Mitochondrial Proteomics of Antimony and Miltefosine Resistant Leishmania infantum
نویسندگان
چکیده
منابع مشابه
Mitochondrial Proteomics of Antimony and Miltefosine Resistant Leishmania infantum
Antimony (SbIII) and miltefosine (MIL) are important drugs for the treatment of Leishmania parasite infections. The mitochondrion is likely to play a central role in SbIII and MIL induced cell death in this parasite. Enriched mitochondrial samples from Leishmania promastigotes selected step by step for in vitro resistance to SbIII and MIL were subjected to differential proteomic analysis. A sha...
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BACKGROUND Antimonials remain the primary antileishmanial drugs in most developing countries. However, drug resistance to these compounds is increasing and our understanding of resistance mechanisms is partial. METHODS/PRINCIPAL FINDINGS In the present study, quantitative proteomics using stable isotope labelling of amino acids in cell culture (SILAC) and genome next generation sequencing wer...
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OBJECTIVES Apoptosis is the process of programmed cell death (PCD) that occurs in both animal and plant cells. Protozoan parasites possess metacaspase and these caspase-related proteases could be involved in the PCD pathways in these organisms. Therefore we analyzed the activities of metacaspase and PARP genes in Leishmania infantum (MCAN/IR/96/LON49) treated with miltefosine. MATERIALS AND M...
متن کاملLower nitric oxide susceptibility of trivalent antimony-resistant amastigotes of Leishmania infantum.
We previously documented the induction of Leishmania amastigote apoptosis by trivalent antimony (SbIII) and nitric oxide (NO). We demonstrate here that SbIII-resistant amastigotes were resistant to NO toxicity when delivered extracellularly by NO donors or intracellularly via macrophage activation. Shared biochemical targets for SbIII and NO resistance in Leishmania are discussed.
متن کاملIncreased thiol levels in antimony-resistant Leishmania infantum isolated from treatment-refractory visceral leishmaniasis in Brazil
BACKGROUND Treatment-refractory visceral leishmaniasis (VL) has become an important problem in many countries. OBJECTIVES We evaluated the antimony-resistance mechanisms of Leishmania infantum isolated from VL patients refractory or responsive to treatment with pentavalent antimony. METHODS Strains isolated from antimony-refractory patients (in vitro antimony-resistant isolates) and antimony-re...
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ژورنال
عنوان ژورنال: Proteomes
سال: 2015
ISSN: 2227-7382
DOI: 10.3390/proteomes3040328