نتایج جستجو برای: mycobacterium leprae
تعداد نتایج: 46445 فیلتر نتایج به سال:
Diaminodiphenylsulfone (dapsone) has long been used as a first-line drug worldwide for the treatment of leprosy. Diagnosis for dapsone resistance of Mycobacterium leprae by DNA tests would be of great clinical value, but the relationship between the nucleotide substitutions and susceptibility to dapsone must be clarified before use. In this study, we constructed recombinant strains of cultivabl...
The repertoires of CD1- and MHC-restricted T cells are complementary, permitting the immune recognition of both lipid and peptide Ags, respectively. To compare the breadth of the CD1-restricted and MHC-restricted T cell repertoires, we evaluated T cell responses against lipid and peptide Ags of mycobacteria in leprosy, comparing tuberculoid patients, who are able to restrict the pathogen, and l...
Mycobacterium leprae isolates from Thai leprosy patients were typed for strain differentiation and analysis of leprosy transmission using the six base tandem repeat, GACATC, in rpoT gene and TTC repeat as genetic markers. M. leprae DNA was isolated from skin biopsies of new untreated leprosy patients living in remote areas or in suburban regions of Thailand where leprosy is in low prevalence. I...
OBJECTIVES Leprosy transmission remains poorly understood, though, prolonged skin contact and/or infection via nasal mucosa, are considered likely. Problematic in any transmission hypothesis is the fastidious nature of Mycobacterium leprae outside its host cell and the requirement for temporary survival in the environment, soil or water. Experiments were carried out to test the hypothesis that ...
In this article, we report on 2 indigenous cases of leprosy detected in a European country. We also report on the use of polymerase chain reaction-restriction fragment length polymorphism analysis of hsp65 gene for rapid identification of Mycobacterium leprae directly from the clinical sample.
Leprosy is a chronic dermato-neurological disease caused by infection with Mycobacterium leprae. In 2013 almost 200,000 new cases of leprosy were detected around the world. Since the first symptoms take from years to decades to appear, the total number of asymptomatic patients is impossible to predict. Although leprosy is one of the oldest records of human disease, the mechanisms involved with ...
The Examination and the Determination of the Viability of Mycobacterium Leprae by Electronmicroscopy
The appearance of M. lepraemurium as seen by electronmicro scopy has been described by McFadzean and Valentine (1958-9). Two forms of the bacilli were observed, one the normal form (Fig. 1 ) and the other a degenerate non-viable form (Fig . 2). It was shown that an estimate of the percentage of degenerate forms present gave an indication as to the viability of a suspension. This paper describe...
Mycobacterium aurum (M. aurum) is an environmental mycobacteria that has previously been used in studies of anti-mycobacterial drugs due to its fast growth rate and low pathogenicity. The M. aurum genome has been sequenced and assembled into 46 contigs, with a total length of 6.02Mb containing 5684 annotated protein-coding genes. A phylogenetic analysis using whole genome alignments positioned ...
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