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https://www.readbyqxmd.com/read/28636666/molecular-and-microbiological-report-of-a-hospital-outbreak-of-ndm-1-carrying-enterobacteriaceae-in-mexico
#1
Paola Bocanegra-Ibarias, Elvira Garza-González, Rayo Morfín-Otero, Humberto Barrios, Licet Villarreal-Treviño, Eduardo Rodríguez-Noriega, Ulises Garza-Ramos, Santiago Petersen-Morfin, Jesus Silva-Sanchez
OBJECTIVES: To characterize the microbiological, molecular and epidemiological data of an outbreak of carbapenem-resistant Enterobacteriaceae (CRE) in a tertiary-care hospital in Mexico. METHODS: From September 2014 to July 2015, all CRE clinical isolates recovered during an outbreak in the Hospital Civil "Fray Antonio Alcalde" in Jalisco, Mexico were screened for antimicrobial susceptibility, carbapenemase production, carbapenemase-encoding genes, and plasmid profiles...
2017: PloS One
https://www.readbyqxmd.com/read/28634354/primary-osteomyelitis-caused-by-an-ndm-1-producing-k-pneumoniae-strain-of-the-highly-virulent-sequence-type-23
#2
Fabrice Compain, Alexis Vandenberghe, Marie Gominet, Nathalie Genel, David Lebeaux, Astrid Ramahefasolo, Isabelle Podglajen, Dominique Decré
No abstract text is available yet for this article.
June 21, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28633420/pancreas-fat-and-beta-cell-mass-in-humans-with-and-without-diabetes-an-analysis-in-the-japanese-population
#3
Rie Murakami, Yoshifumi Saisho, Yuusuke Watanabe, Jun Inaishi, Tami Tsuchiya, Kinsei Kou, Seiji Sato, Minoru Kitago, Yuko Kitagawa, Taketo Yamada, Hiroshi Itoh
Context: The mechanisms by which beta cell mass is reduced in patients with type 2 diabetes (T2DM) remain unclear. It has been postulated that ectopic fat deposits in the pancreas induce beta cell apoptosis, leading to the development of diabetes. Objective: The aim of this study was to clarify the effects of intra-pancreatic fat on beta and alpha cell mass in humans with and without diabetes. Design, Subjects and Methods: Using our tissue database, pancreas sections of 72 Japanese non-diabetic (NDM) autopsy cases and 50 diabetic (DM) and 49 age- and BMI-matched NDM patients who underwent pancreatic surgery were analyzed...
June 14, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28631935/hospital-supplementation-differentially-impacts-the-association-between-breastfeeding-intention-and-duration-among-women-with-and-without-gestational-diabetes-mellitus-history
#4
Yiska Loewenberg Weisband, Joseph Rausch, Rashmi Kachoria, Erica P Gunderson, Reena Oza-Frank
BACKGROUND: Little is known about how in-hospital supplementation with water, infant formula, or sugar water affects the relationship between breastfeeding intentions and duration, and whether this differs by gestational diabetes mellitus (GDM) history. Our study objectives were to assess the associations between GDM and exclusive breastfeeding intentions, hospital supplementation, and breastfeeding duration, including whether hospital supplementation mediates the association between exclusive breastfeeding intentions and breastfeeding duration...
June 20, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28630686/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-and-carbapenemase-producing-enterobacteriaceae-in-egyptian-patients-with-community-onset-gastrointestinal-complaints-a-hospital-based-cross-sectional-study
#5
H M Abdallah, N Alnaiemi, E A Reuland, B B Wintermans, A Koek, A M Abdelwahab, A Samy, K W Abdelsalam, C M J E Vandenbroucke-Grauls
OBJECTIVES: The aim of this study was to determine the prevalence of extended-spectrum β-lactamase (ESBL) and carbapenemase production among Enterobacteriaceae isolated from ambulatory patients with gastrointestinal complaints admitted to El-Ahrar General Hospital, Zagazig, Egypt in the period between January 2013 and May 2013. METHODS: One hundred and thirteen Enterobacteriaceae isolates were recovered from 100 consecutive Egyptian patients with community-onset gastrointestinal complaints...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28630192/in-vitro-activity-of-aztreonam-avibactam-against-enterobacteriaceae-and-pseudomonas-aeruginosa-isolated-by-clinical-laboratories-in-40-countries-from-2012-to-2015
#6
James A Karlowsky, Krystyna M Kazmierczak, Boudewijn L M de Jonge, Meredith A Hackel, Daniel F Sahm, Patricia A Bradford
The combination of the monobactam, aztreonam, and the non-β-lactam β-lactamase inhibitor, avibactam, is currently in clinical development for the treatment of serious infections caused by metallo-β-lactamase (MBL)-producing Enterobacteriaceae, a difficult to treat subtype of carbapenem-resistant Enterobacteriaceae for which therapeutic options are currently very limited. The present study tested clinically significant isolates of Enterobacteriaceae (n=51,352) and Pseudomonas aeruginosa (n=11,842) collected from hospitalized patients in 208 medical center laboratories from 40 countries from 2012 to 2015 for in vitro susceptibility to aztreonam-avibactam, aztreonam, and comparator antimicrobial agents using standard broth microdilution methodology...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629933/lignans-from-the-root-of-wikstroemia-indica-and-their-cytotoxic-activity-against-panc-1-human-pancreatic-cancer-cells
#7
Hang Chang, Yuwei Wang, Xue Gao, Zehai Song, Suresh Awale, Na Han, Zhihui Liu, Jun Yin
Six new compounds, wikstronin A (1), wikstronin B (2), wikstresinol (3), acetylwikstresinol (4), bis-5',5'-(+)-matairesinol (5), bis-5,5'-(+)-matairesinol (6), together with 20 known compounds (7-26) were isolated from the CH2Cl2 extract of roots of Wikstroemia indica. Structures of compounds 1-6 were determined by extensive NMR and CD spectroscopic analysis. In vitro preferential cytotoxicity of all the isolates was evaluated against a PANC-1 human pancreatic cell line. Compounds 8 and 12 displayed mild preferential cytotoxicity in the nutrient-deprived medium (NDM) and without causing toxicity in normal nutrient-rich conditions...
June 16, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28627648/characterization-of-a-blandm%C3%A2-1%C3%A2-harboring-plasmid-from-a-salmonella%C3%A2-enterica-clinical-isolate-in-china
#8
Jinwei Huang, Shanshan Deng, Jianmin Ren, Jianfei Tu, Meiping Ye, Minggui Wang
The plasmid-mediated transmission of antibiotic resistance genes has been reported to be involved in the development of antibiotic resistance in bacteria, and poses a serious threat for the success of bacterial infection treatment and human health worldwide. The present study used a 454 GS‑FLX pyrosequencing system to determine the ~140 kb nucleotide sequence of plasmid pHS36‑NDM, which was identified in a Salmonella Stanley isolate from the stool sample of an 11‑month‑old girl at Lishui Central Hospital, China, and which contains a New Delhi metallo‑β‑lactamase‑1 (NDM‑1) carbapenem resistance gene (blaNDM‑1)...
June 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28614760/abundance-of-carbapenemase-genes-blakpc-blandm-and-blaoxa-48-in-wastewater-effluents-from-tunisian-hospitals
#9
Emna Nasri, Jessica Subirats, Alexandre Sànchez-Melsió, Hedi Ben Mansour, Carles M Borrego, José Luis Balcázar
Carbapenems are β-lactam antibiotics with a broad spectrum of activity and are usually considered the last resort for the treatment of severe infections caused by multidrug-resistant pathogens. The clinically most significant carbapenemases are KPC, NDM, and OXA-48-like enzymes, whose genes have been increasingly reported worldwide in members of the family Enterobacteriaceae. In this study, we quantified the abundance of these genes in wastewater effluents from different Tunisian hospitals. The blaNDM and blaOXA-48-like genes were detected at similar concentrations in all hospital wastewater effluents...
June 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28613981/detection-of-new-delhi-metallo-%C3%AE-lactamase-variants-ndm-4-ndm-5-and-ndm-7-in-enterobacter-aerogenes-isolated-from-a-neonatal-intensive-care-unit-of-a-north-india-hospital-a-first-report
#10
Nayeem Ahmad, Syed Manazir Ali, Asad U Khan
A total 402 Enterobacteriaceae isolates were recovered from blood and rectal swabs of 1,000 infants admitted to the Neonatal Intensive Care Unit (NICU) of the Jawaharlal Medical College and Hospital Aligarh, India. Carbapenamase producers were determined by Carba NP phenotype biochemical assay. Out of 402 isolates, it was the first time three of the isolates were identified as Enterobacter aerogenes carrying blaNDM-4, blaNDM-5, and blaNDM-7 genes. These genes were identified by polymerase chain reaction (PCR) and sequence analysis...
June 14, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28610832/comparison-of-antimicrobial-activity-between-ceftolozane-tazobactam-and-ceftazidime-avibactam-against-multidrug-resistant-isolates-of-escherichia-coli-klebsiella-pneumoniae-and-pseudomonas-aeruginosa
#11
Adnan Alatoom, Hashim Elsayed, Karen Lawlor, Laila AbdelWareth, Rania El-Lababidi, Lysettee Cardona, Mohammad Mooty, Maria-Fernanda Bonilla, Ahmad Nusair, Imran Mirza
OBJECTIVE: We compared the activity of ceftolozane-tazobactam and ceftazidime-avibactam against 120 strains including extended spectrum β-lactamase (ESBL) producers, carbapenem-resistant Enterobacteriaceae (CRE) and Pseudomonas aeruginosa isolated from patients admitted to Cleveland Clinic Abu Dhabi, United Arab Emirates. METHODS: The in-vitro susceptibility was tested using E-strip MIC method and PCR was used to characterize the carbapenemase enzymes produced by CRE strains...
June 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28604100/molecular-epidemiology-of-carbapenem-resistant-acinetobacter-baumannii-in-greece-an-extended-review-2000-2015
#12
Theodoros Karampatakis, Charalampos Antachopoulos, Athanassios Tsakris, Emmanuel Roilides
Carbapenem-resistant Acinetobacter baumannii (CRAB) is endemic in Greece. CRAB initially emerged in 2000 and since then, carbapenemases still have a crucial role in CRAB appearance, except for a few cases resulting from efflux pump or outer-membrane protein mechanisms. OXA-type carbapenemases present the highest prevalence worldwide and bla OXA-23-like and bla OXA-58-like are the most important genes found; VIM-yielding CRAB have also been detected, while a single CRAB isolate producing NDM has quite recently emerged in Greece...
June 12, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28602387/surveillance-of-carbapenemase-producing-enterobacteriaceae%C3%A2-in-the-indian-ocean-region-between-january-2010%C3%A2-and-december-2015
#13
A M Holman, J Allyn, G Miltgen, N Lugagne, N Traversier, S Picot, A Lignereux, C Oudin, O Belmonte, N Allou
BACKGROUND: The aim of this study was to trace the emergence of carbapenemase-producing Enterobacteriaceae (CPE) on Reunion Island, a French overseas territory well suited for the surveillance of CPE emergence in patients from the entire Indian Ocean Region. METHODS: This retrospective multicenter study was conducted on Reunion Island between 2010 and 2015. RESULTS: A total of 43 CPEs were isolated during the course of the study, in 36 patients (50% in the last year alone)...
June 8, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28594635/epidemiology-of-carbapenem-resistant-klebsiella-pneumoniae-bloodstream-infections-in-a-chinese-children-s-hospital-predominance-of-new-delhi-metallo-%C3%AE-lactamase-1
#14
Fang Dong, Ye Zhang, Kaihu Yao, Jie Lu, Lingyun Guo, Shuang Lyu, Ying Yang, Yan Wang, Hongyan Zheng, Wenqi Song, Gang Liu
The spread of carbapenem-resistant Klebsiella pneumoniae (CRKp) has become a significant problem worldwide; however, relevant data in children are limited. We performed a retrospective study to better understand the epidemiology of CRKp bloodstream infections at Beijing Children's Hospital. A total of 164 K. pneumoniae strains were collected from blood cultures between January 2011 and September 2014, of which 52 (31.7%) were CRKp strains. All 52 CRKp strains were multidrug resistant; 46 (88.5%) and 49 (94...
June 8, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28594634/dissemination-of-blaoxa-23-blaoxa-24-blaoxa-58-and-blandm-1-genes-of-acinetobacter-baumannii-isolates-from-four-tertiary-hospitals-in-thailand
#15
Udomluk Leungtongkam, Rapee Thummeepak, Suchada Wongprachan, Pollawat Thongsuk, Thawatchai Kitti, Kwanjai Ketwong, Chakkaphan Runcharoen, Narisara Chantratita, Sutthirat Sitthisak
Acinetobacter baumannii is a major threat to public health due to the emergence and dissemination of antibiotic-resistant strains. The purpose of this study was to determine the molecular epidemiology of antibiotic-resistant A. baumannii isolates collected from four tertiary hospitals in Thailand during the period November 2013-February 2015. We screened 339 A. baumannii, nonrepetitive clinical isolates to determine drug susceptibility. Among all isolates, we found that 7.9% was nondrug-resistant A. baumannii (NR-AB)...
June 8, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28585170/rapid-and-simple-identification-of-carbapenemase-genes-bla-ndm-bla-oxa-48-bla-vim-bla-imp-14-and-bla-kpc-groups-in-gram-negative-bacilli-by-in-house-loop-mediated-isothermal-amplification-with-hydroxynaphthol-blue-dye
#16
Arpasiri Srisrattakarn, Aroonlug Lulitanond, Chotechana Wilailuckana, Nicha Charoensri, Lumyai Wonglakorn, Pimjai Saenjamla, Prajuab Chaimanee, Jureerut Daduang, Aroonwadee Chanawong
Carbapenem-resistant Enterobacteriaceae isolates by carbapenemase production are being reported globally with increasing frequency, leading to limited therapeutic options. We therefore developed a loop-mediated isothermal amplification method with hydroxynaphthol blue dye (LAMP-HNB) for rapid confirmation of bla NDM, bla OXA-48, bla VIM, bla IMP-14 and bla KPC groups. Sixty-two Enterobacteriaceae and Pseudomonas spp. isolates carrying various carbapenemase genes (28 bla NDM-1, 9 bla IMP-14a, 2 bla IMP-48, 1 bla IMP-1, 1 bla IMP-4, 1 bla IMP-9, 1 bla IMP-15, 4 bla VIM-2, 1 bla VIM-1, 1 bla IMP-14a & bla VIM-2, 7 bla KPC-2, 3 bla OXA-48 and 3 bla OXA-181) and 37 non-carbapenemase-producing Enterobacteriaceae isolates as confirmed by the PCR methods were included...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28579699/enantioselective-synthesis-of-new-oxazolidinylthiazolidines-as-enzyme-inhibitors
#17
Cecilia Saiz, Valentina Villamil, Mariano M González, Ma Agustina Rossi, Lorena Martínez, Leopoldo Suescun, Alejandro J Vila, Graciela Mahler
The synthesis of new oxazolidinylthiazolidines bicycles, oxygen analogues of bisthiazolidines, also known as metallo-β-lactamase inhibitors is described. The reaction of β-aminoalcohols and 2,5-dihydroxy-1,4-dithiane led to oxazolidinylthiazolidines and/or dithia-azabicycles as the main products. The distribution pattern depends mainly on the aminoalcohol substituents. In a one-pot reaction, four new bonds are formed in good yields and with high atom efficiency. When the oxazolidinylthiazolidines are formed, two stereogenic centres are generated with high enantiospecificity...
January 15, 2017: Tetrahedron, Asymmetry
https://www.readbyqxmd.com/read/28558065/prediabetes-is-associated-with-the-modulation-of-antigen-specific-th1-tc1-and-th17-tc17-responses-in-latent-mycobacterium-tuberculosis-infection
#18
Nathella Pavan Kumar, Kadar Moideen, Chandrakumar Dolla, Paul Kumaran, Subash Babu
Type 2 diabetes mellitus (DM) is associated with the down modulation of Th1, Th2 and Th17 responses in latent Mycobacterium tuberculosis infection but the role of prediabetes (PDM) in this setting is not well understood. To examine the role of CD4+ and CD8+ T cell cytokines in latent tuberculosis (LTB) with coincident PDM, we studied the baseline, mycobacterial, control antigen and mitogen-stimulated T cell cytokine responses in LTB individuals with (LTB-PDM; n = 20) or without (LTB-NDM; n = 20) concomitant prediabetes...
2017: PloS One
https://www.readbyqxmd.com/read/28555403/dissemination-of-bla-oxa-370-gene-among-several-enterobacteriaceae-species-in-brazil
#19
C M Magagnin, F P Rozales, L Antochevis, L S Nunes, A S Martins, A L Barth, J M Sampaio, A P Zavascki
OXA-370 is a recently described OXA-48 variant that has only been described in a few Enterobacter spp. and Klebsiella pneumoniae isolates. The purpose of this study is to assess the prevalence of OXA-370-producing isolates in carbapenem-nonsusceptible Enterobacteriaceae recovered from 28 hospitals from Brazil. Real-time PCR was used to determine the presence of bla NDM-1, bla KPC-2, bla VIM-type, bla GES-type, bla OXA-48-like, and bla IMP-type genes. A total of 4,451 Enterobacteriaceae were screened. The gene bla OXA-48-like was detected in 74 (2...
May 30, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28553278/a-thiazole-orange-derivative-targeting-the-bacterial-protein-ftsz-shows-potent-antibacterial-activity
#20
Ning Sun, Yu-Jing Lu, Fung-Yi Chan, Ruo-Lan Du, Yuan-Yuan Zheng, Kun Zhang, Lok-Yan So, Ruben Abagyan, Chao Zhuo, Yun-Chung Leung, Kwok-Yin Wong
The prevalence of multidrug resistance among clinically significant bacteria calls for the urgent development of new antibiotics with novel mechanisms of action. In this study, a new small molecule exhibiting excellent inhibition of bacterial cell division with potent antibacterial activity was discovered through cell-based screening. The compound exhibits a broad spectrum of bactericidal activity, including the methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus and NDM-1 Escherichia coli...
2017: Frontiers in Microbiology
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