Marí
- Instituto de Química Médica (IQM-CSIC), IQM-CSIC, 28006, Madrid, Spain
| | - Sam Noppen
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, University of Leuven, 3000, Leuven, Belgium
| | - Johan Neyts
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, University of Leuven, 3000, Leuven, Belgium
| | - Dominique Schols
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, University of Leuven, 3000, Leuven, Belgium
| | - Federico Gago
- Departamento de Ciencias Biomédicas y Unidad Asociada IQM-UAH, Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain
| | - Ana San-Félix
- Instituto de Química Médica (IQM-CSIC), IQM-CSIC, 28006, Madrid, Spain
| | | | - Nazario Martín
- Departamento de Química Orgánica, Facultad de Química, Universidad Complutense, 28040, Madrid, Spain.,IMDEA-Nanoscience, C/ Faraday 9, Campus de Cantoblanco, 28049, Madrid, Spain
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36
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Cantalupo S, Lasorsa VA, Russo R, Andolfo I, D’Alterio G, Rosato BE, Frisso G, Abete P, Cassese GM, Servillo G, Gentile I, Piscopo C, Della Monica M, Fiorentino G, Russo G, Cerino P, Buonerba C, Pierri B, Zollo M, Iolascon A, Capasso M. Regulatory Noncoding and Predicted Pathogenic Coding Variants of CCR5 Predispose to Severe COVID-19. Int J Mol Sci 2021; 22:5372. [PMID: 34065289 PMCID: PMC8161088 DOI: 10.3390/ijms22105372] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/12/2021] [Accepted: 05/18/2021] [Indexed: 11/17/2022] Open
Abstract
Genome-wide association studies (GWAS) found locus 3p21.31 associated with severe COVID-19. CCR5 resides at the same locus and, given its known biological role in other infection diseases, we investigated if common noncoding and rare coding variants, affecting CCR5, can predispose to severe COVID-19. We combined single nucleotide polymorphisms (SNPs) that met the suggestive significance level (P ≤ 1 × 10-5) at the 3p21.31 locus in public GWAS datasets (6406 COVID-19 hospitalized patients and 902,088 controls) with gene expression data from 208 lung tissues, Hi-C, and Chip-seq data. Through whole exome sequencing (WES), we explored rare coding variants in 147 severe COVID-19 patients. We identified three SNPs (rs9845542, rs12639314, and rs35951367) associated with severe COVID-19 whose risk alleles correlated with low CCR5 expression in lung tissues. The rs35951367 resided in a CTFC binding site that interacts with CCR5 gene in lung tissues and was confirmed to be associated with severe COVID-19 in two independent datasets. We also identified a rare coding variant (rs34418657) associated with the risk of developing severe COVID-19. Our results suggest a biological role of CCR5 in the progression of COVID-19 as common and rare genetic variants can increase the risk of developing severe COVID-19 by affecting the functions of CCR5.
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Affiliation(s)
- Sueva Cantalupo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Vito Alessandro Lasorsa
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Roberta Russo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Immacolata Andolfo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | | | - Barbara Eleni Rosato
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Giulia Frisso
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Pasquale Abete
- COVID Hospital, P.O.S. Anna e SS. Madonna della Neve di Boscotrecase, Ospedali Riuniti Area Vesuviana, 80042 Boscotrecase, Italy; (P.A.); (G.M.C.)
| | - Gian Marco Cassese
- COVID Hospital, P.O.S. Anna e SS. Madonna della Neve di Boscotrecase, Ospedali Riuniti Area Vesuviana, 80042 Boscotrecase, Italy; (P.A.); (G.M.C.)
| | - Giuseppe Servillo
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Napoli, Italy;
| | - Ivan Gentile
- Dipartimento di Medicina Clinica e Chirurgia, Università degli Studi di Napoli Federico II, 80131 Napoli, Italy;
| | - Carmelo Piscopo
- Medical and Laboratory Genetics Unit, A.O.R.N. ‘Antonio Cardarelli’, 80131 Napoli, Italy; (C.P.); (M.D.M.)
| | - Matteo Della Monica
- Medical and Laboratory Genetics Unit, A.O.R.N. ‘Antonio Cardarelli’, 80131 Napoli, Italy; (C.P.); (M.D.M.)
| | | | - Giuseppe Russo
- Unità di Radiologia, Casa di Cura Villa dei Fiori, 80011 Acerra, Italy;
| | - Pellegrino Cerino
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
| | - Carlo Buonerba
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
| | - Biancamaria Pierri
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università di Salerno, 84081 Baronissi, Italy
| | - Massimo Zollo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Achille Iolascon
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Mario Capasso
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
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Vicenti I, Dragoni F, Monti M, Trombetta CM, Giannini A, Boccuto A, Saladini F, Rossetti B, De Luca A, Ciabattini A, Pastore G, Medaglini D, Orofino G, Montomoli E, Zazzi M. Maraviroc as a potential HIV-1 latency-reversing agent in cell line models and ex vivo CD4 T cells. J Gen Virol 2021; 102. [PMID: 33048041 DOI: 10.1099/jgv.0.001499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Recent studies have suggested that the CCR5 antagonist maraviroc (MVC) may exert an HIV-1 latency reversal effect. This study aimed at defining MVC-mediated induction of HIV-1 in three cell line latency models and in ex vivo CD4 T cells from six patients with suppressed viraemia. HIV-1 induction was evaluated in TZM-bl cells by measuring HIV-1 LTR-driven luciferase expression, and in ACH-2 and U1 latently infected cell lines by measuring cell-free (CFR) and cell-associated (CAR) HIV-1 RNA by qPCR. NF-κB p65 was quantified in nuclear extracts by immunodetection. In ex vivo CD4 T cells, CAR, CFR and cell-associated DNA (CAD) were quantified at baseline and 1-7-14 days post-induction (T1, T7, T14). At T7 and T14, the infectivity of the CD4 T cells co-cultured with MOLT-4/CCR5 target cells was evaluated in the TZM-bl assay (TZA). Results were expressed as fold activation (FA) with respect to untreated cells. No LTR activation was observed in TZM-bl cells at any MVC concentration. NF-κB activation was only modestly upregulated (1.6±0.4) in TZM-bl cells with 5 µM MVC. Significant FA of HIV-1 expression was only detected at 80 µM MVC, namely on HIV-1 CFR in U1 (3.1±0.9; P=0.034) and ACH-2 cells (3.9±1.4; P=0.037). CFR was only weakly stimulated at 20 µM in ACH-2 (1.7±1.0 FA) cells and at 5 µM in U1 cells (1.9±0.5 FA). Although no consistent pattern of MVC-mediated activation was observed in ex vivo experiments, substantial FA values were detected sparsely on individual samples with different parameters. Notably, in one sample, MVC stimulated all parameters at T7 (2.3±0.2 CAD, 6.8±3.7 CAR, 18.7±16.7 CFR, 7.3±0.2 TZA). In conclusion, MVC variably induces HIV-1 production in some cell line models not previously used to test its latency reversal potential. In ex vivo CD4 T cells, MVC may exert patient-specific HIV-1 induction; however, clinically relevant patterns, if any, remain to be defined.
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Affiliation(s)
- Ilaria Vicenti
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Filippo Dragoni
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | | | | | - Alessia Giannini
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Adele Boccuto
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Francesco Saladini
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Barbara Rossetti
- Infectious Diseases Unit, Azienda Ospedaliera Universitaria Senese, Siena, Italy
| | - Andrea De Luca
- Infectious Diseases Unit, Azienda Ospedaliera Universitaria Senese, Siena, Italy.,Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | | | - Gabiria Pastore
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Donata Medaglini
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Giancarlo Orofino
- Unit of Infectious Diseases, Division A, Ospedale Amedeo di Savoia, Turin, Italy
| | - Emanuele Montomoli
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy.,VisMederi srl, Siena, Italy
| | - Maurizio Zazzi
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
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Lai YT. Small Molecule HIV-1 Attachment Inhibitors: Discovery, Mode of Action and Structural Basis of Inhibition. Viruses 2021; 13:v13050843. [PMID: 34066522 PMCID: PMC8148533 DOI: 10.3390/v13050843] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/03/2021] [Accepted: 05/03/2021] [Indexed: 12/14/2022] Open
Abstract
Viral entry into host cells is a critical step in the viral life cycle. HIV-1 entry is mediated by the sole surface envelope glycoprotein Env and is initiated by the interaction between Env and the host receptor CD4. This interaction, referred to as the attachment step, has long been considered an attractive target for inhibitor discovery and development. Fostemsavir, recently approved by the FDA, represents the first-in-class drug in the attachment inhibitor class. This review focuses on the discovery of temsavir (the active compound of fostemsavir) and analogs, mechanistic studies that elucidated the mode of action, and structural studies that revealed atomic details of the interaction between HIV-1 Env and attachment inhibitors. Challenges associated with emerging resistance mutations to the attachment inhibitors and the development of next-generation attachment inhibitors are also highlighted.
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Affiliation(s)
- Yen-Ting Lai
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Chemokine Receptor 5 Antagonism Causes Reduction in Joint Inflammation in a Collagen-Induced Arthritis Mouse Model. Molecules 2021; 26:molecules26071839. [PMID: 33805933 PMCID: PMC8036613 DOI: 10.3390/molecules26071839] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 01/13/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease mainly affecting the synovial joints. A highly potent antagonist of C-C chemokine receptor 5 (CCR5), maraviroc (MVC), plays an essential role in treating several infectious diseases but has not yet been evaluated for its potential effects on RA development. This study focused on evaluating the therapeutic potential of MVC on collagen-induced arthritis (CIA) in DBA/1J mice. Following CIA induction, animals were treated intraperitoneally with MVC (50 mg/kg) daily from day 21 until day 35 and evaluated for clinical score and histopathological changes in arthritic inflammation. We further investigated the effect of MVC on Th9 (IL-9, IRF-4, and GATA3) and Th17 (IL-21R, IL-17A, and RORγT) cells, TNF-α, and RANTES in CD8+ T cells in the spleen using flow cytometry. We also assessed the effect of MVC on mRNA and protein levels of IL-9, IL-17A, RORγT, and GATA3 in knee tissues using RT-PCR and western blot analysis. MVC treatment in CIA mice attenuated the clinical and histological severity of inflammatory arthritis, and it substantially decreased IL-9, IRF4, IL-21R, IL-17A, RORγT, TNF-α, and RANTES production but increased GATA3 production in CD8+ T cells. We further observed that MVC treatment decreased IL-9, IL-17A, and RORγt mRNA and protein levels and increased those of GATA3. This study elucidates the capacity of MVC to ameliorate the clinical and histological signs of CIA by reducing pro-inflammatory responses, suggesting that MVC may have novel therapeutic uses in the treatment of RA.
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Hong Z, Wei Z, Xie T, Fu L, Sun J, Zhou F, Jamal M, Zhang Q, Shao L. Targeting chemokines for acute lymphoblastic leukemia therapy. J Hematol Oncol 2021; 14:48. [PMID: 33743810 PMCID: PMC7981899 DOI: 10.1186/s13045-021-01060-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 03/08/2021] [Indexed: 12/12/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is a hematological malignancy characterized by the malignant clonal expansion of lymphoid hematopoietic precursors. It is regulated by various signaling molecules such as cytokines and adhesion molecules in its microenvironment. Chemokines are chemotactic cytokines that regulate migration, positioning and interactions of cells. Many chemokine axes such as CXCL12/CXCR4 and CCL25/CCR9 have been proved to play important roles in leukemia microenvironment and further affect ALL outcomes. In this review, we summarize the chemokines that are involved in ALL progression and elaborate on their roles and mechanisms in leukemia cell proliferation, infiltration, drug resistance and disease relapse. We also discuss the potential of targeting chemokine axes for ALL treatments, since many related inhibitors have shown promising efficacy in preclinical trials, and some of them have entered clinical trials.
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Affiliation(s)
- Zixi Hong
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zimeng Wei
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Tian Xie
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Lin Fu
- The First Clinical School of Wuhan University, Wuhan, China
| | - Jiaxing Sun
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Muhammad Jamal
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Qiuping Zhang
- Department of Immunology, School of Basic Medical Science, Wuhan University, Wuhan, China.
| | - Liang Shao
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China.
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Huang R, Guo L, Gao M, Li J, Xiang S. Research Trends and Regulation of CCL5 in Prostate Cancer. Onco Targets Ther 2021; 14:1417-1427. [PMID: 33664576 PMCID: PMC7921632 DOI: 10.2147/ott.s279189] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 01/20/2021] [Indexed: 12/11/2022] Open
Abstract
Prostate cancer (PCa) is considered as the most common cancer of urologic neoplasms, and its development and prognosis are associated with many factors. Chemokine receptor signaling combine with advances in advanced clinicopathological characteristics have provided new insights into the molecular landscape of prostate cancer. Chemokine (C-C motif) ligand 5 (CCL5) is an important member of the CC subfamily of chemokines. The expression of chemokine CCL5 is positively correlated with poor prognostic features in patients with PCa. Current study suggested that CCL5/CCR5 axis plays a significant role in the proliferation, metastasis, angiogenesis, drug resistance of prostate cancer cells and promotes self-renewal of prostate cancer stem cells (PCSCs). Due to the major domination in CCL5 by prostate cancer and the high cancer-specific mortality with prostate cancer, research on the CCL5/CCR5 axis effective antagonists is widespread application. However, challenges for precision oncology of CCL5/CCR5 axis and effective antagonists in CRPC remain. Herein, we summarized the crucial role of CCL5 in promoting the development of PCa and discussed the antitumor application of the antagonists of CCL5/CCR5 axis.
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Affiliation(s)
- Renlun Huang
- Department of Urology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People's Republic of China
| | - Lang Guo
- Department of Urology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People's Republic of China
| | - Menghan Gao
- Department of Cell and Molecular Biology, Uppsala University, Uppsala, Sweden
| | - Jing Li
- Department of Urology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People's Republic of China
| | - Songtao Xiang
- Department of Urology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People's Republic of China
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New-Aaron M, Ganesan M, Dagur RS, Kharbanda KK, Poluektova LY, Osna NA. Pancreatogenic Diabetes: Triggering Effects of Alcohol and HIV. BIOLOGY 2021; 10:108. [PMID: 33546230 PMCID: PMC7913335 DOI: 10.3390/biology10020108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
Multiorgan failure may not be completely resolved among people living with HIV despite HAART use. Although the chances of organ dysfunction may be relatively low, alcohol may potentiate HIV-induced toxic effects in the organs of alcohol-abusing, HIV-infected individuals. The pancreas is one of the most implicated organs, which is manifested as diabetes mellitus or pancreatic cancer. Both alcohol and HIV may trigger pancreatitis, but the combined effects have not been explored. The aim of this review is to explore the literature for understanding the mechanisms of HIV and alcohol-induced pancreatotoxicity. We found that while premature alcohol-inducing zymogen activation is a known trigger of alcoholic pancreatitis, HIV entry through C-C chemokine receptor type 5(CCR5)into pancreatic acinar cells may also contribute to pancreatitis in people living with HIV (PLWH). HIV proteins induce oxidative and ER stresses, causing necrosis. Furthermore, infiltrative immune cells induce necrosis on HIV-containing acinar cells. When necrotic products interact with pancreatic stellate cells, they become activated, leading to the release of both inflammatory and profibrotic cytokines and resulting in pancreatitis. Effective therapeutic strategies should block CCR5 and ameliorate alcohol's effects on acinar cells.
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Affiliation(s)
- Moses New-Aaron
- Department of Environmental Health, Occupational Health and Toxicology, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Veteran Affairs Nebraska—Western Iowa Health Care System, Omaha, NE 68105, USA; (M.G.); (R.S.D.); (K.K.K.)
| | - Murali Ganesan
- Veteran Affairs Nebraska—Western Iowa Health Care System, Omaha, NE 68105, USA; (M.G.); (R.S.D.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Raghubendra Singh Dagur
- Veteran Affairs Nebraska—Western Iowa Health Care System, Omaha, NE 68105, USA; (M.G.); (R.S.D.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Kusum K. Kharbanda
- Veteran Affairs Nebraska—Western Iowa Health Care System, Omaha, NE 68105, USA; (M.G.); (R.S.D.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Larisa Y. Poluektova
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA;
| | - Natalia A. Osna
- Department of Environmental Health, Occupational Health and Toxicology, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Veteran Affairs Nebraska—Western Iowa Health Care System, Omaha, NE 68105, USA; (M.G.); (R.S.D.); (K.K.K.)
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA;
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Wild M, Kicuntod J, Seyler L, Wangen C, Bertzbach LD, Conradie AM, Kaufer BB, Wagner S, Michel D, Eickhoff J, Tsogoeva SB, Bäuerle T, Hahn F, Marschall M. Combinatorial Drug Treatments Reveal Promising Anticytomegaloviral Profiles for Clinically Relevant Pharmaceutical Kinase Inhibitors (PKIs). Int J Mol Sci 2021; 22:ijms22020575. [PMID: 33430060 PMCID: PMC7826512 DOI: 10.3390/ijms22020575] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/24/2020] [Accepted: 01/04/2021] [Indexed: 12/11/2022] Open
Abstract
Human cytomegalovirus (HCMV) is a human pathogenic herpesvirus associated with a variety of clinical symptoms. Current antiviral therapy is not always effective, so that improved drug classes and drug-targeting strategies are needed. Particularly host-directed antivirals, including pharmaceutical kinase inhibitors (PKIs), may help to overcome problems of drug resistance. Here, we focused on utilizing a selection of clinically relevant PKIs and determined their anticytomegaloviral efficacies. Particularly, PKIs directed to host or viral cyclin-dependent kinases, i.e., abemaciclib, LDC4297 and maribavir, exerted promising profiles against human and murine cytomegaloviruses. The anti-HCMV in vitro activity of the approved anti-cancer drug abemaciclib was confirmed in vivo using our luciferase-based murine cytomegalovirus (MCMV) animal model in immunocompetent mice. To assess drug combinations, we applied the Bliss independence checkerboard and Loewe additivity fixed-dose assays in parallel. Results revealed that (i) both affirmative approaches provided valuable information on anti-CMV drug efficacies and interactions, (ii) the analyzed combinations comprised additive, synergistic or antagonistic drug interactions consistent with the drugs’ antiviral mode-of-action, (iii) the selected PKIs, especially LDC4297, showed promising inhibitory profiles, not only against HCMV but also other α-, β- and γ-herpesviruses, and specifically, (iv) the combination treatment with LDC4297 and maribavir revealed a strong synergism against HCMV, which might open doors towards novel clinical options in the near future. Taken together, this study highlights the potential of therapeutic drug combinations of current developmental/preclinical PKIs.
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Affiliation(s)
- Markus Wild
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
| | - Jintawee Kicuntod
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
| | - Lisa Seyler
- Institute of Radiology, University Medical Center Erlangen, FAU, Palmsanlage 5, 91054 Erlangen, Germany; (L.S.); (T.B.)
| | - Christina Wangen
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
| | - Luca D. Bertzbach
- Institute of Virology, Freie Universität Berlin, Robert-von-Ostertag-Straße 7-13, 14163 Berlin, Germany; (L.D.B.); (A.M.C.); (B.B.K.)
| | - Andelé M. Conradie
- Institute of Virology, Freie Universität Berlin, Robert-von-Ostertag-Straße 7-13, 14163 Berlin, Germany; (L.D.B.); (A.M.C.); (B.B.K.)
| | - Benedikt B. Kaufer
- Institute of Virology, Freie Universität Berlin, Robert-von-Ostertag-Straße 7-13, 14163 Berlin, Germany; (L.D.B.); (A.M.C.); (B.B.K.)
| | - Sabrina Wagner
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
| | - Detlef Michel
- Institute for Virology, Ulm University Medical Center, Albert-Einstein-Allee 11, 89081 Ulm, Germany;
| | - Jan Eickhoff
- Lead Discovery Center GmbH, Otto-Hahn-Str. 15, 44227 Dortmund, Germany;
| | - Svetlana B. Tsogoeva
- Institute of Organic Chemistry I, FAU, Nikolaus-Fiebiger-Straße 10, 91058 Erlangen, Germany;
| | - Tobias Bäuerle
- Institute of Radiology, University Medical Center Erlangen, FAU, Palmsanlage 5, 91054 Erlangen, Germany; (L.S.); (T.B.)
| | - Friedrich Hahn
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
| | - Manfred Marschall
- Institute for Clinical and Molecular Virology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Schlossgarten 4, 91054 Erlangen, Germany; (M.W.); (J.K.); (C.W.); (S.W.); (F.H.)
- Correspondence: ; Tel.: +49-9131-8526-089
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Chen C, Hu X, Wang C, Lan W, Wu X, Cao C. Structure- and Mechanism-Based Research Progress of Anti-acquired Immune Deficiency Syndrome Drugs. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202012036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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45
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Prolonged administration of maraviroc reactivates latent HIV in vivo but it does not prevent antiretroviral-free viral rebound. Sci Rep 2020; 10:22286. [PMID: 33339855 PMCID: PMC7749169 DOI: 10.1038/s41598-020-79002-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 11/27/2020] [Indexed: 01/24/2023] Open
Abstract
Human immunodeficiency virus (HIV) remains incurable due to latent viral reservoirs established in non-activated CD4 T cells that cannot be eliminated via antiretroviral therapy. Current efforts to cure HIV are focused on identifying drugs that will induce viral gene expression in latently infected cells, commonly known as latency reversing agents (LRAs). Some drugs have been shown to reactivate latent HIV but do not cause a reduction in reservoir size. Therefore, finding new LRAs or new combinations or increasing the round of stimulations is needed to cure HIV. However, the effects of these drugs on viral rebound after prolonged treatment have not been evaluated. In a previous clinical trial, antiretroviral therapy intensification with maraviroc for 48 weeks caused an increase in residual viremia and episomal two LTR-DNA circles suggesting that maraviroc could reactivate latent HIV. We amended the initial clinical trial to explore additional virologic parameters in stored samples and to evaluate the time to viral rebound during analytical treatment interruption in three patients. Maraviroc induced an increase in cell-associated HIV RNA during the administration of the drug. However, there was a rapid rebound of viremia after antiretroviral therapy discontinuation. HIV-specific T cell response was slightly enhanced. These results show that maraviroc can reactivate latent HIV in vivo but further studies are required to efficiently reduce the reservoir size.
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Kroon ED, Ananworanich J, Pagliuzza A, Rhodes A, Phanuphak N, Trautmann L, Mitchell JL, Chintanaphol M, Intasan J, Pinyakorn S, Benjapornpong K, Chang JJ, Colby DJ, Chomchey N, Fletcher JL, Eubanks K, Yang H, Kapson J, Dantanarayana A, Tennakoon S, Gorelick RJ, Maldarelli F, Robb ML, Kim JH, Spudich S, Chomont N, Phanuphak P, Lewin SR, de Souza MS. A randomized trial of vorinostat with treatment interruption after initiating antiretroviral therapy during acute HIV-1 infection. J Virus Erad 2020; 6:100004. [PMID: 33251022 PMCID: PMC7646672 DOI: 10.1016/j.jve.2020.100004] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 07/09/2020] [Accepted: 07/14/2020] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE AND DESIGN A randomized, open-label pilot study in individuals treated with antiretroviral therapy (ART) since acute HIV infection (AHI) with a regimen including a histone deacetylase inhibitor to induce HIV from latency and control HIV replication during subsequent treatment interruption (TI). METHODS Fifteen participants who initiated ART at AHI were randomized to vorinostat/hydroxychloroquine/maraviroc (VHM) plus ART (n = 10) or ART alone (n = 5). The VHM arm received three 14-day vorinostat cycles within 10 weeks before TI. ART was resumed for plasma viral load (VL) > 1,000 HIV RNA copies/mL. Primary outcome was proportion of participants on VHM + ART versus ART only with VL < 50 copies/mL for 24 weeks after TI. RESULTS Fifteen participants on ART (median: 178 weeks: range 79-295) enrolled. Two on VHM + ART experienced serious adverse events. Fourteen participants underwent TI; all experienced VL rebound with no difference in time between arms: VHM + ART (n = 9) median: 4 weeks and ART only (n = 5) median: 5 weeks. VHM induced a 2.2-fold increase in VL (p = 0.008) by single-copy HIV RNA assay after the first cycle. Neopterin levels increased significantly following the first two cycles. After VHM treatment, the frequencies of peripheral blood mononuclear cells harboring total HIV DNA and cell-associated RNA were unchanged. All participants achieved VL suppression following ART re-initiation. CONCLUSIONS Administration of VHM increased HIV VL in plasma, but this was not sustained. VHM did not impact time to viral rebound following TI and had no impact on the size of the HIV reservoir, suggesting that HIV reservoir elimination will require alternative treatment strategies.
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Affiliation(s)
| | - Jintanat Ananworanich
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
- Bill and Melinda Gates Medical Research Institute, Cambridge, MA, USA
| | - Amélie Pagliuzza
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montreal, Canada
| | - Ajantha Rhodes
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
| | | | - Lydie Trautmann
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
| | - Julie L. Mitchell
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
| | - Michelle Chintanaphol
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
- Department of Neurology, Yale University School of Medicine, Yale University, New Haven, CT, USA
| | - Jintana Intasan
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
| | - Suteeraporn Pinyakorn
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
| | | | - J. Judy Chang
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
| | - Donn J. Colby
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
| | - Nitiya Chomchey
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
| | | | | | - Hua Yang
- Cooper Human Systems, Nashua, NH, USA
| | | | - Ashanti Dantanarayana
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
| | - Surekha Tennakoon
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
| | - Robert J. Gorelick
- AIDS and Cancer Virus Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Frank Maldarelli
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Merlin L. Robb
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
| | - Jerome H. Kim
- International Vaccine Initiative, Seoul, Republic of Korea
| | - Serena Spudich
- Department of Neurology, Yale University School of Medicine, Yale University, New Haven, CT, USA
| | - Nicolas Chomont
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montreal, Canada
| | | | - Sharon R. Lewin
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
- Department of Infectious Diseases, Alfred Health and Monash University, Melbourne, Australia
| | | | - for the SEARCH 019 and RV254 Study Teams
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- United States Military HIV Research Program, Bethesda, MD, USA
- Bill and Melinda Gates Medical Research Institute, Cambridge, MA, USA
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montreal, Canada
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
- Peter MacCallum Cancer Centre, Victorian Comprehensive Cancer Center, Melbourne, Australia
- Department of Neurology, Yale University School of Medicine, Yale University, New Haven, CT, USA
- Cooper Human Systems, Nashua, NH, USA
- AIDS and Cancer Virus Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
- Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
- International Vaccine Initiative, Seoul, Republic of Korea
- Department of Infectious Diseases, Alfred Health and Monash University, Melbourne, Australia
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Okamoto M, Toyama M, Baba M. The chemokine receptor antagonist cenicriviroc inhibits the replication of SARS-CoV-2 in vitro. Antiviral Res 2020; 182:104902. [PMID: 32739404 PMCID: PMC7392080 DOI: 10.1016/j.antiviral.2020.104902] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/21/2022]
Abstract
Cenicriviroc (CVC) is a small-molecule chemokine receptor antagonist with highly potent and selective anti-human immunodeficiency virus type 1 (HIV-1) activity through antagonizing C-C chemokine receptor type 5 (CCR5) as a coreceptor of HIV-1. CVC also strongly antagonizes C-C chemokine receptor type 2b (CCR2b), thereby it has potent anti-inflammatory and immunomodulatory effects. CVC is currently under clinical trials in the patients for treatment of nonalcoholic steatohepatitis, in which immune cell activation and dysregulation of proinflammatory cytokines play an important role in its pathogenesis. In this study, CVC was examined for its inhibitory effect on the replication of SARS-CoV-2, the causative agent of COVID-19, in cell cultures and found to be a selective inhibitor of the virus. The 50% effective concentrations of CVC were 19.0 and 2.9 μM in the assays based on the inhibition of virus-induced cell destruction and viral RNA levels in culture supernatants of the infected cells, respectively. Interestingly, the CCR5-specific antagonist maraviroc did not show any anti-SARS-CoV-2 activity. Although the mechanism of SARS-CoV-2 inhibition by CVC remains to be elucidated, CCR2b does not seem to be its target molecule. Considering the fact that the regulation of excessive immune activation is required to treat COVID-19 patients at the late stage of the disease, CVC should be further pursued for its potential in the treatment of SARS-CoV-2 infection.
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Affiliation(s)
- Mika Okamoto
- Division of Antiviral Chemotherapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan
| | - Masaaki Toyama
- Division of Antiviral Chemotherapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan
| | - Masanori Baba
- Division of Antiviral Chemotherapy, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, 890-8544, Japan.
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Pyrogallol-Phloroglucinol-6,6-Bieckolon Attenuates Vascular Smooth Muscle Cell Proliferation and Phenotype Switching in Hyperlipidemia through Modulation of Chemokine Receptor 5. Mar Drugs 2020; 18:md18080393. [PMID: 32727125 PMCID: PMC7460451 DOI: 10.3390/md18080393] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/21/2020] [Accepted: 07/21/2020] [Indexed: 12/28/2022] Open
Abstract
Hyperlipidemia induces vascular smooth muscle cell (VSMC) proliferation and phenotype switching from contractile to synthetic. This process is involved in arterial remodeling via the chemokine ligand 5 (CCL5)/chemokine receptor 5 (CCR5) pathway. Arterial remodeling is related to atherosclerosis or intimal hyperplasia. The purpose of this study was to evaluate whether pyrogallol-phloroglucinol-6,6-bieckol (PPB) from E. cava reduces VSMC proliferation and phenotype switching via the CCL5/CCR5 pathway. The CCL5/CCR5 expression, VSMC proliferation and phenotypic alterations were evaluated using a cell model of VSMC exposed in hyperlipidemia, and an animal model of mice fed a high-fat-diet (HFD). The expression of CCL5/CCR5 increased in both the cell and animal models of hyperlipidemia. Treatment with PPB decreased CCL5/CCR5 expression in both models. The expression of contractile markers of VSMCs, including alpha-smooth muscle actin (α-SMA), smooth muscle myosin heavy chain (SM-MHC), and smooth muscle protein 22 alpha (SM22α), were decreased by hyperlipidemia and restored after treatment with PPB. The silencing of CCR5 attenuated the effects of PPB treatment. VSMC proliferation and the intima-media thickness of the aortas, increased with HFD and decreased after treatment with PPB. The VSMC proliferation ratio and messenger ribonucleic acid (mRNA) expression of cell cycle regulatory factors increased in the in vitro model and were restored after treatment with PPB. PPB treatment reduced VSMC proliferation and phenotype switching induced by hyperlipidemia through inhibition of the CCL5/CCR5 pathway.
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Glecaprevir and Maraviroc are high-affinity inhibitors of SARS-CoV-2 main protease: possible implication in COVID-19 therapy. Biosci Rep 2020; 40:224927. [PMID: 32441299 PMCID: PMC7268261 DOI: 10.1042/bsr20201256] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/15/2020] [Accepted: 05/22/2020] [Indexed: 01/08/2023] Open
Abstract
Due to the lack of efficient therapeutic options and clinical trial limitations, the FDA-approved drugs can be a good choice to handle Coronavirus disease (COVID-19). Many reports have enough evidence for the use of FDA-approved drugs which have inhibitory potential against target proteins of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Here, we utilized a structure-based drug design approach to find possible drug candidates from the existing pool of FDA-approved drugs and checked their effectiveness against the SARS-CoV-2. We performed virtual screening of the FDA-approved drugs against the main protease (Mpro) of SARS-CoV-2, an essential enzyme, and a potential drug target. Using well-defined computational methods, we identified Glecaprevir and Maraviroc (MVC) as the best inhibitors of SARS-CoV-2 Mpro. Both drugs bind to the substrate-binding pocket of SARS-CoV-2 Mpro and form a significant number of non-covalent interactions. Glecaprevir and MVC bind to the conserved residues of substrate-binding pocket of SARS-CoV-2 Mpro. This work provides sufficient evidence for the use of Glecaprevir and MVC for the therapeutic management of COVID-19 after experimental validation and clinical manifestations.
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Pathway and mechanism of drug binding to chemokine receptors revealed by accelerated molecular simulations. Future Med Chem 2020; 12:1213-1225. [PMID: 32515227 DOI: 10.4155/fmc-2020-0044] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Background: Chemokine GPCRs play key roles in biology and medicine. Particularly, CXCR4 promotes cancer metastasis and facilitate HIV entry into host cells. Plerixafor (PLX) is a CXCR4 drug, but the pathway and binding site of PLX in CXCR4 remain unknown. Results & methodology: We have performed molecular docking and all-atom simulations using Gaussian accelerated molecular dynamics (GaMD), which are consistent with previous mutation experiments, suggesting that PLX binds to the orthosteric site of CXCR4 as an antagonist. The GaMD simulations further revealed an intermediate allosteric binding site at the extracellular mouth of CXCR4. Conclusion: The newly identified allosteric site can be targeted for novel drug design targeting CXCR4 and other chemokine receptors.
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