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https://www.readbyqxmd.com/read/29141401/-simulation-of-an-outbreak-of-acinetobacter-baumannii-in-hospitals
#1
A Martín-Del Rey, M García-Moro, E García-Sánchez, E García-Merino, J E García-Sánchez
OBJECTIVE: Acinetobacter baumannii infections have increased over time becoming a significant issue. Consequently, those applications that allow to predict the evolution of an outbreak and the relevance of the different control methods, are very important. The design of mathematical models plays a central role in this topic. METHODS: Development of a deterministic mathematical model based on ordinary differential equations whose variables and parameters are defined upon the basis of knowledge of the epidemiology and characteristics of A...
November 13, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/29141400/antifungal-treatment-with-echinocandins-a-10-year-clinical-experience
#2
R Poves-Alvarez, B Cano-Hernández, S Balbás-Alvarez, P Román-García, M Heredia-Rodríguez, E Gómez-Sánchez, E Gómez-Pesquera, M Lorenzo-López, B Martínez-Rafael, M F Muñoz-Moreno, J M Eiros, E Tamayo
OBJECTIVE: The number of studies evaluating the use of echinocandins, whether or not its indication meets international guidelines, in clinical practice is limited. The objective of the present study was to determine the use of echinocandins in a tertiary Spanish hospital in 10 years of clinical practice, and to evaluate its impact on prognosis. METHODS: This retrospective study involved adult nonneutropenic ill patients with suspicion of fungal invasion who started treatment with echinocandins between 2006 and 2015...
November 10, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/29141328/-association-between-smoking-smoking-cessation-and-glycemic-control-in-male-patients-with-type-2-diabetes
#3
J Su, Y Qin, C Shen, Y Gao, E C Pan, X Q Pan, R Tao, Y Q Zhang, M Wu
Objective: To explore the association of smoking and smoking cessation with glycemic control in male patients with type 2 diabetes. Methods: From December 2013 to January 2014, a total of 7 763 male patients with type 2 diabetes, who received national basic public health service in Changshu county of Suzhou city, Huai'an and Qinghe districts of Huai'an city, Jiangsu province, were recruited by cluster sampling. Questionnaire survey and anthropometric measurements were conducted, and fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c) levels were measured...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29141269/-practice-guideline-autoimmune-liver-diseases-awmf-reg-no-021-27
#4
(no author information available yet)
The guideline was created under the leadership of the DGVS and with participation of neighbouring scientific societies and is intended as a practical aid for the diagnosis and therapy of autoimmune liver diseases. The aim is to represent the current state of science, promote the recognition of the disease and improve the treatment of patients.
November 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29141266/-impact-of-abdominal-ultrasound-on-the-identification-of-the-site-of-infection-in-the-emergency-department-analysis-whether-it-makes-sense-to-perform-abdominal-ultrasound-examination-for-the-identfication-of-the-site-of-infection-if-medical-history-and-clinical
#5
Barbara Werkmeister, Julia Langgartner, Doris Schacherer, Arno Mohr
Introduction A very high number of patients presenting in emergency departments suffer from an unknown infection or rather fever. If diagnostic imaging is necessary ultrasound can be performed. Whether ultrasound is superior to medical history and clinical examination considering the significantly enhanced technology in recent years and hence has to be performed in patients without abdominal symptoms with non-obvious focus cannot be answered by review of the literature. The objective of this study was to evaluate the relevance of abdominal ultrasound in the determination of the site of infection and to analyse whether an abdominal ultrasound for the identification of the source of infection is dispensable in patients in whom history and clinical examination do not indicate an abdominal focus...
November 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29141263/cross-correlation-of-heart-rate-and-oxygen-saturation-in-very-low-birthweight-infants-association-with-apnea-and-adverse-events
#6
Karen D Fairchild, Douglas E Lake
No abstract text is available yet for this article.
November 15, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/29141262/impact-of-pregnancy-history-and-17-hydroxyprogesterone-caproate-on-cervical-cytokines-and-matrix-metalloproteinases
#7
Steve N Caritis, Gary Hankins, Mary Hebert, David M Haas, Mahmoud Ahmed, Hyagriv Simhan, Laura A Haneline, John Harris, Justine Chang, Alyssa Stephenson Famy, Patrick Yorio, Zhaoxia Ren, Mary E D'Alton, Raman Venkataramanan
No abstract text is available yet for this article.
November 15, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/29141257/phalloplasty-in-female-to-male-transsexuals-by-gottlieb-and-levine-s-free-radial-forearm-flap-technique-a-long-term-single-center-experience-over-more-than-two-decades
#8
Anna E Wirthmann, Pawel Majenka, Melanie C Kaufmann, Sascha V Wellenbrock, Lara Kasper, Susanne Hüttinger, Gabriel Djedovic, Ahmet Bozkurt, Michael Sohn, Ulrich M Rieger
No abstract text is available yet for this article.
November 15, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29141238/rationale-redesign-of-type-iii-secretion-systems-toward-the-development-of-non-pathogenic-e-coli-for-in-vivo-delivery-of-therapeutic-payloads
#9
REVIEW
Coral González-Prieto, Cammie F Lesser
Transkingdom secretion systems that bacteria use to inject proteins directly into the cytosol of mammalian host cells play an essential role in the virulence of many Gram-negative bacterial pathogens. Current efforts are underway to repurpose these machines as novel therapeutics; type III secretion systems as vectors for the delivery of proteins of therapeutic value including heterologous antigens for vaccine development and type IV secretion systems as vectors for DNA. While initial studies focused on the use of attenuated or replication incompetent pathogens, the recent development of non-pathogenic Escherichia coli that encode programmable type III secretion systems expands possibilities for the in vivo directed delivery of therapeutic payloads...
November 12, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29141236/concentrations-of-a-pgf2%C3%AE-metabolite-during-pregnancy-on-the-days-that-luteolysis-occurs-in-nonbred-heifers
#10
REVIEW
F L V Pinaffi, E R Araujo, O J Ginther
Concentrations of a metabolite of PGF2α (PGFM) were compared between nonbred (n = 6) and pregnant (n = 8) heifers on days 16, 17, and 18 postovulation. On each day, an 8-h session of hourly blood sampling was done. Averaged over the 8-h sessions, mean concentration of PGFM was less (P < 0.0009) in the pregnant group (45.2 ± 3.2 pg/mL) than that in the nonbred group (65.6 ± 7.9 pg/mL), but the minimal concentration per session was not significantly different between groups. Pulses of PGFM (identified by coefficient of variance) were similar in frequency between groups but were less (P < 0...
November 3, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29141231/molecular-mechanism-by-which-prominent-human-gut-bacteroidetes-utilize-mixed-linkage-beta-glucans-major-health-promoting-cereal-polysaccharides
#11
Kazune Tamura, Glyn R Hemsworth, Guillaume Déjean, Theresa E Rogers, Nicholas A Pudlo, Karthik Urs, Namrata Jain, Gideon J Davies, Eric C Martens, Harry Brumer
No abstract text is available yet for this article.
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141225/a-comprehensive-patient-derived-xenograft-collection-representing-the-heterogeneity-of-melanoma
#12
Clemens Krepler, Katrin Sproesser, Patricia Brafford, Marilda Beqiri, Bradley Garman, Min Xiao, Batool Shannan, Andrea Watters, Michela Perego, Gao Zhang, Adina Vultur, Xiangfan Yin, Qin Liu, Ioannis N Anastopoulos, Bradley Wubbenhorst, Melissa A Wilson, Wei Xu, Giorgos Karakousis, Michael Feldman, Xiaowei Xu, Ravi Amaravadi, Tara C Gangadhar, David E Elder, Lauren E Haydu, Jennifer A Wargo, Michael A Davies, Yiling Lu, Gordon B Mills, Dennie T Frederick, Michal Barzily-Rokni, Keith T Flaherty, Dave S Hoon, Michael Guarino, Joseph J Bennett, Randall W Ryan, Nicholas J Petrelli, Carol L Shields, Mizue Terai, Takami Sato, Andrew E Aplin, Alexander Roesch, David Darr, Steve Angus, Rakesh Kumar, Ensar Halilovic, Giordano Caponigro, Sebastien Jeay, Jens Wuerthner, Annette Walter, Matthias Ocker, Matthew B Boxer, Lynn Schuchter, Katherine L Nathanson, Meenhard Herlyn
Therapy of advanced melanoma is changing dramatically. Following mutational and biological subclassification of this heterogeneous cancer, several targeted and immune therapies were approved and increased survival significantly. To facilitate further advancements through pre-clinical in vivo modeling, we have established 459 patient-derived xenografts (PDX) and live tissue samples from 384 patients representing the full spectrum of clinical, therapeutic, mutational, and biological heterogeneity of melanoma...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141217/th1-like-plasmodium-specific-memory-cd4-t-cells-support-humoral-immunity
#13
Ryan A Zander, Rahul Vijay, Angela D Pack, Jenna J Guthmiller, Amy C Graham, Scott E Lindner, Ashley M Vaughan, Stefan H I Kappe, Noah S Butler
Effector T cells exhibiting features of either T helper 1 (Th1) or T follicular helper (Tfh) populations are essential to control experimental Plasmodium infection and are believed to be critical for resistance to clinical malaria. To determine whether Plasmodium-specific Th1- and Tfh-like effector cells generate memory populations that contribute to protection, we developed transgenic parasites that enable high-resolution study of anti-malarial memory CD4 T cells in experimental models. We found that populations of both Th1- and Tfh-like Plasmodium-specific memory CD4 T cells persist...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141214/partitioning-of-one-carbon-units-in-folate-and-methionine-metabolism-is-essential-for-neural-tube-closure
#14
Kit-Yi Leung, Yun Jin Pai, Qiuying Chen, Chloe Santos, Enrica Calvani, Sonia Sudiwala, Dawn Savery, Markus Ralser, Steven S Gross, Andrew J Copp, Nicholas D E Greene
Abnormal folate one-carbon metabolism (FOCM) is implicated in neural tube defects (NTDs), severe malformations of the nervous system. MTHFR mediates unidirectional transfer of methyl groups from the folate cycle to the methionine cycle and, therefore, represents a key nexus in partitioning one-carbon units between FOCM functional outputs. Methionine cycle inhibitors prevent neural tube closure in mouse embryos. Similarly, the inability to use glycine as a one-carbon donor to the folate cycle causes NTDs in glycine decarboxylase (Gldc)-deficient embryos...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141204/characterization-of-the-complete-genome-antigenicity-pathogenicity-tissue-tropism-and-shedding-of-a-recombinant-avian-infectious-bronchitis-virus-with-a-ck-ch-ljl-140901-like-backbone-and-an-s2-fragment-from-a-4-91-like-virus
#15
Lei Jiang, Zongxi Han, Yuqiu Chen, Wenjun Zhao, Junfeng Sun, Yan Zhao, Shengwang Liu
In this study, we isolated an infectious bronchitis virus, designated I1101/16, from broiler breeders in China. Analysis of the S1 gene showed that isolate I1101/16 was genetically close to strain ck/CH/LJL/140901, which belongs to the TW I genotype (also known as lineage GI-7 based on the recent IBV classification), however the S2 gene showed genetic diversity comparing to that of S1 gene. Comparison of the genomic sequences showed that the genome of isolate I1101/16 was similar to that of strain ck/CH/LJL/140901 from the 5' end of the genome to the 5' end of the S2 gene and from the 5' end of the 3a gene to the end of the genome, whereas the remaining parts of the genome sequences were more closely related to those of strain 4/91 than those of ck/CH/LJL/140901, thereby suggesting that recombination might have occurred during the origin of the virus...
November 12, 2017: Virus Research
https://www.readbyqxmd.com/read/29141198/longitudinal-change-in-central-corneal-thickness-in-the-tema-eye-survey
#16
Jean-Claude Mwanza, Samantha E Tulenko, Donald L Budenz, Elizabeth Mathenge, Leon H Herndon, Hanna Y Kim, Alyson Hall, Graham Hay-Smith, Alexander Spratt, Keith Barton
PURPOSE: To determine the change and rate of change in central corneal thickness (CCT) and their determinants. DESIGN: Longitudinal observational population-based study. METHODS: 758 normal and 58 glaucomatous subjects underwent complete eye examination, with CCT measurements at two separate visits. Change and rate of change in CCT were determined. Univariate and multivariate linear regression analyses were performed to determine the factors associated with change and rate of change...
November 12, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141194/marginal-stability-drives-irreversible-unfolding-of-large-multi-domain-family-3-glycosylhydrolases-from-thermo-tolerant-yeast
#17
Mohammad Asif Shah, Saroj Mishra, Tapan Kumar Chaudhuri
Protein folding is an extremely complex and fast, yet perfectly defined process, involving interplay of many intra and inter-molecular forces. In vitro, these molecular interactions are reversible for many proteins e.g., smaller and monomeric, organized into single domains. However, refolding of larger multi-domain/multimeric proteins is much more complicated, proceeds in a hierarchal way and is often irreversible. In a comparative study on two large, multi-domain and multimeric isozymes, β -glucosidase I (BGLI) and β-glucosidase II (BGLII) from Pichia etchellsii, we studied spontaneous and assisted refolding under three denaturing conditions viz...
November 12, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29141184/unrecognized-venous-injuries-after-cardiac-implantable-electronic-device-transvenous-lead-extraction
#18
Khaldoun G Tarakji, Walid Saliba, Danny Markabawi, E Rene Rodriguez, Yoaav Krauthammer, Michael P Brunner, Ayman A Hussein, Bryan Baranowski, Daniel J Cantillon, Mohamed Kanj, Mark Niebauer, Jack Rickard, Thomas Callahan, Mingyuan Shao, David O Martin, Oussama M Wazni, Bruce L Wilkoff, Carmela D Tan
BACKGROUND: Major complication rate of transvenous lead extraction (TLE) is estimated around 1-2.0%. Laceration of the central veins can be fatal. OBJECTIVES: to define the incidence and extent of venous injuries on a microscopic level after TLE and compare it with the incidence of clinically documented events of venous laceration. METHODS: We studied all patients who underwent TLE at our tertiary center within 30 months via a variety of techniques...
November 7, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29141182/optogenetic-activation-of-5-ht-neurons-in-the-dorsal-raphe-suppresses-seizure-induced-respiratory-arrest-and-produces-anticonvulsant-effect-in-the-dba-1-mouse-sudep-model
#19
Honghai Zhang, Haiting Zhao, Chang Zeng, Christa Van Dort, Carl L Faingold, Norman E Taylor, Ken Solt, Hua-Jun Feng
Sudden unexpected death in epilepsy (SUDEP) is a devastating epilepsy complication. Seizure-induced respiratory arrest (S-IRA) occurs in many witnessed SUDEP patients and animal models as an initiating event leading to death. Thus, understanding the mechanisms underlying S-IRA will advance the development of preventive strategies against SUDEP. Serotonin (5-HT) is an important modulator for many vital functions, including respiration and arousal, and a deficiency of 5-HT signaling is strongly implicated in S-IRA in animal models, including the DBA/1 mouse...
November 12, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/29141179/formation-of-longitudinal-axon-pathways-in-caenorhabditis-elegans
#20
REVIEW
Harald Hutter
The small number of neurons and the simple architecture of the Caenorhabditis elegans (C. elegans) nervous system enables researchers to study axonal pathfinding at the level of individually identified axons. Axons in C. elegans extend predominantly along one of the two major body axes, the anterior-posterior axis and the dorso-ventral axis. This review will focus on axon navigation along the anterior-posterior axis, leading to the establishment of the longitudinal axon tracts, with a focus on the largest longitudinal axon tract, the ventral nerve cord (VNC)...
November 12, 2017: Seminars in Cell & Developmental Biology
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