نتایج جستجو برای: infantum
تعداد نتایج: 2207 فیلتر نتایج به سال:
The prevalence of Leishmania infantum-specific antibodies and asymptomatic infection was assessed in a randomized sample of 526 healthy adults from a continental area of northwestern Italy where L. infantum is not endemic and where autochthonous cases of visceral leishmaniasis (VL) were recently reported. L. infantum-specific antibodies were detected by Western blotting (WB) in 39 subjects (7.4...
BACKGROUND The prevalence of Old World Cutaneous Leishmaniasis in the Mediterranean region is increasing and in Southern Europe often caused by Leishmania infantum. Spontaneous healing of cutaneous leishmaniasis is commonly observed, especially if caused by L. major, whereas L. infantum associated lesions have been reported with longer disease duration and decreased tendency for self-limitation...
BACKGROUND Visceral leishmaniasis (VL) is hypoendemic in the Mediterranean region, where it is caused by the protozoan Leishmania infantum. An effective vaccine for humans is not yet available and the severe side-effects of the drugs in clinical use, linked to the parenteral administration route of most of them, are significant concerns of the current leishmanicidal medicines. New drugs are des...
Visceral leishmaniasis (VL) is endemic in Northwest and southern Iran. Reports of cutaneous leishmaniasis (CL) in Northwest areas are rare, and its etiological agents are unknown. In the current study, we report six CL and two post kala-azar dermal leishmaniasis (PKDL) cases caused by Leishmania infantum from endemic areas of VL in the Northwest. Smears were made from skin lesions of 30 suspect...
We report the preliminary results of an epidemiological survey carried out in the locality of Ouled Hcein, province of Taounate (North Morocco) around one visceral leishmaniasis infant case. The strain isolated from the child was characterized by three methods as Leishmania infantum and its isoenzyme pattern was indistinguishable from zymodeme MON-1. The human survey in the locality of origin o...
BACKGROUND There are several methods, such as vaccination, to control visceral leishmaniasis. Although there is no efficient vaccine, it seem DNA vaccination with stimulates both cellular and humoral immunity apparently is the best way. The aim of this study was cloning and expression of LACK gene, a 36kD protein, as a candidate protein for vaccination against Iranian L. infantum. METHODS Ira...
Discrimination of Leishmania infantum and L. donovani, the members of the L. (L.) donovani complex, is important for diagnosis and epidemiological studies of visceral leishmaniasis (VL). We have developed two molecular tools including a restriction fragment length polymorphisms of amplified DNA (PCR-RFLP) and a PCR that are capable to discriminate L. donovani from L. infantum. Typing of the com...
BACKGROUND Heat shock protein 70 (HSP70) is present in all organisms studied so far, and is a major immunogen in infections caused by pathogens including Leishmania spp. OBJECTIVE The aim of this study was to clone and express HSP70 from L. infantum strain MCAN/IR/96/LON-49 and evaluate antibody response against HSP70 in visceral leishmaniasis (VL). METHODS The L. infantum HSP70 gene segmen...
The relationship established between Leishmania infantum and the vertebrate host can lead to a self-healing infection or to the manifestation of visceral leishmaniasis, a chronic systemic infection associated with high rates of mortality. We hypothesized that regulatory cytokines, such as interleukin-27 (IL-27), play a role in susceptibility to L. infantum infection. IL-27 is a heterodimeric cy...
BACKGROUND The leishmanicidal action of tricyclic antidepressants has been studied and evidences have pointed that their action is linked to inhibition of trypanothione reductase, a key enzyme in the redox metabolism of pathogenic trypanosomes. Cyclobenzaprine (CBP) is a tricyclic structurally related to the antidepressant amitriptyline, differing only by the presence of a double bond in the ce...
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