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https://www.readbyqxmd.com/read/28340492/hemolysis-elevated-liver-enzymes-low-platelets-syndrome-superimposed-on-hemolytic-uremic-syndrome
#1
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...
March 24, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28340252/urinary-tract-infection-recent-insight-into-the-evolutionary-arms-race-between-uropathogenic-escherichia-coli-and-our-immune-system
#2
Sebastian Schwab, Katarzyna Jobin, Christian Kurts
Urinary tract infections (UTIs) are among the most common bacterial infections worldwide. Humans evolved various immune-dependent and independent defense mechanisms, while pathogens evolved multiple virulence factors to fight back. This article summarizes recent findings regarding the arms race between hosts and pathogens in UTIs. It was recently reported that macrophage subsets regulate neutrophil-mediated defense in primary UTIs but seem to subvert adaptive immunity upon re-infection. Moreover, some bacterial strains can survive inside macrophages, leading to recurrent infections...
March 15, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340243/finite-time-parametric-identification-for-the-model-representing-the-metabolic-and-genetic-regulatory-effects-of-sequential-aerobic-respiration-and-anaerobic-fermentation-processes-in-escherichia-coli
#3
Alfonso Sepúlveda-Gálvez, Jesús Agustín Badillo-Corona, Isaac Chairez
Mathematical modelling applied to biological systems allows for the inferring of changes in the dynamic behaviour of organisms associated with variations in the environment. Models based on ordinary differential equations are most commonly used because of their ability to describe the mechanisms of biological systems such as transcription. The disadvantage of using this approach is that there is a large number of parameters involved and that it is difficult to obtain them experimentally. This study presents an algorithm to obtain a finite-time parameter characterization of the model used to describe changes in the metabolic behaviour of Escherichia coli associated with environmental changes...
March 17, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/28339845/expanded-spectrum-%C3%AE-lactamase-producing-escherichia-coli-isolated-from-chickens-with-colibacillosis-in-egypt
#4
D A El-Shazly, S A Nasef, F F Mahmoud, Daniel Jonas
Throughout the world, expanded spectrum β-lactamases (ESBL) are increasing among clinical isolates of Enterobacteriaceae, both in humans and animals. Unfortunately, there is a paucity of data on ESBL or Ampicillin class C β-lactamase (AmpC) in Egypt, although antimicrobial consumption is high in this developing country. This study aims to characterize the resistance mechanisms to expanded spectrum cephalosporins among resistant veterinary Escherichia coli isolates in Egypt. We investigated 50 clinical multi-resistant E...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339766/higher-bioavailability-of-doxycycline-in-broiler-chickens-with-a-novel-in-feed-pharmaceutical-formulation
#5
Lilia Gutiérrez, Juan Zermeño, Yazmín Alcalá, Héctor Sumano
Bioavailability of a new, long-acting (LA) pharmaceutical preparation for administering doxycycline as in-feed medication to broiler chickens was compared to the standard in-feed administration of doxycycline. A commercial poultry house harboring Ross-308 broiler chickens, weighing 450 g, was divided into 7 sections as follows: doxy-FOLA group (n = 6,000 chickens divided into 3 replicates) medicated with 10% doxycyline, long-acting pellets at a dose of 400 g of doxycycline HCl/ton of food, resulting in a calculated dose of 48 mg/kg for 5 d; doxy-ref group (n = 6,000, divided into 3 replicates) medicated as for doxy-FOLA, but using a 20% commercial preparation of doxycycline...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339716/prevalence-antimicrobial-resistance-and-genetic-diversity-of-campylobacter-coli-and-campylobacter-jejuni-in-ecuadorian-broilers-at-slaughter-age
#6
Christian Vinueza-Burgos, Magali Wautier, Delphine Martiny, Marco Cisneros, Inge Van Damme, Lieven De Zutter
Thermotolerant Campylobacter spp. are a major cause of foodborne gastrointestinal infections worldwide. The linkage of human campylobacteriosis and poultry has been widely described. In this study we aimed to investigate the prevalence, antimicrobial resistance and genetic diversity of C. coli and C. jejuni in broilers from Ecuador. Caecal content from 379 randomly selected broiler batches originating from 115 farms were collected from 6 slaughterhouses located in the province of Pichincha during 1 year. Microbiological isolation was performed by direct plating on mCCDA agar...
February 21, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339708/effects-of-dietary-methyl-sulfonyl-methane-msm-supplementation-on-growth-performance-nutrient-digestibility-meat-quality-excreta-microbiota-excreta-gas-emission-and-blood-profiles-in-broilers
#7
Y Jiao, J H Park, Y M Kim, I H Kim
A 29-d trial was conducted to evaluate the effects of dietary methyl sulfonyl methane (MSM) supplementation on growth performance, meat quality, nutrient digestibility, excreta microbiota, excreta gas emission, and blood profiles in broilers. A total of 816 1-day-old male Ross 308 broilers (44 ± 0.44 g) were assigned to 4 dietary treatments, composed of 12 replicates with 17 birds per replicate. The 4 treatments were: 1) CON, basal diet; 2) S1, CON + 0.05% MSM; 3) S2, CON + 0.10% MSM; 4) S3, CON + 0.20% MSM...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339688/an-activity-staining-method-on-filtration-paper-enables-high-throughput-screening-of-temperature-sensitive-and-inactive-mutations-of-rice-%C3%AE-amylase-for-improvement-of-rice-grain-quality
#8
Hiromoto Yamakawa, Rieko Hirai-Kimura, Yuriko Nakata, Masaru Nakata, Masaharu Kuroda, Takeshi Yamaguchi
α-Amylase is a starch-hydrolyzing enzyme (EC 3.2.1.1) indispensable for germination of cereal seeds, but it is also expressed during the ripening stage. Previous studies demonstrated that the enzyme is activated in developing rice seeds under extremely hot weather and triggers a loss of grain quality by hindering the accumulation of storage starch in the endosperm. Since inactive or, preferably, heat-labile α-amylases are preferable for breeding premium rice, we developed a method for rapid screening of inactive and temperature-sensitive mutants of the enzyme by combining the random mutagenesis by error-prone PCR and an on-filter activity test of the recombinant enzyme expressed by Escherichia coli...
February 21, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28339675/high-reported-rates-of-antimicrobial-resistance-in-indian-neonatal-and-pediatric-blood-stream-infections
#9
Dhanya Dharmapalan, Anita Shet, Vijay Yewale, Mike Sharland
Background.: There is real shortage of national data on antimicrobial resistance rates in Indian neonates and children. A descriptive review was conducted to determine the patterns of antimicrobial resistance in isolates of blood stream infection among hospitalized children in India. Methods.: Published and gray literature on antibiotic resistance in children was searched using "Google Scholar", "Scopus", and "PubMed" databases between January 2000 and July 2015...
February 18, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28339623/the-molecular-and-clinical-epidemiology-of-extended-spectrum-cephalosporin-and-carbapenem-resistant-enterobacteriaceae-at-4-us-pediatric-hospitals
#10
Danielle M Zerr, Scott J Weissman, Chuan Zhou, Matthew P Kronman, Amanda L Adler, Jessica E Berry, Jaipreet Rayar, Jeff Myers, Wren L Haaland, Carey-Ann D Burnham, Alexis Elward, Jason Newland, Rangaraj Selvarangan, Kaede V Sullivan, Theoklis Zaoutis, Xuan Qin
Objective.: In this report, we aim to describe the epidemiology of extended-spectrum cephalosporin-resistant (ESC-R) and carbapenem-resistant (CR) Enterobacteriaceae infections in children. Methods.: ESC-R and CR Enterobacteriaceae isolates from normally sterile sites of patients aged <22 years from 4 freestanding pediatric medical centers were collected along with the associated clinical data. Results.: The overall frequencies of ESC-R and CR isolates according to hospital over the 4-year study period ranged from 0...
January 19, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28339522/influence-of-postbiotic-rg14-and-inulin-combination-on-cecal-microbiota-organic-acid-concentration-and-cytokine-expression-in-broiler-chickens
#11
K Y Kareem, T C Loh, H L Foo, S A Asmara, H Akit
This study examined the effects of different combinations of inulin and postbiotics RG14 on growth performance, cecal microbiota, volatile fatty acids (VFA), and ileal cytokine expression in broiler chickens. Two-hundred-and sixteen, one-day-old chicks were allocated into 6 treatment groups, namely, a basal diet (negative control, NC), basal diet + neomycin and oxytetracycline (positive control, PC), T1 = basal diet + 0.15% postbiotic RG14 + 1.0% inulin, T2 = basal diet + 0.3% postbiotic RG14 + 1.0% inulin, T3 = basal diet + 0...
October 6, 2016: Poultry Science
https://www.readbyqxmd.com/read/28339520/efficacy-of-bacillus-subtilis-and-bacitracin-methylene-disalicylate-on-growth-performance-digestibility-blood-metabolites-immunity-and-intestinal-microbiota-after-intramuscular-inoculation-with-escherichia-coli-in-broilers
#12
M Manafi, S Khalaji, M Hedayati, N Pirany
This experiment was conducted to evaluate the effect of Bacillus subtilis (BS) on broiler performance and health after intramuscular inoculation with E. coli and compare its effect with a growth promoter antibiotic. In a completely randomized design manner, 360 male Ross 308 chicks were divided into 6 treatments and 5 replicates of 12 chicks in each replicate. Experimental treatments included control diet, control + E. coli (0.5 mL of culture containing 108 CFU of E. coli/ml), control + 0.1% BS, control + 0...
October 6, 2016: Poultry Science
https://www.readbyqxmd.com/read/28339294/rapid-assessment-of-antimicrobial-resistance-prevalence-using-a-lot-quality-assurance-sampling-approach
#13
Frank van Leth, Casper den Heijer, Mariëlle Beerepoot, Ellen Stobberingh, Suzanne Geerlings, Constance Schultsz
AIM: Increasing antimicrobial resistance (AMR) requires rapid surveillance tools, such as Lot Quality Assurance Sampling (LQAS). MATERIALS & METHODS: LQAS classifies AMR as high or low based on set parameters. We compared classifications with the underlying true AMR prevalence using data on 1335 Escherichia coli isolates from surveys of community-acquired urinary tract infection in women, by assessing operating curves, sensitivity and specificity. RESULTS: Sensitivity and specificity of any set of LQAS parameters was above 99% and between 79 and 90%, respectively...
March 24, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28339033/role-of-tropomyosin-in-silkworm-allergy
#14
Kyoung Yong Jeong, In-Soo Han, June Yong Lee, Kyung Hee Park, Jae-Hyun Lee, Jung-Won Park
Silkworm pupae are widely consumed in Asian countries and allergic reactions following consumption have been described. However, false‑positive responses in skin prick allergy tests or non‑specific immunoglobulin E (IgE) responses to total extract of silkworm pupa make diagnosis difficult. Although improved allergy diagnosis is required, molecular characterization of silkworm allergens has not been performed to date, except for Bomb m 1, an arginine kinase. This study aimed to evaluate the allergenicity of tropomyosin, a well‑established invertebrate pan‑allergen, from silkworm pupa...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338958/molecular-cloning-and-characterization-of-antimicrobial-peptides-from-skin-of-hylarana-guentheri
#15
Zhu Dong, Wenjie Luo, Hengren Zhong, Manchuriga Wang, Yanting Song, Shiming Deng, Yingxia Zhang
The cDNAs encoding antimicrobial peptides (AMPs) in the skin of Hylarana guentheri were identified, namely temporin (five peptides, termed temporin-GHa-GHd and temporin-GUa), brevinin-1 (one peptide, brevinin-1GUb), and brevinin-2 (eight peptides, brevinin-2GHd-2GHj, and brevinin-2GHb). Eleven of the 14 peptides have novel primary structures. Synthesized temporin GHa-GHd have broad-spectrum antimicrobial activities against Gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis), Gram-negative bacteria (Escherichia coli, Vibrio alginolyticus, and Pseudomonas aeruginosa), as well as fungus (Candida albicans)...
March 18, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338864/lysine-acetylation-regulates-the-activity-of-escherichia-coli-pyridoxine-5-phosphate-oxidase
#16
(no author information available yet)
No abstract text is available yet for this article.
March 15, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338832/evidence-of-translation-efficiency-adaptation-of-the-coding-regions-of-the-bacteriophage-lambda
#17
Eli Goz, Oriah Mioduser, Alon Diament, Tamir Tuller
Deciphering the way gene expression regulatory aspects are encoded in viral genomes is a challenging mission with ramifications related to all biomedical disciplines. Here, we aimed to understand how the evolution shapes the bacteriophage lambda genes by performing a high resolution analysis of ribosomal profiling data and gene expression related synonymous/silent information encoded in bacteriophage coding regions.We demonstrated evidence of selection for distinct compositions of synonymous codons in early and late viral genes related to the adaptation of translation efficiency to different bacteriophage developmental stages...
February 28, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28338731/purification-and-enzymatic-characterization-of-gallus-gallus-blm-helicase
#18
Jing Shi, Na-Nv Liu, Yan-Tao Yang, Xu-Guang Xi
Mutations in human BLM helicase give rise to the autosomal recessive Bloom syndrome, which shows high predisposition to types of malignant tumours. Though lots of biochemical and structural investigations have shed lights on the helicase core, structural investigations of the whole BLM protein are still limited due to its low stability and production. Here by comparing with the expression systems and functions of other BLM homologues, we developed the heterologous high-level expression and high-yield purification systems for Gallus gallus BLM (gBLM) in Escherichia coli...
February 21, 2017: Journal of Biochemistry
https://www.readbyqxmd.com/read/28338319/postmetalated-zirconium-metal-organic-frameworks-as-a-highly-potent-bactericide
#19
Boushra Mortada, Tamara Abou Matar, Aya Sakaya, Hala Atallah, Zeinab Kara Ali, Pierre Karam, Mohamad Hmadeh
Metal-organic frameworks (MOFs) have emerged as an important class of hybrid organic-inorganic materials. One of the reasons they have gained remarkable attention is attributed to the possibility of altering them by postsynthetic modification, thereby providing access to new and novel advanced materials. MOFs have been applied in catalysis, gas storage, gas separation, chemical sensing, and drug delivery. However, their bactericidal use has rarely been explored. Herein, we developed a two-step process for the synthesis of zirconium-based MOFs metalated with silver cations as a potent antibacterial agent...
March 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28338155/-correlation-between-chronic-constipation-and-colorectal-neoplasms
#20
Baohua Liu
The correlation between chronic constipation and colorectal neoplasms has been arousing wide interest. There have been a number of domestic and international epidemiological and clinical researches focusing on this issue. Based on these researches, the correlation between constipation and colorectal neoplasms was studied from three aspects: constipation and colorectal polyps; constipation and colorectal cancer; melanosis coli (MC), laxatives and colorectal neoplasms. We find that constipation can significantly increase the incidence of colorectal polyps and constipation does not significantly increase the incidence of colorectal cancer but is one of the risk factors for colorectal cancer...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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