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Neog S, Vinjamuri SR, Vijayan K, Kumar S, Trivedi V. NDV targets the invasion pathway in malaria parasite through cell surface sialic acid interaction. FASEB J 2024; 38:e23856. [PMID: 39092913 DOI: 10.1096/fj.202400004rr] [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: 01/03/2024] [Revised: 07/01/2024] [Accepted: 07/21/2024] [Indexed: 08/04/2024]
Abstract
Merozoites utilize sialic acids on the red blood cell (RBC) cell surface to rapidly adhere to and invade the RBCs. Newcastle disease virus (NDV) displays a strong affinity toward membrane-bound sialic acids. Incubation of NDV with the malaria parasites dose-dependently reduces its cellular viability. The antiplasmodial activity of NDV is specific, as incubation with Japanese encephalitis virus, duck enteritis virus, infectious bronchitis virus, and influenza virus did not affect the parasite propagation. Interestingly, NDV is reducing more than 80% invasion when RBCs are pretreated with the virus. Removal of the RBC surface proteins or the NDV coat proteins results in disruption of the virus binding to RBC. It suggests the involvement of specific protein: ligand interaction in virus binding. We established that the virus engages with the parasitized RBCs (PRBCs) through its hemagglutinin neuraminidase (HN) protein by recognizing sialic acid-containing glycoproteins on the cell surface. Blocking of the HN protein with free sialic acid or anti-HN antibodies abolished the virus binding as well as its ability to reduce parasite growth. Interestingly, the purified HN from the virus alone could inhibit the parasite's growth in a dose-dependent manner. NDV binds strongly to knobless murine parasite strain Plasmodium yoelii and restricted the parasite growth in mice. Furthermore, the virus was found to preferentially target the PRBCs compared to normal erythrocytes. Immunolocalization studies reveal that NDV is localized on the plasma membrane as well as weakly inside the PRBC. NDV causes neither any infection nor aggregation of the human RBCs. Our findings suggest that NDV is a potential candidate for developing targeted drug delivery platforms for the Plasmodium-infected RBCs.
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Affiliation(s)
- Siddharth Neog
- Malaria Research Group, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Sandeep Reddy Vinjamuri
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, India
| | - Kamalakannan Vijayan
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, India
| | - Sachin Kumar
- Viral Immunology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Vishal Trivedi
- Malaria Research Group, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India
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2
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Vilela J, Rohaim MA, Munir M. Avian Orthoavulavirus Type-1 as Vaccine Vector against Respiratory Viral Pathogens in Animal and Human. Vaccines (Basel) 2022; 10:259. [PMID: 35214716 PMCID: PMC8876055 DOI: 10.3390/vaccines10020259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/30/2022] [Accepted: 02/04/2022] [Indexed: 11/17/2022] Open
Abstract
Avian orthoavulaviruses type-1 (AOaV-1) have recently transitioned from animal vaccine vector to a bona fide vaccine delivery vehicle in human. Owing to induction of robust innate and adaptive immune responses in mucus membranes in both birds and mammals, AOaVs offer an attractive vaccine against respiratory pathogens. The unique features of AOaVs include over 50 years of safety profile, stable expression of foreign genes, high infectivity rates in avian and mammalian hosts, broad host spectrum, limited possibility of recombination and lack of pre-existing immunity in humans. Additionally, AOaVs vectors allow the production of economical and high quantities of vaccine antigen in chicken embryonated eggs and several GMP-grade mammalian cell lines. In this review, we describe the biology of AOaVs and define protocols to manipulate AOaVs genomes in effectively designing vaccine vectors. We highlighted the potential and established portfolio of AOaV-based vaccines for multiple respiratory and non-respiratory viruses of veterinary and medical importance. We comment on the limitations of AOaV-based vaccines and propose mitigations strategies. The exploitation of AOaVs vectors is expanding at an exciting pace; thus, we have limited the scope to their use as vaccines against viral pathogens in both animals and humans.
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Affiliation(s)
- Julianne Vilela
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
| | - Mohammed A. Rohaim
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Muhammad Munir
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
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3
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Nath B, Morla S, Kumar S. Reverse Genetics and Its Usage in the Development of Vaccine Against Poultry Diseases. Methods Mol Biol 2022; 2411:77-92. [PMID: 34816399 DOI: 10.1007/978-1-0716-1888-2_4] [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] [Indexed: 06/13/2023]
Abstract
Vaccines are the most effective and economic way of combating poultry viruses. However, the use of traditional live-attenuated poultry vaccines has problems such as antigenic differences with the currently circulating strains of viruses and the risk of reversion to virulence. In veterinary medicine, reverse genetics is applied to solve these problems by developing genotype-matched vaccines, better attenuated and effective live vaccines, broad-spectrum vaccine vectors, bivalent vaccines, and genetically tagged recombinant vaccines that facilitate the serological differentiation of vaccinated animals from infected animals. In this chapter, we discuss reverse genetics as a tool for the development of recombinant vaccines against economically devastating poultry viruses.
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Affiliation(s)
- Barnali Nath
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Sudhir Morla
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India.
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4
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Generation and Evaluation of Recombinant Thermostable Newcastle Disease Virus Expressing the HA of H9N2 Avian Influenza Virus. Viruses 2021; 13:v13081606. [PMID: 34452473 PMCID: PMC8402907 DOI: 10.3390/v13081606] [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: 06/28/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 12/30/2022] Open
Abstract
H9N2 avian influenza virus (AIV) has become endemic in many countries, causing great economic losses when co-infected with other pathogens. So far, several live vaccines based on Newcastle disease virus (NDV) vectors expressing influenza hemagglutinin (HA) have been developed. However, the thermostable recombinant NDV is rarely reported. In this study, using a thermostable NDV rAHR09 strain as the vector, three recombinant NDVs expressing native HA, chimeric HA ectodomain with transmembrane domain/C-terminal cytoplasmic tail domain from fusion protein of NDV, and HA ectodomain were generated, designated rAHR09-HA, rAHR09-HAF, and rAHR09-HAE. The MDT value of three recombinant NDVs was above 120 h, their ICPI value was about 0.03, and the recombinant NDVs were still infectious when treated for 100 min under 56 °C, which demonstrated that the recombinant NDVs kept the lentogenic and thermostable nature of rAHR09. The immunization data showed that rAHR09-HA and rAHR09-HAF induced a higher HI antibody titer against H9N2 AIV and NDV. After being challenged with H9N2 AIV, the rAHR09-HA and rAHR09-HAF could significantly reduce the virus shedding in cloacal and tracheal swab samples. Our results suggest that rAHR09-HA and rAHR09-HAF might be vaccine candidates against H9N2 AIV.
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5
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Fakri FZ, Bamouh Z, Elmejdoub S, Elkarhat Z, Tadlaoui K, Chen W, Bu Z, Elharrak M. Long term immunity against Peste Des Petits Ruminants mediated by a recombinant Newcastle disease virus vaccine. Vet Microbiol 2021; 261:109201. [PMID: 34399299 DOI: 10.1016/j.vetmic.2021.109201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/03/2021] [Indexed: 11/18/2022]
Abstract
Peste des Petits Ruminants (PPR) is a highly contagious and often fatal disease of sheep and goats. Conventional live vaccines have been successfully used in endemic countries however, there are not completely safe and not allowing differentiation between vaccinated and infected animals (DIVA). In this study, a recombinant Newcastle disease virus (NDV) expressing the hemagglutinin of PPRV (NDV-PPRVH) was evaluated on small ruminants by serology response in sheep and goats, experimental infection in goats and immunity duration in sheep. The NDV-PPRVH vaccine injected twice at 28 days' interval, provided full protection against challenge with a virulent PPR strain in the most sensitive species and induced significant neutralizing antibodies. Immunological response in goats was slightly higher than sheep and the vaccine injected at 108.0 50 % egg infective dose/mL allowed anti-PPRV antibodies that lasted at least 12 months as shown by antibody response monitoring in sheep. The NDV vector presented a limited replication in the host and vaccinated animals remained negative when tested by cELISA based on PPRV nucleoprotein allowing DIVA. This recombinant vaccine appears to be a promising candidate in a free at risk countries and may be an important component of the global strategy for PPR eradication.
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Affiliation(s)
- F Z Fakri
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
| | - Z Bamouh
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
| | - S Elmejdoub
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
| | - Z Elkarhat
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
| | - K Tadlaoui
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
| | - W Chen
- Key Laboratory of Veterinary Public Health of Ministry of Agriculture and State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, 150001, China.
| | - Z Bu
- Key Laboratory of Veterinary Public Health of Ministry of Agriculture and State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, 150001, China.
| | - M Elharrak
- Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco.
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6
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Romanutti C, Keller L, Zanetti FA. Current status of virus-vectored vaccines against pathogens that affect poultry. Vaccine 2020; 38:6990-7001. [PMID: 32951939 DOI: 10.1016/j.vaccine.2020.09.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/12/2020] [Accepted: 09/02/2020] [Indexed: 01/04/2023]
Abstract
The most effective strategies for the control of disease in poultry are vaccination and biosecurity. Vaccines useful against pathogens affecting poultry must be safe, effective with a single dose, inexpensive, applicable by mass vaccination methods, and able to induce a protective immune response in the presence of maternal antibodies. Viral vector meet some of these characteristics and if the attenuated virus used as vector infects birds, the vaccine will have the advantage of being bivalent. Thus, viral vectors are currently a tool of choice for the development of new poultry vaccines. This review describes the main viruses used as vectors for the delivery and in vivo expression of antigens of poultry pathogens. It also presents the methodologies most frequently used to obtain recombinant viral vectors and summarizes the state-of-the-art related to vectored vaccines in poultry (some of them currently licensed), the pathogens targeted and their antigens, and the ability of these vaccines to induce an effective immune response. Finally, the review discusses the results of a few studies comparing recombinant viral vector vaccines and live-attenuated vaccines in vaccine matching challenges, and mentions strategies and future researches that can help to improve the efficacy of vectored vaccines in poultry birds.
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Affiliation(s)
- Carina Romanutti
- Centro de Virología Animal (CEVAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Leticia Keller
- Instituto de Ciencia y Tecnología "Dr. Cesar Milstein", CONICET, Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Flavia Adriana Zanetti
- Instituto de Ciencia y Tecnología "Dr. Cesar Milstein", CONICET, Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
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7
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Nath B, Vandna, Saini HM, Prasad M, Kumar S. Evaluation of Japanese encephalitis virus E and NS1 proteins immunogenicity using a recombinant Newcastle disease virus in mice. Vaccine 2020; 38:1860-1868. [PMID: 31955960 DOI: 10.1016/j.vaccine.2019.11.088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/19/2019] [Accepted: 11/25/2019] [Indexed: 01/04/2023]
Abstract
Japanese encephalitis (JE) is the most important cause of acute encephalitis syndrome (AES). Japanese encephalitis virus (JEV), the prototype member of the JE serocomplex, belongs to the genus Flavivirus. The immunogenic proteins envelope (E) and non-structural protein 1 (NS1) of JEV are widely explored for the development of vaccines and diagnostics against JEV. However, there are underlying concerns such as the risk of reversion of live-attenuated vaccines to high virulence, the incomplete inactivation of pathogens in inactivated vaccines and partial vaccine coverage. Newcastle disease virus (NDV) is an efficient viral vaccine vector to express several human and animal immunogenic proteins. In the present study, we have developed a recombinant NDV (rNDV), individually expressing the E and NS1 proteins of JEV (rNDV-Ejev and rNDV-NS1jev). The recovered rNDV-Ejev and rNDV-NS1jev were characterized in 9-day-old SPF embryonated chicken eggs and in cell culture. The vaccination of rNDV-Ejev and rNDV-NS1jev showed effective immunity against JEV upon intranasal immunization in BALB/c mice. The rNDVs vaccination produced effective neutralization antibody titers against both NDV and JEV. The cytokine profiling of the vaccinated mice showed an effective Th1 and Th2 mediated immune response. The study also provided an insight that E, when used in combination with NS1 could reduce the efficacy of only E based immunization in mice. Our results suggested rNDV-Ejev to be a promising live viral vectored vaccine against JEV. This study implies an alternative and economical strategy for the development of a recombinant vaccine against JEV.
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Affiliation(s)
- Barnali Nath
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Vandna
- Center for Medical Biotechnology, M.D. University, Rohtak 124001, Haryana, India
| | - Hari Mohan Saini
- Center for Medical Biotechnology, M.D. University, Rohtak 124001, Haryana, India
| | - Minakshi Prasad
- College of Veterinary Sciences, Lala Lajpat Rai University of Veterinary & Animal Sciences, Hisar 125004, Haryana, India
| | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
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8
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Xu L, Qin Z, Qiao L, Wen J, Shao H, Wen G, Pan Z. Characterization of thermostable Newcastle disease virus recombinants expressing the hemagglutinin of H5N1 avian influenza virus as bivalent vaccine candidates. Vaccine 2020; 38:1690-1699. [PMID: 31937412 DOI: 10.1016/j.vaccine.2019.12.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 12/20/2019] [Accepted: 12/22/2019] [Indexed: 01/11/2023]
Abstract
Newcastle disease virus (NDV) has been used as a vector in the development of vaccines and gene delivery. In the present study, we generated the thermostable recombinant NDV (rNDV) expressing the different forms of hemagglutinin (HA) of highly pathogenic avian influenza virus (HPAIV) H5N1 based on the full-length cDNA clone of thermostable TS09-C strain. The recombinant thermostable Newcastle disease viruses, rTS-HA, rTS-HA1 and rTS-tPAs/HA1, expressed the HA, HA1 or modified HA1 protein with the tissue plasminogen activator signal sequence (tPAs), respectively. The rNDVs displayed similar thermostability, growth kinetics and pathogenicity compared with the parental TS09-C virus. The tPAs facilitated the expression and secretion of HA1 protein in cells infected with rNDV. Animal studies demonstrated that immunization with rNDVs elicited effective H5N1- and NDV-specific antibody responses and conferred immune protection against lethal H5N1 and NDV challenges in chickens and mice. Importantly, vaccination of rTS-tPAs/HA1 resulted in enhanced protective immunity in chickens and mice. Our study thus provides a novel thermostable NDV-vectored vaccine candidate expressing a soluble form of a heterologous viral protein, which will greatly aid the poultry industry in developing countries.
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Affiliation(s)
- Lulai Xu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Zhenqiao Qin
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Lei Qiao
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Jie Wen
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Huabin Shao
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Guoyuan Wen
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.
| | - Zishu Pan
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China.
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Recombinant Newcastle Disease Virus (NDV) Expressing Sigma C Protein of Avian Reovirus (ARV) Protects against Both ARV and NDV in Chickens. Pathogens 2019; 8:pathogens8030145. [PMID: 31510020 PMCID: PMC6789743 DOI: 10.3390/pathogens8030145] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/25/2019] [Accepted: 09/06/2019] [Indexed: 12/20/2022] Open
Abstract
Newcastle disease (ND) and avian reovirus (ARV) infections are a serious threat to the poultry industry, which causes heavy economic losses. The mesogenic NDV strain R2B is commonly used as a booster vaccine in many Asian countries to control the disease. In this seminal work, a recombinant NDV strain R2B expressing the sigma C (σC) gene of ARV (rNDV-R2B-σC) was generated by reverse genetics, characterized in vitro and tested as a bivalent vaccine candidate in chickens. The recombinant rNDV-R2B-σC virus was attenuated as compared to the parent rNDV-R2B virus as revealed by standard pathogenicity assays. The generated vaccine candidate, rNDV-R2B-σC, could induce both humoral and cell mediated immune responses in birds and gave complete protection against virulent NDV and ARV challenges. Post-challenge virus shedding analysis revealed a drastic reduction in NDV shed, as compared to unvaccinated birds.
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10
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Newcastle Disease Virus-Based Vectored Vaccine against Poliomyelitis. J Virol 2018; 92:JVI.00976-18. [PMID: 29925653 DOI: 10.1128/jvi.00976-18] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 06/06/2018] [Indexed: 12/28/2022] Open
Abstract
The poliovirus eradication initiative has spawned global immunization infrastructure and dramatically decreased the prevalence of the disease, yet the original virus eradication goal has not been met. The suboptimal properties of the existing vaccines are among the major reasons why the program has repeatedly missed eradication deadlines. Oral live poliovirus vaccine (OPV), while affordable and effective, occasionally causes the disease in the primary recipients, and the attenuated viruses rapidly regain virulence and can cause poliomyelitis outbreaks. Inactivated poliovirus vaccine (IPV) is safe but expensive and does not induce the mucosal immunity necessary to interrupt virus transmission. While the need for a better vaccine is widely recognized, current efforts are focused largely on improvements to the OPV or IPV, which are still beset by the fundamental drawbacks of the original products. Here we demonstrate a different design of an antipoliovirus vaccine based on in situ production of virus-like particles (VLPs). The poliovirus capsid protein precursor, together with a protease required for its processing, are expressed from a Newcastle disease virus (NDV) vector, a negative-strand RNA virus with mucosal tropism. In this system, poliovirus VLPs are produced in the cells of vaccine recipients and are presented to their immune systems in the context of active replication of NDV, which serves as a natural adjuvant. Intranasal administration of the vectored vaccine to guinea pigs induced strong neutralizing systemic and mucosal antibody responses. Thus, the vectored poliovirus vaccine combines the affordability and efficiency of a live vaccine with absolute safety, since no full-length poliovirus genome is present at any stage of the vaccine life cycle.IMPORTANCE A new, safe, and effective vaccine against poliovirus is urgently needed not only to complete the eradication of the virus but also to be used in the future to prevent possible virus reemergence in a postpolio world. Currently, new formulations of the oral vaccine, as well as improvements to the inactivated vaccine, are being explored. In this study, we designed a viral vector with mucosal tropism that expresses poliovirus capsid proteins. Thus, poliovirus VLPs are produced in vivo, in the cells of a vaccine recipient, and are presented to the immune system in the context of vector virus replication, stimulating the development of systemic and mucosal immune responses. Such an approach allows the development of an affordable and safe vaccine that does not rely on the full-length poliovirus genome at any stage.
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11
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Hu H, Roth JP, Yu Q. Generation of a recombinant Newcastle disease virus expressing two foreign genes for use as a multivalent vaccine and gene therapy vector. Vaccine 2018; 36:4846-4850. [PMID: 30037477 DOI: 10.1016/j.vaccine.2018.06.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 06/20/2018] [Accepted: 06/23/2018] [Indexed: 11/29/2022]
Abstract
Newcastle disease virus (NDV) has been used as a vector in the development of vaccines and gene therapy. A majority of these NDV vectors express only a single foreign gene through either an independent transcription unit (ITU) or an internal ribosomal entry site (IRES). In the present study, we combined the ITU and IRES methods to generate a novel NDV LaSota strain-based recombinant virus vectoring the red fluorescence protein (RFP) and the green fluorescence protein (GFP) genes. Biological assessments of the recombinant virus, rLS/IRES-RFP/GFP, showed that it was slightly attenuated in vivo, yet maintained similar growth dynamics and viral yields in vitro when compared to the parental LaSota virus. Expression of both the RFP and GFP was detected from the rLS/IRES-RFP/GFP virus-infected DF-1 cells by fluorescence microscopy. These data suggest that the rLS/IRES-RFP/GFP virus may be used as a multivalent vector for the development of vaccines and gene therapy agents.
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Affiliation(s)
- Haixia Hu
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China; Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Jason P Roth
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA.
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12
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Sun M, Dong J, Li L, Lin Q, Sun J, Liu Z, Shen H, Zhang J, Ren T, Zhang C. Recombinant Newcastle disease virus (NDV) expressing Duck Tembusu virus (DTMUV) pre-membrane and envelope proteins protects ducks against DTMUV and NDV challenge. Vet Microbiol 2018; 218:60-69. [PMID: 29685222 PMCID: PMC7117350 DOI: 10.1016/j.vetmic.2018.03.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/23/2018] [Accepted: 03/27/2018] [Indexed: 12/17/2022]
Abstract
Firstly generated a NDV-vectored Duck Tembusu Virus (DTMUV) bivalent vaccine that expressing the pre-membrane and envelope proteins of DTMUV. Evaluated the efficacy of the NDV-vectored Duck Tembusu Virus bivalent vaccine. Provided a new method for NDV and DTMUV controlling in waterfowl.
The newly emerged Duck Tembusu virus (DTMUV) is responsible for considerable economic loss in waterfowl-raising areas in China since 2010. Meanwhile, the virulent Newcastle disease virus (NDV) has also caused sporadic outbreaks in waterfowl. The individual vaccines against both diseases are available, however, there is no bivalent or combined vaccine for either disease. Here, we constructed a recombinant NDV-vectored vaccine candidate that expresses the pre-membrane (prM) and envelope (E) genes from DTMUV, designated as aGM/prM + E. The foreign prM and E proteins were stably expressed in aGM/prM + E and exhibited similar pathogenicity but higher growth kinetics than those of the parental virus. The aGM/prM + E carries a fusion cleavage site in accordance with avirulent viruses that have been frequently isolated from waterfowl, and induced remarkably (p < 0.001) higher NDV-specific hemagglutination inhibition (HI) titers than commercially available live NDV vaccines (LaSota strain). The aGM/prM + E also elicited significantly higher (p < 0.05) virus neutralization (VN) titers than commercially available DTMUV inactivated vaccines (HB strain). The aGM/prM + E not only provided complete protection against NDV challenge but also reduced the gross lesions on ovarian folliculi and provided 80% protection against DTMUV in ducks. We note that the aGM/prM + E vaccine can prevent challenged ducks from shedding of NDV and DTMUV. Our results suggest that the candidate vaccine aGM/prM + E would help decrease NDV and DTMUV transmissions in waterfowl raising areas in China.
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Affiliation(s)
- Minhua Sun
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Jiawen Dong
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Linlin Li
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Qiuyan Lin
- College of Veterinary Medicine, South China Agricultural University, 483 Wushan Road, Guangzhou, Guangdong, China
| | - Junying Sun
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Zhicheng Liu
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Haiyan Shen
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Jianfeng Zhang
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China
| | - Tao Ren
- College of Veterinary Medicine, South China Agricultural University, 483 Wushan Road, Guangzhou, Guangdong, China.
| | - Chunhong Zhang
- Guangdong Provincial Key Laboratory of Livestock Disease Prevention; Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture; Guangdong Open Laboratory of Veterinary Public Health, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Baishigang Road, Guangzhou, Guangdong, China.
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13
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Kumar R, Kumar V, Kumar S. Production of recombinant Erns protein of classical swine fever virus and assessment of its enzymatic activity: A recombinant Newcastle disease virus-based approach. Process Biochem 2018. [DOI: 10.1016/j.procbio.2017.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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14
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Choi KS. Newcastle disease virus vectored vaccines as bivalent or antigen delivery vaccines. Clin Exp Vaccine Res 2017; 6:72-82. [PMID: 28775971 PMCID: PMC5540967 DOI: 10.7774/cevr.2017.6.2.72] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 04/27/2017] [Accepted: 05/10/2017] [Indexed: 01/03/2023] Open
Abstract
Recent advances in reverse genetics techniques make it possible to manipulate the genome of RNA viruses such as Newcastle disease virus (NDV). Several NDV vaccine strains have been used as vaccine vectors in poultry, mammals, and humans to express antigens of different pathogens. The safety, immunogenicity, and protective efficacy of these NDV-vectored vaccines have been evaluated in pre-clinical and clinical studies. The vaccines are safe in mammals, humans, and poultry. Bivalent NDV-vectored vaccines against pathogens of economic importance to the poultry industry have been developed. These bivalent vaccines confer solid protective immunity against NDV and other foreign antigens. In most cases, NDV-vectored vaccines induce strong local and systemic immune responses against the target foreign antigen. This review summarizes the development of NDV-vectored vaccines and their potential use as a base for designing other effective vaccines for veterinary and human use.
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Affiliation(s)
- Kang-Seuk Choi
- OIE Reference Laboratory for Newcastle Disease, Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon, Korea
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15
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Omony JB, Wanyana A, Kirunda H, Mugimba KK, Nakavuma JL, Otim-Onapa M, Byarugaba DK. Immunogenicity and protection efficacy evaluation of avian paramyxovirus serotype-1 (APMV-1) isolates in experimentally infected chickens. Avian Pathol 2017; 46:386-395. [PMID: 28277776 DOI: 10.1080/03079457.2017.1290786] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Vaccine failures after Newcastle disease vaccination with the current commercial vaccines have been reported and are associated with many factors, including genotypic and antigenic differences between vaccine and outbreak strains, although all APMV-1 members belong to one serotype. We assessed the immunoprotection ability of four thermostable, low-virulent Newcastle disease-virus isolates from Ugandan waterfowl against challenge with a virulent strain (MDT = 36.8 h, ICPI = 1.78) isolated from morbid chicken. Six-week-old commercial Leghorn layers, challenged at 21 days post immunization were used. Four isolates designated: NDV-133/UG/MU/2011, NDV-177/UG/MU/2011, NDV-178/UG/MU/2011 and NDV-173/UG/MU/2011 induced mean haemagglutinin inhibition antibody titres of log2 9.3, 8.2, 6.3 and 2.0, respectively, at 21 days post immunization. The antibody titres correlated with the protection rates (R² = 0.86, p < 0.007) of 60%, 50%, 20% and 0% of birds, respectively, against challenge at 14 days post challenge. Further evaluation of these and more low-virulent isolates might provide an alternative to the current commercial vaccine failures.
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Affiliation(s)
- John Bosco Omony
- a College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University , Kampala , Uganda.,b Uganda Industrial Research Institute (UIRI) , Kampala , Uganda
| | - Agnes Wanyana
- a College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University , Kampala , Uganda
| | - Halid Kirunda
- c Mbarara Zonal Agricultural Research and Development Institute (MBAZARDI), National Agricultural Research Organization (NARO) , Mbarara , Uganda
| | - Kizito Kahooza Mugimba
- a College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University , Kampala , Uganda
| | - Jessica Lukanga Nakavuma
- a College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University , Kampala , Uganda
| | - Maxwell Otim-Onapa
- d Uganda National Council for Science and Technology (UNCST) , Kampala , Uganda
| | - Denis Karuhize Byarugaba
- a College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University , Kampala , Uganda
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16
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Molouki A, Peeters B. Rescue of recombinant Newcastle disease virus: a short history of how it all started. Arch Virol 2017; 162:1845-1854. [PMID: 28316014 DOI: 10.1007/s00705-017-3308-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 02/16/2017] [Indexed: 01/24/2023]
Abstract
Reverse genetics of viruses has come a long way, and many recombinant viruses have been generated since the first successful "rescues" were reported in the late 1970s. Recombinant Newcastle disease virus (rNDV), a non-segmented negative-sense RNA virus (NSNSV), was first rescued in 1999 using a reverse genetics approach similar to that reported for other recombinant viruses of the order Mononegavirales a few years before. The route from an original NDV isolate to the generation of its recombinant counterpart requires many steps that have to be sequentially and carefully completed. Background knowledge of each of these steps is essential because it allows one to make the best choices for fulfilling the specific requirements of the final recombinant virus. We have previously reviewed the latest strategies in cloning the NDV full-length cDNA into transcription vectors and the use of different RNA polymerase systems for the generation of viral RNA from plasmid DNA. In this article, we review a number of discoveries on the mechanism of transcription and replication of NDV, including a brief history behind the discovery of its RNP complex. This includes the generation of artificial and functional RNP constructs, in combination with the smart use of available knowledge and technologies that ultimately resulted in rescue of the first rNDV.
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Affiliation(s)
- Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
| | - Ben Peeters
- Department of Virology, Wageningen Bioveterinary Research, PO Box 65, 8200 AB, Lelystad, The Netherlands
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17
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Zhao W, Spatz S, Zsak L, Yu Q. Generation of Newcastle Disease Virus (NDV) Recombinants Expressing the Infectious Laryngotracheitis Virus (ILTV) Glycoprotein gB or gD as Dual Vaccines. Methods Mol Biol 2016; 1404:89-101. [PMID: 27076292 DOI: 10.1007/978-1-4939-3389-1_6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Infectious laryngotracheitis (ILT) is a highly contagious acute respiratory disease of chickens caused by infection with infectious laryngotracheitis virus (ILTV), a member of the family Herpesviridae. The current commercial ILT vaccines are either unsafe or ineffective. Therefore, there is a pressing need to develop safer and more efficacious vaccines. Newcastle disease (ND), caused by infection with Newcastle disease virus (NDV), a member of the family Paramyxoviridae, is one of the most serious infectious diseases of poultry. The NDV LaSota strain, a naturally occurring low-virulence NDV strain, has been routinely used as a live vaccine throughout the world. This chapter describes the generation of Newcastle disease virus (NDV) LaSota vaccine strain-based recombinant viruses expressing glycoprotein B (gB) or glycoprotein D (gD) of ILTV as dual vaccines against ND and ILT using reverse genetics technology.
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Affiliation(s)
- Wei Zhao
- United States Department of Agriculture, US National Poultry Research Center, Agricultural Research Service, 934 College Station Road, Athens, GA, 30605, USA.,Beijing Centre for Disease Control and Prevention, Beijing, 100013, China
| | - Stephen Spatz
- United States Department of Agriculture, US National Poultry Research Center, Agricultural Research Service, 934 College Station Road, Athens, GA, 30605, USA
| | - Laszlo Zsak
- United States Department of Agriculture, US National Poultry Research Center, Agricultural Research Service, 934 College Station Road, Athens, GA, 30605, USA
| | - Qingzhong Yu
- United States Department of Agriculture, US National Poultry Research Center, Agricultural Research Service, 934 College Station Road, Athens, GA, 30605, USA.
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18
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Molouki A, Peeters B. Rescue of recombinant Newcastle disease virus: current cloning strategies and RNA polymerase provision systems. Arch Virol 2016; 162:1-12. [PMID: 27695950 DOI: 10.1007/s00705-016-3065-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 09/12/2016] [Indexed: 01/08/2023]
Abstract
Since the first rescue of a recombinant Newcastle disease virus (rNDV) in the late 1990s, many more rNDVs have been rescued by researchers around the world. Regardless of methodology, the main principle behind rescue of the virus has remained the same, i.e., the formation of a functional replication complex by simultaneously providing the full-length viral RNA and the viral NP, P and L proteins. However, different strategies have been reported for the insertion of the full-length genome into a suitable transcription vector, which remains the most challenging step of the rescue. Moreover, several systems have been published for provision of the DNA-dependent RNA polymerase, which is needed for transcription of viral RNA (vRNA) from the transfected plasmid DNA. The aim of this article is to consolidate all of the current cDNA assembly strategies and transcription systems used in rescue of rNDV in order to attain a better understanding of the advantages and disadvantages of each approach.
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Affiliation(s)
- Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Karaj, Iran. .,Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Ben Peeters
- Department of Virology, Wageningen Bioveterinary Research, PO Box 65, 8200 AB, Lelystad, The Netherlands
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19
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Omony JB, Wanyana A, Mugimba KK, Kirunda H, Nakavuma JL, Otim-Onapa M, Byarugaba DK. Disparate thermostability profiles and HN gene domains of field isolates of Newcastle disease virus from live bird markets and waterfowl in Uganda. Virol J 2016; 13:103. [PMID: 27329265 PMCID: PMC4915153 DOI: 10.1186/s12985-016-0560-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 06/10/2016] [Indexed: 11/10/2022] Open
Abstract
Background Uganda poultry production is still faced with frequent outbreaks of Newcastle disease (ND) in the backyard free-range systems despite the accessibility of cross protective vaccines. Live bird markets and waterfowl has long been reported as a major source of disease spread as well as potential sources of avirulent strains that may mutate to virulent strains. ND-virus has been reported enzootic in Ugandan poultry but limited studies have been conducted to ascertain thermostability phenotypes of the Ugandan ND-virus strains and to understand how these relate to vaccine strains. Methods This study evaluated thermostability of 168 ND-virus field isolates recovered from live bird markets and waterfowls in Uganda compared to two live commercial vaccine strains (I2 and LaSota) by standard thermostability procedures and Hemagglutinin-Neuraminidase (HN) gene domains. The known pathotypes with thermostability profiles were compared at HN amino acid sequences. Results Field isolates displayed disparate heat stability and HN gene domains. Thermolabile isolates were inactivated within 15 min, while the most thermostable isolates were inactivated in 120 min. Four thermostable isolates had more than 2 log2 heamaglutinin (HA) titers during heat treatment and the infectivity of 9.8 geometric mean of log10 EID50 % in embryonated eggs. One isolate from this study exhibited a comparable thermostability and stable infectivity titers after serial passages, to that of reference commercial vaccine was recommended for immunogenicity and protection studies. Conclusion The occurrence of ND-virus strains in waterfowl and live bird markets with disparate thermostability and varying HN gene domains indicate circulation of different thermostable and thermolabile ND-virus pathotypes in the country.
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Affiliation(s)
- John Bosco Omony
- College of Veterinary Medicine, Makerere University, P.O. Box 7062, Kampala, Uganda.,Uganda Industrial Research Institute (UIRI), P.O. Box 7086, Kampala, Uganda
| | - Agnes Wanyana
- College of Veterinary Medicine, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Kizito K Mugimba
- College of Veterinary Medicine, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Halid Kirunda
- Mbarara Zonal Agricultural Research and Development Institute (MBAZARDI), National Agricultural Research Organisation (NARO), P.O. Box 389,, Mbarara, Uganda
| | | | - Maxwell Otim-Onapa
- Uganda National Council of Science & Technology (UNCST), P.O. Box 6884, Kampala, Uganda
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20
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Shittu I, Zhu Z, Lu Y, Hutcheson JM, Stice SL, West FD, Donadeu M, Dungu B, Fadly AM, Zavala G, Ferguson-Noel N, Afonso CL. Development, characterization and optimization of a new suspension chicken-induced pluripotent cell line for the production of Newcastle disease vaccine. Biologicals 2015; 44:24-32. [PMID: 26586283 DOI: 10.1016/j.biologicals.2015.09.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 08/11/2015] [Accepted: 09/15/2015] [Indexed: 01/12/2023] Open
Abstract
Traditionally, substrates for production of viral poultry vaccines have been embryonated eggs or adherent primary cell cultures. The difficulties and cost involved in scaling up these substrates in cases of increased demand have been a limitation for vaccine production. Here, we assess the ability of a newly developed chicken-induced pluripotent cell line, BA3, to support replication and growth of Newcastle disease virus (NDV) LaSota vaccine strain. The characteristics and growth profile of the cells were also investigated. BA3 cells could grow in suspension in different media to a high density of up to 7.0 × 10(6) cells/mL and showed rapid proliferation with doubling time of 21 h. Upon infection, a high virus titer of 1.02 × 10(8) EID50/mL was obtained at 24 h post infection using a multiplicity of infection (MOI) of 5. In addition, the cell line was shown to be free of endogenous and exogenous Avian Leukosis viruses, Reticuloendotheliosis virus, Fowl Adenovirus, Marek's disease virus, and several Mycoplasma species. In conclusion, BA3 cell line is potentially an excellent candidate for vaccine production due to its highly desirable industrially friendly characteristics of growing to high cell density and capability of growth in serum free medium.
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Affiliation(s)
- Ismaila Shittu
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, Athens, GA 30605, USA
| | - Ziying Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, Guangxi, China; Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA; Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Yangqing Lu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, Guangxi, China; Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA; Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Jessica M Hutcheson
- Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA; Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Steven L Stice
- Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA; Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Franklin D West
- Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA; Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | | | | | - Aly M Fadly
- Avian Disease and Oncology Laboratory, U.S. Department of Agriculture, Agricultural Research Service, 4279 East Mount Hope Road, East Lansing, MI 48823, USA
| | - Guillermo Zavala
- Poultry Diagnostic and Research Center, Department of Population Health, University of Georgia, Athens, GA 30602, USA
| | - Naola Ferguson-Noel
- Poultry Diagnostic and Research Center, Department of Population Health, University of Georgia, Athens, GA 30602, USA
| | - Claudio L Afonso
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, Athens, GA 30605, USA.
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21
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Duan Z, Xu H, Ji X, Zhao J. Recombinant Newcastle disease virus-vectored vaccines against human and animal infectious diseases. Future Microbiol 2015; 10:1307-23. [PMID: 26234909 DOI: 10.2217/fmb.15.59] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Recent advances in recombinant genetic engineering techniques have brought forward a leap in designing new vaccines in modern medicine. One attractive strategy is the application of reverse genetics technology to make recombinant Newcastle disease virus (rNDV) deliver protective antigens of pathogens. In recent years, numerous studies have demonstrated that rNDV-vectored vaccines can induce quicker and better humoral and mucosal immune responses than conventional vaccines and are protective against pathogen challenges. With deeper understanding of NDV molecular biology, it is feasible to develop gene-modified rNDV vaccines accompanied by good safety, high efficacy, low toxicity and better immunogenicity. This review summarizes the development of reverse genetics technology in using NDV as a promising vaccine vector to design new vaccines for human and animal use.
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Affiliation(s)
- Zhiqiang Duan
- College of Animal Science, Guizhou University, Guiyang 550025, Guizhou, China.,Key Laboratory of Animal Genetics, Breeding & Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou, China
| | - Houqiang Xu
- College of Animal Science, Guizhou University, Guiyang 550025, Guizhou, China.,Key Laboratory of Animal Genetics, Breeding & Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou, China
| | - Xinqin Ji
- College of Animal Science, Guizhou University, Guiyang 550025, Guizhou, China
| | - Jiafu Zhao
- College of Animal Science, Guizhou University, Guiyang 550025, Guizhou, China.,Key Laboratory of Animal Genetics, Breeding & Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou, China
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22
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Bitrus Y, Andrew JN, Owolodun OA, Luka PD, Umaru DA. The reoccurrence of H5N1 outbreaks necessitates the development of safe and effective influenza vaccine technologies for the prevention and control of avian influenza in Sub-Saharan Africa. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/bmbr2015.0246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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23
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Gogoi P, Ganar K, Kumar S. Avian Paramyxovirus: A Brief Review. Transbound Emerg Dis 2015; 64:53-67. [DOI: 10.1111/tbed.12355] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Indexed: 12/01/2022]
Affiliation(s)
- P. Gogoi
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
| | - K. Ganar
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
| | - S. Kumar
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
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24
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Wang J, Cong Y, Yin R, Feng N, Yang S, Xia X, Xiao Y, Wang W, Liu X, Hu S, Ding C, Yu S, Wang C, Ding Z. Generation and evaluation of a recombinant genotype VII Newcastle disease virus expressing VP3 protein of Goose parvovirus as a bivalent vaccine in goslings. Virus Res 2015; 203:77-83. [PMID: 25882914 PMCID: PMC7114436 DOI: 10.1016/j.virusres.2015.04.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 03/11/2015] [Accepted: 04/03/2015] [Indexed: 12/01/2022]
Abstract
Newcastle disease virus (NDV) and Goose parvovirus (GPV) are considered to be two of the most important and widespread viruses infecting geese. In this study, we generated a recombinant rmNA-VP3, expressing GPV VP3 using a modified goose-origin NDV NA-1 by changing the multi-basic cleavage site motif RRQKR↓F of the F protein to the dibasic motif GRQGR↓L as that of the avirulent strain LaSota as a vaccine vector. Expression of the VP3 protein in rmNA-VP3 infected cells was detected by immunofluorescence and Western blot assay. The genetic stability was examined by serially passaging 10 times in 10-day-old embryonated SPF chicken eggs. Goslings were inoculated with rmNA-VP3 showed no apparent signs of disease and developed a strong GPV and NDV neutralizing antibodies response. This is the first study demonstrating that recombinant NDV has the potential to serve as bivalent live vaccine against Goose parvovirus and Newcastle disease virus infection in birds.
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Affiliation(s)
- Jianzhong Wang
- Laboratory of Infectious Diseases, College of Veterinary Medicine, Jilin University, Changchun 130062, China; Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun 130062, China
| | - Yanlong Cong
- Laboratory of Infectious Diseases, College of Veterinary Medicine, Jilin University, Changchun 130062, China; Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun 130062, China
| | - Renfu Yin
- Laboratory of Infectious Diseases, College of Veterinary Medicine, Jilin University, Changchun 130062, China; Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun 130062, China
| | - Na Feng
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, China
| | - Songtao Yang
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, China
| | - Xianzhu Xia
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, China
| | - Yueqiang Xiao
- Shandong Binzhou Animal Science and Veterinary Medicine Institute, Binzhou 256600, China
| | - Wenxiu Wang
- Shandong Binzhou Animal Science and Veterinary Medicine Institute, Binzhou 256600, China
| | - Xiufan Liu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Shunlin Hu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Chan Ding
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Shengqing Yu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Chunfeng Wang
- Engineering Research Center of Jilin Province for Animals Probiotics, College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China.
| | - Zhuang Ding
- Laboratory of Infectious Diseases, College of Veterinary Medicine, Jilin University, Changchun 130062, China; Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun 130062, China.
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25
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Zhao W, Zhang Z, Zsak L, Yu Q. P and M gene junction is the optimal insertion site in Newcastle disease virus vaccine vector for foreign gene expression. J Gen Virol 2014; 96:40-45. [PMID: 25274858 DOI: 10.1099/vir.0.068437-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Newcastle disease virus (NDV) has been developed as a vector for vaccine and gene therapy purposes. However, the optimal insertion site for foreign gene expression remained to be determined. In the present study, we inserted the green fluorescence protein (GFP) gene into five different intergenic regions of the enterotropic NDV VG/GA vaccine strain using reverse genetics technology. The rescued recombinant viruses retained lentogenic pathotype and displayed delayed growth dynamics, particularly when the GFP gene was inserted between the NP and P genes of the virus. The GFP mRNA level was most abundant when the gene was inserted closer to the 3' end and gradually decreased as the gene was inserted closer to the 5' end. Measurement of the GFP fluorescence intensity in recombinant virus-infected cells demonstrated that the non-coding region between the P and M genes is the optimal insertion site for foreign gene expression in the VG/GA vaccine vector.
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Affiliation(s)
- Wei Zhao
- Beijing Centre for Disease Control and Prevention, Beijing 100013, PR China.,Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Zhenyu Zhang
- College of Life Sciences, Northeast Agricultural University, Harbin, Heilongjiang 150030, PR China.,Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Laszlo Zsak
- Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
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26
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Virus-vectored influenza virus vaccines. Viruses 2014; 6:3055-79. [PMID: 25105278 PMCID: PMC4147686 DOI: 10.3390/v6083055] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 07/28/2014] [Accepted: 07/29/2014] [Indexed: 12/16/2022] Open
Abstract
Despite the availability of an inactivated vaccine that has been licensed for >50 years, the influenza virus continues to cause morbidity and mortality worldwide. Constant evolution of circulating influenza virus strains and the emergence of new strains diminishes the effectiveness of annual vaccines that rely on a match with circulating influenza strains. Thus, there is a continued need for new, efficacious vaccines conferring cross-clade protection to avoid the need for biannual reformulation of seasonal influenza vaccines. Recombinant virus-vectored vaccines are an appealing alternative to classical inactivated vaccines because virus vectors enable native expression of influenza antigens, even from virulent influenza viruses, while expressed in the context of the vector that can improve immunogenicity. In addition, a vectored vaccine often enables delivery of the vaccine to sites of inductive immunity such as the respiratory tract enabling protection from influenza virus infection. Moreover, the ability to readily manipulate virus vectors to produce novel influenza vaccines may provide the quickest path toward a universal vaccine protecting against all influenza viruses. This review will discuss experimental virus-vectored vaccines for use in humans, comparing them to licensed vaccines and the hurdles faced for licensure of these next-generation influenza virus vaccines.
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Zhao W, Spatz S, Zhang Z, Wen G, Garcia M, Zsak L, Yu Q. Newcastle disease virus (NDV) recombinants expressing infectious laryngotracheitis virus (ILTV) glycoproteins gB and gD protect chickens against ILTV and NDV challenges. J Virol 2014; 88:8397-406. [PMID: 24829337 PMCID: PMC4135966 DOI: 10.1128/jvi.01321-14] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 05/07/2014] [Indexed: 12/18/2022] Open
Abstract
UNLABELLED Infectious laryngotracheitis (ILT) is a highly contagious acute respiratory disease of chickens caused by infectious laryngotracheitis virus (ILTV). The disease is controlled mainly through biosecurity and vaccination with live attenuated strains of ILTV and vectored vaccines based on turkey herpesvirus (HVT) and fowlpox virus (FPV). The current live attenuated vaccines (chicken embryo origin [CEO] and tissue culture origin [TCO]), although effective, can regain virulence, whereas HVT- and FPV-vectored ILTV vaccines are less efficacious than live attenuated vaccines. Therefore, there is a pressing need to develop safer and more efficacious ILTV vaccines. In the present study, we generated Newcastle disease virus (NDV) recombinants, based on the LaSota vaccine strain, expressing glycoproteins B (gB) and D (gD) of ILTV using reverse genetics technology. These recombinant viruses, rLS/ILTV-gB and rLS/ILTV-gD, were slightly attenuated in vivo yet retained growth dynamics, stability, and virus titers in vitro that were similar to those of the parental LaSota virus. Expression of ILTV gB and gD proteins in the recombinant virus-infected cells was detected by immunofluorescence assay. Vaccination of specific-pathogen-free chickens with these recombinant viruses conferred significant protection against virulent ILTV and velogenic NDV challenges. Immunization of commercial broilers with rLS/ILTV-gB provided a level of protection against clinical disease similar to that provided by the live attenuated commercial vaccines, with no decrease in body weight gains. The results of the study suggested that the rLS/ILTV-gB and -gD viruses are safe, stable, and effective bivalent vaccines that can be mass administered via aerosol or drinking water to large chicken populations. IMPORTANCE This paper describes the development and evaluation of novel bivalent vaccines against chicken infectious laryngotracheitis (ILT) and Newcastle disease (ND), two of the most economically important infectious diseases of poultry. The current commercial ILT vaccines are either not safe or less effective. Therefore, there is a pressing need to develop safer and more efficacious ILT vaccines. In the present study, we generated Newcastle disease virus (NDV) recombinants expressing glycoproteins B (gB) and D (gD) of infectious laryngotracheitis virus (ILTV) using reverse genetics technology. These recombinant viruses were safe, stable, and immunogenic and replicated efficiently in birds. Vaccination of chickens with these recombinant viruses conferred complete protection against ILTV and NDV challenge. These novel bivalent vaccines can be mass administered via aerosol or drinking water to large chicken populations at low cost, which will have a direct impact on poultry health, fitness, and performance.
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Affiliation(s)
- Wei Zhao
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Stephen Spatz
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Zhenyu Zhang
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Guoyuan Wen
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Maricarmen Garcia
- Poultry Diagnostic and Research Center, Department of Population Health, College of Veterinary Medicine, The University of Georgia, Athens, Georgia, USA
| | - Laszlo Zsak
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
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Toro H, Zhao W, Breedlove C, Zhang Z, Yu Q, Van Santen V. Infectious bronchitis virus S2 expressed from recombinant virus confers broad protection against challenge. Avian Dis 2014; 58:83-9. [PMID: 24758118 DOI: 10.1637/10641-081613-reg.1] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We developed a recombinant Newcastle disease virus (NDV) LaSota (rLS) expressing the infectious bronchitis virus (IBV) S2 gene (rLS/IBV.S2). The recombinant virus showed somewhat-reduced pathogenicity compared to the parental lentogenic LaSota strain but effectively elicited hemagglutination inhibition antibodies against NDV and protected chickens against lethal challenge with virulent NDV/CA02. IBV heterotypic protection was assessed using a prime-boost approach with a commercially available attenuated IBV Massachusetts (Mass)-type vaccine. Specific-pathogen-free chickens primed ocularly with rLS/IBV.S2 at 4 days of age and boosted with Mass at 18 days of age were completely protected against challenge at 41 days of age with a virulent Ark-type strain. In a second experiment, we compared protection conferred by priming with rLS/IBV.S2 and boosting with Mass (rLS/IBV.S2+Mass) versus priming and boosting with Mass (Mass+Mass). We also modified the timing of vaccination to prime at 1 day of age and boost at 12 days of age. Challenge with virulent Ark was performed at 21 days of age. Based on clinical signs, both vaccinated groups appeared equally protected against challenge compared to unvaccinated challenged chickens. Viral loads in lachrymal fluids of birds receiving rLS/IBV.S2+Mass showed a clear tendency of improved protection compared to Mass+Mass; however, the difference did not achieve statistical significance. A significant difference (P < 0.05) was determined between these groups regarding incidence of detection of challenge IBV RNA in the trachea; viral RNA was detected in 50% of rLS/IBV.S2+Mass-vaccinated chickens while chickens vaccinated with Mass+Mass and unvaccinated challenged controls showed 84 and 90% incidence of IBV RNA detection in the trachea, respectively. These results demonstrate that overexposing the IBV S2 to the chicken immune system by means of a vectored vaccine, followed by boost with whole virus, protects chickens against IBV showing dissimilar S1.
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Newcastle disease virus: current status and our understanding. Virus Res 2014; 184:71-81. [PMID: 24589707 PMCID: PMC7127793 DOI: 10.1016/j.virusres.2014.02.016] [Citation(s) in RCA: 229] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 02/17/2014] [Accepted: 02/19/2014] [Indexed: 01/23/2023]
Abstract
Newcastle disease (ND) is one of the highly pathogenic viral diseases of avian species. ND is economically significant because of the huge mortality and morbidity associated with it. The disease is endemic in many third world countries where agriculture serves as the primary source of national income. Newcastle disease virus (NDV) belongs to the family Paramyxoviridae and is well characterized member among the avian paramyxovirus serotypes. In recent years, NDV has lured the virologists not only because of its pathogenic potential, but also for its oncolytic activity and its use as a vaccine vector for both humans and animals. The NDV based recombinant vaccine offers a pertinent choice for the construction of live attenuated vaccine due to its modular nature of transcription, minimum recombination frequency, and lack of DNA phase during replication. Our current understanding about the NDV biology is expanding rapidly because of the availability of modern molecular biology tools and high-throughput complete genome sequencing.
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30
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Ferreira HL, Rauw F, Pirlot JF, Reynard F, van den Berg T, Bublot M, Lambrecht B. Comparison of single 1-day-old chick vaccination using a Newcastle disease virus vector with a prime/boost vaccination scheme against a highly pathogenic avian influenza H5N1 challenge. Avian Pathol 2014; 43:68-77. [PMID: 24320551 DOI: 10.1080/03079457.2013.873111] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Avian influenza (AI) vaccines should be used as part of a whole comprehensive AI control programme. Vectored vaccines based on Newcastle disease virus (NDV) are very promising, but are so far licensed in only a few countries. In the present study, the immunogenicity and protection against a highly pathogenic H5N1 influenza challenge were evaluated after vaccination with an enterotropic NDV vector expressing an H5 haemagglutinin (rNDV-H5) in 1-day-old specific pathogen free chickens inoculated once, twice or once followed by a heterologous boost with an inactivated H5N9 vaccine (iH5N9). The heterologous prime/boost rNDV-H5/iH5N9 combination afforded the best level of protection against the H5N1 challenge performed at 6 weeks of age. Two rNDV-H5 administrations conferred a good level of protection after challenge, although only a cellular H5-specific response could be detected. Interestingly, a single administration of rNDV-H5 gave the same level of protection as the double administration but without any detectable H5-specific immune response. In contrast to AI immunity, a high humoral, mucosal and cellular NDV-specific immunity could be detected up to 6 weeks post vaccination after using the three different vaccination schedules. NDV-specific mucosal and cellular immune responses were slightly higher after double rNDV-H5 vaccination when compared with single inoculation. Finally, the heterologous prime/boost rNDV-H5/iH5N9 combination induced a broader detectable immunity including systemic, mucosal and cellular AI and NDV-specific responses.
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Affiliation(s)
- Helena Lage Ferreira
- a FZEA-USP , Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900 , Brazil
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31
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In Silico Design of Multimeric HN-F Antigen as a Highly Immunogenic Peptide Vaccine Against Newcastle Disease Virus. Int J Pept Res Ther 2013. [DOI: 10.1007/s10989-013-9380-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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32
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Barbour E, Shaib H, Azhar E, Kumosani T, Iyer A, Harakeh S, Damanhouri G, Chaudary A, Bragg R. Modulation by essential oil of vaccine response and production improvement in chicken challenged with velogenic Newcastle disease virus. J Appl Microbiol 2013; 115:1278-86. [DOI: 10.1111/jam.12334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 07/31/2013] [Accepted: 08/17/2013] [Indexed: 11/28/2022]
Affiliation(s)
- E.K. Barbour
- Department of Animal and Veterinary Sciences; Faculty of Agricultural and Food Sciences; American University of Beirut (AUB); Beirut Lebanon
- Adjunct to Biochemistry Department; King Abdulaziz University; Jeddah Saudi Arabia
| | - H. Shaib
- Department of Animal and Veterinary Sciences; Faculty of Agricultural and Food Sciences; American University of Beirut (AUB); Beirut Lebanon
| | - E. Azhar
- Special Infectious Agents Unit - Biosafety Level 3; King Fahad Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - T. Kumosani
- Biochemistry Department; Faculty of Science and Experimental Biochemistry Unit; King Fahd Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - A. Iyer
- Biochemistry Department; Faculty of Science and Experimental Biochemistry Unit; King Fahd Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - S. Harakeh
- Special Infectious Agents Unit - Biosafety Level 3; King Fahad Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - G. Damanhouri
- King Fahad Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - A. Chaudary
- King Fahad Medical Research Center; King Abdulaziz University; Jeddah Saudi Arabia
| | - R.R. Bragg
- Department of Microbial; Biochemical and Food Biotechnology; University of The Free State; Bloemfontein South Africa
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Indran SV, Ikegami T. Novel approaches to develop Rift Valley fever vaccines. Front Cell Infect Microbiol 2012; 2:131. [PMID: 23112960 PMCID: PMC3481114 DOI: 10.3389/fcimb.2012.00131] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Accepted: 10/05/2012] [Indexed: 01/26/2023] Open
Abstract
Rift Valley fever (RVF) is endemic to sub-Saharan Africa, and has spread into Madagascar, Egypt, Saudi Arabia, and Yemen. Rift Valley fever virus (RVFV) of the family Bunyaviridae, genus Phlebovirus causes hemorrhagic fever, neurological disorders or blindness in humans, and high rate abortion and fetal malformation in ruminants. RVFV is classified as a Category A Priority pathogen and overlap select agent by CDC/USDA due to its potential impact on public health and agriculture. There is a gap in the safety and immunogenicity in traditional RVF vaccines; the formalin-inactivated RVFV vaccine TSI-GSD-200 requires three doses for protection, and the live-attenuated Smithburn vaccine has a risk to cause abortion and fetal malformation in pregnant ruminants. In this review, problems of traditional vaccines and the safety and efficacy of recently reported novel RVF candidate vaccines including subunit vaccines, virus vector, and replicons are discussed.
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Affiliation(s)
- Sabarish V Indran
- Department of Pathology, The University of Texas Medical Branch Galveston, TX, USA
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34
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Isolation of Newcastle disease virus from a non-avian host (sheep) and its implications. Arch Virol 2012; 157:1565-7. [PMID: 22543636 DOI: 10.1007/s00705-012-1317-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Accepted: 03/19/2012] [Indexed: 10/28/2022]
Abstract
Newcastle disease virus (NDV) is an avian virus that has not been isolated from naturally infected non-avian and non-human hosts except for one report in which it was isolated from cattle in 1952. We report here for the first time the isolation and identification of NDV from sheep and suggest that this virus be included in the screening of viruses from non-avian hosts.
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35
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Wei D, Sun N, Nan G, Wang Y, Liu HQ, Peeters B, Chen ZN, Bian H. Construction of recombinant Newcastle disease virus Italien strain for oncolytic virotherapy of tumors. Hum Gene Ther 2012; 23:700-10. [PMID: 22372930 DOI: 10.1089/hum.2011.207] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Newcastle disease virus (NDV) is a naturally oncolytic virus that has been shown to be safe and effective for cancer therapy. Tumor virotherapy using NDV emerged in the 1950s and has advanced more recently by the increased availability of reverse genetics technology. In this study, we constructed a reverse genetics system based on the virulent and oncolytic NDV Italien strain, and generated two recombinant NDVs carrying a gene encoding either enhanced green fluorescent protein or firefly luciferase. We evaluated the replication and antitumor characteristics of these viruses in vitro and in vivo. Our data showed that the insertion of exogenous reporter genes did not affect NDV replication and sensitivity to type I interferon. The recombinant NDVs kept the property of tumor-selective replication both in vitro and in vivo and strongly induced syncytium formation leading to cell death. Moreover, the recombinant NDVs significantly prolonged the survival of tumor-bearing athymic mice (p=0.017) and suppressed the loss of body weight after intratumoral injection. Taken together, our study provides a novel platform to develop recombinant oncolytic viruses based on the NDV Italien strain and shows the efficiency of recombinant NDV Italien for oncolytic virotherapy of tumors.
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Affiliation(s)
- Ding Wei
- Cell Engineering Research Center and Department of Cell Biology, Fourth Military Medical University, Xi'an 710032, China
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36
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Xiao S, Kumar M, Yang X, Akkoyunlu M, Collins PL, Samal SK, Pal U. A host-restricted viral vector for antigen-specific immunization against Lyme disease pathogen. Vaccine 2011; 29:5294-303. [PMID: 21600949 PMCID: PMC3138909 DOI: 10.1016/j.vaccine.2011.05.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Revised: 04/21/2011] [Accepted: 05/05/2011] [Indexed: 11/21/2022]
Abstract
Newcastle disease virus (NDV) is an avian virus that is attenuated in primates and is a potential vaccine vector for human use. We evaluated NDV as a vector for expressing selected antigens of the Lyme disease pathogen Borrelia burgdorferi. A series of recombinant NDVs were generated that expressed intracellular or extracellular forms of two B. burgdorferi antigens: namely, the basic membrane protein A (BmpA) and the outer surface protein C (OspC). Expression of the intracellular and extracellular forms of these antigens was confirmed in cultured chicken cells. C3H or Balb/C mice that were immunized intranasally with the NDV vectors mounted vigorous serum antibody responses against the NDV vector, but failed to mount a robust response against either the intracellular or extracellular forms of BmpA or OspC. By contrast, a single immunization of hamsters with the NDV vectors via the intranasal, intramuscular, or intraperitoneal route resulted in rapid and rigorous antibody responses against the intracellular or extracellular forms of BmpA and OspC. When groups of hamsters were separately inoculated with various NDV vectors and challenged with B. burgdorferi (108 cells/animal), immunization with vector expressing either intracellular or extracellular BmpA was associated with a significant reduction of the pathogen load in the joints. Taken together, our studies highlighted the importance of NDV as vaccine vector that can be used for simple yet effective immunization of hosts against bacterial infections including Lyme disease.
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Affiliation(s)
- Sa Xiao
- Department of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
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37
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Abstract
In order to develop novel solutions to avian disease problems, including novel vaccines and/or vaccine adjuvants, and the identification of disease resistance genes which can feed into conventional breeding programmes, it is necessary to gain a more thorough understanding of the avian immune response and how pathogens can subvert that response. Birds occupy the same habitats as mammals, have similar ranges of longevity and body mass, and face similar pathogen challenges, yet birds have a different repertoire of organs, cells, molecules and genes of the immune system compared to mammals. This review summarises the current state of knowledge of the chicken's immune response, highlighting differences in the bird compared to mammals, and discusses how the availability of the chicken genome sequence and the associated postgenomics technologies are contributing to theses studies and also to the development of novel intervention strategies againts avian and zoonotic disease.
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Affiliation(s)
- Pete Kaiser
- The Roslin Institute and R(D)SVS, University of Edinburgh, Easter Bush Veterinary Centre, Roslin, Midlothian, UK.
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38
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Avian influenza pandemic preparedness: developing prepandemic and pandemic vaccines against a moving target. Expert Rev Mol Med 2010; 12:e14. [PMID: 20426889 DOI: 10.1017/s1462399410001432] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The unprecedented global spread of highly pathogenic avian H5N1 influenza viruses within the past ten years and their extreme lethality to poultry and humans has underscored their potential to cause an influenza pandemic. Combating the threat of an impending H5N1 influenza pandemic will require a combination of pharmaceutical and nonpharmaceutical intervention strategies. The emergence of the H1N1 pandemic in 2009 emphasised the unpredictable nature of a pandemic influenza. Undoubtedly, vaccines offer the most viable means to combat a pandemic threat. Current egg-based influenza vaccine manufacturing strategies are unlikely to be able to cater to the huge, rapid global demand because of the anticipated scarcity of embryonated eggs in an avian influenza pandemic and other factors associated with the vaccine production process. Therefore, alternative, egg-independent vaccine manufacturing strategies should be evaluated to supplement the traditional egg-derived influenza vaccine manufacturing. Furthermore, evaluation of dose-sparing strategies that offer protection with a reduced antigen dose will be critical for pandemic influenza preparedness. Development of new antiviral therapeutics and other, nonpharmaceutical intervention strategies will further supplement pandemic preparedness. This review highlights the current status of egg-dependent and egg-independent strategies against an avian influenza pandemic.
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Pandey A, Singh N, Sambhara S, Mittal SK. Egg-independent vaccine strategies for highly pathogenic H5N1 influenza viruses. HUMAN VACCINES 2010; 6:178-88. [PMID: 19875936 PMCID: PMC2888842 DOI: 10.4161/hv.6.2.9899] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The emergence of a highly pathogenic H5N1 influenza virus in Hong Kong in 1997 and the subsequent appearance of other H5N1 strains and their spread to several countries in southeast Asia, Africa, the Middle East and Europe has evoked fear of a global influenza pandemic. Vaccines offer the best hope to combat the threat of an influenza pandemic. However, the global demand for a pandemic vaccine cannot be fulfilled by the current egg-based vaccine manufacturing strategies, thus creating a need to explore alternative technologies for vaccine production and delivery. Several egg-independent vaccine approaches such as cell culture-derived whole virus or subvirion vaccines, recombinant protein-based vaccines, virus-like particle (VLP) vaccines, DNA vaccines and viral vector-based vaccines are currently being investigated and appear promising both in preclinical and clinical studies. The present review will highlight the various egg-independent alternative vaccine approaches for pandemic influenza.
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Affiliation(s)
| | | | | | - Suresh K. Mittal
- Correspondence: Suresh K. Mittal, Department of Comparative Pathobiology, School of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA, Tel: 765-496-2894, Fax: 765-494-9830, , Suryaprakash Sambhara, Influenza Division, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA, Tel: 404-639-3800, Fax: 404-639-5180,
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The interferon antagonistic activities of the V proteins from two strains of Newcastle disease virus correlate with their known virulence properties. Virus Res 2009; 147:153-7. [PMID: 19896994 DOI: 10.1016/j.virusres.2009.10.020] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2009] [Revised: 10/26/2009] [Accepted: 10/28/2009] [Indexed: 11/24/2022]
Abstract
Newcastle disease virus (NDV) is an avian paramyxovirus that exists as hundreds of strains with widely different virulence properties. The NDV V protein exhibits interferon (IFN) antagonistic activity, which contributes to the virulence of the virus. The IFN-antagonistic activities of the V proteins from the avirulent strain La Sota and the moderately virulent strain Beaudette C (BC) were compared in an assay for the rescue of a recombinant NDV expressing the green fluorescent protein (NDV-GFP). Consistent with the virulence properties of the two viruses, the BC V protein exhibits a 4-fold greater ability to rescue replication of NDV-GFP than the La Sota V protein. Four amino acid differences in the C-terminal region of V, as well as the N-terminal region, contribute to the difference in IFN-antagonistic activity between the two V proteins.
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Nayak B, Rout SN, Kumar S, Khalil MS, Fouda MM, Ahmed LE, Earhart KC, Perez DR, Collins PL, Samal SK. Immunization of chickens with Newcastle disease virus expressing H5 hemagglutinin protects against highly pathogenic H5N1 avian influenza viruses. PLoS One 2009; 4:e6509. [PMID: 19654873 PMCID: PMC2716524 DOI: 10.1371/journal.pone.0006509] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2009] [Accepted: 07/02/2009] [Indexed: 11/18/2022] Open
Abstract
Background Highly-pathogenic avian influenza virus (HPAIV) and Newcastle disease virus (NDV) are the two most important poultry viruses in the world. Natural low-virulence NDV strains have been used as vaccines over the past 70 years with proven track records. We have previously developed a reverse genetics system to produce low-virulent NDV vaccine strain LaSota from cloned cDNA. This system allows us to use NDV as a vaccine vector for other avian pathogens. Methodology/Principal Finding Here, we constructed two recombinant NDVs (rNDVs) each of which expresses the hemagglutinin (HA) gene of HPAIV H5N1strain A/Vietnam/1203/2004 from an added gene. In one, rNDV (rNDV-HA), the open reading frame (ORF) of HA gene was expressed without modification. In the second, rNDV (rNDV-HAF), the ORF was modified so that the transmembrane and cytoplasmic domains of the encoded HA gene were replaced with those of the NDV F protein. The insertion of either version of the HA ORF did not increase the virulence of the rNDV vector. The HA protein was found to be incorporated into the envelopes of both rNDV-HA and rNDV-HAF. However, there was an enhanced incorporation of the HA protein in rNDV-HAF. Chickens immunized with a single dose of either rNDV-HA or rNDV-HAF induced a high titer of HPAIV H5-specific antibodies and were completely protected against challenge with NDV as well as lethal challenges of both homologous and heterologous HPAIV H5N1. Conclusion and Significance Our results suggest that these chimeric viruses have potential as safe and effective bivalent vaccines against NDV and. HPAIV. These vaccines will be convenient and affordable, which will be highly beneficial to the poultry industry. Furthermore, immunization with these vaccines will permit serological differentiation of vaccinated and avian influenza field virus infected animals.
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Affiliation(s)
- Baibaswata Nayak
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Subrat N. Rout
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Sachin Kumar
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | | | | | | | | | - Daniel R. Perez
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Peter L. Collins
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, United States of America
| | - Siba K. Samal
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
- * E-mail:
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Abstract
The antiquated system used to manufacture the currently licensed inactivated influenza virus vaccines would not be adequate during an influenza virus pandemic. There is currently a search for vaccines that can be developed faster and provide superior, long-lasting immunity to influenza virus as well as other highly pathogenic viruses and bacteria. Recombinant vectors provide a safe and effective method to elicit a strong immune response to a foreign protein or epitope. This review explores the advantages and limitations of several different vectors that are currently being tested, and highlights some of the newer viruses being used as recombinant vectors.
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43
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Subbiah M, Yan Y, Rockemann D, Samal SK. Experimental infection of calves with Newcastle disease virus induces systemic and mucosal antibody responses. Arch Virol 2008; 153:1197-200. [PMID: 18478179 DOI: 10.1007/s00705-008-0099-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Accepted: 03/30/2008] [Indexed: 11/28/2022]
Abstract
Calves were infected intranasally and intratracheally with Newcastle disease virus (NDV), an avian paramyxovirus. Clinical signs, viral replication, and antibody production were evaluated. This study showed that NDV replicated in calves, as evidenced by development of NDV-specific humoral and mucosal antibody responses, but was attenuated in this unnatural host. These results suggest that NDV has the potential for development as a host-range-restricted, intranasal vaccine vector for cattle that lack preexisting immunity to NDV.
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Affiliation(s)
- Madhuri Subbiah
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
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44
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Opinion of the Scientific Panel on Animal Health and Welfare (AHAW) to review Newcastle disease focussing on vaccination worldwide in order to determine its optimal use for disease control purposes. EFSA J 2007. [DOI: 10.2903/j.efsa.2007.477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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45
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Wang Z, Liu H, Xu J, Bao J, Zheng D, Sun C, Wei R, Song C, Chen J. Genotyping of Newcastle Disease Viruses Isolated from 2002 to 2004 in China. Ann N Y Acad Sci 2006; 1081:228-39. [PMID: 17135516 DOI: 10.1196/annals.1373.027] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The main function region of the fusion (F) protein gene of 124 strains of Newcastle disease virus isolated from 2002 to 2004 in China was amplified and sequenced for further phylogenetic and residue substitutive analysis. Most of the isolates were classified into genotype VIIc, VIId, VIf, and VIb, while others into genotype IX, III, or II. The genotype IX, a unique genotype which includes strain F48, the first Chinese virulent NDV strain isolated in 1948, were still found inducing sporadic infections in certain areas. Subgenotype VIIc, VIId, and VIIe viruses, which were distributed in clusters in the phylogenetic tree distinct from members of subgenotypes VIIa and VIIb, were responsible for most outbreaks in China and circulated predominantly in China in recent years. Strain NDV03-026, an isolate of the genotype II which was normally lentogenic, was found carrying (112)RRQKRF(117) motif at the cleavage site of F protein as the virulent strain.
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Affiliation(s)
- Zhiliang Wang
- National Reference Laboratory for Newcastle Disease, Animal Quarantine Institute, Ministry of Agriculture, 369 Nanjing Road, Qingdao, P.C. 266032, People's Republic of China.
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Takeda M, Nakatsu Y, Ohno S, Seki F, Tahara M, Hashiguchi T, Yanagi Y. Generation of measles virus with a segmented RNA genome. J Virol 2006; 80:4242-8. [PMID: 16611883 PMCID: PMC1472037 DOI: 10.1128/jvi.80.9.4242-4248.2006] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Viruses classified in the order Mononegavirales have a single nonsegmented RNA molecule as the genome and employ similar strategies for genome replication and gene expression. Infectious particles of Measles virus (MeV), a member of the family Paramyxoviridae in the order Mononegavirales, with two or three RNA genome segments (2 seg- or 3 seg-MeV) were generated using a highly efficient reverse genetics system. All RNA segments of the viruses were designed to have authentic 3' and 5' self-complementary termini, similar to those of negative-stranded RNA viruses that intrinsically have multiple RNA genome segments. The 2 seg- and 3 seg-MeV were viable and replicated well in cultured cells. 3 seg-MeV could accommodate up to six additional transcriptional units, five of which were shown to be capable of expressing foreign proteins efficiently. These data indicate that the MeV genome can be segmented, providing an experimental insight into the divergence of the negative-stranded RNA viruses with nonsegmented or segmented RNA genomes. They also illustrate a new strategy to develop mononegavirus-derived vectors harboring multiple additional transcriptional units.
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Affiliation(s)
- Makoto Takeda
- Department of Virology, Faculty of Medicine, Kyushu University, Fukuoka 812-8582, Japan.
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Smulikowska S. Chapter 21 Manipulation of the poultry ecosystem through biotechnology. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/s1877-1823(09)70108-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Oldoni I, Brown CC, King DJ, Samal S, Seal BS. The use of in situ hybridization and immunohistochemistry to study the pathogenesis of various Newcastle disease virus strains and recombinants in embryonated chicken eggs. Microb Pathog 2005; 39:69-75. [PMID: 16084682 DOI: 10.1016/j.micpath.2005.04.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2004] [Accepted: 04/07/2005] [Indexed: 11/18/2022]
Abstract
Avian paramyxovirus type 1, commonly referred to as Newcastle disease virus (NDV), is a serious pathogen of significant economic importance to the industry. To investigate the role of the fusion (F), hemagglutinin-neuraminidase (HN), and (P) phosphoprotein gene sequences in virulence, six strains of Newcastle disease virus (NDV) representing all pathotypes and seven recombinant strains created by reverse genetics were inoculated into 9-day-old chicken embryos. Tissues and chorioallantoic membranes (CAM) were harvested at 24-hour intervals post-inoculation. Riboprobe in situ hybridization and immunohistochemistry highlighted distinct tissue tropisms among the viruses. Presence of F and/or HN from virulent viruses inserted into lentogenic backbones caused dissemination of virus in a manner similar to wild type virulent viruses. Disruption of P gene decreased dissemination of velogeinic infectious clones. It is concluded that each of these genes contributes to pathogenicity.
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Affiliation(s)
- Ivomar Oldoni
- Veterinary Medicine Graduate School, University of Santa Maria, Brazil
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Bian H, Fournier P, Moormann R, Peeters B, Schirrmacher V. Selective gene transfer in vitro to tumor cells via recombinant Newcastle disease virus. Cancer Gene Ther 2005; 12:295-303. [PMID: 15605075 DOI: 10.1038/sj.cgt.7700774] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
We developed a novel strategy to target recombinant Newcastle disease virus (NDV) to tumor cells for gene therapy. Modifying the virus with a bispecific fusion protein allowed virus receptor-independent tumor cell binding and gene transfer. The targeting molecule (alpha)HN-IL-2 contains an scFv antibody cloned from a neutralizing hemagglutinin-neuraminidase (HN)-specific hybridoma linked to the human cytokine IL-2. A recombinant NDV expressing the enhanced green fluorescent protein (NDFL-EGFP) was applied to show the expression of foreign genes in virus-infected tumor cells. At 24 hours after infection with the modified virus (NDFL-EGFP/(alpha)HN-IL-2), FACS analysis and fluorescence microscopy revealed neutralization of natural infection in IL-2 receptor-negative Jurkat leukemia cells, but targeted expression of EGFP in IL-2 receptor-positive human leukemia-derived MT-2 cells. The targeted gene delivery of NDFL-EGFP/(alpha)HN-IL-2 in MT-2 cells was blocked by the target ligand human IL-2. Selective virus entry to IL-2 receptor bearing tumor cells was also observed in a mixture of Jurkat and MT-2 cell lines. These results demonstrate that a recombinant NDV carrying a foreign gene can be successfully targeted to a specific tumor through a bispecific protein, which thereby increases the selectivity of gene transfer.
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Affiliation(s)
- Huijie Bian
- Division of Cellular Immunology, German Cancer Research Center, D010, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
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Abstract
Recent data has shown that viruses such as vesicular stomatitis virus (VSV), a relatively non-pathogenic, negative-stranded RNA virus, can preferentially replicate in malignant cells and less so in normal cells. VSV appears able to carry out this function in transformed cells since these hosts exhibit the hallmarks of flawed host defense, probably involving the interferon system, which is essential for preventing virus replication. The simple genetic constitution of VSV, lack of any known transforming, integrating or reassortment properties, extensive knowledge relating to its interaction with the immune system and the ability to genetically manipulate this agent affords an ideal opportunity to exploit the oncolytic and gene targeting potential of this innocuous virus. Thus, aside from preferentially targeting malignant cells VSV recombinants could be generated that could increase a tumor's susceptibility to chemotherapeutic agents and/ or importantly, the host immune response. Collectively, our data and others demonstrate that VSV as well as other RNA viruses could provide a promising and exciting approach to cancer therapy.
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Affiliation(s)
- Glen N Barber
- Department of Microbiology and Immunology, Sylvester Comprehensive Cancer Center, University of Miami School of Medicine, Miami, Florida 33136, USA.
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