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Rojas JM, Sevilla N, Martín V. A New Look at Vaccine Strategies Against PPRV Focused on Adenoviral Candidates. Front Vet Sci 2021; 8:729879. [PMID: 34568477 PMCID: PMC8455998 DOI: 10.3389/fvets.2021.729879] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 08/09/2021] [Indexed: 11/28/2022] Open
Abstract
Peste des petits ruminants virus (PPRV) is a virus that mainly infects goats and sheep causing significant economic loss in Africa and Asia, but also posing a serious threat to Europe, as recent outbreaks in Georgia (2016) and Bulgaria (2018) have been reported. In order to carry out the eradication of PPRV, an objective set for 2030 by the Office International des Epizooties (OIE) and the Food and Agriculture Organization of the United Nations (FAO), close collaboration between governments, pharmaceutical companies, farmers and researchers, among others, is needed. Today, more than ever, as seen in the response to the SARS-CoV2 pandemic that we are currently experiencing, these goals are feasible. We summarize in this review the current vaccination approaches against PPRV in the field, discussing their advantages and shortfalls, as well as the development and generation of new vaccination strategies, focusing on the potential use of adenovirus as vaccine platform against PPRV and more broadly against other ruminant pathogens.
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Affiliation(s)
| | | | - Verónica Martín
- Centro de Investigación en Sanidad Animal (CISA-INIA-CSIC), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Consejo Superior de Investigaciones Científicas, Madrid, Spain
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Lu X, Jia D, Zhao C, Wang W, Liu T, Chen S, Quan X, Sun D, Gao B. Recombinant adenovirus-mediated overexpression of 3β-hydroxysteroid-Δ24 reductase. Neural Regen Res 2014; 9:504-12. [PMID: 25206847 PMCID: PMC4153515 DOI: 10.4103/1673-5374.130074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2014] [Indexed: 11/24/2022] Open
Abstract
3β-Hydroxysteroid-Δ24 reductase (DHCR24) is a multifunctional enzyme that localizes to the endoplasmic reticulum and has neuroprotective and cholesterol-synthesizing activities. DHCR24 overexpression confers neuroprotection against apoptosis caused by amyloid β deposition. The present study aimed to construct two recombinant adenoviruses driving DHCR24 expression specifically in neurons. Two SYN1 promoter DNA fragments were obtained from human (h) and rat (r). Recombinant Ad-r(h)SYN1-DHCR24 was transfected into AD-293, N2A (mouse neuroblastoma), and MIN6 (mouse pancreatic carcinoma) cells. Western blot analysis showed DHCR24 was specially expressed in 293 and N2A cells, but no specific band was found in MIN6 cells. This demonstrates that the recombinant adenoviruses successfully express DHCR24, and no expression is observed in non-neuronal cells. TUNEL assay results showed apoptosis was inhibited in adenovirus-transfected neurons. Detecting reactive oxygen species by immunofluorescence, we found that adenovirus transfection inhibits apoptosis through scavenging excess reactive oxygen species. Our findings show that the recombinant DHCR24 adenoviruses induce neuron-specific DHCR24 expression, and thereby lay the foundation for further studies on DHCR24 gene therapy for Alzheimer's disease.
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Affiliation(s)
- Xiuli Lu
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Dan Jia
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Chenguang Zhao
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Weiqi Wang
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Ting Liu
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Shuchao Chen
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Xiaoping Quan
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Deliang Sun
- Department of Biochemistry and Cell Biology, School of Life Science, Liaoning University, Shenyang, Liaoning Province, China
| | - Bing Gao
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Shenyang Medical College, Shenyang, Liaoning Province, China
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