نتایج جستجو برای: leishmania vaccine
تعداد نتایج: 121295 فیلتر نتایج به سال:
Numerous experimental vaccines have been developed to protect against the cutaneous and visceral forms of leishmaniasis caused by infection with the obligate intracellular protozoan Leishmania, but a human vaccine still does not exist. Remarkably, the efficacy of anti-Leishmania vaccines has never been fully evaluated under experimental conditions following natural vector transmission by infect...
Leishmaniasis causes significant morbidity and mortality worldwide and is an important public health problem. Even though it is endemic in developing countries in tropical regions of the world,in recent years economic globalization and increased travel has extended its reach to people in developed countries. Leishmania is usually spread by the bite of the female sandfly. In addition, naïve popu...
Leishmaniasis is one of the major health problems and categorized as a class I disease (emerging and uncontrolled) by World Health Organization (WHO), causing highly significant morbidity and mortality. Indeed, more than 350 million individuals are at risk of Leishmania infection, and about 1.6 million new cases occur causing more than 50 thousands death annually. Because of the severe...
Background and Aim: Leishmania major p4 gene is normally expressed during amastigote form of the parasite and can be a good candidate for producing an effective vaccine. The aim of this study is to clone p4 gene in a suitable vector for further vaccine production studies .Materials and Methods: This is an experimental study. Leishmania promastigote was grown in N.N.N. medium and later in th...
Over the last decade, there has been a flurry of research on adjuvants for vaccines, and several novel adjuvants are now licensed products or in late stage clinical development. The success of adjuvants in enhancing the immune response to antigens has led many researchers to re-focus their vaccine development programs. Although several vaccine candidates have been tested against leishmaniasis, ...
In vitro cultivation of Leishmania parasites plays an important role in diagnosis and treatment leishmaniasis vaccine drug development studies. There is no information about the effects urine within culture on infectivity parasites. In this study we used two media with different overlays to enhance growth rates donovani.
The notion that previous infection by Leishmania spp. in endemic areas leads to robust anti-Leishmania immunity, supports vaccination as a potentially effective approach to prevent disease development. Nevertheless, to date there is no vaccine available for human leishmaniasis. We optimized and assessed in vivo the safety and immunogenicity of an innovative vaccine candidate against human visce...
Leishmaniases are a group of sand fly-borne diseases caused by protozoan parasites from species of Leishmania genus. These diseases are reported in about 100 countries with a prevalence of 12 million people infected and incidence of 2 million people per year, putting approximately 350 million people at risk of the infections. Leishmaniases are endemic and are considered as important public heal...
Leishmania amazonensis parasites are etiological agents of cutaneous leishmaniasis in the New World. BALB/c mice highly susceptible to L. challenge due their inability mount parasite-dependent IFN-γ-mediated responses. Here, we analyzed capacity a single administration LiΔHSP70-II genetically-modified attenuated infantum line preventing challenged with virulent parasites. In previous studies, t...
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