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Castillo G, Mora-Díaz JC, Breuer M, Singh P, Nelli RK, Giménez-Lirola LG. Molecular mechanisms of human coronavirus NL63 infection and replication. Virus Res 2023; 327:199078. [PMID: 36813239 PMCID: PMC9944649 DOI: 10.1016/j.virusres.2023.199078] [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: 12/20/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023]
Abstract
Human coronavirus NL63 (HCoV-NL63) is spread globally, causing upper and lower respiratory tract infections mainly in young children. HCoV-NL63 shares a host receptor (ACE2) with severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2 but, unlike them, HCoV-NL63 primarily develops into self-limiting mild to moderate respiratory disease. Although with different efficiency, both HCoV-NL63 and SARS-like CoVs infect ciliated respiratory cells using ACE2 as receptor for binding and cell entry. Working with SARS-like CoVs require access to BSL-3 facilities, while HCoV-NL63 research can be performed at BSL-2 laboratories. Thus, HCoV-NL63 could be used as a safer surrogate for comparative studies on receptor dynamics, infectivity and virus replication, disease mechanism, and potential therapeutic interventions against SARS-like CoVs. This prompted us to review the current knowledge on the infection mechanism and replication of HCoV-NL63. Specifically, after a brief overview on the taxonomy, genomic organization and virus structure, this review compiles the current HCoV-NL63-related research in virus entry and replication mechanism, including virus attachment, endocytosis, genome translation, and replication and transcription. Furthermore, we reviewed cumulative knowledge on the susceptibility of different cells to HCoV-NL63 infection in vitro, which is essential for successful virus isolation and propagation, and contribute to address different scientific questions from basic science to the development and assessment of diagnostic tools, and antiviral therapies. Finally, we discussed different antiviral strategies that have been explored to suppress replication of HCoV-NL63, and other related human coronaviruses, by either targeting the virus or enhancing host antiviral mechanisms.
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Affiliation(s)
- Gino Castillo
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Juan Carlos Mora-Díaz
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Mary Breuer
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Pallavi Singh
- Department of Biological Sciences, Northern Illinois University, DeKalb, IL 60115, USA
| | - Rahul K Nelli
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Luis G Giménez-Lirola
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA.
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Kawaguchi S, Sakuraba H, Kikuchi H, Matsuki K, Hayashi Y, Ding J, Tanaka Y, Seya K, Matsumiya T, Hiraga H, Fukuda S, Sasaki K, Imaizumi T. Polygonum tinctorium leaf extract ameliorates high-fat diet-induced intestinal epithelial damage in mice. Exp Ther Med 2023; 25:112. [PMID: 36793327 PMCID: PMC9922942 DOI: 10.3892/etm.2023.11811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
Dietary fat strongly influences the intestinal mucosal barrier, which protects against invading pathogenic bacteria. A high-fat diet (HFD) compromises the integrity of epithelial tight junctions (TJs) and reduces mucin production, leading to intestinal barrier disruption and metabolic endotoxemia. It has been shown that the active constituents of indigo plants can protect against intestinal inflammation; however, their protective role in HFD-induced intestinal epithelial damage remains unknown. The present study aimed to investigate the effects of Polygonum tinctorium leaf extract (indigo Ex) on HFD-induced intestinal damage in mice. Male C57BL6/J mice were fed a HFD and injected intraperitoneally with either indigo Ex or phosphate-buffered saline (PBS) for 4 weeks. The expression levels of TJ proteins, zonula occludens-1 and Claudin-1, were analyzed by immunofluorescence staining and western blotting. The colon mRNA expression levels of tumor necrosis factor-α, interleukin (IL)-12p40, IL-10 and IL-22 were measured by reverse transcription-quantitative PCR. The results revealed that indigo Ex administration attenuated the HFD-induced shortening of the colon. Colon crypt length was shown to be significantly greater in the indigo Ex-treated group mice compared with that in the PBS-treated group mice. Moreover, indigo Ex administration increased the number of goblet cells, and ameliorated the redistribution of TJ proteins. Notably, indigo Ex significantly increased the colon mRNA expression levels of IL-10. Indigo Ex displayed little effect on the gut microbial composition of HFD-fed mice. Taken together, these results suggested that indigo Ex may protect against HFD-induced epithelial damage. The leaves of indigo plants contain promising natural therapeutic compounds that could be used to treat obesity-associated intestinal damage and metabolic inflammation.
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Affiliation(s)
- Shogo Kawaguchi
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan,Correspondence to: Dr Shogo Kawaguchi, Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
| | - Hirotake Sakuraba
- Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Hidezumi Kikuchi
- Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Kota Matsuki
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Yudai Hayashi
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Jiangli Ding
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Yusuke Tanaka
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan,Department of Respiratory Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Kazuhiko Seya
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Tomoh Matsumiya
- Department of Bioscience and Laboratory Medicine, Hirosaki University Graduate School of Health Science, Hirosaki, Aomori 036-8564, Japan
| | - Hiroto Hiraga
- Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Shinsaku Fukuda
- Department of Gastroenterology and Hematology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
| | - Kenroh Sasaki
- Division of Pharmacognosy, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi 981-8558, Japan
| | - Tadaatsu Imaizumi
- Department of Vascular Biology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8562, Japan
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Takaoka Y, Sugano A, Morinaga Y, Ohta M, Miura K, Kataguchi H, Kumaoka M, Kimura S, Maniwa Y. Prediction of infectivity of SARS-CoV2: Mathematical model with analysis of docking simulation for spike proteins and angiotensin-converting enzyme 2. MICROBIAL RISK ANALYSIS 2022; 22:100227. [PMID: 35756961 PMCID: PMC9212987 DOI: 10.1016/j.mran.2022.100227] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/15/2022] [Accepted: 06/15/2022] [Indexed: 05/13/2023]
Abstract
OBJECTIVES Variants of a coronavirus (SARS-CoV-2) have been spreading in a global pandemic. Improved understanding of the infectivity of future new variants is important so that effective countermeasures against them can be quickly undertaken. In our research reported here, we aimed to predict the infectivity of SARS-CoV-2 by using a mathematical model with molecular simulation analysis, and we used phylogenetic analysis to determine the evolutionary distance of the spike protein gene (S gene) of SARS-CoV-2. METHODS We subjected the six variants and the wild type of spike protein and human angiotensin-converting enzyme 2 (ACE2) to molecular docking simulation analyses to understand the binding affinity of spike protein and ACE2. We then utilized regression analysis of the correlation coefficient of the mathematical model and the infectivity of SARS-CoV-2 to predict infectivity. RESULTS The evolutionary distance of the S gene correlated with the infectivity of SARS-CoV-2 variants. The calculated biding affinity for the mathematical model obtained with results of molecular docking simulation also correlated with the infectivity of SARS-CoV-2 variants. These results suggest that the data from the docking simulation for the receptor binding domain of variant spike proteins and human ACE2 were valuable for prediction of SARS-CoV-2 infectivity. CONCLUSION We developed a mathematical model for prediction of SARS-CoV-2 variant infectivity by using binding affinity obtained via molecular docking and the evolutionary distance of the S gene.
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Affiliation(s)
- Yutaka Takaoka
- Department of Computational Drug Design and Mathematical Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
- Data Science Center for Medicine and Hospital Management, Toyama University Hospital, Toyama 930-0194, Japan
- Center for Advanced Antibody Drug Development, University of Toyama, Toyama 930-0194, Japan
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
- Life Science Institute, Kobe Tokiwa University, Kobe, Hyogo 653-0838, Japan
| | - Aki Sugano
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
- Center for Clinical Research, Toyama University Hospital, Toyama 930-0194, Japan
| | - Yoshitomo Morinaga
- Department of Microbiology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
| | - Mika Ohta
- Department of Computational Drug Design and Mathematical Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
- Data Science Center for Medicine and Hospital Management, Toyama University Hospital, Toyama 930-0194, Japan
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
- Life Science Institute, Kobe Tokiwa University, Kobe, Hyogo 653-0838, Japan
| | - Kenji Miura
- Data Science Center for Medicine and Hospital Management, Toyama University Hospital, Toyama 930-0194, Japan
| | - Haruyuki Kataguchi
- Department of Computational Drug Design and Mathematical Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
- Data Science Center for Medicine and Hospital Management, Toyama University Hospital, Toyama 930-0194, Japan
| | - Minoru Kumaoka
- Data Science Center for Medicine and Hospital Management, Toyama University Hospital, Toyama 930-0194, Japan
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
| | - Shigemi Kimura
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
| | - Yoshimasa Maniwa
- Department of Medical Systems, Kobe University Graduate School of Medicine, Kobe, Hyogo 650-0017, Japan
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Hagiyama M, Mimae T, Wada A, Takeuchi F, Yoneshige A, Inoue T, Kotoku N, Hamada H, Sekido Y, Okada M, Ito A. Possible Therapeutic Utility of anti-Cell Adhesion Molecule 1 Antibodies for Malignant Pleural Mesothelioma. Front Cell Dev Biol 2022; 10:945007. [PMID: 35903548 PMCID: PMC9315061 DOI: 10.3389/fcell.2022.945007] [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: 05/16/2022] [Accepted: 06/23/2022] [Indexed: 11/15/2022] Open
Abstract
Malignant pleural mesothelioma (MPM) is a highly aggressive malignant tumor, and the effective therapeutic drugs are limited. Thus, the establishment of novel therapeutic method is desired. Considerable proportion of MPMs are shown to express cell adhesion molecule 1 (CADM1), and to use CADM1 to bind to and proliferate on the pleural mesothelial surface, suggesting that CADM1 is a possible therapeutic target. Here, anti-CADM1 ectodomain chicken monoclonal antibodies, 3E1 and 9D2, were examined for their possible therapeutic utility. The full-length form of CADM1 was expressed in eight out of twelve human MPM cell lines. MPM cell lines were cultured on a confluent monolayer of mesothelial MeT-5A cells in the presence of 9D2, the neutralizing antibody. 9D2 suppressed the cell growth of CADM1-positive MPM cells with the loss and aggregation of CADM1 molecules on the MPM cell membrane, but not of CADM1-negative MPM cells. Co-addition of 3E1, lacking the neutralizing action, enhanced the growth-suppressive effect of 9D2. The two antibodies were tested as drug delivery vectors. 3E1 was converted into a humanized antibody (h3E1) and conjugated with monomethyl auristatin E (MMAE), a tubulin polymerization inhibitor. When the resulting h3E1–MMAE antibody-drug conjugate (ADC) was added to the standard cultures of CADM1-positive MPM cells, it suppressed the cell growth in a dose-dependent manner. Co-addition of 9D2 enhanced the growth-suppressive effect of h3E1–MMAE ADC. Anti-CADM1 ectodomain antibodies were suggested to serve as both antibody drugs and drug vectors in the treatment of MPM.
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Affiliation(s)
- Man Hagiyama
- Department of Pathology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Takahiro Mimae
- Department of Surgical Oncology, Hiroshima University, Hiroshima, Japan
| | - Akihiro Wada
- Department of Pathology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Fuka Takeuchi
- Division of Molecular Pathology, Graduate School of Medical Science, Kindai University, Osaka, Japan
| | - Azusa Yoneshige
- Department of Pathology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Takao Inoue
- Department of Pathology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Naoyuki Kotoku
- College of Pharmaceutical Sciences, Ritsumeikan University, Shiga, Japan
| | - Hironobu Hamada
- Department of Physical Analysis and Therapeutic Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yoshitaka Sekido
- Division of Cancer Biology, Aichi Cancer Center Research Institute, Nagoya, Japan
| | - Morihito Okada
- Department of Surgical Oncology, Hiroshima University, Hiroshima, Japan
| | - Akihiko Ito
- Department of Pathology, Kindai University Faculty of Medicine, Osaka, Japan
- Division of Molecular Pathology, Graduate School of Medical Science, Kindai University, Osaka, Japan
- *Correspondence: Akihiko Ito,
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