Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1995-7-14
pubmed:abstractText
Strategies to augment conventional methods of drug delivery in treatment of multiple drug resistant tuberculosis are needed to achieve optimum results with available drugs. We have studied the effect of sub-minimum inhibitory concentrations (sub-MIC) of ethambutol and dimethyl sulphoxide on drug susceptibility of Mycobacterium tuberculosis strains both in vitro and in macrophages. At sub-MIC ethambutol between caused four and 64 fold increase in susceptibility to isoniazid rifampicin and streptomycin in four M. tuberculosis strains, resistant to these drugs. Incubation of the organisms with isoniazid and sub-MIC of dimethyl sulphoxide (2.5%) resulted in an eight-fold increase in susceptibility to the drug. Previous exposure of the organisms to sub-MIC of dimethyl sulphoxide also caused similar enhancement of susceptibility. Both ethambutol and dimethyl sulphoxide at the sub-MIC of sulphoxide also caused similar enhancement of susceptibility. Both ethambutol and dimethyl sulphoxide at the sub-MIC enhanced the activity of the anti-tuberculosis drugs against multiple drug resistant M. tuberculosis strains growing inside macrophages. Our data indicate that the agents which modify cell wall permeability can enhance the susceptibility of multiple drug resistant strains to drugs to which they were originally resistant. This could provide a new approach to treating drug resistant tuberculosis.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0305-7453
pubmed:author
pubmed:issnType
Print
pubmed:volume
35
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
381-90
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
Enhancement of drug susceptibility of multi-drug resistant strains of Mycobacterium tuberculosis by ethambutol and dimethyl sulphoxide.
pubmed:affiliation
Department of Medicine, University of Illinois, Chicago 60612, USA.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't