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https://www.readbyqxmd.com/read/28445957/peripheral-kynurenine-tryptophan-ratio-is-not-a-reliable-marker-of-systemic-indoleamine-2-3-dioxygenase-a-lesson-drawn-from-patients-on-hemodialysis
#1
Yuanhan Chen, Zhen Xie, Chenggen Xiao, Min Zhang, Zhilian Li, Jianteng Xie, Yusheng Zhang, Xingchen Zhao, Pengfei Zeng, Liyi Mo, Xinling Liang, Wei Shi
Indoleamine 2,3-dioxygenase (IDO) has emerged as a pivotal enzyme for mediating immune tolerance. Because IDO metabolizes tryptophan into kynurenine, the plasma kynurenine/tryptophan (Kyn/Trp) ratio has been widely used as a marker of systemic IDO. Here, we evaluated the clinical value of using the plasma Kyn/Trp ratio to estimate cell-mediated immune responses to tuberculin skin testing and risk of new bacterial infection. We also compared the Kyn/Trp ratio to a novel IDO marker, the IDO median fluorescence index (MFI) of peripheral blood mononuclear cells, which was determined by flow cytometry...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445858/the-impact-of-minor-blood-transfusion-on-the-outcome-after-coronary-artery-bypass-grafting
#2
Eeva-Maija Kinnunen, Marco Zanobini, Francesco Onorati, Debora Brascia, Giovanni Mariscalco, Ilaria Franzese, Vito G Ruggieri, Karl Bounader, Andrea Perrotti, Francesco Musumeci, Giuseppe Santarpino, Daniele Maselli, Saverio Nardella, Helmut Gulbins, Riccardo Gherli, Antonino S Rubino, Carmelo Mignosa, Marisa De Feo, Giuseppe Gatti, Francesco Santini, Antonio Salsano, Magnus Dalén, Matteo Saccocci, Daniel Reichart, Giuseppe Faggian, Tiziano Gherli, Francesco Nicolini, Fausto Biancari
PURPOSE: To investigate the impact of minor perioperative bleeding requiring transfusion of 1-2 red blood cell (RBC) units on the outcome after coronary artery bypass grafting (CABG). METHODS: Sixteen cardiac surgical centers contributed to the prospective European CABG registry (E-CABG). 1014 patients receiving 1-2 RBC units during or after isolated CABG were compared to 2264 patients not receiving RBCs. RESULTS: In 827 propensity score matched pairs, transfusion of 1-2 RBC units did not affect the risk of in-hospital/30-day death (p=0...
April 19, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28445705/mutation-characterization-and-heterodimer-analysis-of-patients-with-leukocyte-adhesion-deficiency-including-one-novel-mutation
#3
Shahram Teimourian, Martin De Boer, Dirk Roos, Anna Isaian, Ehsan Moghanloo, Sharhzad Lashkary, Bita Hassani, Hasan Mollanoori, Vahid Babaei, Asaad Azarnezhad
BACKGROUND AND AIM: Leukocyte adhesion deficiency type 1 (LAD-I) is a rare, autosomal recessive disorder of neutrophil migration, characterized by severe, recurrent bacterial infections, inadequate pus formation and impaired wound healing. The ITGB2 gene encodes the β2 integrin subunit (CD18) of the leukocyte adhesion cell molecules, and mutations in this gene cause LAD-I. The aim of the current study was to investigate the mutations in patients diagnosed with LAD-I and functional studies of the impact of two previously reported and a novel mutation on the expression of the CD18/CD11a heterodimer...
April 23, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28445479/in-vitro-and-in-vivo-antivirus-activity-of-an-anti-programmed-death-ligand-1-pd-l1-rat-bovine-chimeric-antibody-against-bovine-leukemia-virus-infection
#4
Asami Nishimori, Satoru Konnai, Tomohiro Okagawa, Naoya Maekawa, Ryoyo Ikebuchi, Shinya Goto, Yamato Sajiki, Yasuhiko Suzuki, Junko Kohara, Satoshi Ogasawara, Yukinari Kato, Shiro Murata, Kazuhiko Ohashi
Programmed death-1 (PD-1), an immunoinhibitory receptor on T cells, is known to be involved in immune evasion through its binding to PD-ligand 1 (PD-L1) in many chronic diseases. We previously found that PD-L1 expression was upregulated in cattle infected with bovine leukemia virus (BLV) and that an antibody that blocked the PD-1/PD-L1 interaction reactivated T-cell function in vitro. Therefore, this study assessed its antivirus activities in vivo. First, we inoculated the anti-bovine PD-L1 rat monoclonal antibody 4G12 into a BLV-infected cow...
2017: PloS One
https://www.readbyqxmd.com/read/28445126/clinical-features-and-surgical-treatment-of-sacral-schwannomas
#5
Weibo Pan, Zhan Wang, Nong Lin, Xin Huang, Meng Liu, Xiaobo Yan, Zhaoming Ye
BACKGROUND: Sacral schwannoma is relatively rare and both the early diagnosis and appropriate treatment of sacral schwannomas are equally very challenging. METHODS: 11 sacral schwannoma cases operated at the Second Affiliated Hospital, School of Medicine, Zhejiang University, from 2012 to 2016, were investigated retrospectively and 10 were followed up. All patients were assessed with X-ray, CT and MRI, and underwent an intralesional excision. RESULTS: One patient was male, nine were female and the average age was 48 (ranging between 31 and 63)...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445122/importation-of-zika-virus-from-vietnam-to-japan-november-2016
#6
Takehiro Hashimoto, Satoshi Kutsuna, Shigeru Tajima, Eri Nakayama, Takahiro Maeki, Satoshi Taniguchi, Chang-Kweng Lim, Yuichi Katanami, Nozomi Takeshita, Kayoko Hayakawa, Yasuyuki Kato, Norio Ohmagari
We report a case of Zika virus infection that was imported to Japan by a traveler returning from Vietnam. We detected Zika virus RNA in the patient's saliva, urine, and whole blood. In the Zika virus strain isolated from the urine, we found clearly smaller plaques than in previous strains.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28445008/prevalence-of-complement-mediated-cell-lysis-like-gene-sicg-in-streptococcus-dysgalactiae-subsp-equisimilis-isolates-from-japan-2014-2016
#7
Takashi Takahashi, Tomohiro Fujita, Akiyoshi Shibayama, Yuzo Tsuyuki, Haruno Yoshida
BACKGROUND: Streptococcus dysgalactiae subsp. equisimilis (SDSE; a β-hemolytic streptococcus of human or animal origin) infections are emerging worldwide. We evaluated the clonal distribution of complement-mediated cell lysis-like gene (sicG) among SDSE isolates from three central prefectures of Japan. METHODS: Group G/C β-hemolytic streptococci were collected from three institutions from April 2014 to March 2016. Fifty-five strains (52 from humans and three from animals) were identified as SDSE on the basis of 16S rRNA sequencing data...
July 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28444873/hematologic-hepatic-and-renal-function-changes-in-hospitalized-patients-with-middle-east-respiratory-syndrome-coronavirus
#8
J A Al-Tawfiq, K Hinedi, S Abbasi, M Babiker, A Sunji, M Eltigani
BACKGROUND: There are no longitudinal data on the changes in hematologic, hepatic, and renal function findings in patients with Middle East respiratory syndrome coronavirus (MERS-CoV) infection. METHODS: This is a retrospective cohort study of 16 MERS-CoV patients, to describe the hematological, hepatic, and renal findings of patients with MERS-CoV. RESULTS: During the 21 days of observation, there was no significant change in the hepatic panel or creatinine tests...
April 26, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28444588/unveiling-differentially-expressed-genes-upon-regulation-of-transcription-factors-in-sepsis
#9
Junli Zhang, Yuelei Cheng, Minmin Duan, Nannan Qi, Jian Liu
In this study, we integrated the gene expression data of sepsis to reveal more precise genome-wide expression signature to shed light on the pathological mechanism of sepsis. Differentially expressed genes via integrating five microarray datasets from the Gene Expression Omnibus database were obtained. The gene function and involved pathways of differentially expressed genes (DEGs) were detected by GeneCodis3. Transcription factors (TFs) targeting top 20 dysregulated DEGs (including up- and downregulated genes) were found based on the TRANSFAC...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28444299/environmental-factors-associated-with-disease-flare-in-juvenile-and-adult-dermatomyositis
#10
Gulnara Mamyrova, Lisa G Rider, Alison Ehrlich, Olcay Jones, Lauren M Pachman, Robert Nickeson, Lisa G Criscone-Schreiber, Lawrence K Jung, Frederick W Miller, James D Katz
Objective.: The aim was to assess environmental factors associated with disease flare in juvenile and adult dermatomyositis (DM). Methods.: An online survey of DM patients from the USA and Canada examined smoking, sun exposure, infections, medications, vaccines, stressful life events and physical activity during the 6 months before flares, or in the past 6 months in patients without flares. Differences were evaluated by χ 2 and Fisher's exact tests, and significant univariable results were examined in multivariable logistic regression...
April 21, 2017: Rheumatology
https://www.readbyqxmd.com/read/28444232/co-trimoxazole-prophylaxis-asymptomatic-malaria-parasitemia-and-infectious-morbidity-in-hiv-exposed-uninfected-infants-in-malawi-the-ban-study
#11
Nicole L Davis, Jeffrey Wiener, Jonathan J Juliano, Linda Adair, Charles S Chasela, Dumbani Kayira, Michael G Hudgens, Charles van der Horst, Denise J Jamieson, Athena P Kourtis
Background: HIV-exposed infants are disproportionately at risk of morbidity and mortality compared with their HIV-unexposed counterparts. The role of co-trimoxazole preventive therapy (CPT) in reducing leading causes of infectious morbidity is unclear. Methods: We used data from the Breastfeeding, Antiretrovirals and Nutrition (BAN) clinical trial (conducted 2004-2010, Malawi) to assess the association of 1) CPT and 2) asymptomatic malaria parasitemia with respiratory and diarrheal morbidity in infants...
April 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28444097/chronic-polyarthritis-as-the-first-manifestation-of-childhood-systemic-polyarteritis-nodosa
#12
Glaucia Vanessa Novak, Koken Hayashi, Kohei Sampa, Yosuke Okumura, Gabriela Ribeiro Viola Ferreira, Clovis Artur Silva
Arthritis has been reported as an acute pattern, generally evanescent with oligoarthritis, mostly affecting knees and ankles in childhood systemic polyarteritis nodosa. However, chronic polyarthritis with morning stiffness mimicking juvenile idiopathic arthritis has not been reported. We describe the case of a 4-year old girl who had additive and chronic polyarthritis with edema, tenderness, pain on motion and morning stiffness for 2 months. After 45 days, she also presented painful subcutaneous nodules and erythematous-violaceous lesions in the extensor region of upper and lower limbs...
January 2017: Einstein
https://www.readbyqxmd.com/read/28443989/diagnostic-and-prognostic-value-of-procalcitonin-for-early-intracranial-infection-after-craniotomy
#13
Y Yu, H J Li
Intracranial infection is a common clinical complication after craniotomy. We aimed to explore the diagnostic and prognostic value of dynamic changing procalcitonin (PCT) in early intracranial infection after craniotomy. A prospective study was performed on 93 patients suspected of intracranial infection after craniotomy. Routine peripheral venous blood was collected on the day of admission, and C reactive protein (CRP) and PCT levels were measured. Cerebrospinal fluid (CSF) was collected for routine biochemical, PCT and culture assessment...
April 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28443980/chagas-disease-national-survey-of-seroprevalence-in-children-under-five-years-of-age-conducted-in-2008
#14
Graciela Russomando, Blanca Cousiño, Zunilda Sanchez, Laura X Franco, Eva M Nara, Lilian Chena, Magaly Martínez, María E Galeano, Lucio Benitez
BACKGROUND: Since the early 1990s, programs to control Chagas disease in South America have focused on eradicating domiciliary Triatoma infestans, the main vector. Seroprevalence studies of the chagasic infection are included as part of the vector control programs; they are essential to assess the impact of vector control measures and to monitor the prevention of vector transmission. OBJECTIVE: To assess the interruption of domiciliary vector transmission of Chagas disease by T...
May 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28443674/perinatal-bacterial-exposure-contributes-to-il-13-aeroallergen-response
#15
Benjamin A Turturice, Ravi Ranjan, Brian Nguyen, Lauren M Hughes, Kalista E Andropolis, Diane R Gold, Augusto A Litonjua, Emily Oken, David L Perkins, Patricia W Finn
There is a high prevalence of aeroallergen sensitivity in asthmatic populations, and seroreactivity to aeroallergens early in infancy is associated with increased risk of developing asthma later in life. In addition to allergen sensitivity, asthma development has been associated with differential microbial exposure and infection in early life. We have has previously shown that cord blood mononuclear cells respond to common aeroallergens (i.e., house dust mite (Der f1), cockroach (Bla g2)) as assayed by lymphoproliferation and cytokine (IL-13, IFN-γ) production...
April 26, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28443566/atypical-chemokine-receptor-1-polymorphism-can-not-affect-susceptibility-to-hepatitis-c-virus
#16
Shu Ting Zhang, Ming Shi, Lin Nan Shao, Shi Hang Zhou, Wei Jian Yu, Mei Chen, Nan Xiao, Ying Duan, Ling Zi Pan, Ni Wang, Wen Qian Song, Yue Xin Xia, Li Zhang, Ning Qi, Ming Liu
BACKGROUND: Hepatitis C virus (HCV) has infected 130 to 150 million individuals globally. A significant number of chronically infected patients will develop liver cirrhosis, hepatocellular cancer and liver failure. Atypical Chemokine Receptor 1 (ACKR1) has become the focus because of its diverse roles in diseases. However, little is known regarding the association of ACKR1 polymorphism with the susceptibility to HCV. AIMS: The purpose of the present study is to determine the association of the ACKR1 polymorphisms (rs12075) with HCV susceptibility...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443500/occurrence-of-tem-shv-and-ctx-m-%C3%AE-lactamases-in-clinical-isolates-of-proteus-species-in-a-tertiary-care-center
#17
Mohit Chaubey, Suchitra Shenoy
BACKGROUND: Extended spectrum beta lactamases (ESBL) are responsible for increased resistance to third generation cephalosporins. Proteus species is an important cause of both community acquired and nosocomial infections. The Proteus spp is usually susceptible to beta lactam drugs but there is progressive increase in beta lactam resistance and recently ESBLs are also fast spreading to this species. OBJECTIVE: This study was conducted to study ESBL production and occurrence of TEM, SHV and CTX M beta lactamases in clinical isolates of Proteus spp in a tertiary care centre...
April 25, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28443360/overview-of-procalcitonin-assays-and-procalcitonin-guided-protocols-for-the-management-of-patients-with-infections-and-sepsis
#18
Philipp Schuetz, Celine Bretscher, Luca Bernasconi, Beat Mueller
Procalcitonin is a surrogate infection blood marker whose levels help estimate the likelihood of bacterial infections and correlate with their resolution. Recent trials have revealed the benefits of inclusion of procalcitonin in antibiotic stewardship protocols for initiation and discontinuation of antimicrobial therapy. Areas covered: Procalcitonin-guided antibiotic stewardship protocols have shown appreciable reductions in antibiotic use and duration of therapy in respiratory infections, sepsis, and other infections, with positive effects on clinical outcomes...
April 26, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28443247/evaluation-of-a-new-ifn-%C3%AE-release-assay-for-rapid-diagnosis-of-active-tuberculosis-in-a-high-incidence-setting
#19
Gen Li, Feng Li, Hui-Min Zhao, Han-Li Wen, Hai-Cong Li, Chun-Ling Li, Ping Ji, Peng Xu, Kang Wu, Zhi-Dong Hu, Shui-Hua Lu, Douglas B Lowrie, Jian-Xin Lv, Xiao-Yong Fan
Blood-based interferon-gamma (IFN-γ) release assays (IGRAs) have been proven to be useful in the diagnosis of Mycobacterium tuberculosis (Mtb) infection. However, IGRAs have not been recommended for clinical practice in most low-income settings due to cost-intensive limitations and shortage of clinical data available. The established T-SPOT. TB assay containing Mtb-specific antigens ESAT-6 and CFP10 are widely used for immunodiagonsis of Mtb infection, but the high cost is one of the restricting factors against its clinical application in the developing countries...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28443073/feed-supplementation-with-red-seaweeds-chondrus-crispus-and-sarcodiotheca-gaudichaudii-reduce-salmonella-enteritidis-in-laying-hens
#20
Garima Kulshreshtha, Bruce Rathgeber, Janice MacIsaac, Martine Boulianne, Lehoux Brigitte, Glenn Stratton, Nikhil A Thomas, Alan T Critchley, Jeff Hafting, Balakrishnan Prithiviraj
Salmonella Enteritidis is vertically transmitted to eggs from laying hens through infected ovaries and oviducts. S. Enteritidis can also penetrate the eggshell from contaminated feces. Reducing S. Enteritidis in laying hens is vital to provide safer eggs and minimize the spread of salmonellosis to humans. Antibiotics have been widely used to control bacterial diseases in broilers and laying hens. However, there is a major concern that the use of antibiotics leads to the development of antibiotic resistance and adverse effects on microbiota of the treated birds...
2017: Frontiers in Microbiology
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