Measles Virus Nucleoprotein
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Measles Virus Nucleoprotein
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Author : Sonia Longhi
language : en
Publisher: Nova Publishers
Release Date : 2007
Measles Virus Nucleoprotein written by Sonia Longhi and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Measles virus categories.
Measles virus possesses a non segmented, single stranded, negative sense RNA genome that is encapsidated by the nucleoprotein to form a helical nucleocapsid. This ribonucleoproteic complex is the substrate for both transcription and replication. The RNA-dependent RNA polymerase binds to the nucleocapsid template via its co-factor, the phosphoprotein. This book focuses on the main structural information available on the nucleoprotein, showing that it consists of a structured core (NCORE) and of an intrinsically disordered C-terminal domain (NTAIL). The functional implications of the disordered nature of NTAIL are discussed in light of the ability of disordered regions to establish interactions with multiple partners, thus leading to multiple biological effects. Indeed, beyond the phosphoprotein, NTAIL also interacts with cellular partners, including the major heat shock protein, hsp72, the interferon regulator factor 3, IRF3, and a yet unidentified cellular receptor referred to as NR. This book consists of two chapters devoted to the general functions of the nucleoprotein in transcription and replication and to a detailed overview of its structural properties, and of three chapters focused on the functional relevance of the interaction between NTAIL and its various intracellular and extracellular partners.
Measles Virus Microform Immunoprecipitation And Monoclonal Antibody Production
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Author : David John Paul Rafter
language : en
Publisher: National Library of Canada
Release Date : 1981
Measles Virus Microform Immunoprecipitation And Monoclonal Antibody Production written by David John Paul Rafter and has been published by National Library of Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Immune serums categories.
Antisera to the membrane (M) protein and to the nucleoprotein (NP) of measles virus, were prepared in rabbits. Each of the antisera was characterized by the immunoprecipitation technique and found to be monospecific. These monospecific antisera were used to determine, by indirect immunofluorescence, the cellular location of M-protein and NP during infection. The antiserum to M-protein stained the cytoplasm of Vero cells. The NP antiserum stained both the cytoplasm and nucleus. The NP was found to undergo breakdown in infected cells. This breakdown could be inhibited by aprotinin, a protease inhibitor specific for trypsin and chymotrypsin. As no protease function has been identified for the proteins of measles virus, it is believed that the proteolysis is a cellular function. The significance of proteolytic breakdown in the assembly of measles virus is discussed. Persons who receive inactivated measles vaccine and are subsequently exposed to wild type virus may experience atypical measles. It has been postulated that these individuals are susceptible to atypical measles because the inactivated vaccine fails to induce antibodies to the F-protein as detected by hemolysis-inhibition. Matched (acute and convalescent) serum samples were analyzed by the immunoprecipitation technique. Sera taken during the acute stage of the disease did not precipitate radiolabelled F-protein. Convalescent sera, which had been collected three weeks later, did precipitate the F-protein. The absence of antibodies to F confirms the earlier work obtained by hemolysis inhibition tests. These findings support the concept that atypical measles is the result of an absence of antibodies to F-protein. Once it was recognized that atypical measles appeared following the use of inactivated vaccines, an attenuated virus vaccine was introduced for widespread immunization programs. This vaccine was also used in "catch up" programs to reimmunize individuals who had previously received "killed" vaccine. The value of this "catch up" program was analyzed using matched serum samples obtained from children previously immunized with inactivated virus vaccine, who volunteered for reimmunization with the attenuated vaccine. Since in no case was reimmunization found to result in conversion to the production of antibody to F-protein, the attempt to irradicate atypical measles by this procedure should be re-evaluated. The monoclonal antibody technique was employed to obtain a series of monospecific antibodies to the measles virus proteins. In initial experiments 17 clones secreting antibody to the measles Lee strain were obtained. Of these, two clones have been established as stable cell lines. Both of these clones secrete antibody specific for the NP of the virus.
Measles
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Author : Diane E. Griffin
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-10-30
Measles written by Diane E. Griffin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-30 with Medical categories.
Measles virus, one of the most contagious of all human viruses, has been largely contained by the development and use of a vaccine that was introduced 50 years ago. These two volumes were timed to honor the introduction of the vaccine and to record the enormous advancements made in understanding the molecular and cell biology, pathogenesis, and control of this infectious disease. Where vaccine has been effectively delivered, endemic measles virus transmission has been eliminated. However, difficulties in vaccine delivery, lack of health care support and objection to vaccination in some communities continue to result in nearly 40 million cases and over 300,000 deaths per year from measles.
Measles Virus
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Author : Volker ter Meulen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Measles Virus written by Volker ter Meulen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
Measles, also called the greatest killer of children in history, still annually affects about 50 million individuals and causes close to a million deaths primarily in developing countries. Before the advent of measles vaccine some 30 years ago, these figures were roughly three times higher. Attenuated measles virus (MV) strains, all quite closely related to the original Edmonston isolate, have a very good record as a safe and highly efficacious vaccine and have brought down the measles toll in industrialized countries to almost negligible levels. However, recent outbreaks in the USA and Europe have again brought the measles problem to public attention. Sadly enough, these outbreaks were more instrumental in inducing activities to drastically reduce and hopefully finally eradicate measles than were the ten thousand times higher number of victims in developing countries. To reach this goal, as detailed in this volume, apparently it is not enough to of the existing vaccine as was the rigorously enforce use case with smallpox eradication: the intricacies of measles disease phenomena, in particular the generalized immune suppression which favors secondary infections, require more basic knowledge of the virus-host interactions and probably the development of new vaccines for special applications such as first immunizations of very young infants in developing countries.
Measles Virus And Its Biology
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Author : K. B. Fraser
language : en
Publisher: Elsevier
Release Date : 2013-09-17
Measles Virus And Its Biology written by K. B. Fraser and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-17 with Medical categories.
Measles Virus and Its Biology deals with the biological and clinical problems of the viral disease, measles. This book also describes the behavior of the measles virus in terms of its immunological, biochemical, or molecular-biological aspects. The authors review the epidemiology and pathogenesis of measles and discuss how the virus flourishes and mobilizes in the human body through a close association with leukocytes and lymphoid organs. Biological characters and genetic markers of the virus can serve to separate different isolates of the measles virus from one another. Radioactive labeling techniques have detected six structural proteins associated with the virus; a schematic diagram in the book shows the structural components and the biochemical dissection of the virus. The authors also discuss that the various immune responses to the virus can be due to "variation in the patient" rather than virus mutation. The authors do not discount that the physiological behavior of the virus such as its location, number, or replication can also affect the host. This text is suitable for the clinical research workers dealing with immunology, infectious diseases, cellular chemistry, or molecular biology.
Morbillivirus Advances In Research And Treatment 2011 Edition
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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2012-01-09
Morbillivirus Advances In Research And Treatment 2011 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-09 with Medical categories.
Morbillivirus: Advances in Research and Treatment: 2011 Edition is a ScholarlyPaper™ that delivers timely, authoritative, and intensively focused information about Morbillivirus in a compact format. The editors have built Morbillivirus: Advances in Research and Treatment: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Morbillivirus in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Morbillivirus: Advances in Research and Treatment: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
The Paramyxoviruses
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Author : David W. Kingsbury
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Paramyxoviruses written by David W. Kingsbury and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
What justifies the size of this compendium of reviews on the paramyxoviruses? As intracellular parasites that reproduce with almost complete indifference to nuclear activities, paramyxoviruses have not been providing insights about genes that regulate cellular activities and development, topics that account for much of the excitement in modem biology. For contributions of virus research to those topics, we must look to the retroviruses, which have the propensity to steal developmentally important genes and subvert them to malignant pur poses, and to the nuclear DNA viruses, whose gene expression depends heavily upon cellular transcription machinery, making them exceptionally useful tools for identifying and characterizing components of that machinery. From this perspective, it may appear that purely lytic viruses like the paramyxoviruses are sitting on the sidelines of contemporary biology. But there is plenty of action on the sidelines. Paramyxoviruses remain unconquered, devastating agents of disease. Human deaths attributable to paramyxoviruses worldwide, especially in children, are numbered in the mil lions annually. There are many pathogenic paramyxoviruses and too few effec tive vaccines, and those vaccines (against measles and mumps) are affordable only by relatively affluent nations. Moreover, the paramyxoviruses are intrin sically interesting organisms, presenting the challenge of understanding the self-replication of RNA and many other challenges peculiar to the structures and functions of their proteins, not only as individual entities, but also as they act in concert during virus reproduction and interact with vital functions of the cells they infect and often (but not always) destroy.
Hunter S Tropical Medicine And Emerging Infectious Diseases E Book
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Author : Edward T Ryan
language : en
Publisher: Elsevier Health Sciences
Release Date : 2019-03-25
Hunter S Tropical Medicine And Emerging Infectious Diseases E Book written by Edward T Ryan and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-25 with Medical categories.
New emerging diseases, new diagnostic modalities for resource-poor settings, new vaccine schedules ... all significant, recent developments in the fast-changing field of tropical medicine. Hunter’s Tropical Medicine and Emerging Infectious Diseases, 10th Edition, keeps you up to date with everything from infectious diseases and environmental issues through poisoning and toxicology, animal injuries, and nutritional and micronutrient deficiencies that result from traveling to tropical or subtropical regions. This comprehensive resource provides authoritative clinical guidance, useful statistics, and chapters covering organs, skills, and services, as well as traditional pathogen-based content. You’ll get a full understanding of how to recognize and treat these unique health issues, no matter how widespread or difficult to control. Includes important updates on malaria, leishmaniasis, tuberculosis and HIV, as well as coverage of Ebola, Zika virus, Chikungunya, and other emerging pathogens. Provides new vaccine schedules and information on implementation. Features five all-new chapters: Neglected Tropical Diseases: Public Health Control Programs and Mass Drug Administration; Health System and Health Care Delivery; Zika; Medical Entomology; and Vector Control – as well as 250 new images throughout. Presents the common characteristics and methods of transmission for each tropical disease, as well as the applicable diagnosis, treatment, control, and disease prevention techniques. Contains skills-based chapters such as dentistry, neonatal pediatrics and ICMI, and surgery in the tropics, and service-based chapters such as transfusion in resource-poor settings, microbiology, and imaging. Discusses maladies such as delusional parasitosis that are often seen in returning travelers, including those making international adoptions, transplant patients, medical tourists, and more.
Flexible Viruses
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Author : Vladimir Uversky
language : en
Publisher: John Wiley & Sons
Release Date : 2012-02-07
Flexible Viruses written by Vladimir Uversky and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-07 with Science categories.
This book provides up-to-date information on experimental and computational characterization of the structural and functional properties of viral proteins, which are widely involved in regulatory and signaling processes. With chapters by leading research groups, it features current information on the structural and functional roles of intrinsic disorders in viral proteomes. It systematically addresses the measles, HIV, influenza, potato virus, forest virus, bovine virus, hepatitis, and rotavirus as well as viral genomics. After analyzing the unique features of each class of viral proteins, future directions for research and disease management are presented.
Vaccines For Biodefense And Emerging And Neglected Diseases
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Author : Alan D.T. Barrett
language : en
Publisher: Academic Press
Release Date : 2009-03-05
Vaccines For Biodefense And Emerging And Neglected Diseases written by Alan D.T. Barrett and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-05 with Science categories.
The last 20 years has seen a rapid increase in infectious diseases, particularly those that are termed "emerging diseases" such as SARS, "neglected diseases" such as malaria and those that are deemed biothreats such as anthrax. It is well-recognized that the most effective modality for preventing infectious diseases is vaccination. This book provides researchers with a better understanding of what is currently known about these diseases, including whether there is a vaccine available or under development. It also informs readers of the key issues in development of a vaccine for each disease. Provides a comprehensive treatise of the agents that are responsible for emerging and neglected diseases and those that can be used as biothreats Includes the processes such as the vaccine development pathway, vaccine manufacturing and regulatory issues that are critical to the generation of these vaccines to the marketplace Each chapter will include a map of the world showing where that particular disease is naturally found