نتایج جستجو برای: vaccine delivery
تعداد نتایج: 310743 فیلتر نتایج به سال:
Traditionally, cell-mediated immune responses to vaccination in animal models are evaluated by invasive techniques such as biopsy and organ extraction. We show here that by combining two noninvasive imaging technologies, MRI and bioluminescence imaging (BLI), we can visualize both the afferent and efferent arms of cellular events following vaccination longitudinally. To this end, we evaluated t...
Chlamydia trachomatis (Ct) is the leading cause of sexually transmitted diseases worldwide. There is no safe and effective vaccine to control the spread of Ct. In development of Ct vaccine, selection of appropriate candidate antigens and an effective delivery system may be the main challenges. Multi-epitope of major outer membrane protein (MOMPm) is the most suitable candidate for a Ct vaccine,...
DNA-loaded polypeptide particles are prepared via templated assembly of mesoporous silica for the delivery of adjuvants. The elasticity and cargo-loading capacity of the obtained particles can be tuned by the amount of cross-linker used to stabilize the polypeptide particles. The use of polypeptide particles as biocarriers provides a promising method for vaccine delivery.
OBJECTIVE Intranasal influenza vaccine has proven clinical efficacy and may be better tolerated by young children and their families than an injectable vaccine. This study determined the potential cost-effectiveness (CE) of an intranasal influenza vaccine among healthy children. METHODS We conducted a CE analysis of data collected between 1996 and 1998 during a prospective 2-year efficacy tri...
This study examined a social movement in the digitalized world along with its role public policy process. The research focused on how was accessed and spread, knowledge formed Facebook so that it could influence success or failure of certain policy. It is essential to further explore mobilized through movements as enrich theories governance policies. In this study, content analysis ued. results...
Intradermal (ID) vaccination can offer improved immunity and simpler logistics of delivery, but its use in medicine is limited by the need for simple, reliable methods of ID delivery. ID injection by the Mantoux technique requires special training and may not reliably target skin, but is nonetheless used currently for BCG and rabies vaccination. Scarification using a bifurcated needle was exten...
Francisella tularensis is a facultative intracellular pathogen, and is the causative agent of a fatal human disease known as tularemia. F. tularensis is classified as a Category A Biothreat agent by the CDC based on its use in bioweapon programs by several countries in the past and its potential to be used as an agent of bioterrorism. No licensed vaccine is currently available for prevention of...
It is important when developing new vaccine systems to give proper attention to the question of delivery. In some cases the judicious choice of a delivery system can provide a greatly enhanced immune response and avoid the need to use a vaccine adjuvant. Delivery systems that have been developed originally for the administration of challenging drug can be used with success for vaccines. Polymer...
Despite more than two decades of research and development on nucleic acid vaccines, there is still no commercial product for human use. Taking advantage of the recent innovations in systemic delivery of short interfering RNA (siRNA) using lipid nanoparticles (LNPs), we developed a self-amplifying RNA vaccine. Here we show that nonviral delivery of a 9-kb self-amplifying RNA encapsulated within ...
Mucosal surfaces of the body provide a universal entry portal for all known and emerging infectious pathogenic microbes. Therefore, it seems that special vaccination strategies are needed for vaccines that can hinder the entry capability of pathogenic microbes through the mucosal surfaces. Lactic acid bacteria are widely used in the food industry and are presently applied as delivery vehicles i...
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