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Dendritic Cells; J.M. Austyn. The Multiple Accessory Cell Concept; M. Van Rooijen. Sythetic Peptides and the Role of T-Helper Cell Determinants; M.J. Francis. Carriers for Peptides; M.J. Francis. Co-Entrapment of T-Cell and B-Cell Peptides in Liposomes Overcomes Genetic Restriction in Mice and Induces Immunological Memory; G. Gregoriadis, et al. Preparation and Characterization of Stable Liposomal Hepatitis B Vaccine; D. Diminsky, et al. Initiation of Immune Response with ISCOM; B. Morein, et al. Nanoparticles as Potent Aduvants for Vaccines; J. Kreuter. Optimization of Carriers and Adjuvants; A. Snidjders, et al. Immunotargeting as an Adjuvant Independent Subunit Vaccine Design Option; D.L. Skea, B.H. Barber. BCG Vaccine; M.J. Groves, et al. Significance of Virulence Factors and ImmunoEvasion for the Design of Gene-Deleted Herpesvirus Marker Vaccines; S. Kit. Eradication of Sylvatic Rabies Using a Live Recombinant Vaccinia-vRabies Vaccine; M.P. Kieny, et al. 7 additional articles. Index.
During the last decade or so vaccine development has been facilitated by rapid advances in molecular and cell biology. These have laid the foundations of a new generation of vaccines exemplified by subunit vaccines produced through gene cloning and by synthetic peptides mimicking small regions of proteins on the outer coat of viruses. Such peptide~ are capable of eliciting virus-neutralizing antibodies. Unfortunately, subunit and peptide vaccines are only weakly or non immunogenic in the absence of immunological adjuvants that are known to augment specific cell-mediated immune responses to the antigens and to promote the formation of protective antibodies. This book contains the proceedings of the 4th NATO Advanced Studies Institute (ASI) "Vaccines: New Generation Immunological Adjuvants" held at Cape Sounion Beach, Greece, during 24 June -5 . July 1994 and deals in depth with both theoretical and practical aspects of vaccinology. These include the role of antigen presenting cells in the induction of immune responses. immunopotentiation by a variety of new generation immunological adjuvants and vaccine carriers. and recent advances and perspectives in experimental vaccines as well as vaccinatioll with nucleic acids. We express our appreciation to Dr. K. Dalsgaard and Dr. J. L. Virelizier for their cooperatioll in planning the ASI and to Mrs. Concha Pening for her excellent production of the manuscripts. The ASI was held under the sponsorship of NATO Scientific Affairs Division and generously co-sponsored by SmithKline Beecham Pharmaceuticals (Philadelphia).
Dendritic Cells in the Induction of Immunity.- Escape Mechanisms of Viruses from Immune Responses and Their Relevance to Vaccine Design.- Enhanced Immunogenicity of Recombinant and Synthetic Peptide Vaccines.- Immunomodulation by Adjuvants.- Use of Syntex Adjuvant Formulation to Enhance Immune Responses to Viral Antigens.- Influenza Vaccines and the Wyeth-Ayerst Experience with Syntex Adjuvant.- Nonionic Block Polymer Surfactants as Adjuvants in Vaccines.- Effects of Added Cytokines on Immune Responses and Memory.- The Assessment and Use of Adjuvants.- Efficient Anti-Idiotypic Immunization with Homologous, Virus Neutralizing Monoclonal Antibodies Conjugated with KLH and Combined with Quil A.- Protein Conformation Affects the Efficacy of Pertussis Vaccines.- Vaccination Against Epstein-Barr Virus.- Adenovirus Vectored Vaccines.- Vaccines Against Bacterial Infections of Children.- Current Progress and Future Trends in Birth Control Vaccines.- Contributors.
The NATO Advanced Studies Institute series "Targeting of Drugs" was originated in 1981. It is now a major international forum, held every two years in Cape Sounion, Greece, in which the present and the future of this important area of research in drug delivery is discussed in great depth. Previous ASIs of the series dealt with drug carriers of natural and synthetic origin, their interactions with the biological milieu, ways by which milieu interference is circumvented, approaches to carrier design or modification that contribute to optimal carrier function, and, more recently, with strategies for gene and oligonucleotide delivery in therapy The present book contains the proceedings of the 9th NATO ASI, "Targeting of Drugs: Strategies for Stealth Therapeutic Systems," held in Cape Sounion during 24 June -5 July 1997. As the title implies, the book deals with a variety of approaches to evade the reticuloendothelial system and thus extend the circulation time of a variety of delivery systems including polymers, biopolymers, liposomes, and other nanoparticles or microparticles. We express our appreciation to Mrs. Concha Perring for her assistance with the organization of the AS . The ASI was held under the sponsorship of NATO Scientific Affairs Division and supported by Sequus Pharmaceuticals (Menlo Park, CA, USA), The Liposome Company (Princeton, NJ, USA), NOVO Nordisk (Bagsvaard, Denmark), NeXstar Pharmaceuticals (Boulder, CO, USA), Gene Medicine (Houston, TX, USA), Pfizer Ltd (Sandwich, Kent, UK), Merck (Rahway, NJ, USA), and Biovation Ltd (Aberdeen, UK).
During the last decade or so vaccine development has been facilitated by rapid ad- vances in the molecular and cell biology ofthe immune system. This has laid the foundations of a new generation of vaccines exemplified by subunit vaccines produced through gene cloning and by synthetic peptides mimicking small regions ofproteins on the outer coat ofvi- ruses. However, as subunit and peptide vaccines are only weakly or non-immunogenic, there is areal need for strategies to improve their potency. This book contains the proceedings of the 5th NATO Advanced Studies Institute (ASI), "Vaccine Design: The Role of Cytokine Networks," held at Cape Sounion Beach, Greece, during 24 June-5 July 1996 and deals in depth with the role ofbasic immunology in the regulation of immunity and vaccine design. Special emphasis is given to the use of cyto- kines in conjuction with vaccines with the aim ofimproving their potency or the use ofvac- cines designed to improve cytokine production. We express our appreciation to Dr. J.-L. Virelizier and Dr. G. Kollias for their cooperation in planning the ASI and to Mrs. Concha Perring for her excellent production ofthe manuscripts. The ASI was held under the sponsor- ship of NATO Scientific Affairs Division and generously co-sponsored by SmithKline Beecham Pharmaceuticals (Philadelphia). Financial assistance was also provided by Connaught Laboratories Ltd. (Ontario), Pasteur Merieux (Marcy I 'Etoile), Biochine (Siena), Help SA (Athens), and Avanti Polar Lipids Inc. (Birmingham, USA).
The NATO Advanced Studies Institute series "Targeting of Drugs" was originated in 1981. It is now a major international forum, held every two years in Cape Sounion, Greece, in which the present and the future of this important area of research in drug delivery is discussed in great depth. Previous ASIs of the series dealt with drug carriers of natural and synthetic origin, their interaction with the biological milieu, ways by which the latter influences such interaction, strategies by which milieu interference curtailing the function of drug carriers is circumvented and, more recently, with the application of drug carriers for the delivery of peptides and proteins. The present book contains the of the 7th NATO ASI "Targeting of Drugs: Advances in System Constructs," proceedings held in Cape Sounion during 24 June -5 July 1993. As the title implies, the book deals with a variety of approaches to carrier design or modification that contribute to optimal carrier function. to Mrs Concha Perring for her assistance with the We express our appreciation organization of the ASI. We thank Dr. G. Deliconstantinos who, as chairperson of the Local Committee, contributed to the success of the Institute. The ASI was held under the sponsorship of NATO Scientific Affairs Division and co-sponsored and generously financed by SmithKline Beecham Pharmaceuticals (King of Prussia). Financial assistance was also provided by Liposome Technology Inc. (Menlo Park), Vestar Inc. (San Dimas) and Zeneka (Macclesfield).
The 19 papers explore a variety of systems in terms of their ability to transport nucleic acids to target areas in vitro and in vivo in ways that effectively modify, supplement, correct, or curtail the function of genes in therapy. Among the topics are cystic fibrosis, immune responses with direct g
Liposome Technology, Volume I: Liposome Preparation and Related Techniques, Third Edition, is a thoroughly updated and expanded new edition of a classic text in the field. Including step-by-step technical details, Volume I illustrates numerous methods for liposome preparation and auxiliary techniques necessary for the stabilization and characterization of liposomes. This source also offers critical discussions of the methodologies of each technology described so that readers can examine the benefits and limitations and compare it to other approaches.
The Use of Derivatives of MSH for Targeting to Melanomas In Vivo; D.R. Bard, et al. The Development of Ricin AChain Immunotoxins for Clinical Trials in Patients with Hodgkin's Disease; A. Angert, P. Thorpe. Ribosome-Inactivating Proteins from Sponaria Officinalis; M.R. Soria, et al. Targeting with IgG and Immunoliposomes to Circulating Cells; D.J.A. Crommelin, et al. Liposome and Immunoliposome Mediated Delivery of Proteins and Peptides; L. Huang, F. Zhou. Sterically Stabilized Liposomes as Drug Carriers; A. Gabizon, et al. Liposomes as Immunological Adjuvants; G. Gregoriadis. Targeting Proteins to Antigen-Presenting Cells and Induction of Cytokines as a Basis for Adjuvant Activity; A.C. Allison, N.E. Byars. Oral Administration of Peptides; M. Saffran. Oral Administration of Insulin; M. Saffran. Neuropeptide-Mediated Growth of Normal and Cancer Cells; E. Rozengurt, T. Sethi. Bacterial Vectors to Target and/or Purify Polypeptides; M. Hofnung, et al. Index.
Liposome Technology, Volume III: Interactions of Liposomes with the Biological Milieu, Third Edition, is a comprehensively updated and expanded new edition of a classic text in the field. Including step-by-step technical details, Volume III describes technologies for yielding liposomes that can function in a targeted fashion, and highlights methods for studying the interaction of liposomes within the biological environment to be applied in the detection, therapy, or prevention of disease. This source also offers critical discussions of the methodologies of each technology described so that readers can examine the benefits and limitations and compare it to other approaches.
Liposome Technology, Volume II: Entrapment of Drugs and Other Materials into Liposomes, Third Edition is a comprehensively updated and expanded new edition of a classic text in the field. Including step-by-step technical details, Volume II describes procedures for the incorporation of drugs and other materials into liposomes for a variety therapeutics, chosen because of their relevance to current trends in liposome applications or because they represent groups of active pharmaceutical ingredients with similar physical and chemical properties. This source also offers critical discussions of the methodologies of each technology described so that readers can examine the benefits and limitations and compare it to other approaches.
The NATO Advanced Studies Institute series "Targeting of Drugs" was originated in 1981. It is now a major international forum, held every two years in Cape Sounion, Greece, in which the present and the future of this important area of research in drug delivery is discussed in great depth. Previous ASIs of the series dealt with drug carriers of natural and synthetic origin, their interaction with the biological milieu, ways by which the latter influences such interaction, strategies by which milieu interference curtailing the function of drug carriers is circumvented and, more recently, with the application of drug carriers for the delivery of peptides and proteins. The present book contains the of the 7th NATO ASI "Targeting of Drugs: Advances in System Constructs," proceedings held in Cape Sounion during 24 June -5 July 1993. As the title implies, the book deals with a variety of approaches to carrier design or modification that contribute to optimal carrier function. to Mrs Concha Perring for her assistance with the We express our appreciation organization of the ASI. We thank Dr. G. Deliconstantinos who, as chairperson of the Local Committee, contributed to the success of the Institute. The ASI was held under the sponsorship of NATO Scientific Affairs Division and co-sponsored and generously financed by SmithKline Beecham Pharmaceuticals (King of Prussia). Financial assistance was also provided by Liposome Technology Inc. (Menlo Park), Vestar Inc. (San Dimas) and Zeneka (Macclesfield).
The NATO Advanced Studies Institute series "Targeting of Drugs" was originated in 1981. It is now a major international forum, held every two years in Cape Sounion, Greece, in which the present and the future of this important area of research in drug delivery is discussed in great depth. Previous ASIs of the series dealt with drug carriers of natural and synthetic origin, their interactions with the biological milieu, ways by which milieu interference is circumvented, approaches to carrier design or modification that contribute to optimal carrier function, and, more recently, with strategies for gene and oligonucleotide delivery in therapy The present book contains the proceedings of the 9th NATO ASI, "Targeting of Drugs: Strategies for Stealth Therapeutic Systems," held in Cape Sounion during 24 June -5 July 1997. As the title implies, the book deals with a variety of approaches to evade the reticuloendothelial system and thus extend the circulation time of a variety of delivery systems including polymers, biopolymers, liposomes, and other nanoparticles or microparticles. We express our appreciation to Mrs. Concha Perring for her assistance with the organization of the AS . The ASI was held under the sponsorship of NATO Scientific Affairs Division and supported by Sequus Pharmaceuticals (Menlo Park, CA, USA), The Liposome Company (Princeton, NJ, USA), NOVO Nordisk (Bagsvaard, Denmark), NeXstar Pharmaceuticals (Boulder, CO, USA), Gene Medicine (Houston, TX, USA), Pfizer Ltd (Sandwich, Kent, UK), Merck (Rahway, NJ, USA), and Biovation Ltd (Aberdeen, UK).
Targeting of drugs via carrier systems to sites in the body in need of pharmacologic intervention is a rapidly growing area of research in the treatment or prevention of disease. It has evolved from the need to preferentially deliver drugs, enzymes, vitamins, hormones, antigens, etc. to target cells and organs so as to avoid toxicity, waste of drugs through premature secretion or inactivation and at the same time render treatment more convenient and cost-effective. A wide assortment of naturally occ urring or semi-synthetic drug carriers (e. g. antibodies, glycoproteins, lectins, peptide hormones, cells and liposomes), their inter action with relevant receptors and mediation of optimal pharmacological action were discussed in the two previous NATO Advanced Studies Institutes (ASI) of this series, "Targeting of Drugs" and "Receptor-Mediated Targeting of Drugs," the proceedings of wh ich were published by Plenum in 1982 and 1984 respectively. This book contains the proceedings of the 3rd NATO ASI "Targeting of Drugs with Synthetic Systems" held as be fore at Cape Sounion, Greece during 24 June-5 July 1985. It deals mostly with man-made carriers such as a variety of polymers, matrices, liposomes and other colloidal micro particles. The twenty chapters discuss the interaction of such carriers with the biological milieu, approaches to bypass the reticuloendothelial system (or, when needed, take advantage of its interception of carriers to optimally deliver drugs to phagocytes) and ways to improve delivery to specific cells, often with the help of carrier-linked ligands."
Successful drug use in biology and medicine is often prejudiced by the failure of drugs that are otherwise active in vitro to act as efficiently in vivo. This is because in the living animal drugs must, as a rule, bypass or traverse organs, membranes, cells and molecules that stand between the site of administration and the site of action. In practice, however, drugs can be toxic to normal tissues, have limited or no access to the target and be prematurely excreted or inactivated. There is now growing optimism that such problems may be resolved by the use of carrier systems that will not only protect the non-target environment from the drugs they carry but also deliver them to where they are needed or facilitate their release there. Carrier systems presently under investigation include antibodies, glycoproteins, cells, reconstituted viruses and liposomes. Recent advances in the chemistry of cell receptor and receptor-recognising molecules, llnmunology, and natural and artificial membranes have revealed a multitude of ways in which such carrier systems can be modified or improved upon.
Vaccination, chiefly responsible for the eradication of smallpox and the control of poliomyelitis and German measles in man and of foot-and mouth, Marek's and Newcastle disease in domestic animals, remains the best answer to infectious diseases. Early vaccines were live wild type organ isms but these have been largely replaced by attenuated or killed organisms or by purified components (subunits) thereof. More recently, developments in recombinant DNA techniques, the advent of monoclonal antibodies and progress in our understanding of the immunological structure of proteins, have laid the foundations for a new generation of vaccines. For instance, subuni t vaccines have been produced through gene cloning and a number of peptides mimicking small regions of proteins on the outer coat of viruses and capable of eliciting virus neutralizing antibodies, have been synthes ized. Such vaccines are defined at the molecular level, can elicit immune responses controlling specific infectious organisms and are, thus, potent ially free of the problems inherent in conventional ones. However, because subunit and peptide vaccines are only weakly or non-immunogenic, they re quire the presence of immunological adjuvants. These are a diverse array of agents that promote specific humoural and/or cell-mediated immunity responses to antigens. This book contains the proceedings of the 1st NATO Advanced Studies Institute "Immunological Adjuvants and Vaccines" held in Cape Sounion Beach, Greece during 24 June-5 July, 1988.
The success of vaccination in controlling infectious diseases is well documented. However, low profitability, expense and liability have hindered research and development of vaccines. Recently, increasing realization (enhanced by the AIDS pandemic) of the need to overcome such difficulties has led to steps being taken by national authorities, non-profit and commercial organizations to resolve them. This has been facilitated by developments in recombinant DNA techniques, the advent of monoclonal anti bodies and progress in the understanding of the immunological structure of proteins which have laid the foundation of a new generation of vaccines. Such vaccines are defined at the molecular level, can elicit immune responses controlling infectious organisms and are therefore potentially free of the problems encountered in conventional ones. Unfortunately, subunit and synthetic peptide vaccines are often only weakly or non inmunogenic. However, developments in both antigen production and immuno potentiation of weak antigens have opened new avenues with exciting prospects for vaccine design.
TheNATO AdvancedStudiesInstituteseries"TargetingofDrugs"wasoriginatedin 1981. It is nowamajorinternationalforum,heldeverytwo yearsin CapeSounion,Greece,in whichthepresentandthefutureofthisimportantareaofresearch in drugdeliveryisdiscussed in greatdepth. PreviousASIsoftheseriesdealtwith drugcarriersofnaturalandsynthetic origin,theirinteractionswith thebiologicalmilieu, waysby whichthefunctionofdrugcarriers iscircumvented and,morerecently,with avarietyofapproaches to carrierdesignor modificationthatcontributeto optimalcarrierfunction. Thepresentbookcontainsthe proceedings ofthe8thNATO ASI, "TargetingofDrugs:Strategies for Oligonucleotideand GeneDelivery in Therapy", held in CapeSounionduring24June-5 July 1995. Asthetitle implies,thebookdealswith avarietyofsystemsin termsoftheirability to transportnucleic acidsto targetareasin vitro andin vivo in waysthateffectivelymodify,supplement, correct, orcurtailthefunctionofgenesin therapy. Weexpressourappreciation to Mrs. ConchaPerringfor herassistance with the organizationoftheASI. TheASI washeldunderthesponsorship ofNATO ScientificAffairs Division andco-sponsored andgenerouslyfinancedby SmithKlineBeechamPharmaceuticals (KingofPrussia). Financialassistance wasalsoprovidedby SandozPharma(Baseland Athens),GeneMedicine (Houston,USA), ChironCorporation(Emeryville,USA), BYK GuldenLombergChemische (Konstanz,Gernlany),HelpSA(Athens,Greece),Avanti Polar Lipids Inc (Birmingham,USA), OxfordMolecular(Oxford,UK), Pfizer(Kent,UK), andAlza Corporation(PaloAlto, USA). GregoryGregoriadis BrendaMcCormack v CONTENTS Gene Therapy for Inherited Genetic Disease: Possibilities and Problems c. *Coutelle Gene Delivery and Therapy: The Case for Cystic Fibrosis 15 E. W. F. W. Alton Immune Responses with Direct Gene Transfer: DNA Vaccines and 21 Implications for Gene Therapy H. L. Davis Oligonucleotides: Molecular Versions for Optimal Use in Vivo 31 E. Saison-Behmoaras, A. Van Aerschot, I. Duroux, C. Hendrix, C. Helene, and P. Herdewijn Retrovirus Vectors in Gene Therapy: Targeting to Specific Cells 45 AJ. Kingsman, Y. Bae, J. c. Griffiths, N. Kim, E. E. Ramsdale, G. Romano, Y. Soneoka, P. M. Cannon, and S. M. Kingsman Adenovirus as Vectors for Gene Therapy 53 M. G. Lee Receptor-Mediated Gene Delivery with Synthetic Virus-like Particles 67 E. Wagner, M. Cotten, and K. Zatloukal Controllable Gene Therapy: Recent Advances in Non-Viral Gene Delivery 79 A.
It is widely accepted that vaccination still renains the best answer to ITDst infectious diseases. Recently, vaccine developnent has been greatly facilitated by advances in ITDlecular and cell biology which have laid the foundations of a new generation of vaccines. '!hese are exemplified by submit vaccines produced through gene cloning and synthetic peptides mimicking snall regions of proteins on the outer coat of viruses and capable of eliciting virus neutralizing antibodies. However, submit and peptide vaccines are only weakly or non-inmmogenic in the absence of immunological adjuvants. The latter are a diverse array of agents that augment specific cell-mediated immune responses to the antigens and the formation of protective antibodies. '!his book contains the proceedings of the 3rd NATO Advanced Studies Institute (ASI) "New-Generation vaccines: '!he Role of Basic Irrmmology" held at Cape Sounion Beach, Greece, during 24 June-5 July, 1992. It deals with recent developnents in the understanding of inmmity at the ITDlecular and cellular levels and the application of such knowledge in the search for novel inmmological adjuvants and the fonnulation of new-generation vaccines for experimental and clinical use. We express our appreciation to Professor K. Dalsgaard and H. Snippe for their cooperation in planning the ASI and to Mrs. Concha Perring for her excellent production of the manu- scripts. '!he ASI was held tmder the sponsorship of NATO Scientific Affairs Division and generously co-sponsored by SrnithKline Beecham Pharmaceuticals (Fhiladelp,. ia). Financial assistance was also provided by Pasteur Merieux (Marcy L'Etoile), British Biotechnology Ltd.
The NATO Advanced Studies Institute series "Targeting of Drugs" was originated in 1981. It is now a major international forum, held every two years in Cape Sounion, Greece, in which the present and the future of this important area of research in drug carriers is discussed in great depth. Four previous ASls of the series dealt with drug carriers of natural and synthetic origin, their interaction with the biological milieu and with ways by which the latter influences such interaction. The present book contains the proceedings of the 5th NATO ASI "Targeting of Drugs: Optimization Strategies" held in Cape Sounion during 24 June-5 July, 1989. A logical sequel to the last one, the ASI deals with strategies by which milieu inter- ference curtailing the function of drug carriers is circumvented or removed. We express our appreciation to Drs. R. Langer and E. Tomlinson for their valuable advice throughout the planning of the ASI and to Dr. G. Deliconstantinos who, as Chairman of the Local Committee contributed so effectively to its success. The ASI was held under the sponsorship of NATO Scientific Affairs Division and co-sponsored and generously financed by Smith Kline French Laboratories (now SmithKline Beecham), Philadelphia, USA. Financial assistance was also provided by CIBA Geigy (Horsham), Schering (West Berlin), Farmitalia Carlo Erba (Milan), Liposome Technology Inc. (Menlo Park), Pfizer (Sandwich), Dior (Paris), Syntex Research (Palo Alto), ICI Pharmaceuticals (Mereside), Boehringer (Mannheim) , Wyeth (Taplow), Merck Sharp Dohme (Rahway), Sandoz A.G. (Basle) and Lilly Research Centre Ltd.
A major vehicle for the transition of carrier-mediated drug delivery from a theoretical/experimental status to one with practical uses has been the NATO Advanced Studies Institute series "Targeting of Drugs." Three previous ASls of the series 1-3], also held in Cape Sounion, dealt with carriers of natural and synthetic origin, their preparation and drug incorporation as well as a wide range of applications. This book contains the proceedings of the 4th NATO ASI "Targeting of Drugs: Anatomical and Physiological Considerations" held in Cape Sounion, Greece during 20 June - 1 July 1987. Historically, carrier systems have been chosen on the basis of selective affinity for target sites. For instance, monoclonal antibodies bind selectively to antigens on the surface of cells and the same applies to ligands such as certain glycoproteins which bind to cell receptors. Colloidal carriers on the other hand, are "passively" targeted to the reticuloendothelial system. However, effective drug delivery depends not only on demonstration of affinity of the carrier system for its target but also, and perhaps crucially, on the way(s) by which the carrier-drug entity interacts with the interposed biological milieu. The book deals in depth with a number of biological milieus as travelled space for carriers en route to their destination, difficulties arising from unfavorable milieu-carrier interactions and ways to circumvent such difficulties. It also identifies, when possible, situations where proposed uses would or would not be realistic and provides perspectives for future goals.
Liposome Technology, Volume III: Interactions of Liposomes with the Biological Milieu, Third Edition, is a comprehensively updated and expanded new edition of a classic text in the field. Including step-by-step technical details, Volume III describes technologies for yielding liposomes that can function in a targeted fashion, and highlights methods for studying the interaction of liposomes within the biological environment to be applied in the detection, therapy, or prevention of disease. This source also offers critical discussions of the methodologies of each technology described so that readers can examine the benefits and limitations and compare it to other approaches.
During the last decade or so vaccine development has been facilitated by rapid advances in molecular and cell biology. These have laid the foundations of a new generation of vaccines exemplified by subunit vaccines produced through gene cloning and by synthetic peptides mimicking small regions of proteins on the outer coat of viruses. Such peptide~ are capable of eliciting virus-neutralizing antibodies. Unfortunately, subunit and peptide vaccines are only weakly or non immunogenic in the absence of immunological adjuvants that are known to augment specific cell-mediated immune responses to the antigens and to promote the formation of protective antibodies. This book contains the proceedings of the 4th NATO Advanced Studies Institute (ASI) "Vaccines: New Generation Immunological Adjuvants" held at Cape Sounion Beach, Greece, during 24 June -5 . July 1994 and deals in depth with both theoretical and practical aspects of vaccinology. These include the role of antigen presenting cells in the induction of immune responses. immunopotentiation by a variety of new generation immunological adjuvants and vaccine carriers. and recent advances and perspectives in experimental vaccines as well as vaccinatioll with nucleic acids. We express our appreciation to Dr. K. Dalsgaard and Dr. J. L. Virelizier for their cooperatioll in planning the ASI and to Mrs. Concha Pening for her excellent production of the manuscripts. The ASI was held under the sponsorship of NATO Scientific Affairs Division and generously co-sponsored by SmithKline Beecham Pharmaceuticals (Philadelphia).
During the last decade or so vaccine development has been facilitated by rapid ad- vances in the molecular and cell biology ofthe immune system. This has laid the foundations of a new generation of vaccines exemplified by subunit vaccines produced through gene cloning and by synthetic peptides mimicking small regions ofproteins on the outer coat ofvi- ruses. However, as subunit and peptide vaccines are only weakly or non-immunogenic, there is areal need for strategies to improve their potency. This book contains the proceedings of the 5th NATO Advanced Studies Institute (ASI), "Vaccine Design: The Role of Cytokine Networks," held at Cape Sounion Beach, Greece, during 24 June-5 July 1996 and deals in depth with the role ofbasic immunology in the regulation of immunity and vaccine design. Special emphasis is given to the use of cyto- kines in conjuction with vaccines with the aim ofimproving their potency or the use ofvac- cines designed to improve cytokine production. We express our appreciation to Dr. J.-L. Virelizier and Dr. G. Kollias for their cooperation in planning the ASI and to Mrs. Concha Perring for her excellent production ofthe manuscripts. The ASI was held under the sponsor- ship of NATO Scientific Affairs Division and generously co-sponsored by SmithKline Beecham Pharmaceuticals (Philadelphia). Financial assistance was also provided by Connaught Laboratories Ltd. (Ontario), Pasteur Merieux (Marcy I 'Etoile), Biochine (Siena), Help SA (Athens), and Avanti Polar Lipids Inc. (Birmingham, USA).
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