Download or read book Subunit Vaccine Delivery written by Camilla Foged and published by Springer. This book was released on 2014-11-22 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive volume compiles the concepts essential for the understanding of the pharmaceutical science and technology associated with the delivery of subunit vaccines. Twenty-one chapters are divided into four main parts: (I) Background; (2) Delivery Systems for Subunit Vaccines; (3) Delivery Routes, Devices and Dosage Forms; and (4) Pharmaceutical Analysis and Quality Control of Vaccines. Part one provide a basic background with respect to immunology and general vaccine classification. In part two, it presents representative types of vaccine delivery systems individually with focus on the physicochemical properties of the systems and their significance for the immune response they stimulate. These delivery systems include aluminum adjuvants, emulsions, liposomes, bilosomes, cubosomes/hexosomes, ISCOMs, virus-like particles, polymeric nano- and microparticles, gels, implants and cell-based delivery systems. Following these chapters, part three addresses the challenges associated with vaccine delivery via specific routes of administration—in particular subcutaneous, intramuscular, oral, nasal, pulmonary, transdermal and vaginal administration. Furthermore, the specific administration routes are discussed in combination with device technologies relevant for the respective routes as well as dosage forms appropriate for the device technology. Finally, the fourth part concerns pharmaceutical analysis and quality control of subunit vaccines.

Download or read book Immunomic Discovery of Adjuvants and Candidate Subunit Vaccines written by Darren R. Flower and published by Springer Science & Business Media. This book was released on 2012-12-09 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will address an important emergent area within the field of immunomics: the discovery of antigens and adjuvants within the context of reverse vaccinology. Conventional approaches to vaccine design and development requires pathogens to be cultivated in the laboratory and the immunogenic molecules within them to be identifiable. Conventional vaccinology is no longer universally successful, particularly for recalcitrant pathogens. By using genomic information we can study vaccine development in silico: 'reverse vaccinology', can identify candidate subunits vaccines by identifying antigenic proteins and by using equally rational approaches to identify novel immune response-enhancing adjuvants.

Download or read book Acid sensitive Polymer Microparticles for Subunit Vaccine Delivery written by Matthew D. Gallovic and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Vaccines are one of the most significant contributions to modern medicine, as they are credited with such feats as the near or complete eradication of devastating diseases (e.g., polio, smallpox). Despite these successes, more conventional formulations (e.g., live-attenuated pathogens) have critical drawbacks that limit their use to healthy patients. Subunit vaccines are an appealing alternative because they contain safe antigens and can be universally administered. The Food and Drug Administration’s (FDA’s) mid-1980s approval of the first subunit vaccine containing a recombinant protein antigen has fostered our ability to develop new protein-based formulations. However, a common issue with protein antigens continues to be their lack of immunogenicity and structural sensitivity. Compounds known as adjuvants are used to boost the efficacy of protein-based subunit vaccines. Aluminum salts (alum) were the only FDA-approved adjuvants for many years, but they have a poorly-defined mechanism of action and, more importantly, have limited efficacy against many pathogens. A more recent generation of adjuvants known as pathogen-associated molecular patterns (PAMPs) analogs can induce broader immune responses against many pathogens. In 2009, the FDA approved an adjuvant formulation containing alum along with a PAMP analog (monophosphoryl lipid A). This has catalyzed the use of countless other PAMP analog adjuvants, but their widespread application is still limited by factors such as the intracellular location of many of their target receptors. Vehicles such as polymer particles can aid in enhancing antigenicity and adjuvanticity by offering sustained and passive targeted delivery to phagocytic antigen-presenting cells (APCs). However, many traditional polymer particle formulation methods are denaturing to structurally sensitive protein antigens. Furthermore, many of these processes encapsulate proteins and adjuvants inefficiently. In this work, acid-sensitive polymer particles that exploit the acidic endocytic pathway of APCs are developed and used to deliver protein antigens and/or PAMP analog adjuvants to boost the efficacy of subunit vaccines. Particular attention is paid to developing (i) dual-functioning immunostimulatory polymer vehicles that can deliver protein antigens, (ii) mild processes that can efficiently encapsulate both protein antigens and adjuvants, and (iii) polymer particles that can be conjugated with protein antigens post-fabrication.

Download or read book Engineering Blend Particle Delivery Platform for Subunit Vaccines Against Mucosally Transmitted Viral Infections written by Zhan, Xi and published by . This book was released on 2014 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: The key aspect of a vaccine delivery platform is to be easily programmed towards different antigens and adjuvants application. Antigens or adjuvants that are derived from various pathogens are diverse in a number of physical chemical properties, such as size, charge, and solubility. A polymer nanoparticle system made of the mixture of pH-insensitive polymer, such as poly(lactic-co-glycolic acid) (PLGA) and pH-sensitive polymer has been developed in our lab for vaccine delivery. By modulating the ratio of pH-responsive copolymers, we were able to control both intracellular and extracellular release of protein antigens with different charge properties. Co-delivering the mixture of optimized antigen and adjuvants particles to mice subcutaneously, the quantity and quality of both primary and memory immunity were successfully improved compared to the positive control which contained antigen mixed with aluminum hydroxide (Alum) adjuvant. Unlike Alum, which induced Th2-dominant humoral responses, blend particles elicited robust Th1-dominant responses. Additionally, the quality of cellular responses was improved by blend particle systems. Higher level of polyfunctional CD4+ T cells was induced by particles compared to Alum control. In combination of a novel mucosal vaccination strategy, this particle system was tested to protect mice from genital Herpes Simplex Virus-2 (HSV-2) infection. More than 500 millions of people are estimated to be infected with HSV-2 worldwide and HSV-2 seropositive persons have a 2 to 4 fold increased risk of acquiring HIV-1 infection. Lacking sufficient immunity, candidate HSV-2 vaccines that were protective in animal model, however, have not been successful in human clinical studies in decades. Our results showed that our strategy recruited sufficient immunity in local tissue and has efficiently protected the mice against HSV-2 infection. This pH-responsive blend particle system represents a simple and promising delivery platform for subunit vaccine development against viral infections.

Download or read book Vaccine Design written by Michael F. Powell and published by Springer. This book was released on 2012-12-06 with total page 977 pages. Available in PDF, EPUB and Kindle. Book excerpt: When my interest was first drawn to the phenomenon of vaccination for virus diseases in the late 1930s, the state of the art and the science of vaccine design was not far advanced beyond the time of Jenner at the end of the 18th century and of Pasteur a century later. In the 1930s it was still believed that for the induction of immunity to a virus-caused disease the experience of infection was required, but not for a toxin-caused disease such as diphtheria or tetanus, for which a chemically detoxified antigen was effective for immu nization. This prompted the question as to whether it might be possible to produce a similar effect for virus diseases using nonreplicating antigens. When in the 1930s and 1940s it was found possible to propagate influenza viruses in the chick embryo, protective effects could be induced without the need to experience infection by the use of a sufficient dose of a noninfectious influenza virus preparation. Later in the 1940s, it became possible to propagate polio and other viruses in cultures of human and monkey tissue and to immunize against other virus diseases in the same way. Later, with the advent of the era of molecular biology and genetic engineering, antigens and vaccines could be produced in new and creative ways, using either replicating or nonreplicating forms of the appropriate antigens for inducing a dose-related protective state.

Download or read book Immunization written by Ning Wang and published by BoD – Books on Demand. This book was released on 2018-11-28 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Immunization plays a key role in maintaining human health and each year, saves millions of lives from lethal pathogens and other fatal diseases in the most economical way, thanks to the advanced development of model vaccines. Subunit vaccines are regarded as a safer product than the whole microbe based-conventional vaccines and can be entrapped in various nanocarriers to form a vaccine adjuvant-delivery system (VADS) able to further boost their immunostimulatory activity. In this book, six groups of authors introduce immunization advances in VADSs designed for infection prophylaxis and cancer immunotherapy, problems and their resolution in both human and poultry immunization, and also, the mathematical model for assay of the basic immunization problem (BIP) understood from a finance point of view.

Download or read book Transcutaneous Subunit Vaccine Delivery written by Zhi Ding and published by . This book was released on 2010 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Pharmaceutical Biotechnology written by Daan J. A. Crommelin and published by CRC Press. This book was released on 2002-11-14 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of pharmaceutical biotechnology is evolving rapidly. A whole new arsenal of protein pharmaceuticals is being produced by recombinant techniques for cancer, viral infections, cardiovascular and hereditary disorders, and other diseases. In addition, scientists are confronted with new technologies such as polymerase chain reactions, combinatorial chemistry and gene therapy. This introductory textbook provides extensive coverage of both the basic science and the applications of biotechnology-produced pharmaceuticals, with special emphasis on their clinical use. Pharmaceutical Biotechnology serves as a complete one-stop source for undergraduate pharmacists, and it is valuable for researchers and professionals in the pharmaceutical industry as well.

Download or read book Vaccine Adjuvants and Delivery Systems written by Manmohan Singh and published by John Wiley & Sons. This book was released on 2007-08-03 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authoritative reference on recent developments in vaccinology New technologies, including recombinant protein and DNA, have sparked phenomenal progress in vaccine development and delivery systems. This unique resource brings scientists up to date on recent advances and provides the information they need to select candidate adjuvants. With chapters written by leading experts in their fields, Vaccine Adjuvants and Delivery Systems: * Provides a comprehensive overview of the rapidly evolving field and developing formulation methods * Covers cutting-edge technologies and gives the current status of adjuvants in clinical trials and those still in the pre-clinical stage * Includes detailed information on specific vaccine adjuvants, including MF59, TLR4 agonists, new iscoms, cytokines, polyphosphazenes, and more * Provides a historical perspective on the development of vaccine adjuvants and discusses the mechanisms of adjuvant actions * Covers some novel adjuvants and delivery systems and the safety evaluation of adjuvants A great reference for researchers, scientists, and students in vaccinology, biotechnology, immunology, and molecular biology, this resource is also valuable for researchers and scientists in veterinary medicine who work to prevent diseases in animals.

Download or read book Basic and Applied Aspects of Biotechnology written by Varsha Gupta and published by Springer. This book was released on 2016-10-22 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the journey of biotechnology, searching for new avenues and noting the impressive accomplishments to date. It has harmonious blend of facts, applications and new ideas. Fast-paced biotechnologies are broadly applied and are being continuously explored in areas like the environmental, industrial, agricultural and medical sciences. The sequencing of the human genome has opened new therapeutic opportunities and enriched the field of medical biotechnology while analysis of biomolecules using proteomics and microarray technologies along with the simultaneous discovery and development of new modes of detection are paving the way for ever-faster and more reliable diagnostic methods. Life-saving bio-pharmaceuticals are being churned out at an amazing rate, and the unraveling of biological processes has facilitated drug designing and discovery processes. Advances in regenerative medical technologies (stem cell therapy, tissue engineering, and gene therapy) look extremely promising, transcending the limitations of all existing fields and opening new dimensions for characterizing and combating diseases.

Download or read book Micro and Nanotechnology in Vaccine Development written by Mariusz Skwarczynski and published by William Andrew. This book was released on 2016-09-20 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of how use of micro- and nanotechnology (MNT) has allowed major new advance in vaccine development research, and the challenges that immunologists face in making further progress. MNT allows the creation of particles that exploit the inherent ability of the human immune system to recognize small particles such as viruses and toxins. In combination with minimal protective epitope design, this permits the creation of immunogenic particles that stimulate a response against the targeted pathogen. The finely tuned response of the human immune system to small particles makes it unsurprising that many of the lead adjuvants and vaccine delivery systems currently under investigation are based on nanoparticles. - Provides a comprehensive and unparalleled overview of the role of micro- and nanotechnology in vaccine development - Allows researchers to quickly familiarize themselves with the broad spectrum of vaccines and how micro- and nanotechnologies are applied to their development - Includes a combination of overview chapters setting out general principles, and focused content dealing with specific vaccines, making it useful to readers from a variety of disciplines

Download or read book Immunopotentiators in Modern Vaccines written by Virgil Schijns and published by Elsevier. This book was released on 2005-12-19 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Immunopotentiators in Modern Vaccines provides an in-depth insight and overview of a number of most promising immunopotentiators in modern vaccines. In contrast to existing books on the subject it provides recent data on the critical mechanisms governing the activity of vaccine adjuvants and delivery systems. Knowledge of immunological pathways and scenarios of the cells and molecules involved is described and depicted in comprehensive illustrations. - Contributions from leading international authorities in the field - Well-illustrated, informative figures present the interactions between immunopotentiators and the host immune system - Each chapter lists advantages and potential hurdles for achieving a practical application for the specific immunopentiator

Download or read book Mucosal Vaccines written by Hiroshi Kiyono and published by Elsevier. This book was released on 1996-10-23 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Practical Aspects of Vaccine Development written by Parag Kolhe and published by Elsevier. This book was released on 2021-09-08 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Formulation, Development and Manufacturing of Vaccines: The Practical Aspects provides an industry perspective on vaccine product development and manufacture that covers their formulation development, manufacture and delivery/in-use considerations of vaccine production. With the increasing complexity of vaccine products in development, there is a need for a comprehensive review of the current state of the industry and its challenges. While formulation scientists working in biotherapeutic development may be familiar with proteins, vaccines present unique challenges, including the wide range of vaccine components that may comprise proteins, polysaccharides, protein-polysaccharide conjugates, adjuvants, etc. and the varying stability and behavior of solution- and suspension-based systems. This book is an essential resource for formulation scientists, researchers in vaccine development throughout medical and life sciences, and advanced students. Includes formulation considerations for various vaccine types, including proteins, polysaccharides, conjugates and live vaccines Considers process development for solution, suspension and lyophilized products Explores the future potential of vaccines, including multi-component vaccines and novel delivery mechanisms/devices

Download or read book Mechanistic Studies on Transcutaneous Subunit Vaccine Delivery written by Suzanne Marleen Bal and published by . This book was released on 2011 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biodegradable Polymeric Delivery Systems for Protein Subunit Vaccines written by Michael John Heffernan and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The prevention and treatment of cancer and infectious diseases requires vaccines that can mediate cytotoxic T lymphocyte-based immunity. A promising strategy is protein subunit vaccines composed of purified protein antigens and immunostimulatory adjuvants, such as Toll-like receptor (TLR) agonists. In this research, we developed two new biodegradable polymeric delivery vehicles for protein antigens and TLR agonists, as model vaccine delivery systems. This work was guided by the central hypothesis that an effective vaccine delivery system would have stimulus-responsive degradation and release, biodegradability into excretable non-acidic degradation products, and the ability to incorporate various TLR-inducing adjuvants. The first vaccine delivery system is a cross-linked polyion complex micelle which efficiently encapsulates proteins, DNA, and RNA. The micelle-based delivery system consists of a block copolymer of poly(ethylene glycol) (PEG) and poly(L-lysine), cross-linked by dithiopyridyl side groups to provide transport stability and intracellular release. The second delivery system consists of solid biodegradable microparticles encapsulating proteins, nucleic acids, and hydrophobic compounds. The microparticles are composed of pH-sensitive polyketals, which are a new family of hydrophobic, linear polymers containing backbone ketal linkages. Polyketals are synthesized via a new polymerization method based on the acetal exchange reaction and degrade into non-acidic, excretable degradation products. In addition, the technique of hydrophobic ion pairing was utilized to enhance the encapsulation of ovalbumin, DNA, and RNA in polyketal microparticles via a single emulsion method. Using in vitro and in vivo immunological models, we demonstrated that the micelle- and polyketal-based vaccine delivery systems enhanced the cross-priming of cytotoxic T lymphocytes. The model vaccines were composed of ovalbumin antigen and various TLR-inducing adjuvants including CpG-DNA, monophosphoryl lipid A, and dsRNA. The results demonstrate that the cross-linked micelles and polyketal microparticles have considerable potential as delivery systems for protein-based vaccines.

Download or read book Nanoparticulate Vaccine Delivery Systems written by Martin J. D'Souza and published by CRC Press. This book was released on 2015-06-01 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen the development of novel technologies that use nanoparticles and microparticles to deliver vaccines by the oral and microneedle-based transdermal route of administration. These new technologies enable the formulation of vaccine particles containing vaccine antigens, without loss of their biological activity during the formula