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https://www.readbyqxmd.com/read/29348638/changes-in-cytokine-responses-to-tb-antigens-esat-6-cfp-10-and-tb-7-7-and-inflammatory-markers-in-peripheral-blood-during-therapy
#1
Ah Young Leem, Joo Han Song, Eun Hye Lee, Hyejon Lee, Bora Sim, Song Yee Kim, Kyung Soo Chung, Eun Young Kim, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Joon Chang, Young Ae Kang
Multiple cytokines and inflammatory markers control TB infection. We aimed to investigate the changes in multiple cytokines and inflammatory markers in active TB patients following anti-TB drug therapy. Twenty-nine patients with active TB were recruited prospectively between December 2010 and July 2017. Blood samples were collected before (T0), after 2 months (T2), and at the end of anti-TB treatment (Tend). We measured the levels of Interferon (IFN)-γ, interleukin (IL)-2, IL-12, IL-10, IL-13 and tumor necrosis factor (TNF)-α in supernatants collected from the QuantiFERON-TB Gold In-Tube assay (QFT-GIT), as well as the WBC, neutrophil, platelet count and neutrophil to lymphocyte ratio (NLR) in whole blood...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29338982/involvement-of-peripheral-alpha2a-adrenoceptor-in-the-acceleration-of-gastrointestinal-transit-and-abdominal-visceral-pain-induced-by-intermittent-deprivation-of-rem-sleep
#2
Fukie Yaoita, Masamichi Muto, Hiroki Murakami, Shiori Endo, Mifuyu Kozawa, Masahiro Tsuchiya, Takeshi Tadano, Koichi Tan-No
Many studies have associated sleep alterations with the severity of irritable bowel syndrome (IBS) symptoms, but the direct pathophysiological relationship has not been clarified. In addition, alterations in noradrenergic signaling have been implicated in the pathophysiology of IBS, and alpha2-adrenoceptors are potential treatment targets. We have previously shown that acceleration of gastrointestinal transit (GIT) elicited by intermittent rapid eye movement (REM) sleep deprivation stress may fulfill the profile of a model of IBS...
January 12, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29330494/characterizing-the-bacterial-microbiota-in-different-gastrointestinal-tract-segments-of-the-bactrian-camel
#3
Jing He, Li Yi, Le Hai, Liang Ming, Wanting Gao, Rimutu Ji
The bacterial community plays important roles in the gastrointestinal tracts (GITs) of animals. However, our understanding of the microbial communities in the GIT of Bactrian camels remains limited. Here, we describe the bacterial communities from eight different GIT segments (rumen, reticulum, abomasum, duodenum, ileum, jejunum, caecum, colon) and faeces determined from 11 Bactrian camels using 16S rRNA gene amplicon sequencing. Twenty-seven bacterial phyla were found in the GIT, with Firmicutes, Verrucomicrobia and Bacteroidetes predominating...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330469/mycobacterium-tuberculosis-exploits-a-molecular-off-switch-of-the-immune-system-for-intracellular-survival
#4
Ulrich von Both, Maurice Berk, Paul-Michael Agapow, Joseph D Wright, Anna Git, Melissa Shea Hamilton, Greg Goldgof, Nazneen Siddiqui, Evangelos Bellos, Victoria J Wright, Lachlan J Coin, Sandra M Newton, Michael Levin
Mycobacterium tuberculosis (M. tuberculosis) survives and multiplies inside human macrophages by subversion of immune mechanisms. Although these immune evasion strategies are well characterised functionally, the underlying molecular mechanisms are poorly understood. Here we show that during infection of human whole blood with M. tuberculosis, host gene transcriptional suppression, rather than activation, is the predominant response. Spatial, temporal and functional characterisation of repressed genes revealed their involvement in pathogen sensing and phagocytosis, degradation within the phagolysosome and antigen processing and presentation...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330443/an-insight-into-intestinal-mucosal-microbiota-disruption-after-stroke
#5
Dragana Stanley, Robert J Moore, Connie H Y Wong
Recent work from our laboratory has provided evidence that indicates selective bacterial translocation from the host gut microbiota to peripheral tissues (i.e. lung) plays a key role in the development of post-stroke infections. Despite this, it is currently unknown whether mucosal bacteria that live on and interact closely with the host intestinal epithelium contribute in regulating bacterial translocation after stroke. Here, we found that the microbial communities within the mucosa of gastrointestinal tract (GIT) were significantly different between sham-operated and post-stroke mice at 24 h following surgery...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29325465/prevalence-of-positive-quantiferon-gold-in-tube-testing-in-hidradenitis-suppurativa
#6
Tina Boortalary, Kanchan Misra, Sean McNish, Derek Jones, Victoria K Shanmugam
Hidradenitis suppurativa (HS) is a chronic, recurrent, inflammatory disease of the apocrine sweat glands. Tumor necrosis factor-alpha (TNF-α) inhibitors are commonly used to treat HS. However, prior to initiating therapy patients must be screened for mycobacterium tuberculosis (mTB) exposure. Several mTB screening tests based on interferon gamma release assays are commercially available, but the performance of these assays in the HS population is unknown. The purpose of this study was to investigate the performance of the QuantiFERON gold in-tube assay (QFT-GIT) in a cohort of patients with Hidradenitis suppurativa (HS)...
January 12, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29317410/derivation-of-a-system-independent-ki-for-pgp-mediated-digoxin-transport-from-system-dependent-ic50-data-by-accounting-for-the-contribution-of-additional-digoxin-transporters
#7
Aqsaa Chaudhry, Git Chung, Adam Lynn, Akshata Yalvigi, Colin Brown, Harma Ellens, Michael O'Connor, Caroline Lee, Joe Bentz
It has been previously demonstrated that IC50 values for inhibition of digoxin transport across confluent cell monolayers are system-dependent. We have applied the structural mass action kinetics model for P-glycoprotein mediated transport of digoxin across confluent cell monolayers to fit IC50 curves for inhibition of digoxin transport. The model fit digoxin IC50 data from a subset of labs participating in the P-gp IC50 Initiative (2 Caco-2 labs, 1 LLC-PK1-hMDR1-NKI lab and 2 MDCKII-hMDR1-NKI labs), as well as IC50 data for inhibition of digoxin transport through monolayers of primary human proximal tubule cells (HPTC) using eight of the same inhibitors...
January 9, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29310332/quantifying-the-direct-public-health-care-cost-of-systemic-sclerosis-a-comprehensive-data-linkage-study
#8
Kathleen Morrisroe, Wendy Stevens, Joanne Sahhar, Gene-Siew Ngian, Candice Rabusa, Nava Ferdowsi, Catherine Hill, Susanna Proudman, Mandana Nikpour
To quantify the direct healthcare cost of systemic sclerosis (SSc) and identify its determinants. Healthcare use was captured through data linkage, wherein clinical and medication data for SSc patients from the state of Victoria enrolled in the Australian Scleroderma Cohort Study were linked with the Victorian hospital admissions and emergency presentations data sets, and the Medicare Benefits Schedule which contains all government subsidized ambulatory care services, for the period 2011-2015. Medication cost was determined from the Pharmaceutical Benefits Scheme...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29305719/factors-associated-with-palliative-care-referral-among-patients-with-advanced-cancers-a-retrospective-analysis-of-a-large-brazilian-cohort
#9
Talita Caroline de Oliveira Valentino, Bianca Sakamoto Ribeiro Paiva, Marco Antonio de Oliveira, David Hui, Carlos Eduardo Paiva
PURPOSE: The purpose of the study is to estimate the proportion of patients who had access to palliative care (PC) and to identify the timing and factors associated with this access. METHODS: A retrospective longitudinal study that included patients who died of advanced cancer between the years of 2010 and 2014 was conducted. The proportion of patients who received PC consultations was compared during those years. Sociodemographic and clinical factors, the timing between first PC consultation and death (early, ≥ 3 months; late, < 3 months), and first PC consultation were assessed...
January 5, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29302504/characteristics-of-upper-gastrointestinal-tract-involvement-in-korean-pediatric-crohn-s-disease-a-multicenter-study
#10
Ji Hyoung Park, Hye Na Nam, Ji-Hyuk Lee, Jeana Hong, Dae Yong Yi, Eell Ryoo, In Sang Jeon, Hann Tchah
Purpose: Crohn's disease (CD) can involve any site of the gastrointestinal tract (GIT). However, the characteristics of upper GIT involvement in CD are unclear, especially in the Eastern pediatric population. This study aimed to estimate the prevalence of upper GIT involvement and identify the clinical features of Korean children with CD. Methods: This was a retrospective multicenter cohort study that included 52 pediatric patients with CD who underwent esophagogastroduodenoscopy and biopsy...
December 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/29300412/the-influence-of-chemical-degradation-during-dietary-exposures-to-fish-on-biomagnification-factors-and-bioaccumulation-factors
#11
Jon A Arnot, Donald Mackay
The chemical dietary absorption efficiency (ED) quantifies the amount of chemical absorbed by an organism relative to the amount of chemical an organism is exposed to following ingestion. In particular, ED can influence the extent of bioaccumulation and biomagnification for hydrophobic chemicals. A new ED model is developed to quantify chemical process rates in the gastrointestinal tract (GIT). The new model is calibrated with critically evaluated measured ED values (n = 250) for 80 hydrophobic persistent chemicals...
January 4, 2018: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29280198/candiduria-in-kidney-transplant-recipients-is-antifungal-therapy-useful
#12
Blandine Denis, Dorothée Chopin, Prescillia Piron, Matthieu Resche-Rigon, Stéphane Bretagne, Maud Gits-Muselli, Marie-Noelle Peraldi, Imad Abboud, Jean-Michel Molina
A French single-center retrospective study between 2010-2014 was undertaken to assess candiduria's incidence in kidney transplant recipients (KTR), and the use and impact of antifungal treatment on outcome. Candiduria was defined as a urine culture with ≥ 103 cfu/mL of Candida species. Candiduria clearance, severe complications and death rates were estimated by Kaplan-Meier methods and the effect of treatment by Cox models. 52/1223 (4.3%) KTR had ≥ 1 episode of candiduria, 42 (81%) were female, 18 (35%) had diabetes, with an incidence of 2...
December 27, 2017: Mycoses
https://www.readbyqxmd.com/read/29277097/systemic-review-agreement-between-the-latent-tuberculosis-screening-tests-among-patients-with-rheumatic-diseases
#13
Junhee Pyo, Soo-Kyung Cho, Dam Kim, Yoon-Kyoung Sung
Background/Aims: To estimate the level of agreement and positivity rates of latent tuberculosis infection (LTBI) tests prior to the use of tumor necrosis factor (TNF) inhibitors in relation to underlying rheumatic diseases and endemic tuberculosis levels. Methods: The Ovid-Medline, Embase, and Cochrane Libraries were searched for articles before October 2013 involving LTBI screening in rheumatic patients, including rheumatoid arthritis (RA), ankylosing spondylitis (AS), juvenile idiopathic arthritis (JIA), and psoriatic arthritis...
December 28, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29276774/effect-of-environmental-factors-and-an-emerging-parasitic-disease-on-gut-microbiome-of-wild-salmonid-fish
#14
Anti Vasemägi, Marko Visse, Veljo Kisand
The gastrointestinal tract (GIT) of fish supports a dynamic microbial ecosystem that is intimately linked to host nutrient acquisition, epithelial development, immune system priming, and disease prevention, and we are far from understanding the complex interactions among parasites, symbiotic gut bacteria, and host fitness. Here, we analyzed the effects of environmental factors and parasitic burdens on the microbial composition and diversity within the GIT of the brown trout (Salmo trutta). We focused on the emerging dangerous salmonid myxozoan parasite Tetracapsuloides bryosalmonae, which causes proliferative kidney disease in salmonid fish, to demonstrate the potential role of GIT micobiomes in the modulation of host-parasite relationships...
November 2017: MSphere
https://www.readbyqxmd.com/read/29276507/in-silico-analysis-of-the-small-molecule-content-of-outer-membrane-vesicles-produced-by-bacteroides-thetaiotaomicron-indicates-an-extensive-metabolic-link-between-microbe-and-host
#15
William A Bryant, Régis Stentz, Gwenaelle Le Gall, Michael J E Sternberg, Simon R Carding, Thomas Wilhelm
The interactions between the gut microbiota and its host are of central importance to the health of the host. Outer membrane vesicles (OMVs) are produced ubiquitously by Gram-negative bacteria including the gut commensal Bacteroides thetaiotaomicron. These vesicles can interact with the host in various ways but until now their complement of small molecules has not been investigated in this context. Using an untargeted high-coverage metabolomic approach we have measured the small molecule content of these vesicles in contrasting in vitro conditions to establish what role these metabolites could perform when packed into these vesicles...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29258228/multi-omic-biogeography-of-the-gastrointestinal-microbiota-of-a-pre-weaned-lamb
#16
Antonio Palomba, Alessandro Tanca, Cristina Fraumene, Marcello Abbondio, Francesco Fancello, Alberto Stanislao Atzori, Sergio Uzzau
The digestive functions of the pre-weaned lamb gastrointestinal tracts (GITs) have been the subject of much research in recent years, but the microbial and host functions underlying these complex processes remain largely unknown. Here, we undertook a proof-of-principle metaproteogenomic investigation on luminal and mucosal samples collected from 10 GITs of a 30-day-old pre-weaned lamb. We demonstrate that the analysis of the diverse ecological niches along the GITs can reveal microbiota composition and metabolic functions, although low amounts of microbial proteins could be identified in the small intestinal and mucosal samples...
December 18, 2017: Proteomes
https://www.readbyqxmd.com/read/29234525/invasive-candida-infection-after-upper-gastrointestinal-tract-surgery-for-gastric-cancer
#17
Evgeni Brotfain, Gilbert Sebbag, Michael Friger, Boris Kirshtein, Abraham Borer, Leonid Koyfman, Dmitry Frank, Yoav Bichovsky, Jochanan G Peiser, Moti Klein
Upper gastrointestinal tract (GIT) surgical procedures are more likely to cause nosocomial Candida peritonitis than lower GIT procedures and they thus constitute an independent risk factor for mortality. Because of the severity of postsurgical fungal infections complications, intensivists and surgeons need to be extremely aware of their clinical importance in critically ill postsurgical intensive care unit (ICU) patients. We analyzed the clinical and microbiological data of 149 oncologic patients who were hospitalized in the ICU at Soroka Medical Center between January 2010 and January 2015 after undergoing upper GIT surgery for gastric cancer...
2017: International Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29228845/correction-to-choi-et-al-diagnostic-usefulness-of-the-quantiferon-tb-gold-in-tube-test-qft-git-for-tuberculous-vertebral-osteomyelitis
#18
(no author information available yet)
No abstract text is available yet for this article.
December 12, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/29228191/frogs-find-rapidly-otus-with-galaxy-solution
#19
Frédéric Escudié, Lucas Auer, Maria Bernard, Mahendra Mariadassou, Laurent Cauquil, Katia Vidal, Sarah Maman, Guillermina Hernandez-Raquet, Sylvie Combes, Géraldine Pascal
Motivation: Metagenomics leads to major advances in microbial ecology and biologists need user friendly tools to analyze their data on their own. Results: This Galaxy-supported pipeline, called FROGS, is designed to analyze large sets of amplicon sequences and produce abundance tables of Operational Taxonomic Units (OTUs) and their taxonomic affiliation. The clustering uses Swarm. The chimera removal uses VSEARCH, combined with original cross-sample validation. The taxonomic affiliation returns an innovative multi-affiliation output to highlight databases conflicts and uncertainties...
December 7, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29222752/using-psamm-for-the-curation-and-analysis-of-genome-scale-metabolic-models
#20
Keith Dufault-Thompson, Jon Lund Steffensen, Ying Zhang
PSAMM is an open source software package that supports the iterative curation and analysis of genome-scale models (GEMs). It aims to integrate the annotation and consistency checking of metabolic models with the simulation of metabolic fluxes. The model representation in PSAMM is compatible with version tracking systems like Git, which allows for full documentation of model file changes and enables collaborative curations of large, complex models. This chapter provides a protocol for using PSAMM functions and a detailed description of the various aspects in setting up and using PSAMM for the simulation and analysis of metabolic models...
2018: Methods in Molecular Biology
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