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Advances in DNA Vaccines

Author: Maria Isaguliants

Publisher:

Published: 2021

Total Pages: 210

ISBN-13: 9783036503011

DNA is a rapidly developing vaccine platform for cancer and infectious and non-infectious diseases. Plasmids are used as immunogens to encode proteins to be further synthesized in vaccine recipients. DNA is mainly synthetic, ensuring enhanced expression in the cells of vaccine recipients (mostly mammalians). Their introduction into the host induces antibody and cellular responses. The latter are often more pronounced, and mimic the events occurring in infection, especially viral. There are a few distinct ways in which the vaccine antigen can be processed and presented, which determine the resulting immune response and which can be manipulated. Routinely, the antigen synthesized within the host cell is processed by proteasome, loaded onto, and presented in a complex with MHC I molecules. Processing can be re-routed to the lysosome, or immunogen can be secreted for further presentation in a complex with MHC II. Apart from expression, vaccination efficacy depends on DNA delivery. DNA immunogens are generally administered by intramuscular or intradermal injections, usually followed by electroporation, which enhances delivery 1000-fold. Other techniques are also used, such as noninvasive introduction by biojectors, skin applications with plasters and microneedles/chips, sonication, magnetofection, and even tattooing. An intense debate regarding the pros and cons of different routes of delivery is ongoing. A number of studies have compared the effect of delivery methods at the level of immunogen expression, and the magnitude and specificity of the resulting immune response. According to some, the delivery route determines immunogenic performance; according to others, it can modulate the level of response, but not its specificity or polarity. The progress of research aiming at the optimization of DNA vaccine design, delivery, and immunogenic performance has led to a marked increase in their efficacy in large species and humans. New DNA vaccines for use in the treatment of infectious diseases, cancer, allergies, and autoimmunity are forthcoming. This Special Issue covers various aspects of DNA vaccine development.

Advances in DNA Vaccines

Author: Maria G Isaguliants

Publisher:

Published: 2021-08-30

Total Pages: 210

ISBN-13: 9783036503004

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Opportunities in Biotechnology for Future Army Applications

Author: National Research Council

Publisher: National Academies Press

Published: 2001-07-11

Total Pages: 118

ISBN-13: 0309075556

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This report surveys opportunities for future Army applications in biotechnology, including sensors, electronics and computers, materials, logistics, and medical therapeutics, by matching commercial trends and developments with enduring Army requirements. Several biotechnology areas are identified as important for the Army to exploit, either by direct funding of research or by indirect influence of commercial sources, to achieve significant gains in combat effectiveness before 2025.

Vaccines for the 21st Century

Author: Institute of Medicine

Publisher: National Academies Press

Published: 2001-02-21

Total Pages: 472

ISBN-13: 0309174988

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Vaccines have made it possible to eradicate the scourge of smallpox, promise the same for polio, and have profoundly reduced the threat posed by other diseases such as whooping cough, measles, and meningitis. What is next? There are many pathogens, autoimmune diseases, and cancers that may be promising targets for vaccine research and development. This volume provides an analytic framework and quantitative model for evaluating disease conditions that can be applied by those setting priorities for vaccine development over the coming decades. The committee describes an approach for comparing potential new vaccines based on their impact on morbidity and mortality and on the costs of both health care and vaccine development. The book examines: Lessons to be learned from the polio experience. Scientific advances that set the stage for new vaccines. Factors that affect how vaccines are used in the population. Value judgments and ethical questions raised by comparison of health needs and benefits. The committee provides a way to compare different forms of illness and set vaccine priorities without assigning a monetary value to lives. Their recommendations will be important to anyone involved in science policy and public health planning: policymakers, regulators, health care providers, vaccine manufacturers, and researchers.

Vaccine Development and Manufacturing

Author: Emily P. Wen

Publisher: John Wiley & Sons

Published: 2014-10-06

Total Pages: 452

ISBN-13: 1118870905

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Vaccine Manufacturing and Production is an invaluable reference on how to produce a vaccine - from beginning to end - addressing all classes of vaccines from a processing, production, and regulatory viewpoint. It will provide comprehensive information on the various fields involved in the production of vaccines, from fermentation, purification, formulation, to regulatory filing and facility designs. In recent years, there have been tremendous advances in all aspects of vaccine manufacturing. Improved technology and growth media have been developed for the production of cell culture with high cell density or fermentation. Vaccine Manufacturing and Production will serve as a reference on all aspects of vaccine production by providing an in-depth description of the available technologies for making different types of vaccines and the current thinking in facility designs and supply issues. This book will provide insight to the issues scientists face when producing a vaccine, the steps that are involved, and will serve as a reference tool regarding state-of-the-art vaccine manufacturing technologies and facility set-up. Highlights include: Comprehensive coverage of vaccine production : from a process point of view- fermentation to purification to formulation developments; from a production point of view - from facility design to manufacturing; and from a regulatory point of view - requirements from government agencies Authors from different major pharmaceutical and biotechnology companies Describes the challenges and issues involved in vaccine production and manufacturing of the different classes of vaccines, an area not covered by other books currently on the market

The Flaviviruses: Detection, Diagnosis and Vaccine Development

Author:

Publisher: Elsevier

Published: 2003-12-18

Total Pages: 607

ISBN-13: 0080493831

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Over 50% of known flaviviruses have been associated with human disease. The Flavivirus genus constitutes some of the most serious human pathogens including Japanese encephalitis, dengue and yellow fever. Flaviviruses are known for their complex life cycles and epidemic spread, and are considered a globally-emergent viral threat. Detection, Diagnosis and Vaccine Development, the third volume of The Flaviviruses details the current status of technologies for detection and differentiation of these viruses, their use in surveillance and outbreak investigation, and also reviews the latest clinical research. Comprehensive approach to the scientific disciplines needed to unravle the complexities of virus-host interactions Descibes the technologies that have contributed to our current knowledge about the Flaviviruses Identifies the major problems faced in understanding the virus-host interactins that result in disease An exhaustive compendium of current and past knowledge on the Flavivirus family

Veterinary Vaccines and Diagnostics

Author:

Publisher: Elsevier

Published: 1998-10-27

Total Pages: 875

ISBN-13: 0080526837

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This volume of Advances in Veterinary Medicine, derived in part from the First Veterinary Vaccines and Diagnostic Conferences, deals with vaccines, an especially active area of veterinary research and controversy.

DNA Vaccines

Author: Mark W. Saltzman

Publisher: Springer Science & Business Media

Published: 2008-02-02

Total Pages: 382

ISBN-13: 1597451681

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In the early 1990s, almost 200 yr after Edward Jenner demonstrated the effectiveness of the smallpox vaccine, a new paradigm for vaccination emerged. The conventional method of vaccination required delivery of whole pathogens or structural subunits, but in this new approach, DNA or genetic information was administered to elicit an immunological response. Once it was observed that plasmid DNA delivered in vivo led to production of an encoded transgene (1), two ground-breaking studies demonstrated that immunological responses could be generated against antigenic transgenes via plasmid DNA delivered by DNA vaccination (as this approach is called) (2,3). The appe- ance of this new vaccination strategy coincided with advances in molecular biology, which provided new tools to study and manipulate the basic elements of an organism’s genome and also could also be applied to the design and production of DNA vaccines. DNA Vaccines is a major updated and enhancement of the first edition. It reviews state-of-the-art methods in DNA vaccine technology, with chapters describing DNA vaccine design, delivery systems, adjuvants, current appli- tions, methods of production, and quality control. Consistent with the approach of the Methods in Molecular Medicine series, these chapters contain detailed practical procedures on the latest DNA vaccine technology. The enthusiasm for DNA vaccine technology is made clear by the number of research studies published on this topic since the mid-1990s.

Viral DNA Vaccines

Author: Karin Mölling

Publisher: S. Karger AG (Switzerland)

Published: 2000-12-31

Total Pages: 151

ISBN-13: 9783805571739

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DNA vaccine research has progressed from the test tube to clinical trials in less than 10 years. This special issue summarizes the latest advances in the field of DNA vaccination against viral infections. An introductory overview of antiviral DNA vaccine research in the years 1998 to 2000 discusses the different target viruses, animal models, improvement strategies as well as the results obtained so far. In the following chapters, leading specialists present their ongoing experiments and preclinical studies. The viruses used as targets in small animal models or primates include HIV, SIV, lyssavirus, influenza A virus and La Crosse virus, a member of the bunyaviridae. Two of the papers deal with safety issues, thus providing important information for authorities, clinicians and patients concerned with risk evaluation. Of decisive importance for the development of DNA vaccination is the improvement of its efficacy, an issue which is discussed in several papers. Approaches to increase the efficacy include targeting of dendritic cells, codon exchange, messenger stabilization, fusion to long-lived protein moieties such as immunoglobulins, nuclear targeting, secretory signals or tissue-specific expression, and, more recently, DNA-prime-, peptide- or particle-based boosting. Needle-free application and low-dose vaccines make DNA an ideal candidate for the treatment and prevention of a large number of diseases. Though still at an early stage of development, hopes that DNA vaccines will one day be used on a worldwide scale are high. Stimulating further interest in this promising approach, this progress report should be read by anyone in academia or in industry involved in vaccine development.

Mucosal Vaccines

Author: Hiroshi Kiyono

Publisher: Elsevier

Published: 1996-10-23

Total Pages: 501

ISBN-13: 0080537057

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This comprehensive, authoritative treatise covers all aspects of mucosal vaccines including their development, mechanisms of action, molecular/cellular aspects, and practical applications. The contributing authors and editors of this one-of-a-kind book are very well known in their respective fields. Mucosal Vaccines is organized in a unique format in which basic, clinical, and practical aspects of the mucosal immune system for vaccine development are described and discussed. This project is endorsed by the Society for Mucosal Immunology. Provides the latest views on mucosal vaccines Applies basic principles to the development of new vaccines Links basic, clinical, and practical aspects of mucosal vaccines to different infectious diseases Unique and user-friendly organization