نتایج جستجو برای: leishmania major
تعداد نتایج: 629012 فیلتر نتایج به سال:
Human infection with different species of Leishmania leads to distinct clinical manifestations, ranging from relatively mild cutaneous (Leishmania braziliensis) to severe visceral (Leishmania infantum) forms of leishmaniasis. Here, we asked whether in vitro infection of human monocytes by Leishmania strains responsible for distinct clinical manifestations leads to early changes in immunological...
Host protection against several intracellular pathogens requires the induction of CD8(+) T cell responses. CD8(+) T cells are potent effector cells that can produce high amounts of pro-inflammatory cytokines and kill infected target cells efficiently. However, a protective role for CD8(+) T cells during Leishmania infections is still controversial and largely depends on the infection model. In ...
This paper is focused on the transmission dynamics and optimal control of Anthroponotic Cutaneous Leishmania. The threshold condition R0 for initial transmission of infection is obtained by next generation method. Biological sense of the threshold condition is investigated and discussed in detail. The sensitivity analysis of the reproduction number is presented and the most sensitive parameters...
introduction: zoonotic cutaneous leishmaniasis(zcl) is one of the most important parasitic diseases in iran and common in rural districts of half of the 30 provinces of the country. in recent years, zcl has become a serious and increasing public health problem in yazd province. following the epidemic of cl in khatam county of yazd province, this study was carried out to determine the animal res...
objective(s) several antigens, adjuvants and delivery systems have been evaluated for induction of protective immune responses against leishmaniasis, but most of them have been inefficient. in this study, plga nanospheres as antigen delivery system cpg-odn as an immunoadjuvant for increasing the immune responses against autoclaved leishmania major (alm) were prepared and characterized. material...
objective(s):development of new generation of vaccines against leishmaniasis is possible because long-term protection is usually seen after recovery from cutaneous leishmaniasis. iscomatrix is particulate antigen delivery system composed of antigen, cholesterol, phospholipid and saponin. in this study, the role of iscomatrix bilayer composition made by different phase transition temperature (tc...
background: cutaneous leishmaniasis is one of the most important parasitic diseases in humans. in this disease, one of the responsible organisms is leishmania major, which is transmitted by sandfly vector. there are specific differences in biochemical profiles and metabolite pathways in logarithmic and stationary phases of leishmania parasites. in the present study, 1h nmr spectroscopy was used...
background: leishmania is an obligatory intracellular protozoan parasite, which infects human beings when infected sand fly vector takes a blood meal. most efforts are towards designing an effective vaccine to prevent leishmaniasis. in this way, development of candidate antigen for vaccine has special important. in this study, we cloned mannose-1-phosphate guanyltransferase gene of iranian ...
objective(s): iscomatrix vaccines have now been shown to induce strong antigen-specific cellular or humoral immune responses to a broad range of antigens of viral, bacterial, parasite or tumor. in the present study, we investigated the role of iscomatrix charge in induction of a th1 type of immune response and protection against leishmania major infection in balb/c mice. materials and methods:...
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