نتایج جستجو برای: cutaneous leishmania
تعداد نتایج: 65569 فیلتر نتایج به سال:
Two oligonucleotide primers Lsmc1 and Lsmv1 derived from the conserved and the variable region of a major class kinetoplast DNA (kDNA) minicircle (pLURkE3) of Leishmania strain UR6 were used for the polymerase chain reaction (PCR) in order to amplify a 461-bp fragment from the kDNAs of different Leishmania species. These primers amplify the specific fragment from the kDNAs of cutaneous species ...
Diffuse cutaneous leishmaniasis (DCL) is characterized by the presence of numerous nonulcerated nodules and plaques containing large numbers of Leishmania amazonensis parasites and few lymphoid elements. The immune responses of DCL patients reflect severe antigen-specific T-cell deficiencies, while the antibody response to Leishmania antigens is often accentuated. We report herein on the Leishm...
BACKGROUND The goal of this study was to know the identity of Leishmania species responsible of cutaneous leishmaniasis (CL) in Fars Province, southern Iran. METHODS Five counties of Shiraz, Firouz Abad, Ghir-Karzin, Farashband and Larestan were prospected. Forty-four patients exhibiting cutaneous lesions were selected. Samples collected on skin lesions were examined both microscopically (aft...
Leishmaniasis is a family of diseases caused by protozoan parasites of the genus Leishmania. Various Leishmania species can cause human infection, producing a spectrum of clinical manifestations. The current treatments are unsatisfactory, and in absence of a vaccine, there is an urgent need for effective drugs to replace/supplement those currently in use. Recent studies have shown that the anti...
Cutaneous leishmaniasis caused by various species of Leishmania is a significant zoonotic disease in many parts of the world. We describe the first cases of Australian cutaneous leishmaniasis in eight northern wallaroos, one black wallaroo and two agile wallabies from the Northern Territory of Australia. Diagnosis was made through a combination of gross appearance of lesions, cytology, histolog...
Leishmania parasites cause a broad range of disease, with cutaneous afflictions being, by far, the most prevalent. Variations in disease severity and symptomatic spectrum are mostly associated to parasite species. One risk factor for the severity and emergence of leishmaniasis is immunosuppression, usually arising by coinfection of the patient with human immunodeficiency virus (HIV). Interestin...
Leishmania parasites cause a broad range of disease, with cutaneous afflictions being, by far, the most prevalent. Variations in disease severity and symptomatic spectrum are mostly associated to parasite species. One risk factor for the severity and emergence of leishmaniasis is immunosuppression, usually arising by coinfection of the patient with human immunodeficiency virus (HIV). Interestin...
Cutaneous leishmaniasis is a group of diseases with vast clinical polymorphism produced by protozoa of the genus Leishmania, that is acquired through the bite of sandflies. It is an endemic zoonosis in Spain, being the dog the main reservoir. In our country all forms of leishmaniasis are due to Leishmania infantum species, that usually produces mild lesions in uncovered areas, mainly in childre...
Deregulated CD8+ T cell cytotoxicity plays a central role in enhancing disease severity in several conditions. However, we have little understanding of the mechanisms by which immunopathology develops as a consequence of cytotoxicity. Using murine models of inflammation induced by the protozoan parasite leishmania, and data obtained from patients with cutaneous leishmaniasis, we uncovered a pre...
An active case detection approach with PCR diagnosis was used in the Ho District of the Volta Region, Ghana that identified individuals with active cutaneous leishmaniasis. Three isolates were successfully cultured and DNA sequences from these were analysed (ribosomal RNA internal transcribed spacer 1; ribosomal protein L23a intergenic spacer; RNA polymerase II large subunit), showing them to b...
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