نتایج جستجو برای: antimonial resistance
تعداد نتایج: 375412 فیلتر نتایج به سال:
The polyamines putrescine, spermidine, and spermine are organic cations that are required for cell growth and differentiation. Ornithine decarboxylase (ODC), the first and rate-limiting enzyme in the polyamine biosynthetic pathway, catalyzes the conversion of ornithine to putrescine. As the polyamine biosynthetic pathway is essential for the growth and survival of Leishmania donovani, the causa...
Background: Currently, there are no effective vaccines against leishmaniasis, and treatment using pentavalent antimonial drugs is occasionally effective and often toxic for patients. The PTR1 enzyme, which causes antifolate drug resistance in Leishmania parasites encoded by gene pteridine reductase 1 (ptr1). Since Leishmania lacks pteridine and folate metabolism, it cannot synthesize the pterid...
Chronic hepatitis C virus (HCV) infection is a worldwide health problem causing serious complications, such as liver cirrhosis and hepatoma. Alpha interferon (IFN-alpha) or its polyethylene glycol-modified form combined with ribavirin is the only recommended therapy. However, an alternative therapy is needed due to the unsatisfactory cure rate of the IFN-based therapy. Using a modified reporter...
Background and aim: Complications and resistance to pentavalent antimonial agents in cutaneous leishmaniasis, exhibit the need for effective alternative drugs. The aim of this study was to compare the efficacy of oral azithromycin with systemic meglumine antimoniate (Glucantime) in the treatment of cutaneous leishmaniasis. Materials and Methods: Forty-seven patients with cutaneous leishmaniasis...
BACKGROUND Post kala azar dermal leishmaniasis (PKDL) is a disease that appears after treatment of visceral leishmaniasis (VL). The highest incidence of PKDL in the world is in Sudan. Many patients heal spontaneously within 6 months but those who don't are difficult to treat, often requiring months of daily injections. These patients harbour parasite in their skin and are believed to be a sourc...
During the last decade miltefosine (MIL) has been used as first-line treatment for visceral leishmaniasis in endemic areas with antimonial resistance, but a decline in clinical effectiveness is now being reported. While only two MIL-resistant Leishmania infantum strains from HIV co-infected patients have been documented, phenotypic MIL-resistance for L. donovani has not yet been identified in t...
Leishmania spp. are vector-borne flagellates transferred by sand flies. They cause cutaneous, mucocutaneous and visceral infections in mammals, especially in humans and dogs. A mature male boxer with ulcerative nodules around his eyes and snout was referred to Small Animal Hospital, Faculty of Veterinary Medicine, University of Tehran. Multiple cutaneous lesions were seen in physical examinatio...
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