نتایج جستجو برای: leishmania majorartemisia auchery boissbalbc miceherbal extractglucantime
تعداد نتایج: 13648 فیلتر نتایج به سال:
Molecular methods such as PCR have become attractive tools for diagnosis of cutaneous leishmaniasis (CL), both for their high sensitivity and for their specificity. However, their practical use in routine diagnosis is limited due to the infrastructural requirements and the lack of any standardization. Recently, a simplified and standardized PCR format for molecular detection of Leishmania was d...
In 2008 and 2009, an outbreak of desert-subtype zoonotic visceral leishmaniasis occurred in Jiashi county, Xinjiang, China. So far, no animal reservoir has been identified for this type of visceral leishmaniasis. Therefore, we surveyed the most common mammals (wild and domestic) for Leishmania infections during the outbreak in 2008 and 2009 in order to identify the source of the visceral leishm...
BACKGROUND Leishmania (Viannia) species are the principal cause of mucosal leishmaniasis. The natural history and pathogenesis of mucosal disease are enigmatic. Parasitological evaluation of mucosal tissues has been constrained by the invasiveness of conventional sampling methods. METHODS We evaluated the presence of Leishmania in the mucosa of 26 patients with cutaneous leishmaniasis and 2 p...
Protozoan parasites of Leishmania spp. invade macrophages as promastigotes and differentiate into replicative amastigotes within parasitophorous vacuoles. Infection of inbred strains of mice with Leishmania major is a well-studied model of the mammalian immune response to Leishmania species, but the ultrastructure and biochemical properties of the parasitophorous vacuole occupied by this parasi...
Infection by the human protozoan parasite Leishmania can lead, depending primarily on the parasite species, to either cutaneous or mucocutaneous lesions, or fatal generalized visceral infection. In the New World, Leishmania (Viannia) species can cause mucocutaneous leishmaniasis (MCL). Clinical MCL involves a strong hyper-inflammatory response and parasitic dissemination (metastasis) from a pri...
In a previous work we showed a remarkable conservation of the general structure of the genome (chromo-some number and synteny) among different pathogenic species of Old World Leishmania, indicating the absence of major interchromosomal rearrangements during evolution. In the present study, we have compared the fine structure of chromo-some 5 among two of these divergent species (Leishmania majo...
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 toxicity...
Canine leishmaniasis (CanL) is a chronic fatal disease of dogs and a major source of human infection through propagation of parasites in vectors. Here, we infected 8 beagles through multiple experimental vector transmissions with Leishmania infantum-infected Lutzomyia longipalpis. CanL clinical signs varied, although live parasites were recovered from all dog spleens. Splenic parasite burdens c...
Leishmania (Leishmania) infantum is the main etiologic agent of visceral leishmaniasis in American continent. We report a rare case of cutaneous leishmaniasis caused by viscerotropic specie in a patient with ankylosing spondylitis on treatment with adalimumabe and methotrexate. The patient presented no signs of visceral involvement. PCRRFLP and genetic sequencing demonstrated Leishmania (Leishm...
Previously, we showed in Leishmania infections that extrinsic insulin-like growth factor (IGF)-I favored Leishmania proliferation and leishmaniasis development. In this study, the interaction of intrinsically expressed IGF-I and Leishmania (Leishmania) major in macrophages was addressed, and a key finding was the observation, using confocal microscopy, of the co-localization of IGF-I and parasi...
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