نتایج جستجو برای: mdr
تعداد نتایج: 8159 فیلتر نتایج به سال:
Conventional cancer chemotherapy is seriously limited by tumor cells exhibiting multidrug resistance (MDR), caused by changes in the level or activity of membrane transporters that mediate energy-dependent drug efflux and of other proteins that affect drug metabolism and/or drug action. Many inhibitors of MDR transporters have been identified and some are undergoing clinical trials, but current...
BACKGROUND Multidrug resistant-tuberculosis (MDR-TB) is a threat to global tuberculosis control which is worsened by human immune-deficiency virus (HIV) co-infection. There is however paucity of data on the effects of antiretroviral treatment (ART) before or after starting MDR-TB treatment. This study determined predictors of mortality and treatment failure among HIV co-infected MDR-TB patients...
BACKGROUND We conducted a cohort study to compare the characteristics of MDR-TB with non-MDR-TB patients and to measure long term (9-year) mortality rate and determine factors associated with death in China. METHODS We reviewed the medical records of 250 TB cases from a 2001 survey to compare 100 MDR-TB patients with 150 non-MDR-TB patients who were treated in 2001-2002. Baseline attributes e...
BACKGROUND Multidrug-resistant and extensively drug-resistant tuberculosis infections cause public health concerns worldwide. Local epidemiologic data about the drug resistance of Mycobacterium tuberculosis isolate (Mtb) is critical to guide appropriate empirical therapy to cure patients and restrain the spread of tuberculosis. METHODS Antituberculosis susceptibility testing was performed for...
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BACKGROUND AND PURPOSE The emergent multidrug-resistant (MDR) Salmonella typhimurium definitive phage type 104 (DT104) is a public and veterinary health problem not only due to its wide host range and potential for enhanced virulence, but also the difficulty associated with its control. There is thus a need to investigate possible antigens of MDR DT104. METHODS Using standard protocols, whole...
We investigated the linezolid susceptibility of Mycobacterium tuberculosis strains isolated from a tertiary care hospital in Izmir. A total of 67 M. tuberculosis strains (33 multidrug-resistant [MDR] and 34 non-MDR) were isolated and identified by the Tuberculosis Laboratory, Department of Microbiology and Clinical Microbiology, Faculty of Medicine, Ege University. The activity of linezolid was...
Multidrug-resistant (MDR) pulmonary tuberculosis (TB) is well described in the literature. Reports of MDR TB meningitis (MDR-TBM), however, are limited to case reports and a single case series. During the period of 1999-2002, 350 patients with TBM were identified by cerebrospinal fluid culture for TB. Thirty patients (8.6%) had TB that was resistant to at least isoniazid and rifampicin. All 30 ...
Multiple drug resistance (MDR) and metastasis are two major factors that contribute to the failure of cancer treatment. However, the relationship between MDR and metastasis has not been characterized. Additionally, the role of the E3 ubiquitin ligase Cbl-b in metastasis of MDR gastric and breast cancer is not well known. In the present study, we found that MDR gastric and breast cancer cells po...
The HIV and multi-drug resistant tuberculosis (MDR-TB) epidemics are closely linked. In Thailand as part of a sentinel surveillance system, we collected data prospectively about pulmonary TB cases treated in public clinics. A subset of HIV-infected TB patients identified through this system had additional data collected for a research study. We conducted multivariate analysis to identify factor...
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