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https://www.readbyqxmd.com/read/28093102/proteomic-changes-in-the-ileum-of-sheep-infected-with-mycobacterium-avium-subspecies-paratuberculosis
#1
S Pisanu, T Cubeddu, S Uzzau, S Rocca, M F Addis
Johne's disease (JD) is a chronic enteritis of ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). To identify the processes activated in the sheep intestine during natural MAP infection, and to provide a panel of differential host and pathogen proteins with diagnostic and prognostic potential, a differential shotgun proteomics workflow, including mass spectrometry, label-free quantisation and pathway analysis, was applied to ileal tissues of ewes with and without JD. Out of 2889 total proteins identified, 384 were differentially expressed and 341 were expressed at a higher level in JD...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28088643/molecular-mechanisms-of-bio-catalysis-of-heme-extraction-from-hemoglobin
#2
Serzhan Sakipov, Olga Rafikova, Maria G Kurnikova, Ruslan Rafikov
Red blood cell hemolysis in sickle cell disease (SCD) releases free hemoglobin. Extracellular hemoglobin and its degradation products, free heme and iron, are highly toxic due to oxidative stress induction and decrease in nitric oxide availability. We propose an approach that helps to eliminate extracellular hemoglobin toxicity in SCD by employing a bacterial protein system that evolved to extract heme from extracellular hemoglobin. NEAr heme Transporter (NEAT) domains from iron-regulated surface determinant proteins from Staphylococcus aureus specifically bind free heme as well as facilitate its extraction from hemoglobin...
January 7, 2017: Redox Biology
https://www.readbyqxmd.com/read/28088416/space-allowance-influences-individually-housed-holstein-bull-calf-innate-immune-measures-and-standing-behaviors-after-castration-at-3-weeks-of-age
#3
M S Calvo-Lorenzo, L E Hulbert, M A Ballou, A L Fowler, Y Luo, K C Klasing, F M Mitloehner
Dairy calves in the Southwest regions of the United States are typically raised individually in wooden hutches with 1.23 m(2) of space. The objective of the study was to determine if increased space allowance in wooden hutches influences measures of innate immunity and behaviors of Holstein bull calves pre- and postcastration. Calves were randomly assigned at 4 d of age to conventional (CONV; 1.23 m(2) of space; n = 18), moderate (MOD; 1.85 m(2) space; n = 17), or maximized space allowance (MAX; 3.71 m(2) space; n = 19) in hutches...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28087888/simulated-microgravity-decreases-circulating-iron-in-rats-role-of-inflammation-induced-hepcidin-upregulation
#4
Thibault Cavey, Nicolas Pierre, Kévin Nay, Coralie Allain, Martine Ropert, Olivier Loréal, Frédéric Derbré
During spaceflight, humans exposed to microgravity exhibit an increase of iron storage and a reduction of circulating iron. Such perturbations could promote oxidative stress and anemia in astronauts. The mechanism by which microgravity modulates iron metabolism is still unknown. Herein, we hypothesized that microgravity up-regulates hepcidin, a hormone produced by the liver that is the main controller of iron homeostasis. To test this hypothesis, rats were submitted to hindlimb unloading (HU), the reference model to mimic the effects of microgravity in rodents...
January 13, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28080905/plasma-protein-electrophoresis-and-select-acute-phase-proteins-in-healthy-bonnethead-sharks-sphyrna-tiburo-under-managed-care
#5
Michael W Hyatt, Cara L Field, Tonya M Clauss, Kristopher L Arheart, Carolyn Cray
Preventative health care of elasmobranchs is an important but understudied field of aquatic veterinary medicine. Evaluation of inflammation through the acute phase response is a valuable tool in health assessments. To better assess the health of bonnethead sharks ( Sphyrna tiburo ) under managed care, normal reference intervals of protein electrophoresis (EPH) and the acute phase proteins, C-reactive protein (CRP) and haptoglobin (HP), were established. Blood was collected from wild caught, captive raised bonnethead sharks housed at public aquaria...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28075024/uncovering-iron-regulation-with-species-specific-transcriptome-patterns-in-atlantic-and-coho-salmon-during-a-caligus-rogercresseyi-infestation
#6
V Valenzuela-Muñoz, S Boltaña, C Gallardo-Escárate
Salmon species cultured in Chile evidence different levels of susceptibility to the sea louse Caligus rogercresseyi. These differences have mainly been associated with specific immune responses. Moreover, iron regulation seems to be an important mechanism to confer immunity during the host infestation. This response called nutritional immunity has been described in bacterial infections, despite that no comprehensive studies involving in marine ectoparasites infestation have been reported. With this aim, we analysed the transcriptome profiles of Atlantic and coho salmon infected with C...
January 11, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28072936/haptoglobin-and-free-haemoglobin-during-cardiac-surgery-is-there-a-link-to-acute-kidney-injury
#7
A J Wetz, E M Richardt, H Schotola, M Bauer, A Bräuer
Acute kidney injury (AKI) is frequently observed after cardiac surgery (CS) with cardiopulmonary bypass (CPB). Multiple mechanisms underlie this phenomenon, including CPB-dependent haemolysis. Haemoglobin is released during haemolysis, and free haemoglobin (frHb) causes tubular cell injury after exceeding the binding capacity of haptoglobin (Hp). The objective of this study was to investigate the influence of perioperative changes in frHb and Hp levels on the incidence of CS-associated (CSA) AKI. After receiving local ethics committee approval and obtaining informed consent from our patients, we analysed the data pertaining to 154 patients undergoing CPB surgery...
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28070333/corticosterone-inflammation-immune-status-and-telomere-length-in-frigatebird-nestlings-facing-a-severe-herpesvirus-infection
#8
Manrico Sebastiano, Marcel Eens, Frederic Angelier, Kévin Pineau, Olivier Chastel, David Costantini
Herpesvirus outbreaks are common in natural animal populations, but little is known about factors that favour the infection and its consequences for the organism. In this study, we examined the pathophysiological consequences of a disease probably attributable to herpesvirus infection for several markers of immune function, corticosterone, telomere length and inflammation. In addition, we assessed whether any markers used in this study might be associated with the occurrence of visible clinical signs of the disease and its impact on short-term survival perspectives...
2017: Conservation Physiology
https://www.readbyqxmd.com/read/28065450/the-effects-of-increased-heme-oxygenase-1-on-the-lymphoproliferative-response-in-dogs-with-visceral-leishmaniasis
#9
Breno Fernando Martins de Almeida, Kathlenn Liezbeth Oliveira Silva, Vanessa Marim Chiku, Aline Aparecida Correa Leal, Gabriela Lovizutto Venturin, Luis Gustavo Narciso, Maria Fernanda Cereijido Bersni Fink, Flavia de Rezende Eugênio, Paulo Sergio Patto Dos Santos, Paulo Cesar Ciarlini, Valéria Marçal Felix de Lima
Canine visceral leishmaniasis (CVL) is known to affect the cellular immunity of infected dogs, through impairing lymphoproliferation and microbicidal mechanisms. This study examined heme oxygenase-1 (HO-1) and its metabolites, oxidative stress and IL-10 levels in CVL and investigated correlations between these parameters. Additionally, the effects of HO-1 inhibition on the lymphoproliferative response and cytokine production in lymph node cells (LNCs) from infected dogs were evaluated. Forty-four dogs, 24 controls and 20 dogs with CVL were selected...
December 30, 2016: Immunobiology
https://www.readbyqxmd.com/read/28063238/aspergillus-awamori-fermented-mung-bean-seed-coats-enhance-the-antioxidant-and-immune-responses-of-weaned-pigs
#10
D N Lee, Y S Hung, T S Yang, J H Lin, C F Weng
The potential benefits of Aspergillus-fermented mung bean seed coats (FMSC) for weaned pigs remain unexplored. Both in vitro and in vivo experiments were employed to evaluate the potential of FMSC supplement on the growth, antioxidant and immune responses of weaned pigs. The total polyphenols and DPPH scavenging capability of ethanol extract of FMSC exhibited a greater (p < 0.01) increase than those of pre-fermentation. With the addition of the polyphenol of FMSC extract, an increase in phagocytosis by neutrophils and proliferation of peripheral blood mononuclear cells (PBMC) were found...
January 7, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28055129/long-term-ethanol-exposure-decreases-the-endotoxin-induced-hepatic-acute-phase-response-in-rats
#11
Emilie Glavind, Hendrik Vilstrup, Henning Grønbaek, Stephen Hamilton-Dutoit, Nils Erik Magnusson, Karen Louise Thomsen
BACKGROUND: Long-term excess alcohol intake predisposes to infectious diseases. The hepatic acute phase response is a component of the innate immune system and is part of the first line of defense against invading pathogens, which may be compromised by alcohol. We aimed to investigate whether an induced acute phase response is impaired in long-term ethanol-fed rats. METHODS: For six weeks, rats were either fed a Lieber-DeCarli ethanol-containing (36% as calories) liquid diet ad libitum or calorically pair-fed...
January 5, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28052004/direct-analysis-of-aberrant-glycosylation-on-haptoglobin-in-patients-with-gastric-cancer
#12
Jae-Han Kim, Sung Hyeon Lee, Sookyung Choi, Unyong Kim, In Seok Yeo, Su Hee Kim, Myung Jin Oh, Hantae Moon, Jua Lee, Seunghyup Jeong, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Yang Won Min, Hyuk Lee, Jun Haeng Lee, Poong-Lyul Rhee, Jae J Kim, Su Jin Lee, Seung Tae Kim, Jeeyun Lee, Se Hoon Park, Joon Oh Park, Young Suk Park, Ho Yeong Lim, Won Ki Kang, Hyun Joo An, Jung Hoe Kim
Based on our previous studies, differential analysis of N-glycan expression bound on serum haptoglobin reveals the quantitative variation on gastric cancer patients. In this prospective case-control study, we explore the clinically relevant glycan markers for gastric cancer diagnosis. Serum samples were collected from patients with gastric cancer (n = 44) and healthy control (n = 44). N-glycans alteration was monitored by intact analysis of Hp using liquid chromatography-mass spectrometry followed by immunoaffinity purification with the serum samples...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28045978/cord-blood-acute-phase-reactants-predict-early-onset-neonatal-sepsis-in-preterm-infants
#13
Leena B Mithal, Hannah L Palac, Ram Yogev, Linda M Ernst, Karen K Mestan
BACKGROUND: Early onset sepsis (EOS) is a major cause of morbidity and mortality in preterm infants, yet diagnosis remains inadequate resulting in missed cases or prolonged empiric antibiotics with adverse consequences. Evaluation of acute phase reactant (APR) biomarkers in umbilical cord blood at birth may improve EOS detection in preterm infants with intrauterine infection. METHODS: In this nested case-control study, infants (29.7 weeks gestation, IQR: 27.7-32...
2017: PloS One
https://www.readbyqxmd.com/read/28044237/relationship-between-plasma-levels-of-zonulin-bacterial-lipopolysaccharides-d-lactate-and-markers-of-inflammation-in-haemodialysis-patients
#14
Joanna Ficek, Katarzyna Wyskida, Rafał Ficek, Jarosław Wajda, Dariusz Klein, Joanna Witkowicz, Sylwia Rotkegel, Urszula Spiechowicz-Zatoń, Joanna Kocemba-Dyczek, Jarosław Ciepał, Andrzej Więcek, Magdalena Olszanecka-Glinianowicz, Jerzy Chudek
BACKGROUND: Increased permeability of the intestinal wall and intestinal dysbiosis may contribute to chronic systemic inflammation, one of the causes of accelerated atherosclerosis and cardiovascular morbidity and mortality burden in patients with chronic kidney disease. The aim of this study was to evaluate the association between markers of intestinal permeability and inflammation in haemodialysis (HD) patients. METHODS: Plasma concentration of zonulin, haptoglobin, TNFα, IL6, D-lactates and bacterial lipopolysaccharides (LPS) was assessed in blood samples obtained after overnight fast before midweek morning HD session in 150 stable, prevalent HD patients...
January 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28041733/glucose-requirements-of-an-activated-immune-system-in-lactating-holstein-cows
#15
S K Kvidera, E A Horst, M Abuajamieh, E J Mayorga, M V Sanz Fernandez, L H Baumgard
Accurately quantifying activated immune system energy requirements in vivo is difficult, but a better understanding may advance strategies to maximize animal productivity. Study objectives were to estimate whole-body glucose utilization following an i.v. endotoxin challenge. Lactating Holstein cows were jugular catheterized and assigned 1 of 3 bolus treatments: control (CON; 5 mL of saline; n = 6), lipopolysaccharide (LPS)-administered (LPS-C; 1.5 μg/kg of body weight; Escherichia coli 055:B5; n = 6), and LPS + euglycemic clamp (LPS-Eu; 1...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28033278/delayed-onset-of-posterior-reversible-encephalopathy-syndrome-in-a-case-of-scleroderma-renal-crisis-with-maintenance-hemodialysis-case-report-and-literature-review
#16
Ching-Yang Chen, Shin-Yuan Hung, Yi-Jer Lee, Yi-Chan Lin, Chu-Cheng Pai
INTRODUCTION: In some cases, scleroderma renal crisis (SRC) is not easily distinguishable from other thrombotic microangiopathies such as thrombotic thrombocytopenic purpura, especially when the presentation includes neurological or extra-renal manifestations. Here, we present a case of SRC who developed a rare neurotoxic complication, posterior reversible encephalopathy syndrome (PRES).A 36-year-old man with a history of diffuse cutaneous systemic sclerosis developed SRC and acute-on-chronic renal failure and ultimately required maintenance hemodialysis...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28032360/the-utility-of-acute-phase-proteins-in-the-assessment-of-treatment-response-in-dogs-with-bacterial-pneumonia
#17
S J Viitanen, A K Lappalainen, M B Christensen, S Sankari, M M Rajamäki
BACKGROUND: Acute-phase proteins (APPs) are sensitive markers of inflammation, and serum C-reactive protein (CRP) recently has been shown to be a useful diagnostic marker in dogs with bacterial pneumonia (BP). In humans with community-acquired pneumonia, APPs also have great utility as follow-up markers aiding in the assessment of treatment response. OBJECTIVES: The aim of our study was to investigate the applicability of APPs as markers of treatment response in dogs with BP...
December 29, 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28031053/serum-biomarkers-and-changes-in-clinical-mri-evidence-of-golimumab-treated-patients-with-ankylosing-spondylitis-results-of-the-randomized-placebo-controlled-go-raise-study
#18
Robert D Inman, Xenofon Baraliakos, Kay-Geert A Hermann, Jürgen Braun, Atul Deodhar, Désirée van der Heijde, Stephen Xu, Benjamin Hsu
BACKGROUND: In the present study, we evaluated relationships between serum biomarkers and clinical/magnetic resonance imaging (MRI) findings in golimumab-treated patients with ankylosing spondylitis. METHODS: In the GO-RAISE study, 356 patients with ankylosing spondylitis randomly received either placebo (n = 78) or golimumab 50 mg or 100 mg (n = 278) injections every 4 weeks through week 24 (placebo-controlled); patients continuing GO-RAISE received golimumab through week 252...
December 28, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28030762/placental-proteomics-provides-insights-into-pathophysiology-of-pre-eclampsia-and-predicts-possible-markers-in-plasma
#19
Sheon Mary, Mahesh J Kulkarni, Dipankar Malakar, Sadhana R Joshi, Savita S Mehendale, Ashok P Giri
Pre-eclampsia is a hypertensive disorder characterized by the new onset of hypertension >140/90 mmHg and proteinuria after the 20th week of gestation. The disorder is multi-factorial and originates with abnormal placentation. Comparison of the placental proteome of normotensive (n=25) and pre-eclamptic (n=25) patients by gel-free proteomic techniques, identified a total of 2145 proteins in the placenta of which 180 were differentially expressed (>1.3 fold, p<0.05). Gene ontology enrichment analysis of biological process suggested that the differentially expressed proteins belonged to various physiological processes such as angiogenesis, apoptosis, oxidative stress, hypoxia, placental development, which are implicated in the pathophysiology of pre-eclampsia...
December 28, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/28028749/oral-cyclophosphamide-was-effective-for-coombs-negative-autoimmune-hemolytic-anemia-in-cd16-cd56-chronic-lymphoproliferative-disorder-of-nk-cells
#20
Nodoka Sekiguchi, Sayaka Nishina, Toru Kawakami, Hitoshi Sakai, Noriko Senoo, Yasushi Senoo, Toshiro Ito, Hiroshi Saito, Hideyuki Nakazawa, Tomonobu Koizumi, Fumihiro Ishida
An 84-year-old woman was referred to our hospital presenting anemia. Her hemoglobin level was 5.8 g/dL, and white blood cell count was 9400/μL, consisting of 82% lymphocytes. Given the lymphocyte phenotype (CD2+, CD3-, CD16+, and CD56-) and negative whole blood EBV viral load, we made a diagnosis of chronic lymphoproliferative disorder of NK cells (CLPD-NK). We suspected hemolytic anemia because of the high levels of reticulocytes in the peripheral blood and the low haptoglobin value. Although the direct Coombs test was negative and there was no cold agglutination, we examined her red-blood-cell-bound IgG (RBC-IgG), which was elevated...
December 27, 2016: International Journal of Hematology
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