نتایج جستجو برای: leishmania tropica
تعداد نتایج: 13831 فیلتر نتایج به سال:
background: cutaneous leishmaniasis constitutes a major public health problem in many parts of the world including iran. the primary objective of this study was to identify leishmania species in endemic districts of kerman province, south-eastern iran . methods: this study was conducted by random sampling as cross- sectional descriptive between 2008 and 2010. overall, 203 skin scraping smears ...
Leishmania infections involve an acute phase of replication within macrophages, typically associated with pathology. After recovery parasites persist for long periods, which can lead to severe disease upon reactivation. Unlike the role of host factors, parasite factors affecting persistence are poorly understood. Leishmania major lacking phosphoglycans (lpg2-) were unable to survive in sand fli...
Direct drug screening against the mammalian stage of Leishmania has been hampered by cost and the time consuming effort required to accomplish it. The ability to derive transgenic Leishmania expressing reporter genes opened up new possibilities for the development of drug screening tests. Further developments to standardize and gather multiple informations could now be envisionned. We will disc...
sand fly research has a long history in iran beginning with the work of adler, theodor and lourie in 1930 and followed by mesghali’s foundational taxonomic work on sand flies in 1943. since then, research has continued unabated throughout the country and official publications report the existence of at least 44 species of sand flies (26 of the genus phlebotomus and 18 of genus sergentomyia ) in...
Despite the broad distribution of leishmaniasis among Iranians and animals across the country, little is known about the genetic characteristics of the causative agents. Applying both HSP70 PCR-RFLP and sequence analyses, this study aimed to evaluate the genetic diversity and phylogenetic relationships among Leishmania spp. isolated from Iranian endemic foci and available reference strains. A t...
BACKGROUND & OBJECTIVES An entomological study using CDC miniature light-traps was performed in El Hanchane locality, where cutaneous leishmaniasis (CL) was emerging during the summer of 2011. The aim of this study is to identify the vectors of Leishmania and of phleboviruses. METHODS In the field, a total of 643 sandfly specimens were collected, identified by morphological keys and categoriz...
The in vitro growth of promastigote cells of Leishmania amazonensis was found to strongly depend on interactions among strains that differed in their pentamidine resistance. In particular, the growth of resistant strains was reduced when they shared the same environment with a less-resistant strain.
Background and objective : Cutaneous leishmaniasis is an endemic diseases with important public health in Iran. The cinical signs of disease were seen as dry and wet forms. It is essential to distinguish leishmania species in every area for designing control of diseases. The morphology of leishman bodies in each speiecis are very similar and need to sensitive diagnostic method such as PCR to di...
The most common form of the disease is cutaneous leishmaniasis (CL) which is a public health and social problem in many countries especially Iran. In endemic areas where other diseases with similar clinical symptoms occur, definitive diagnosis of CL is very important. The detection and identification of Leishmania in infected patients is crucial for achieving a correct treatment and prognosis. ...
This study aimed to evaluate the in vitro and in vivo leishmanicidal activity of an endemic Turkish plant and compare its efficacy with a reference drug. In addition to the in vitro activities of the ethanol, acidified and alkaloid extracts and furoquinoline alkaloids skimmianine and gamma-fagarine, in vivo antileishmanial activitiy of the acidified extract of Haplophyllum myrtifolium Boiss. (R...
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