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https://www.readbyqxmd.com/read/28342610/intentionally-induced-intestinal-barrier-dysfunction-causes-inflammation-affects-metabolism-and-reduces-productivity-in-lactating-holstein-cows
#1
S K Kvidera, M J Dickson, M Abuajamieh, D B Snider, M V Sanz Fernandez, J S Johnson, A F Keating, P J Gorden, H B Green, K M Schoenberg, L H Baumgard
Study objectives were to evaluate the effects of intentionally reduced intestinal barrier function on productivity, metabolism, and inflammatory indices in otherwise healthy dairy cows. Fourteen lactating Holstein cows (parity 2.6 ± 0.3; 117 ± 18 d in milk) were enrolled in 2 experimental periods. Period 1 (5 d) served as the baseline for period 2 (7 d), during which cows received 1 of 2 i.v. treatments twice per day: sterile saline or a gamma-secretase inhibitor (GSI; 1.5 mg/kg of body weight). Gamma-secretase inhibitors reduce intestinal barrier function by inhibiting crypt cell differentiation into absorptive enterocytes...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28335726/analysis-of-hepatic-transcript-profile-and-plasma-lipid-profile-in-early-lactating-dairy-cows-fed-grape-seed-and-grape-marc-meal-extract
#2
Denise K Gessner, Anne Winkler, Christian Koch, Georg Dusel, Gerhard Liebisch, Robert Ringseis, Klaus Eder
BACKGROUND: It was recently reported that dairy cows fed a polyphenol-rich grape seed and grape marc meal extract (GSGME) during the transition period had an increased milk yield, but the underlying reasons remained unclear. As polyphenols exert a broad spectrum of metabolic effects, we hypothesized that feeding of GSGME influences metabolic pathways in the liver which could account for the positive effects of GSGME in dairy cows. In order to identify these pathways, we performed genome-wide transcript profiling in the liver and lipid profiling in plasma of dairy cows fed GSGME during the transition period at 1 week postpartum...
March 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28329457/hemolysis-during-open-heart-surgery-with-vacuum-assisted-venous-drainage-at-different-negative-pressures-in-pediatric-patients-weighing-less-than-10-kilograms
#3
Jae Gun Kwak, Jinkwon Lee, Minkyoung Park, Yu-Jin Seo, Chang-Ha Lee
BACKGROUND: This study examined the degree of hemolysis during vacuum-assisted venous drainage at different negative pressures to identify an adequate negative pressure that provides effective venous drainage without significant hemolysis in open-heart surgery in children weighing less than 10 kg. METHODS: Patients weighing less than 10 kg who underwent surgery for ventricular septal defect or atrial septal defect from 2011 to 2014 were enrolled. We used one of four negative pressures (20, 30, 40, or 60 mm Hg) for each patient...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28326485/preliminary-assessment-on-potentials-of-probiotic-b-subtilis-rx7-and-b-methylotrophicus-c14-strains-as-an-immune-modulator-in-salmonella-challenged-weaned-pigs
#4
Santi Devi Upadhaya, Suresh Kumar Shanmugam, Dae Kyung Kang, In Ho Kim
A total of 40 crossbred weaned piglets (28 days old; [Landrace × Yorkshire] × Duroc) were used for preliminary assessment on potentials of Bacillus-based probiotics as an immune modulator in a Salmonella Typhimurium challenge model in a 3-week experiment. Pigs were randomly allotted to four experimental diets according to their initial body weight (9.21 ± 1.1 kg) and sex (10 pigs per treatment; 5 barrows and 5 gilts). The dietary treatments were basal diet (CON), basal diet + oral administration of Salmonella enterica ser...
March 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28324773/haptoglobin-is-frequently-low-in-patients-with-myelofibrosis-clinical-relevance
#5
Paolo Strati, Lucia Masarova, Prithviraj Bose, Naval Daver, Naveen Pemmaraju, Srdan Verstovsek
A recent study, showing the absence of paroxysmal nocturnal hemoglobinuria clones in myelofibrosis, has reopened the debate around the role of decreased haptoglobin in this disease. We present here a large prospective analysis of the clinical significance of low haptoglobin in 152 patients with myelofibrosis. Low haptoglobin (<32mg/dL) was observed in 50 patients (33%). Decreased haptoglobin did not associate with low hemoglobin levels, positive Coombs test or abnormal liver function tests, suggesting it is not result of autoimmune hemolytic anemia or liver cirrhosis...
March 8, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28315788/does-baseline-innate-immunity-change-with-age-a-multi-year-study-in-great-tits
#6
Anke Vermeulen, Marcel Eens, Stefan Van Dongen, Wendt Müller
Throughout their life animals progressively accumulate mostly detrimental changes in cells, tissues and their functions, causing a decrease in individual performance and ultimately an increased risk of death. The latter may be amplified if it also leads to a deterioration of the immune system which forms the most important protection against the permanent threat of pathogens and infectious diseases. Here, we investigated how four baseline innate immune parameters (natural antibodies, complement activity, concentrations of haptoglobin and concentrations of nitric oxide) changed with age in free-living great tits (Parus major)...
March 15, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28314763/endothelial-dysfunction-inhibits-the-ability-of-haptoglobin-to-prevent-hemoglobin-induced-hypertension
#7
Jan A Graw, Binglan Yu, Emanuele Rezoagli, H Shaw Warren, Emmanuel S Buys, Donald B Bloch, Warren M Zapol
BACKGROUND: Intravascular hemolysis produces injury in a variety of human diseases including hemoglobinopathies, malaria, and sepsis. The adverse effects of increased plasma hemoglobin are partly mediated by depletion of nitric oxide (NO) and result in vasoconstriction. Circulating plasma proteins haptoglobin and hemopexin scavenge extracellular hemoglobin and cell-free heme, respectively. METHODS: The ability of human haptoglobin or hemopexin to inhibit the adverse effects of NO-scavenging by circulating murine hemoglobin was tested in C57Bl/6 mice...
March 17, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28286877/il-22-controls-iron-dependent-nutritional-immunity-against-systemic-bacterial-infections
#8
Kei Sakamoto, Yun-Gi Kim, Hideki Hara, Nobuhiko Kamada, Gustavo Caballero-Flores, Emanuela Tolosano, Miguel P Soares, José L Puente, Naohiro Inohara, Gabriel Núñez
Host immunity limits iron availability to pathogenic bacteria, but whether immunity limits pathogenic bacteria from accessing host heme, the major source of iron in the body, remains unclear. Using Citrobacter rodentium, a mouse enteric pathogen and Escherichia coli, a major cause of sepsis in humans as models, we find that interleukin-22, a cytokine best known for its ability to promote epithelial barrier function, also suppresses the systemic growth of bacteria by limiting iron availability to the pathogen...
February 2017: Science Immunology
https://www.readbyqxmd.com/read/28284048/short-communication-salivary-haptoglobin-and-chromogranin-a-as-non-invasive-markers-during-restraint-stress-in-pigs
#9
Yanping Huang, Zhiqing Liu, Weifeng Liu, Chao Yin, Le Ci, Ruqian Zhao, Xiaojing Yang
The objective of present study was to investigate changes in salivary components during restraint to identify potential markers of stress. Pigs were subjected to a nasal snare stress (Experiment 1) or an immobilization stress (Experiment 2) by being enclosed in a steel cage. Saliva was collected before, during and after the stress, respectively. Salivary cortisol, serum amyloid A (SAA), haptoglobin (HP), chromogranin A (CgA), amylase, K(+), Ca(2+) and lactoferrin content were detected. The results showed that in Experiment 1, HP and CgA content increased significantly at 10min during the restraint (P<0...
February 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28263819/cortisol-plays-a-role-in-the-high-environmental-ammonia-associated-suppression-of-the-immune-response-in-zebrafish
#10
A F Gonçalves, J V Neves, J Coimbra, P Rodrigues, M M Vijayan, J M Wilson
Exposure to high environmental ammonia (HEA) levels increases the vulnerability of fishes to parasitic, viral and bacterial diseases. We tested the hypothesis that elevated plasma cortisol levels play a role in the HEA-mediated immunosuppression in fishes. To this end, we tested the effect of exogenous cortisol treatment on the lipopolysaccharide (LPS)-induced immune response in zebrafish (Danio rerio). Also, to test whether glucocorticoid receptor (GR) signaling is involved in HEA-mediated immunosuppression, zebrafish were treated with mifepristone, a GR antagonist, and the LPS-induced immune response assessed after HEA exposure...
March 2, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28249176/identification-of-potential-serum-biomarkers-in-pigs-at-early-stage-after-lipopolysaccharide-injection
#11
Chao Yin, Weifeng Liu, Zhiqing Liu, Yanping Huang, Le Ci, Ruqian Zhao, Xiaojing Yang
The identification of useful biological indicators to monitor the body response before the presentation of clinical diseases has practical value in livestock production. To identify potential biomarkers in pigs at the early stage during inflammation, 12 pigs were intramuscularly injected with 2mL of Lipopolysaccharide (LPS, 15μg/kg BW) or saline. Serum protein expression profiles were detected with two-dimensional electrophoresis (2-DE) and matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF-MS) techniques...
February 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28245826/host-pathogen-interplay-at-primary-infection-sites-in-pigs-challenged-with-actinobacillus-pleuropneumoniae
#12
Elena L Sassu, Janna Frömbling, J Catharina Duvigneau, Ingrid Miller, Andrea Müllebner, Ana M Gutiérrez, Tom Grunert, Martina Patzl, Armin Saalmüller, Alexandra von Altrock, Anne Menzel, Martin Ganter, Joachim Spergser, Marion Hewicker-Trautwein, Jutta Verspohl, Monika Ehling-Schulz, Isabel Hennig-Pauka
BACKGROUND: Actinobacillus (A.) pleuropneumoniae is the causative agent of porcine pleuropneumonia and causes significant losses in the pig industry worldwide. Early host immune response is crucial for further progression of the disease. A. pleuropneumoniae is either rapidly eliminated by the immune system or switches to a long-term persistent form. To gain insight into the host-pathogen interaction during the early stages of infection, pigs were inoculated intratracheally with A. pleuropneumoniae serotype 2 and humanely euthanized eight hours after infection...
February 28, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28243039/fecal-occult-blood-testing-for-the-prediction-of-small-bowel-pathology-detected-by-capsule-endoscopy-a-systematic-review-and-meta-analysis
#13
Diana E Yung, Sanju Vijayan, Tomer Avni, Sarah Douglas, Uri Kopylov, Anastasios Koulaouzidis
BACKGROUND: Fecal occult blood testing (FOBT) has been suggested as a potential screening tool for small-bowel capsule endoscopy (CE). We conducted a meta-analysis of studies correlating FOBT and CE findings to examine the predictive value of positive FOBT for CE findings. METHODS: PubMed and Embase search. Sensitivity, specificity and diagnostic odds ratios (DORs) were calculated. RESULTS: Six studies were identified. Four used fecal immunochemical testing (FIT), one used FIT and guaiac FOBT, one used hemoglobin/haptoglobin complex testing (Hb/Hpt)...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28240188/parkinson-s-disease-is-accompanied-by-intertwined-alterations-in-iron-metabolism-and-activated-immune-inflammatory-and-oxidative-stress-pathways
#14
Michael Maes, Carine Coneglian De Farias, Kamila Landucci Bonifácio, Andressa Keiko Matsumoto, Chiara Cristina Bortolasci, André de Souza Nogueira, Francis Fregonesi Brinholi, Helena Kaminami Morimoto, Lucio Baena de Melo, Estefânia Gastaldello Moreira, Décio Sabbatini Barbosa
BACKGROUND: Parkinson's diasease (PD) is a neurodegenerative disorder characterized by a complex interplay between peripheral and central inflammatory and oxidative stress pathways. OBJECTIVE: To investigate immune-inflammatory and oxidative stress pathways in relation to iron metabolism in peripheral blood of PD patients and healthy controls. METHODS: We recruited 56 healthy individuals and 56 PD patients in stages 1-3 of Hoehn and Yahr Scale...
February 23, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28239468/immunotherapy-associated-autoimmune-hemolytic-anemia
#15
Uqba Khan, Farman Ali, Muhammad Siddique Khurram, Awais Zaka, Tarik Hadid
BACKGROUND: Immunotherapy has been widely used in the treatment of several solid and hematologic malignancies. Checkpoint inhibitors have been the forefront of cancer immunotherapy in recent years. Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death 1 (PD-1) pathway are the prototypic checkpoint targets for immunotherapy. When combined, CTLA-4 and PD-1 checkpoint inhibitors work synergistically, but with increased probability of toxicity. The following case represents an unusual adverse effect of combined treatment with ipilimumab and nivolumab used for treatment of metastatic melanoma...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28237587/hepatic-mrna-expression-for-genes-related-to-somatotropic-axis-glucose-and-lipid-metabolisms-and-inflammatory-response-of-periparturient-dairy-cows-treated-with-recombinant-bovine-somatotropin
#16
P R B Silva, W J Weber, B A Crooker, R J Collier, W W Thatcher, R C Chebel
Objectives of this experiment were to evaluate the effects of recombinant bovine somatotropin (rbST) treatment of periparturient dairy cows on hepatic mRNA expression for genes related to the somatotropic axis, insulin, glucose, and lipid metabolism, inflammation, and oxidative stress. Holstein cows were enrolled in the experiment at 253 ± 3 d of gestation and assigned to 1 of 3 treatments: untreated control (n = 53), 87.5 mg of rbST (n = 56; rbST87.5), and 125 mg of rbST (n = 57; rbST125). Cows in the rbST87...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28231264/precision-engineering-for-prrsv-resistance-in-pigs-macrophages-from-genome-edited-pigs-lacking-cd163-srcr5-domain-are-fully-resistant-to-both-prrsv-genotypes-while-maintaining-biological-function
#17
Christine Burkard, Simon G Lillico, Elizabeth Reid, Ben Jackson, Alan J Mileham, Tahar Ait-Ali, C Bruce A Whitelaw, Alan L Archibald
Porcine Reproductive and Respiratory Syndrome (PRRS) is a panzootic infectious disease of pigs, causing major economic losses to the world-wide pig industry. PRRS manifests differently in pigs of all ages but primarily causes late-term abortions and stillbirths in sows and respiratory disease in piglets. The causative agent of the disease is the positive-strand RNA PRRS virus (PRRSV). PRRSV has a narrow host cell tropism, limited to cells of the monocyte/macrophage lineage. CD163 has been described as a fusion receptor for PRRSV, whereby the scavenger receptor cysteine-rich domain 5 (SRCR5) region was shown to be an interaction site for the virus in vitro...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28222616/plasma-biomarkers-for-the-identification-of-women-at-risk-for-early-onset-preeclampsia
#18
Aggeliki Kolialexi, George Th Tsangaris, Stavros Sifakis, Dimitris Gourgiotis, Aggeliki Katsafadou, Alexandra Lykoudi, Antonios Marmarinos, Danai Mavreli, Vassilis Pergialiotis, Dimitra Fexi, Ariadni Mavrou, George K Papaioanou, Nikolas Papantoniou
BACKGROUND: To identify potential biomarkers in the 1st trimester of pregnancy for the identification of women destined to develop early onset preeclampsia (EOPE). METHODS: Blood samples were obtained from pregnant women at 11-13 weeks of gestation. Women were followed up until delivery. Five samples from EOPE complicated pregnancies and 5 from unaffected ones were analysed using 2-DE and MALDI-TOF-TOF MS/MS. The altered expression of selected proteins was verified by ELISA in an extended sample cohort...
March 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28218436/differentially-expressed-haptoglobin-as-a-potential-biomarker-for-type-2-diabetic-mellitus-in-hispanic-population
#19
Zhongwei Liu, Du Feng, Danshan Gu, Richard Zheng, Christina Esperat, Weimin Gao
Glycosylated hemoglobin (HbA1c) measurement is currently a primary tool for diagnosis of type 2 diabetes mellitus (T2DM), especially for the assessment of chronic hyperglycemia. However, many studies reported the limitation of using HbA1c for T2DM diagnosis/prognosis, such as poor sensitivities, difficult standardization, and variable cut points across ethnic groups. Therefore, the aim of this study was to discover novel biomarkers associated with elevated HbA1c levels as complementary T2DM diagnostic tools...
February 20, 2017: BioFactors
https://www.readbyqxmd.com/read/28215897/effects-of-body-condition-monensin-and-essential-oils-on-ruminal-lipopolysaccharide-concentration-inflammatory-markers-and-endoplasmatic-reticulum-stress-of-transition-dairy-cows
#20
C Drong, S Bühler, J Frahm, L Hüther, U Meyer, D von Soosten, D K Gessner, K Eder, H Sauerwein, S Dänicke
Evidence exists that dairy cows experience inflammatory-like phenomena in the transition period. Rumen health and alterations in metabolic processes and gene networks in the liver as the central metabolic organ might be key factors for cows' health and productivity in early lactation. This study made use of an animal model to generate experimental groups with different manifestations of postpartal fat mobilization and ketogenesis. In total, 60 German Holstein cows were allocated 6 wk antepartum to 3 high-body condition score (BCS) groups (BCS 3...
February 16, 2017: Journal of Dairy Science
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