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Acute phase response

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https://www.readbyqxmd.com/read/28324811/serum-acute-phase-response-induced-by-different-vaccination-protocols-against-circovirus-type-2-and-mycoplasma-hyopneumoniae-in-piglets
#1
Iván Hernández-Caravaca, Sebastian Figueras Gourgues, Víctor Rodríguez, Edgar Díaz Estrada, José J Cerón, Damián Escribano
The purpose of this study was to compare the acute phase reaction (APR) induced by different vaccination protocols used against Porcine Circovirus (PCV) type-2 and Mycoplasma hyopneumoniae (M.hyo), studying two acute phase proteins (APPs) and changes in rectal temperature (RT). In addition, the possible influence of the time of vaccination and breed were analysed. In the first experiment, 40 commercial crossbred piglets were vaccinated, on the day of weaning, with FLEXcombo® (group A, n=20) or Porcilis PCV® and Stellamune® One (group B, n=20)...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28323872/expression-maturation-and-turnover-of-drrs-an-unusually-stable-dosr-regulated-small-rna-in-mycobacterium-tuberculosis
#2
Alexandra Moores, Ana B Riesco, Stefan Schwenk, Kristine B Arnvig
Mycobacterium tuberculosis depends on the ability to adjust to stresses encountered in a range of host environments, adjustments that require significant changes in gene expression. Small RNAs (sRNAs) play an important role as post-transcriptional regulators of prokaryotic gene expression, where they are associated with stress responses and, in the case of pathogens, adaptation to the host environment. In spite of this, the understanding of M. tuberculosis RNA biology remains limited. Here we have used a DosR-associated sRNA as an example to investigate multiple aspects of mycobacterial RNA biology that are likely to apply to other M...
2017: PloS One
https://www.readbyqxmd.com/read/28318139/chronic-total-occlusion-is-associated-with-a-higher-incidence-of-malapposition-and-uncovered-stent-struts-oct-findings-at-6-months-following-des-implantation
#3
Haibo Jia, Sining Hu, Huimin Liu, Yinchun Zhu, Chun-Yang Zhe, Lulu Li, Irina Mustafina, Jingbo Hou, Shaosong Zhang, Bo Yu
OBJECTIVES: To compare stent coverage and malapposition in patients with chronic total occlusion (CTO) lesions and non-CTO lesions (including lipid-rich plaque [LRP] and non-lipid-rich plaque [non-LRP]) after drug-eluting stent (DES) implantation by optical coherence tomography (OCT). BACKGROUND: Different initial lesion characteristics may be related to heterogeneous vessel responses after DES implantation. However, the vessel response in patients with CTO and non-CTO lesions after stenting is unclear...
March 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28316998/il-10-a-multifunctional-cytokine-in-viral-infections
#4
REVIEW
José M Rojas, Miguel Avia, Verónica Martín, Noemí Sevilla
The anti-inflammatory master regulator IL-10 is critical to protect the host from tissue damage during acute phases of immune responses. This regulatory mechanism, central to T cell homeostasis, can be hijacked by viruses to evade immunity. IL-10 can be produced by virtually all immune cells, and it can also modulate the function of these cells. Understanding the effects of this multifunctional cytokine is therefore a complex task. In the present review we discuss the factors driving IL-10 production and the cellular sources of the cytokine during antiviral immune responses...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28315483/functional-proteomic-analysis-of-corticosteroid-pharmacodynamics-in-rat-liver-relationship-to-hepatic-stress-signaling-energy-regulation-and-drug-metabolism
#5
Vivaswath S Ayyar, Richard R Almon, Debra C DuBois, Siddharth Sukumaran, Jun Qu, William J Jusko
Corticosteroids (CS) are anti-inflammatory agents that cause extensive pharmacogenomic and proteomic changes in multiple tissues. An understanding of the proteome-wide effects of CS in liver and its relationships to altered hepatic and systemic physiology remains incomplete. Here, we report the application of a functional pharmacoproteomic approach to gain integrated insight into the complex nature of CS responses in liver in vivo. An in-depth functional analysis was performed using rich pharmacodynamic (temporal-based) proteomic data measured over 66h in rat liver following a single dose of methylprednisolone (MPL)...
March 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28302593/outcomes-in-child-health-exploring-the-use-of-social-media-to-engage-parents-in-patient-centered-outcomes-research
#6
Michele P Dyson, Kassi Shave, Ricardo M Fernandes, Shannon D Scott, Lisa Hartling
BACKGROUND: With the rapid growth of technology and its improved accessibility globally, social media is gaining an increasingly important role in health care. Patients are frequently engaging with social media to access information, share content, and interact with others in online health communities. However, the use of social media as a stakeholder engagement strategy has been minimally explored, and effective methods for involving participants in research on the identification of patient-centered outcomes remain unknown...
March 16, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28299486/the-influence-of-%C3%AE-tocopherol-on-serum-biochemical-markers-during-experimentally-induced-pleuritis-in-rats-exposed-to-dioxin
#7
Ireneusz Całkosiński, Kinga Gostomska-Pampuch, Jacek Majda, Anna Leśków, Maciej Janeczek, Oleg P Melnyk, Andrzej Gamian
Toxicity of dioxins is wide ranging. Amongst the organs, the liver is the most susceptible to damage by dioxins. Damage caused to liver cells results in promoting inflammatory processes. The aim of this work was to evaluate whether high doses of tocopherol will change the inflammatory response, monitored by biochemical indicators, by improving liver function in rats exposed to tetrachlorodibenzo-p-dioxin (TCDD). The study was conducted on a population of female Buffalo rats. The animals were divided into the following groups: Control Group A-representing physiological norms for the studied diagnostic indicators; Control Group B-subjects were administered a 1% ceragenin solution to induce pleuritis; Study Group 1-where rats were administered α-tocopherol acetate for 3 weeks, after which pleuritis was induced; Study Group 2-rats were administered a single dose of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), while 3 weeks later, pleuritis was induced; and Study Group 3-rats were administered a single dose of TCDD and next, were administered α-tocopherol acetate for 3 weeks, followed by pleuritis induction...
March 15, 2017: Inflammation
https://www.readbyqxmd.com/read/28299378/factors-associated-with-acute-phase-response-of-bisphosphonate-na%C3%A3-ve-or-pretreated-women-with-osteoporosis-receiving-an-intravenous-first-dose-of-zoledronate-or-ibandronate
#8
A W Popp, R Senn, I Curkovic, C Senn, H Buffat, P F Popp, K Lippuner
A first intravenous dose of bisphosphonates may be associated with an acute-phase response (APR). In bisphosphonate-naïve women with postmenopausal osteoporosis, the characteristics and frequency of APR may differ by compound. Prior bisphosphonate exposure was predictive of APR risk and severity. INTRODUCTION: Intravenous (IV) administration of bisphosphonates (BP), such as zoledronate (ZOL) and ibandronate (IBN), may be associated with an APR. The characteristics of APR may differ by compound...
March 15, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28298895/two-phase-modulation-of-formula-see-text-entry-and-cl-formula-see-text-exchanger-in-submandibular-glands-cells-by-dexmedetomidine
#9
Minjeong Ji, Chul-Kyu Park, Jin Woo Lee, Kook Yang Park, Kuk Hui Son, Jeong Hee Hong
Dexmedetomidine (Dex), a highly selective α2-adrenoceptor agonist, attenuates inflammatory responses induced by lipopolysaccharide (LPS) and induces sedative and analgesic effects. Administration of Dex also reduces salivary secretion in human subjects and inhibits osmotic water permeability in rat cortical collecting ducts. However, little is known about the mechanisms underlying the effects of Dex on salivary glands fluid secretion. We demonstrated the α2-adrenoceptor expression in the basolateral membrane of mouse submandibular glands (SMG)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28295182/a-phase-1-trial-of-temsirolimus-and-intensive-re-induction-chemotherapy-for-2nd-or-greater-relapse-of-acute-lymphoblastic-leukaemia-a-children-s-oncology-group-study-advl1114
#10
Susan R Rheingold, Sarah J Tasian, James A Whitlock, David T Teachey, Michael J Borowitz, Xiaowei Liu, Charles G Minard, Elizabeth Fox, Brenda J Weigel, Susan M Blaney
The phosphatidylinositol 3-kinase (PI3K)/mammalian (or mechanistic) target of rapamycin (mTOR) signalling pathway is commonly dysregulated in acute lymphoblastic leukaemia (ALL). A phase 1 trial of the mTOR inhibitor temsirolimus in combination with UKALL R3 re-induction chemotherapy was conducted in children and adolescents with second or greater relapse of ALL. The initial temsirolimus dose level (DL1) was 10 mg/m(2) weekly × 3 doses. Subsequent patient cohorts received temsirolimus 7·5 mg/m(2) weekly × 3 doses (DL0) or, secondary to toxicity, 7·5 mg/m(2) weekly × 2 doses (DL-1)...
March 14, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28294970/krill-oil-in-water-emulsion-protects-against-lipopolysaccharide-induced-proinflammatory-activation-of-macrophages-in-vitro
#11
Gabriel A Bonaterra, David Driscoll, Hans Schwarzbach, Ralf Kinscherf
BACKGROUND: Parenteral nutrition is often a mandatory therapeutic strategy for cases of septicemia. Likewise, therapeutic application of anti-oxidants, anti-inflammatory therapy, and endotoxin lowering, by removal or inactivation, might be beneficial to ameliorate the systemic inflammatory response during the acute phases of critical illness. Concerning anti-inflammatory properties in this setting, omega-3 fatty acids of marine origin have been frequently described. This study investigated the anti-inflammatory and LPS-inactivating properties of krill oil (KO)-in-water emulsion in human macrophages in vitro...
March 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28294526/phase-1-dose-escalating-study-of-the-safety-pharmacokinetics-and-pharmacodynamics-of-activated-factor-x-i-16l
#12
Dana Parsons-Rich, Fei Hua, Gang Li, Constantino Kantaridis, Debra D Pittman, Steven Arkin
BACKGROUND: FXa(I16L) (PF-05230907) is a zymogen-like variant of activated coagulation factor X (FXa). It exhibits enhanced resistance to inactivation by endogenous inhibitors compared with wild-type FXa and restores hemostatic activity in nonclinical models of various bleeding conditions. OBJECTIVES: To evaluate the safety, pharmacokinetics (PK) and pharmacodynamics (PD) of FXa(I16L) , a phase 1, first-in-human, dose escalation clinical trial in healthy adult volunteers was conducted METHODS: Participants were assigned to 1 of 6 ascending single-dose cohorts (0...
March 14, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28294304/il-21-promotes-myocardial-ischemia-reperfusion-injury-through-the-modulation-of-neutrophil-infiltration
#13
Kejing Wang, Shuang Wen, Jiao Jiao, Tingting Tang, Xin Zhao, Min Zhang, Bingjie Lv, Yuzhi Lu, Xingdi Zhou, Jingyong Li, Shaofang Nie, Yuhua Liao, Qing Wang, Xin Tu, Ziad Mallat, Ni Xia, Xiang Cheng
BACKGROUND AND PURPOSE: The immune system plays important roles in driving the acute inflammatory response following myocardial ischemia/reperfusion injury (MIRI). Interleukin-21 (IL-21) is a pleiotropic cytokine with multiple immunomodulatory effects and its role in MIRI remains unknown. EXPERIMENTAL APPROACH: Myocardial injury, neutrophil infiltration and expressions of neutrophil chemokines keratinocyte-derived chemokine (KC) and macrophage inflammatory protein-2 (MIP-2) were studied in a mouse model of MIRI...
March 14, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28293701/diffusion-tensor-imaging-as-a-prognostic-biomarker-for-motor-recovery-and-rehabilitation-after-stroke
#14
REVIEW
Josep Puig, Gerard Blasco, Gottfried Schlaug, Cathy M Stinear, Pepus Daunis-I-Estadella, Carles Biarnes, Jaume Figueras, Joaquín Serena, Maria Hernández-Pérez, Angel Alberich-Bayarri, Mar Castellanos, David S Liebeskind, Andrew M Demchuk, Bijoy K Menon, Götz Thomalla, Kambiz Nael, Max Wintermark, Salvador Pedraza
PURPOSE: Despite improved acute treatment and new tools to facilitate recovery, most patients have motor deficits after stroke, often causing disability. However, motor impairment varies considerably among patients, and recovery in the acute/subacute phase is difficult to predict using clinical measures alone, particularly in severely impaired patients. Accurate early prediction of recovery would help rationalize rehabilitation goals and improve the design of trials testing strategies to facilitate recovery...
March 14, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28291298/-neurobiology-of-alcohol-dependence-and-implications-on-treatment
#15
Ertuğrul Eşel, Köksal Dinç
The process of alcohol dependence has been conceptualized as a progress from controlled alcohol intake to compulsive alcohol consumption or a shift from alcohol intake for pleasure to compulsory alcohol seeking behavior. Hereditary and physical factors and the interaction of individuals with their environment, as well as permanent changes in the neurotransmitter and neurohormonal systems in the brain due to alcohol use, play the most important role in the etiology of alcohol dependence. The effects of ethanol on the neurotransmitter, neuropeptide and neuroendocrine systems not only account for its acute physiological and euphoric/reinforcing effects but also seem to be responsible for the development of dependence...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28290524/gut-dysbiosis-and-neuroimmune-responses-to-brain-infection-with-theiler-s-murine-encephalomyelitis-virus
#16
F J Carrillo-Salinas, L Mestre, M Mecha, A Feliú, R Del Campo, N Villarrubia, C Espejo, X Montalbán, J C Álvarez-Cermeño, L M Villar, C Guaza
Recent studies have begun to point out the contribution of microbiota to multiple sclerosis (MS) pathogenesis. Theiler's murine encephalomyelitis virus induced demyelinating disease (TMEV-IDD) is a model of progressive MS. Here, we first analyze the effect of intracerebral infection with TMEV on commensal microbiota and secondly, whether the early microbiota depletion influences the immune responses to TMEV on the acute phase (14 dpi) and its impact on the chronic phase (85 dpi). The intracranial inoculation of TMEV was associated with a moderate dysbiosis...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289430/envenoming-by-viridovipera-stejnegeri-snake-a-patient-with-liver-cirrhosis-presenting-disruption-of-hemostatic-balance
#17
Chih-Ying Chien, Shu-Chen Liao, Chien-Hung Liao, Ting-Shuo Huang, Yu-Hsien Chen
BACKGROUND: In most cases of envenoming by the green habu Viridovipera stejnegeri in Taiwan coagulopathy is not observed. CASE PRESENTATION: Herein, we describe the case of a patient with liver cirrhosis who developed venom-induced consumptive coagulopathy after V. stejnegeri bite. Laboratory investigation revealed the following: prothrombin time > 100 s (international normalized ratio > 10), activated partial thromboplastin time > 100 s, fibrinogen < 50 mg/dL, and fibrin degradation product > 80 μg/mL...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28289073/sympathetic-nervous-activity-in-patients-with-acute-coronary-syndrome-a-comparative-study-of-inflammatory-biomarkers
#18
Humberto Graner Moreira, Rony Lopes Lage, Daniel G Martinez, Larissa Ferreira-Santos, Maria U P B Rondon, Carlos Eduardo Negrão, Jose C Nicolau
Previous studies have shown that both sympathetic hyperactivity and enhanced inflammatory responses are associated with poor outcomes in patients with acute coronary syndrome (ACS). Whether there is a correlation between these two characteristics remains unclear. Thirty-four patients with uncomplicated ACS were evaluated; their mean age was 51.7 ± 7.0 years, 79.4% were male, and 94.1% had myocardial infarction. On the fourth day of hospitalization, they underwent muscle sympathetic nerve activity (MSNA) analysis (microneurography), as well as ultrasensitive C-reactive protein (usCRP), interleukin-6 (IL-6) and lipoprotein-associated phospholipase A2 (Lp-PLA2) activity measurements...
March 13, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28286500/diet-induced-obesity-does-not-alter-tigecycline-treatment-efficacy-in-murine-lyme-disease
#19
Helena Pětrošová, Azad Eshghi, Zoha Anjum, Nataliya Zlotnikov, Caroline E Cameron, Tara J Moriarty
Obese individuals more frequently suffer from infections, as a result of increased susceptibility to a number of bacterial pathogens. Furthermore, obesity can alter antibiotic treatment efficacy due to changes in drug pharmacokinetics which can result in under-dosing. However, studies on the treatment of bacterial infections in the context of obesity are scarce. To address this research gap, we assessed efficacy of antibiotic treatment in diet-induced obese mice infected with the Lyme disease pathogen, Borrelia burgdorferi...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28286460/lipid-response-patterns-in-acute-phase-paediatric-plasmodium-falciparum-malaria
#20
Judy Orikiiriza, Izabella Surowiec, Elisabeth Lindquist, Mari Bonde, Jimmy Magambo, Charles Muhinda, Sven Bergström, Johan Trygg, Johan Normark
INTRODUCTION: Several studies have observed serum lipid changes during malaria infection in humans. All of them were focused at analysis of lipoproteins, not specific lipid molecules. The aim of our study was to identify novel patterns of lipid species in malaria infected patients using lipidomics profiling, to enhance diagnosis of malaria and to evaluate biochemical pathways activated during parasite infection. METHODS: Using a multivariate characterization approach, 60 samples were representatively selected, 20 from each category (mild, severe and controls) of the 690 study participants between age of 0...
2017: Metabolomics: Official Journal of the Metabolomic Society
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