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Escherichia Coli and Hemolytic Uremic syndrome

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https://www.readbyqxmd.com/read/28421309/genetic-makeup-of-shiga-toxin-producing-escherichia-coli-in-relation-to-clinical-symptoms-and-duration-of-shedding-a-microarray-analysis-of-isolates-from-swedish-children
#1
A Matussek, C Jernberg, I-M Einemo, S Monecke, R Ehricht, I Engelmann, S Löfgren, S Mernelius
Shiga toxin (Stx)-producing Escherichia coli (STECs) cause non-bloody diarrhea, hemorrhagic colitis, and hemolytic uremic syndrome, and are the primary cause of acute renal failure in children worldwide. This study investigated the correlation of genetic makeup of STEC strains as revealed by DNA microarray to clinical symptoms and the duration of STEC shedding. All STEC isolated (n = 96) from patients <10 years of age in Jönköping County, Sweden from 2003 to 2015 were included. Isolates were characterized by DNA microarray, including almost 280 genes...
April 19, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28419995/hemolytic-uremic-syndrome-and-kidney-transplantation-a-case-series-and-review-of-the-literature
#2
Sabrina Milan Manani, Grazia Maria Virzì, Anna Giuliani, Anna Clementi, Alessandra Brocca, Daniela Dissegna, Francesca Martino, Emanuele Stefano Giovanni d'Amore, Claudio Ronco
BACKGROUND: Hemolytic uremic syndrome (HUS) can be triggered by Shiga toxin producing Escherichia coli (STEC) infection or it can be defined as atypical HUS (aHUS) if it is related to uncontrolled complement activation. aHUS is characterized by a high incidence of recurrence after kidney transplantation, and it can also occur de novo in transplant recipients. Eculizumab is used both to prevent and to treat aHUS following kidney transplantation. In this paper, we report our centre experience and we present 4 cases of HUS in patients who underwent kidney transplantation...
April 19, 2017: Nephron
https://www.readbyqxmd.com/read/28389899/degradation-and-inactivation-of-shiga-toxins-by-nitrogen-gas-plasma
#3
Akikazu Sakudo, Yuichiro Imanishi
Shiga toxin (Stx)-producing Escherichia coli (STEC) leads to food poisoning by causing hemorrhagic colitis and hemolytic uremic syndrome. Some STEC produce Shiga toxin 1 (Stx1) and/or Shiga toxin 2 (Stx2), a relatively stable protein toxin, necessitating the development of an efficient inactivation method. Here we applied a nitrogen gas plasma apparatus to the inactivation of Stx. Samples of Stx1 and Stx2 were treated with a nitrogen gas plasma generated by a plasma device using a short high-voltage pulse applied by a static induction thyristor power supply at 1...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28387984/practical-issues-in-using-eculizumab-for-children-with-atypical-hemolytic-uremic-syndrome-in-the-acute-phase-a-review-of-4-patients
#4
Chikako Terano, Kenji Ishikura, Riku Hamada, Yasuhiro Yoshida, Wataru Kubota, Yusuke Okuda, Shunsuke Shinozuka, Ryoko Harada, Sunao Iyoda, Yoshihiro Fujimura, Yuko Hamasaki, Hiroshi Hataya, Masataka Honda
AIM: Recently eculizumab, a monoclonal antibody to C5, was found to improve the disease course of atypical hemolytic uremic syndrome (aHUS) and has been recommended as the first line treatment by an international consensus guideline. However, several practical issues in the use of eculizumab for the acute phase of aHUS have yet to be resolved. METHODS: Children who received eculizumab with diagnosis of aHUS between March 2010 and December 2015 at Tokyo Metropolitan Children's Medical Center were enrolled...
April 7, 2017: Nephrology
https://www.readbyqxmd.com/read/28368342/strategy-for-accurate-detection-of-escherichia-coli-o157-h7-in-ground-pork-using-a-lateral-flow-immunoassay
#5
Song Cheng, Ming-Hui Chen, Gang-Gang Zhang, Zhi-Biao Yu, Dao-Feng Liu, Yong-Hua Xiong, Hua Wei, Wei-Hua Lai
Escherichia coli O157:H7 is known to cause serious diseases including hemorrhagic colitis and hemolytic uremic syndrome. A gold nanoparticle lateral flow immunoassay (Au-LFIA) was used to detect Escherichia coli O157:H7 in ground pork samples. False-positive results were detected using Au-LFIA; a Citrobacterfreundii strain was isolated from the ground pork samples and identified by using CHROmagar(TM) plates, API 20E, and 16S RNA sequencing. Since C.freundii showed cross-reactivity with E. coli O157:H7 when Au-LFIA test strips were used, a novel method combining modified enrichment with a lateral flow immunoassay for accurate and convenient detection of E...
April 2, 2017: Sensors
https://www.readbyqxmd.com/read/28343354/unusual-severe-case-of-hemolytic-uremic-syndrome-due-to-shiga-toxin-2d-producing-e-coli-o80-h2
#6
Kioa L Wijnsma, Anne M Schijvens, John W A Rossen, A M D Mirjam Kooistra-Smid, Michiel F Schreuder, Nicole C A J van de Kar
BACKGROUND: Hemolytic uremic syndrome (HUS) is one of the most common causes of acute renal failure in children, with the majority of cases caused by an infection with Shiga toxin-producing Escherichia coli (STEC). Whereas O157 is still the predominant STEC serotype, non-O157 serotypes are increasingly associated with STEC-HUS. However, little is known about this emerging and highly diverse group of non-O157 serotypes. With supportive therapy, STEC-HUS is often self-limiting, with occurrence of chronic sequelae in just a small proportion of patients...
March 25, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28340492/hemolysis-elevated-liver-enzymes-low-platelets-syndrome-superimposed-on-hemolytic-uremic-syndrome
#7
Inês Martins, Madalena Gomes Conceição, Paulo Pereira Gomes, Nuno Clode
A pregnancy complicated by typical hemolytic uremic syndrome (HUS) and hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome is reported. At 20 weeks of gestation, a case of HUS was diagnosed, with Shiga toxin-producing Escherichia coli identified. Plasmapheresis allowed continuation of the pregnancy for 5 weeks. Superimposed preeclampsia and HELLP syndrome were diagnosed after the establishment of nephrotic range proteinuria, hypertension and recurrence of hemolysis. This is a singular case, as it demonstrates that HELLP syndrome can superimpose upon HUS, a fact that can impact future research on reproductive immunology...
April 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28330075/a-novel-multiplex-pcr-method-for-the-detection-of-virulence-associated-genes-of-escherichia-coli-o157-h7-in-food
#8
Vo Van Giau, Thuy Trang Nguyen, Thi Kim Oanh Nguyen, Thi Thuy Hang Le, Tien Dung Nguyen
Shiga toxin-producing Escherichia coli O157:H7 (E. coli O157:H7) strains are foodborne infectious agents that cause a number of life-threatening diseases, including hemorrhagic colitis (HC) and hemolytic uremic syndrome (HUS). Shiga toxin 1 (stx1), shiga toxin 2 (stx2), or a combination of both are responsible for most clinical symptoms of these diseases. Hence, various diagnostic methods have been developed so far to detect shiga toxins such as cell culture, ELISA, Rapid Latex Agglutination (RPLA) and hybridization, but due to high costs and labor time in addition to low sensitivity, they have not received much attention...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329394/intermediate-follow-up-of-pediatric-patients-with-hemolytic-uremic-syndrome-during-the-2011-outbreak-caused-by-e-coli-o104-h4
#9
Sebastian Loos, Wiebke Aulbert, Bernd Hoppe, Thurid Ahlenstiel-Grunow, Birgitta Kranz, Charlotte Wahl, Hagen Staude, Alexander Humberg, Kerstin Benz, Martin Krause, Martin Pohl, Max C Liebau, Raphael Schild, Johanna Lemke, Ortraud Beringer, Dominik Müller, Christoph Härtel, Marianne Wigger, Udo Vester, Martin Konrad, Dieter Haffner, Lars Pape, Jun Oh, Markus J Kemper
Background.: In 2011 Escherichia coli O104:H4 caused an outbreak with over 800 cases of hemolytic uremic syndrome (HUS) in Germany, including 90 children. Data on the intermediate outcome in children after HUS due to E. coli O104:H4 have been lacking. Methods.: Follow-up data were gathered retrospectively from the medical records of patients who had been included in the German Pediatric HUS Registry during the 2011 outbreak. Results.: A total of 72/89 (81%) of the patients was included after a median follow-up of 3...
March 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28316592/influence-of-stress-factors-related-to-cheese-making-process-and-to-stec-detection-procedure-on-the-induction-of-stx-phages-from-stec-o26-h11
#10
Ludivine Bonanno, Benjamin Delubac, Valérie Michel, Frédéric Auvray
Shiga toxin-producing Escherichia coli (STEC) are responsible for human infections, ranging from mild watery diarrhea to hemorrhagic colitis (CH) that may be complicated by hemolytic uremic syndrome (HUS). The main STEC virulence factor is Shiga toxin encoded by the stx gene, located in the genome of a bacteriophage integrated into the bacterial chromosome. The serotype O26:H11 is the second HUS-causing serotype worldwide (after O157:H7), and the first found in dairy products such as raw-milk cheeses. A small number of HUS cases identified each year in France are caused by serotype O26:H11...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28296951/in-silico-design-expression-and-purification-of-novel-chimeric-escherichia-coli-o157-h7-ompa-fused-to-ltb-protein-in-escherichia-coli
#11
Aytak Novinrooz, Taghi Zahraei Salehi, Roya Firouzi, Sina Arabshahi, Abdollah Derakhshandeh
E. coli O157:H7, one of the major EHEC serotypes, is capable of developing bloody diarrhea, hemorrhagic colitis (HC), and fatal hemolytic uremic syndrome (HUS) and is accompanied by high annual economic loss worldwide. Due to the increased risk of HC and HUS development following antibiotic therapy, the prevention of infections caused by this pathogen is considered to be one of the most effective ways of avoiding the consequences of this infection. The main aim of the present study was to design, express, and purify a novel chimeric protein to develope human vaccine candidate against E...
2017: PloS One
https://www.readbyqxmd.com/read/28283851/serum-ferritin-as-an-indicator-of-the-development-of-encephalopathy-in-enterohemorrhagic-escherichia-coli-induced-hemolytic-uremic-syndrome
#12
Masaki Shimizu, Natsumi Inoue, Mondo Kuroda, Hitoshi Irabu, Maiko Takakura, Hisashi Kaneda, Naotoshi Sugimoto, Kazuhide Ohta, Akihiro Yachie
OBJECTIVES: To investigate the diagnostic value of serum ferritin levels as a marker of disease activity and the development of encephalopathy in hemolytic uremic syndrome (HUS) induced by enterohemorrhagic Escherichia coli. METHODS: Twenty patients with HUS were studied. Serum ferritin levels were compared with clinical features and serum soluble tumor necrosis factor receptor (sTNFR) I and sTNFRII levels. Serum sTNFRI and sTNFRII levels were quantified by enzyme-linked immunosorbent assays...
March 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28253847/prevalence-and-antimicrobial-susceptibility-of-escherichia-coli-o157-in-beef-at-butcher-shops-and-restaurants-in-central-ethiopia
#13
Ashenafi Feyisa Beyi, Akafete Teklu Fite, Ephrem Tora, Asdesach Tafese, Tadele Genu, Tamirat Kaba, Tariku Jibat Beyene, Takele Beyene, Mesula Geloye Korsa, Fanos Tadesse, Lieven De Zutter, Bruno Maria Goddeeris, Eric Cox
BACKGROUND: Ethiopia bears the largest burden of foodborne diseases in Africa, and diarrheal diseases are the second leading causes of premature deaths. Enterohemorrhagic Escherichia coli O157 causes an asymptomatic infection to severe diarrhea and/or hemolytic-uremic syndrome in humans. METHODS: A total of 440 beef carcass and in-contact surface swabs from 55 butcher shops and 85 minced beef samples from 40 restaurants in central Ethiopia were collected and examined for the presence of E...
March 3, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28230102/identification-of-a-new-virulent-clade-in-enterohemorrhagic-escherichia-coli-o26-h11-h-sequence-type-29
#14
Nozomi Ishijima, Ken-Ichi Lee, Tomomi Kuwahara, Haruyuki Nakayama-Imaohji, Saori Yoneda, Atsushi Iguchi, Yoshitoshi Ogura, Tetsuya Hayashi, Makoto Ohnishi, Sunao Iyoda
Enterohemorrhagic Escherichia coli (EHEC) O26 infections cause severe human diseases such as hemolytic uremic syndrome and encephalopathy, and is the predominant serogroup among non-O157 EHEC in many countries. Shiga toxin (Stx), which consists of two distinct types (Stx1 and Stx2), plays a central role in EHEC pathogenesis. The major stx gene type in EHEC O26 strains is stx1, although isolates with only stx2 have emerged in Japan since 2012 and have been reported in Europe. In this study, we selected 27 EHEC O26 strains isolated in Japan and identified a distinct genetic clade within sequence type (ST) 29, designated ST29C1, that carried only stx2 and had the plasmid gene profile ehxA+/katP-/espP+/etpD-...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28221950/multistate-outbreak-of-escherichia-coli-o157-h7-infections-associated-with-consumption-of-fresh-spinach-united-states-2006
#15
Umid M Sharapov, Arthur M Wendel, Jeffrey P Davis, William E Keene, Jeffrey Farrar, Samir Sodha, Eija Hyytia-Trees, Molly Leeper, Peter Gerner-Smidt, Patricia M Griffin, Chris Braden
During September to October, 2006, state and local health departments and the Centers for Disease Control and Prevention investigated a large, multistate outbreak of Escherichia coli O157:H7 infections. Case patients were interviewed regarding specific foods consumed and other possible exposures. E. coli O157:H7 strains isolated from human and food specimens were subtyped using pulsed-field gel electrophoresis and multiple-locus variable-number tandem repeat analyses (MLVA). Two hundred twenty-five cases (191 confirmed and 34 probable) were identified in 27 states; 116 (56%) case patients were hospitalized, 39 (19%) developed hemolytic uremic syndrome, and 5 (2%) died...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28211788/hemolytic-uremic-syndrome-complicated-by-clostridium-septicum-bacteremia-and-new-onset-type-1-diabetes-mellitus-report-of-a-case%C3%A2
#16
Anna C Iddings, Asha N Shenoi, Alba Morales Pozzo, Stefan G Kiessling
We report the unusual case of a 5-year-old male hospitalized for management of diabetic ketoacidosis (DKA) and new-onset type 1 diabetes mellitus (T1DM) who developed acute renal injury secondary to hemolytic uremic syndrome (HUS). He was diagnosed with Shiga toxin-producing entero-hemorrhagic <i>Escherichia coli</i> (EHEC) 0157:H7-positive HUS 48 hours after being diagnosed with new-onset T1DM/DKA. His hospital course was complicated by <i>Clostridium septicum</i> sepsis with colonic perforation...
April 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28183731/c-septicum-complicating-hemolytic-uremic-syndrome-survival-without-surgical-intervention
#17
Rachel M Engen, Elizabeth Y Killien, Jessica L Davis, Jordan M Symons, Silvia M Hartmann
Clostridium septicum is an anaerobic bacterium that causes rapidly progressive myonecrosis, bacteremia, and central nervous system infection. It has been reported as a complication of Escherichia coli hemolytic uremic syndrome (HUS) in 8 children worldwide; 5 children died, and the 3 reported survivors had surgically treated disease. We present 3 cases of C septicum complicating HUS in children, including the first 2 reported cases of survival without surgical intervention. All patients presented with classic cases of HUS with initial clinical improvement followed by deterioration...
March 2017: Pediatrics
https://www.readbyqxmd.com/read/28180952/endothelial-dysfunction-during-long-term-follow-up-in-children-with-stec-hemolytic-uremic-syndrome
#18
Martin Kreuzer, Laura Sollmann, Stephan Ruben, Maren Leifheit-Nestler, Dagmar-Christiane Fischer, Lars Pape, Dieter Haffner
BACKGROUND: Shiga-toxin-producing Escherichia coli (STEC)-associated hemolytic-uremic syndrome (HUS) is a major cause of acute kidney injury (AKI), especially in children. Its long-term outcome with respect to endothelial damage remains largely elusive. METHODS: This was a cross-sectional study in 26 children who had suffered from STEC-HUS in the past and achieved a complete recovery of renal function (eGFR >90 ml/min/1.73 m(2)). Skin microcirculation after local heating was assessed by laser Doppler fluximetry, carotid-femoral pulse wave velocity (PWV), carotid intima media thickness (cIMT), 24-h ambulatory blood pressure, and angiopoietin (Ang) 1 and 2 serum levels after a median follow-up period of 6...
February 8, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28178427/pathogenesis-of-colitis-in-germ-free-mice-infected-with-ehec-o157-h7
#19
K A Eaton, C Fontaine, D I Friedman, N Conti, C J Alteri
Enterohemorrhagic Escherichia coli (EHEC) are strains of E. coli that express Shiga toxins (Stx) and cause hemorrhagic colitis. In some cases, disease can progress to hemolytic uremic syndrome, a potentially fatal form of kidney disease. Both enteric and renal disease are associated with the expression of stx genes, which are often carried on lysogenic phage. Toxin is expressed following induction and conversion of the phage to lytic growth. The authors previously used a germ-free mouse model to demonstrate that toxin gene expression is enhanced during growth in vivo and that renal disease is dependent on both prophage induction and expression of Stx2...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28178155/complement-mediated-thrombotic-microangiopathy-secondary-to-sepsis-induced-disseminated-intravascular-coagulation-successfully-treated-with-eculizumab-a-case-report
#20
Tomohiro Abe, Akira Sasaki, Taichiro Ueda, Yoshitaka Miyakawa, Hidenobu Ochiai
Secondary thrombotic microangiopathies (TMAs) are induced by several underlying conditions; most are resolved by treating background disease. Eculizumab is a human monoclonal antibody that blocks the final stage of the complement system and effectively treats atypical hemolytic uremic syndrome (aHUS). In this report, we present a patient with TMA secondary to sepsis- induced coagulopathy, who was successfully treated with eculizumab.A 44-year-old woman, who had no special medical history or familial history of TMAs, was admitted on suspicion of septic shock...
February 2017: Medicine (Baltimore)
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