نتایج جستجو برای: kpc gene

تعداد نتایج: 1147958  

2016
Yanfen Ma Jian Hu Ning Zhang Xinran Dong Ying Li Bo Yang Weidong Tian Xiaoqin Wang Aamir Ahmad

Pancreatic cancer is the leading cause of death from solid malignancies worldwide. Currently, gemcitabine is the only drug approved for treating pancreatic cancer. Developing new therapeutic drugs for this disease is, therefore, an urgent need. The C-Map project has provided a wealth of gene expression data that can be mined for repositioning drugs, a promising approach to new drug discovery. T...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - دانشکده داروسازی 1392

اهداف: امروزه مقاومت باکتری ها از جمله e. coli نسبت به داروهای موجود در حال افزایش است . یکی از راه های کسب مقاومت باکتری ها نسبت به داروهای گروه بتالاکتام مانند کارباپنم ها تولید انواعی از آنزیم بتالاکتاماز است که از جمله این آنزیم ها می توان به ampc,imp,kpc,vim اشاره نمود. آلودگی با این باکتری ها هزینه های درمانی و مرگ و میر را افزایش می دهد لذا شناسایی و غربالگری آن ها حائز اهمیت است. بنابرا...

ژورنال: یافته 2013
انصاری, نجمه , جهاندیده, سعید , میرنژاد, رضا , هاشمی‌زاده, فرشته ‌سادات , هاشمی‌زاده, فروغ‌سادات , زمان‌زاد, بهنام , قلی‌پور, ابوالفضل ,

Background :Nowadays beta lactamase-producing multiple-drug resistance Klebsiella pneumoniae is as an important factor in nosocomial infections which has produced therapeutic difficulties in worldwide. The purpose of this study was to identify KPC-producing K. pneumoniae (blakpc) in clinical samples in Iran. Materials and Methods: After identification of isolates in species level using cultura...

Journal: :jundishapur journal of microbiology 0
saeed falahat molecular and medicine research center, arak university of medical sciences, arak, ir iran mana shojapour phd student, department of molecular medicine, school of advanced technologies in medicine, tehran university of medical sciences, tehran, ir iran abdorrahim sadeghi molecular and medicine research center, department of biochemistry and genetics, arak university of medical sciences, arak, ir iran; molecular and medicine research center, department of biochemistry and genetics, arak university of medical sciences, arak, ir iran. tel: +98-8634173502

background bacterial resistance to antibiotics has become a major source of concern for public health. pseudomonas aeruginosa strains are important opportunistic pathogens. these bacteria have a high resistance to a wide range of existing antimicrobials and antibiotics. objectives the present study was performed to evaluate the frequency of kpc in p. aeruginosa isolated from clinical samples of...

Journal: :The Journal of antimicrobial chemotherapy 2008
Neil Woodford Jiancheng Zhang Marina Warner Mary E Kaufmann Jorge Matos Alan Macdonald Daniel Brudney David Sompolinsky Shiri Navon-Venezia David M Livermore

BACKGROUND KPC-type carbapenemases are increasingly prevalent in parts of the USA and Israel and are an emerging concern in South America, Europe and China. We investigated the UK's first two KPC-producing Klebsiella pneumoniae isolates. METHODS The isolates were referred to the UK's national reference laboratory for confirmation of carbapenem resistance. Susceptibilities were determined by a...

Journal: :The Journal of antimicrobial chemotherapy 2010
Azita Leavitt Inna Chmelnitsky Itzhak Ofek Yehuda Carmeli Shiri Navon-Venezia

OBJECTIVES An extremely drug-resistant (XDR) clone of KPC-3-producing Klebsiella pneumoniae emerged in Israel in 2006, causing a nationwide outbreak. We aimed to characterize the local KPC-3-encoding plasmid carried by these isolates and study its contribution to antibiotic resistance. METHODS Mechanisms of carbapenem resistance were investigated in seven selected isolates (isolated between 2...

2013
Ruchika Jain Seth T. Walk David M. Aronoff Vincent B. Young Duane W. Newton Carol E. Chenoweth Laraine L. Washer

The prevalence of carbapenemase-producing Enterobacteriaceae (CPE) in our hospital increased beginning in 2009. We aimed to study the clinical and molecular epidemiology of these emerging isolates. We performed a retrospective review of all adult patients with clinical cultures confirmed as CPE by positive modified Hodge test from 5/2009- 5/2010 at the University of Michigan Health System (UMHS...

2018
Seri Jeong Jung Ok Kim Eun-Jeong Yoon Il Kwon Bae Woonhyoung Lee Hyukmin Lee Yongjung Park Kyungwon Lee Seok Hoon Jeong

BACKGROUND Extensively drug-resistant (XDR) Enterobacteriaceae carrying the bla(KPC) gene have emerged as a major global therapeutic concern. The purpose of this study was to analyze the complete sequences of plasmids from KPC-2 carbapenemase-producing XDR Escherichia coli sequence type (ST) 1642 isolates. METHODS We performed antimicrobial susceptibility testing, PCR, multilocus sequence typ...

Journal: :The Journal of antimicrobial chemotherapy 2011
Yan Qi Zeqing Wei Shujuan Ji Xiaoxing Du Ping Shen Yunsong Yu

OBJECTIVES Klebsiella pneumoniae carbapenemase (KPC)-producing Klebsiella pneumoniae has spread rapidly in China. In this study, we aimed to investigate the molecular epidemiology of KPC-producing K. pneumoniae isolates in China. METHODS Ninety-five carbapenem-resistant K. pneumoniae isolates from 13 hospitals in nine cities covering five provinces in China were analysed. Antibiotic susceptib...

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