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Kuri PR, Goswami P. Reverse vaccinology-based multi-epitope vaccine design against Indian group A rotavirus targeting VP7, VP4, and VP6 proteins. Microb Pathog 2024; 193:106775. [PMID: 38960216 DOI: 10.1016/j.micpath.2024.106775] [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: 04/04/2024] [Revised: 06/25/2024] [Accepted: 06/30/2024] [Indexed: 07/05/2024]
Abstract
Rotavirus, a primary contributor to severe cases of infantile gastroenteritis on a global scale, results in significant morbidity and mortality in the under-five population, particularly in middle to low-income countries, including India. WHO-approved live-attenuated vaccines are linked to a heightened susceptibility to intussusception and exhibit low efficacy, primarily attributed to the high genetic diversity of rotavirus, varying over time and across different geographic regions. Herein, molecular data on Indian rotavirus A (RVA) has been reviewed through phylogenetic analysis, revealing G1P[8] to be the prevalent strain of RVA in India. The conserved capsid protein sequences of VP7, VP4 and VP6 were used to examine helper T lymphocyte, cytotoxic T lymphocyte and linear B-cell epitopes. Twenty epitopes were identified after evaluation of factors such as antigenicity, non-allergenicity, non-toxicity, and stability. These epitopes were then interconnected using suitable linkers and an N-terminal beta defensin adjuvant. The in silico designed vaccine exhibited structural stability and interactions with integrins (αvβ3 and αIIbβ3) and toll-like receptors (TLR2 and TLR4) indicated by docking and normal mode analyses. The immune simulation profile of the designed RVA multiepitope vaccine exhibited its potential to trigger humoral as well as cell-mediated immunity, indicating that it is a promising immunogen. These computational findings indicate potential efficacy of the designed vaccine against rotavirus infection.
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Affiliation(s)
- Pooja Rani Kuri
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
| | - Pranab Goswami
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
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Sharma AD, Grewal RK, Gorle S, Cuspoca AF, Kaushik V, Rajjak Shaikh A, Cavallo L, Chawla M. T cell epitope based vaccine design while targeting outer capsid proteins of rotavirus strains infecting neonates: an immunoinformatics approach. J Biomol Struct Dyn 2024; 42:4937-4955. [PMID: 37382214 DOI: 10.1080/07391102.2023.2226721] [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: 03/23/2023] [Accepted: 06/05/2023] [Indexed: 06/30/2023]
Abstract
Gastrointestinal diarrhea is majorly caused by the rotavirus (RV) in the children who generally are under the age group of 5 years. WHO estimates that ∼95% of the children contract RV infection, by this age. The disease is highly contagious; notably in many cases, it is proven fatal with high mortality rates especially in the developing countries. In India alone, an estimated 145,000 yearly deaths occurs due to RV related gastrointestinal diarrhea. WHO pre-qualified vaccines that are available for RV are all live attenuated vaccines with modest efficacy range between 40 and 60%. Further, the risk of intussusceptions has been reported in some children on RV vaccination. Thus, in a quest to develop alternative candidate to overcome challenges associated with these oral vaccines, we chose immunoinformatics approach to design a multi-epitope vaccine (MEV) while targeting the outer capsid viral proteinsVP4 and VP7 of the neonatal strains of rotavirus. Interestingly, ten epitopes, that is, six CD8+T-cells and four CD4+T-cell epitopes were identified which were predicted to be antigenic, non-allergic, non-toxic and stable. These epitopes were then linked to adjuvants, linkers, and PADRE sequences to create a multi-epitope vaccine for RV. The in silico designed RV-MEV and human TLR5 complex displayed stable interactions during molecular dynamics simulations. Further, the immune simulation studies of RV-MEV corroborated that the vaccine candidate emerges as a promising immunogen. Future investigations while performing in vitro and in vivo analyses with designed RV-MEV construct are highly desirable to warrant the potential of this vaccine candidate in protective immunity against different strains of RVs infecting neonates.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Arijit Das Sharma
- School of Bio-Engineering and Bio-Sciences, Lovely Professional University, Punjab, India
| | - Ravneet Kaur Grewal
- Department of Research and Innovation, STEMskills Research and Education Lab Private Limited, Faridabad, Haryana, India
| | - Suresh Gorle
- Department of Research and Innovation, STEMskills Research and Education Lab Private Limited, Faridabad, Haryana, India
| | - Andrés Felipe Cuspoca
- Grupo de Investigación Epidemiología Clínica de Colombia (GRECO), Universidad Pedagógica y Tecnológica de Colombia, Tunja, Colombia
- Centro de Atención e Investigación Médica - CAIMED, Chía, Colombia
| | - Vikas Kaushik
- School of Bio-Engineering and Bio-Sciences, Lovely Professional University, Punjab, India
| | - Abdul Rajjak Shaikh
- Department of Research and Innovation, STEMskills Research and Education Lab Private Limited, Faridabad, Haryana, India
| | - Luigi Cavallo
- Physical Sciences and Engineering Division, Kaust Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Mohit Chawla
- Physical Sciences and Engineering Division, Kaust Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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Ghafouri E, Fadaie M, Amirkhani Z, Esmaeilifallah M, Rahimmanesh I, Hosseini N, Hejazi H, Khanahmad H. Evaluation of humoral and cellular immune responses against Vibrio cholerae using oral immunization by multi-epitope-phage-based vaccine. Int Immunopharmacol 2024; 134:112160. [PMID: 38710117 DOI: 10.1016/j.intimp.2024.112160] [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: 01/08/2024] [Revised: 04/09/2024] [Accepted: 04/24/2024] [Indexed: 05/08/2024]
Abstract
INTRODUCTION Cholera is a severe gastrointestinal disease that manifests with rapid onset of diarrhea, vomiting, and high mortality rates. Due to its widespread occurrence in impoverished communities with poor water sanitation, there is an urgent demand for a cost-effective and highly efficient vaccine. Multi-epitope vaccines containing dominant immunological epitopes and adjuvant compounds have demonstrated potential in boosting the immune response. MATERIAL AND METHODS B and T epitopes of OMPU, OMPW, TCPA, CTXA, and CTXB proteins were predicted using bioinformatics methods. Subsequently, highly antigenic multi-epitopes that are non-allergenic and non-toxic were synthesized. These multi-epitopes were then cloned into the pCOMB phagemid. A plasmid M13KO7ΔpIII containing all helper phage proteins except pIII was created to produce the recombinant phage. Female Balb/c mice were divided into three groups and immunized accordingly. The mice received the helper phage, recombinant phage or PBS via gavage feeding thrice within two weeks. Serum samples were collected before and after immunization for the ELISA test as well as evaluating immune system induction through ELISpot testing of spleen lymphocytes. RESULTS The titer of the recombinant phage was determined to be 1011 PFU/ml. The presence of the recombinant phage was confirmed through differences in optical density between sample and control groups in the ELISA phage technique, as well as by observing transduction activity, which demonstrated successful production of a recombinant phage displaying the Vibrio multi-epitope on M13 phage pIII. ELISA results revealed significant differences in phage antibodies before and after inoculation, particularly notable in the negative control mice. Mice treated with multi-epitope phages exhibited antibodies against Vibrio cholerae lysate. Additionally, ELISpot results indicated activation of cellular immunity in mice receiving both Vibrio and helper phage. CONCLUSION This study emphasizes the potential of multi-epitope on phage to enhance both cellular and humoral immunity in mice, demonstrating how phages can be used as adjuvants to stimulate mucosal immunity and act as promising candidates for oral vaccination.
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MESH Headings
- Animals
- Vibrio cholerae/immunology
- Mice, Inbred BALB C
- Female
- Cholera/prevention & control
- Cholera/immunology
- Cholera Vaccines/immunology
- Cholera Vaccines/administration & dosage
- Immunity, Humoral
- Administration, Oral
- Immunity, Cellular
- Mice
- Antibodies, Bacterial/blood
- Epitopes, T-Lymphocyte/immunology
- Epitopes, T-Lymphocyte/genetics
- Immunization
- Epitopes, B-Lymphocyte/immunology
- Epitopes, B-Lymphocyte/genetics
- Humans
- Bacteriophages/immunology
- Antigens, Bacterial/immunology
- Antigens, Bacterial/genetics
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Affiliation(s)
- Elham Ghafouri
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahmood Fadaie
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zohre Amirkhani
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahsa Esmaeilifallah
- Department of Medical Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ilnaz Rahimmanesh
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nafiseh Hosseini
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Hejazi
- Department of Medical Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
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Wang Y, Wu A, Xu Z, Zhang H, Li H, Fu S, Liu Y, Cui L, Miao Y, Wang Y, Zhumanov K, Xu Y, Sheng J, Yi J, Chen C. A multi-epitope subunit vaccine based on CU/ZN-SOD, OMP31 and BP26 against Brucella melitensis infection in BALB/C mice. Int Immunopharmacol 2024; 127:111351. [PMID: 38113688 DOI: 10.1016/j.intimp.2023.111351] [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: 10/09/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/21/2023]
Abstract
Brucellosis, a zoonosis caused by Brucella, is highly detrimental to both humans and animals. Most existing vaccines are live attenuated vaccines with safety flaws for people and animals. Therefore, it is advantageous to design a multi-epitope subunit vaccine (MEV) to prevent Brucella infection. To this end, we applied a reverse vaccinology approach. Six cytotoxic T cell (CTL) epitopes, seven T helper cell (HTL) epitopes, and four linear B cell epitopes from CU/ZN-SOD, Omp31, and BP26 were obtained. We linked the CTL, HTL, B-cell epitopes, the appropriate CTB molecular adjuvant, and the universal T helper lymphocyte epitope, PADRE, with linkers AAY, GPPGG, and KK, respectively. This yielded a 412-amino acid MEV construct, which we named MEVcob. The immunogenicity, stability, safety, and feasibility of the construct were evaluated by bioinformatics tools (including the AlphaFold2 prediction tool, the AlphaFold2 tool, NetMHC-I pan 4.0 server, IEDB MHC-I server, ABCpred service, and C-ImmSim server); the physicochemical properties, secondary and tertiary structures, and binding ability of MEVocb to toll-like receptor 4 (TLR4) was analyzed. Then, codon adaptation and computer cloning studies were performed. MEVocb is highly immunogenic in immunostimulation experiments, The proteins translated by these sequences were relatively stable, exhibiting a high antigenic index. Furthermore, mouse experiments confirmed that the MEVocb construct could raise IFN-γ, IgG, IgG2a, IgG1, IL-2, TNF-α levels in mice, indicating that induced a specific humoral and cellular immune response in BALB/c mice. This vaccine induced a statistically significant level of protection in BALB/c mice when challenged with Brucella melitensis 043 in Xinjiang. Briefly, we utilized immunoinformatic tools to design a novel multi-epitope subunit candidate vaccine against Brucella. This vaccine aims to induce host immune responses and confer specific protective effects. The study results offer a theoretical foundation for the development of a novel Brucella subunit vaccine.
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Affiliation(s)
- Yueli Wang
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Aodi Wu
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Zhenyu Xu
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Huan Zhang
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Honghuan Li
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Shuangshuang Fu
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Yajing Liu
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Lijin Cui
- Fujian Biotechnology Co., LTD., 353000 Nanping, Fujian, China
| | - Yuhe Miao
- Fujian Biotechnology Co., LTD., 353000 Nanping, Fujian, China
| | - Yong Wang
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China
| | - Kaiat Zhumanov
- Kazakh National Agrarian University, The Republic of Kazakhstan
| | - Yimei Xu
- Xinjiang Center for Disease Control and Prevention, 830000 Urumqi, Xinjiang, China
| | - Jinliang Sheng
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China.
| | - Jihai Yi
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China.
| | - Chuangfu Chen
- School of Animal Science and Technology, Shihezi University, 832000 Shihezi City, Xinjiang, China.
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Hozoorbakhsh F, Ghiasian M, Ghandehari F, Emami-Karvani Z, Khademi Dehkordi M. An immunoinformatic approach employing molecular docking and molecular dynamics simulation for evaluation of l-asparaginase produced by Bacillus velezensis. J Biomol Struct Dyn 2023; 41:9057-9071. [PMID: 36377397 DOI: 10.1080/07391102.2022.2139765] [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: 08/20/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022]
Abstract
l-Asparaginase is one of the most important treatments for acute lymphoblastic leukemia. In this study, l-asparaginase-producing bacteria were isolated from the effluent and soil of the Isfahan slaughterhouse using M9 specific medium. Isolates were identified by 16SrRNA phylogenetic analysis. The immune characteristics were predicted. Molecular docking was performed between l-asparaginase and l-asparagine substrate using AutoDock tools 4.2 and AutoDock Vina. Molecular dynamics simulation studies were fulfilled using GROMACS. Five l-asparaginase-producing bacteria isolated that belonging to Stenotrophomonas maltophilia, Chryseobacterium sp. Chryseobacterium indologenes, Bacillus velezensis and Bacillus safensis. Predictions showed B. velezensis has better immune characteristics than B. safensis. The binding energies of the docked complex were calculated to be -4.34 and -4.9 kcal/mol. Molecular docking confirmed the interaction of l-asparaginase with its substrate. It was observed that the residues Thr36, Tyr50, Ala47, Thr116, Asp117, Met142, Thr193 and Thr192 were fundamental in protein-ligand complexation. Also, RMSD, RMSF, Rg, DSSP, SASA and MM-PBSA analysis showed that when l-asparaginase is bound to l-asparagine, it did not lose stability, secondary structure and compactness. Slaughterhouse soils and effluents are a potential source of l-asparaginase-producing bacteria that probably can probably produce l-asparaginase with more favorable immune properties than commercial enzymes.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Mozhgan Ghiasian
- Department of Microbiology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Fereshte Ghandehari
- Department of Microbiology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
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Usman M, Ayub A, Habib S, Rana MS, Rehman Z, Zohaib A, Jamal SB, Jaiswal AK, Andrade BS, de Carvalho Azevedo V, Faheem M, Javed A. Vaccinomics Approach for Multi-Epitope Vaccine Design against Group A Rotavirus Using VP4 and VP7 Proteins. Vaccines (Basel) 2023; 11:726. [PMID: 37112638 PMCID: PMC10144065 DOI: 10.3390/vaccines11040726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/15/2023] [Accepted: 03/15/2023] [Indexed: 03/29/2023] Open
Abstract
Rotavirus A is the most common cause of Acute Gastroenteritis globally among children <5 years of age. Due to a segmented genome, there is a high frequency of genetic reassortment and interspecies transmission which has resulted in the emergence of novel genotypes. There are concerns that monovalent (Rotarix: GlaxoSmithKline Biologicals, Rixensart, Belgium) and pentavalent (RotaTeq: MERCK & Co., Inc., Kenilworth, NJ, USA) vaccines may be less effective against non-vaccine strains, which clearly shows the demand for the design of a vaccine that is equally effective against all circulating genotypes. In the present study, a multivalent vaccine was designed from VP4 and VP7 proteins of RVA. Epitopes were screened for antigenicity, allergenicity, homology with humans and anti-inflammatory properties. The vaccine contains four B-cell, three CTL and three HTL epitopes joined via linkers and an N-terminal RGD motif adjuvant. The 3D structure was predicted and refined preceding its docking with integrin. Immune simulation displayed promising results both in Asia and worldwide. In the MD simulation, the RMSD value varied from 0.2 to 1.6 nm while the minimum integrin amino acid fluctuation (0.05-0.1 nm) was observed with its respective ligand. Codon optimization was performed with an adenovirus vector in a mammalian expression system. The population coverage analysis showed 99.0% and 98.47% in South Asia and worldwide, respectively. These computational findings show potential against all RVA genotypes; however, in-vitro/in-vivo screening is essential to devise a meticulous conclusion.
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Affiliation(s)
- Muhammad Usman
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
- Department of Virology, National Institute of Health, Islamabad 45500, Pakistan
| | - Aaima Ayub
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Sabahat Habib
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
| | | | - Zaira Rehman
- Department of Virology, National Institute of Health, Islamabad 45500, Pakistan
| | - Ali Zohaib
- Department of Microbiology, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, Bahawalpur 63100, Pakistan
| | - Syed Babar Jamal
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan (M.F.)
| | - Arun Kumar Jaiswal
- Laboratory of Cellular and Molecular Genetics (LGCM), PG Program in Bioinformatics, Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - Bruno Silva Andrade
- Laboratory of Bioinformatics and Computational Chemistry, State University of Southwest of Bahia, Bahia 45083-900, Brazil
| | - Vasco de Carvalho Azevedo
- Laboratory of Cellular and Molecular Genetics (LGCM), PG Program in Bioinformatics, Department of Genetics, Ecology, and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - Muhammad Faheem
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan (M.F.)
| | - Aneela Javed
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad 44000, Pakistan
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Kuri P, Goswami P. Current Update on Rotavirus in-Silico Multiepitope Vaccine Design. ACS OMEGA 2023; 8:190-207. [PMID: 36643547 PMCID: PMC9835168 DOI: 10.1021/acsomega.2c07213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/14/2022] [Indexed: 06/06/2023]
Abstract
Rotavirus gastroenteritis is one of the leading causes of pediatric morbidity and mortality worldwide in infants and under-five populations. The World Health Organization (WHO) recommended global incorporation of the rotavirus vaccine in national immunization programs to alleviate the burden of the disease. Implementation of the rotavirus vaccination in certain regions of the world brought about a significant and consistent reduction of rotavirus-associated hospitalizations. However, the efficacy of licensed vaccines remains suboptimal in low-income countries where the incidences of rotavirus gastroenteritis continue to happen unabated. The problem of low efficacy of currently licensed oral rotavirus vaccines in low-income countries necessitates continuous exploration, design, and development of new rotavirus vaccines. Traditional vaccine development is a complex, expensive, labor-intensive, and time-consuming process. Reverse vaccinology essentially utilizes the genome and proteome information on pathogens and has opened new avenues for in-silico multiepitope vaccine design for a plethora of pathogens, promising time reduction in the complete vaccine development pipeline by complementing the traditional vaccinology approach. A substantial number of reviews on licensed rotavirus vaccines and those under evaluation are already available in the literature. However, a collective account of rotavirus in-silico vaccines is lacking in the literature, and such an account may further fuel the interest of researchers to use reverse vaccinology to expedite the vaccine development process. Therefore, the main focus of this review is to summarize the research endeavors undertaken for the design and development of rotavirus vaccines by the reverse vaccinology approach utilizing the tools of immunoinformatics.
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Mohanty E, Mohanty A. Role of artificial intelligence in peptide vaccine design against RNA viruses. INFORMATICS IN MEDICINE UNLOCKED 2021; 26:100768. [PMID: 34722851 PMCID: PMC8536498 DOI: 10.1016/j.imu.2021.100768] [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: 08/30/2021] [Revised: 10/16/2021] [Accepted: 10/16/2021] [Indexed: 01/18/2023] Open
Abstract
RNA viruses have high rate of replication and mutation that help them adapt and change according to their environmental conditions. Many viral mutants are the cause of various severe and lethal diseases. Vaccines, on the other hand have the capacity to protect us from infectious diseases by eliciting antibody or cell-mediated immune responses that are pathogen-specific. While there are a few reviews pertaining to the use of artificial intelligence (AI) for SARS-COV-2 vaccine development, none focus on peptide vaccination for RNA viruses and the important role played by AI in it. Peptide vaccine which is slowly coming to be recognized as a safe and effective vaccination strategy has the capacity to overcome the mutant escape problem which is also being currently faced by SARS-COV-2 vaccines in circulation.Here we review the present scenario of peptide vaccines which are developed using mathematical and computational statistics methods to prevent the spread of disease caused by RNA viruses. We also focus on the importance and current stage of AI and mathematical evolutionary modeling using machine learning tools in the establishment of these new peptide vaccines for the control of viral disease.
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Affiliation(s)
- Eileena Mohanty
- Trident School of Biotech Sciences, Trident Academy of Creative Technology (TACT), Bhubaneswar, Odisha, 751024, India
| | - Anima Mohanty
- School of Biotechnology (KSBT), KIIT University-2, Bhubaneswar, 751024, India
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9
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Li Z, Zhang F, Zhang C, Wang C, Lu P, Zhao X, Hao L, Ding J. Immunoinformatics prediction of OMP2b and BCSP31 for designing multi-epitope vaccine against Brucella. Mol Immunol 2019; 114:651-660. [PMID: 31557626 DOI: 10.1016/j.molimm.2019.09.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 09/09/2019] [Accepted: 09/13/2019] [Indexed: 12/31/2022]
Abstract
Brucella poses a serious threat to human health. High quality vaccines for Brucella are urgently needed to effectively reduce the incidence of brucellosis. OMP2b and BCSP31 are important component proteins of the Brucella outer membrane and are highly immunogenic. Here, we used the bioinformatics software ProtParam, SOPMA, SWISS-MODEL, Rasmol, BepiPred, SYFPEITHI and IEDB to analyze the structure of these two proteins and predict the epitopes of T cells and B cells. Through analysis, we predicted three Th cell epitopes, seven CTL epitopes, eight B cell epitopes, and one T-B combined epitope of OMP2b protein. Subsequently, we also obtained three Th cell epitopes, six CTL epitopes, nine B cell epitopes and one T-B combined epitope of BCSP31 protein. The T-B combined epitopes and CTL epitopes of OMP2b and those of BCSP31 were synthesized to detect their immunogenicity. The IFN-γ ELISPOT assay showed that the T-B combined epitope peptides of OMP2b and BCSP31 activated Th cell immune responses. ELISA analysis detected the specific antibodies against the T-B combined epitope peptide of OMP2b and BCSP31 in the serum of Brucellosis patients. Additionally, CTL epitope peptide of OMP2b and BCSP31 proteins promoted the secretion of soluble perforin and granzyme B in the culture supernatant. In conclusion, our study shows that the T-B combined epitopes and CTL epitopes of OMP2b and BCSP31 have immunogenicity and immunoreactivity. Our results may lay a theoretical foundation for the development of vaccines against Brucella.
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Affiliation(s)
- Zhiwei Li
- School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, 830011, PR China; Clinical Laboratory Center, People's Hospital of Xinjiang Uygur Autonomous Region Urumqi, Xinjiang, 830001, PR China
| | - Fengbo Zhang
- State Key Laboratory of Pathogenesis, Prevention, Treatment of Central Asian High Incidence Diseases, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830011, PR China
| | - Chuntao Zhang
- Department of Immunology, Basic Medical College of Xinjiang Medical University, Urumqi, Xinjiang, 830011, PR China
| | - Changmin Wang
- Clinical Laboratory Center, People's Hospital of Xinjiang Uygur Autonomous Region Urumqi, Xinjiang, 830001, PR China
| | - Peipei Lu
- Clinical Laboratory Center, People's Hospital of Xinjiang Uygur Autonomous Region Urumqi, Xinjiang, 830001, PR China
| | - Xiao Zhao
- Department of Immunology, Basic Medical College of Xinjiang Medical University, Urumqi, Xinjiang, 830011, PR China
| | - Lijun Hao
- Clinical Laboratory Center, People's Hospital of Xinjiang Uygur Autonomous Region Urumqi, Xinjiang, 830001, PR China
| | - Jianbing Ding
- Department of Immunology, Basic Medical College of Xinjiang Medical University, Urumqi, Xinjiang, 830011, PR China.
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10
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Mohanty E, Dehury B, Satapathy AK, Dwibedi B. Design and testing of a highly conserved human rotavirus VP8* immunogenic peptide with potential for vaccine development. J Biotechnol 2018; 281:48-60. [PMID: 29886031 DOI: 10.1016/j.jbiotec.2018.06.306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 05/25/2018] [Accepted: 06/06/2018] [Indexed: 12/11/2022]
Abstract
Rotavirus infection of young children particularly below five years of age resulting in severe diarhoea, is the cause of a large number of infant deaths all over the world, more so in developing countries like India. Vaccines developed against this infection in the last two decades have shown mixed results with some of them leading to complications. Oral vaccines have not been very effective in India. Significant diversity has been found in circulating virus strains in India. Development of a vaccine against diverse genetic variants of the different strains would go a long way in reducing the incidence of infection in developing countries. Success of such a vaccine would depend to a large extent on the antigenic peptide to be used in antibody production. The non-glycosylated protein VP4 on the surface capsid of the virus is important in rota viral immunogenicity and the major antigenic site(s) responsible for neutralization of the virus via VP4 is in the VP8* subunit of VP4. It is necessary that the peptide should be very specific and a peptide sequence which would stimulate both the T and B immunogenic cells would provide maximum protection against the virus. Advanced computational techniques and existing databases of sequences of the VP4 protein of rotavirus help in identification of such specific sequences. Using an in silico approach we have identified a highly conserved VP8* subunit of the VP4 surface protein of rotavirus which shows both T and B cell processivity and is also non-allergenic. This sub-unit could be used in in vivo models for induction of antibodies.
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Affiliation(s)
- Eileena Mohanty
- All India institute of medical sciences, Bhubaneshwar, 751019, Odisha, India.
| | - Budheswar Dehury
- Biomedical Informatics Centre, Regional Medical Research Centre, Indian Council of Medical Research, Bhubaneswar, 751023, Odisha, India.
| | - Ashok Kumar Satapathy
- Immunology Laboratory, Regional Medical Research Centre, Indian Council of Medical Research, Bhubaneswar, 751023, Odisha, India.
| | - Bhagirathi Dwibedi
- All India institute of medical sciences, Bhubaneshwar, 751019, Odisha, India.
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Construction of a Recombinant OmpC Dominant Epitope-Based Vaccine Against Escherichia coli and Evaluation of Its Immunogenicity and Protective Immunity. Jundishapur J Microbiol 2017. [DOI: 10.5812/jjm.55652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Lage DP, Martins VT, Duarte MC, Costa LE, Garde E, Dimer LM, Kursancew ACS, Chávez-Fumagalli MA, de Magalhães-Soares DF, Menezes-Souza D, Roatt BM, Machado-de-Ávila RA, Soto M, Tavares CAP, Coelho EAF. A new Leishmania-specific hypothetical protein and its non-described specific B cell conformational epitope applied in the serodiagnosis of canine visceral leishmaniasis. Parasitol Res 2016; 115:1649-58. [DOI: 10.1007/s00436-016-4904-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 01/08/2016] [Indexed: 01/10/2023]
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