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https://www.readbyqxmd.com/read/27931275/serum-tryptase-level-and-inflammatory-markers-in-exhaled-breath-condensate-of-children-with-exercise-induced-symptoms
#1
Iwona Stelmach, Magdalena Zaczeniuk, Anna Sztafiska, Pawe Majak, Joanna Jerzyska, Anna Kuklinska-Pijanka, Wlodzimierz Stelmach
BACKGROUND: The pathogenesis of exercise-induced bronchoconstriction (EIB) is poorly understood. OBJECTIVE: To evaluate the biomarkers concentration in exhaled breath condensate (EBC) in schoolchildren with postexercise symptoms. We also evaluated changes in fractional exhaled nitric oxide (FeNO) value and the serum tryptase level after exercise. METHODS: One hundred children with postexercise symptoms were included. Methacholine challenge testing (MCT) was performed at visit 2, and exercise challenge testing (ECT) was performed at visit 3...
September 2016: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/27927914/tryptophan-hydroxylase-1-tph1-inhibition-impacts-pulmonary-vascular-remodeling-in-two-rat-models-of-pulmonary-hypertension
#2
Robert J Aiello, Patricia-Ann Bourassa, Qing Zhang, Jeffrey Dubins, Daniel R Goldberg, Stephane De Lombaert, Marc Humbert, Christophe Guignabert, Maria A Cavasin, Timothy A McKinsey, Vishwas Paralkar
Pulmonary arterial hypertension (PAH) is a progressive disease defined by a chronic elevation in pulmonary arterial pressure with extensive pulmonary vascular remodeling and perivascular inflammation characterized by an accumulation of macrophages, lymphocytes, dendritic cells and mast cells. While the exact etiology of the disease is unknown, clinical as well as pre-clinical data strongly implicate a role for serotonin (5 HT) in the process. Here, we investigated the chronic effects of pharmacological inhibition of tryptophan hydroxylase 1 (TPH1), the rate-limiting enzyme in peripheral 5 HT biosynthesis, in two pre-clinical models of pulmonary hypertension (PH), the monocrotaline (MCT) rat and the SU5416 (SUGEN)-hypoxia rat...
December 7, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27922077/mast-cell-phenotype-tnf%C3%AE-expression-and-degranulation-status-in-non-small-cell-lung-cancer
#3
A Shikotra, C M Ohri, R H Green, D A Waller, P Bradding
Mast cell infiltration of tumour islets represents a survival advantage in non-small cell lung cancer (NSCLC). The phenotype and activation status of these mast cells is unknown. We investigated the mast cell phenotype in terms of protease content (tryptase-only [MCT], tryptase + chymase [MCTC]) and tumour necrosis factor-alpha (TNFα) expression, and extent of degranulation, in NSCLC tumour stroma and islets. Surgically resected tumours from 24 patients with extended survival (ES; mean survival 86.5 months) were compared with 25 patients with poor survival (PS; mean survival 8...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27919713/primary-primitive-neuroectodermal-tumor-pnet-arising-from-an-ovarian-mature-cystic-teratoma-in-a-12-year-old-female-a-case-report
#4
Ashley Jaramillo-Huff, Rania Bakkar, Jason Q McKee, Nancy Sokkary
BACKGROUND: Ovarian mature cystic teratomas (MCT) rarely transform to a primary primitive neuroectodermal tumor (PNET)(1). This case report offers evidence that MCTs may have undetected micro-focuses of malignant neural tumors. CASE: We describe the case of a 12-year-old female that presented with right-sided abdominal pain and distention. Intra-operative findings revealed a right ovarian MCT. However, pathology showed a 0.5 centimeter focus of malignant neural tumor within the 11 centimeter MCT...
December 2, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27919404/individualized-metacognitive-therapy-for-delusions-a-randomized-controlled-rater-blind-study
#5
Christina Andreou, Charlotte E Wittekind, Martina Fieker, Ulrike Heitz, Ruth Veckenstedt, Francesca Bohn, Steffen Moritz
BACKGROUND: Theory-driven interventions targeting specific factors that contribute to delusions are receiving increased interest. The present study aimed to assess the efficacy of individualized metacognitive therapy (MCT+), a short manualized intervention that addresses delusion-associated cognitive biases. METHODS: 92 patients with current or past delusions were randomized to receive 12 twice-weekly sessions of either MCT+ or a control intervention within a randomized controlled rater-blind design...
November 29, 2016: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/27916219/coupling-factor-6-is-upregulated-in-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats
#6
Nannan Li, Jie Yin, Weidong Cai, Jingjing Liu, Na Zhang, Suhua Yan, Lucheng Song, Xiaolu Li
BACKGROUND: Pulmonary arterial hypertension (PAH) is a rare and fatal disease. The prostacyclin (PGI2) pathway is a well-known therapeutic target for PAH. As a novel vasoconstrictive peptide, coupling factor 6 (CF6) has been recognized as the only endogenous inhibitor of PGI2. However, the relationship between CF6 and PAH is still unknown. In this study, we investigated the involvement of CF6 in PAH in rats. METHODS: A total of 80 Sprague-Dawley rats were randomly divided into 2 groups: a control group (with saline intraperitoneally) and a monocrotaline (MCT)-treated group (with MCT 60mg/kg intraperitoneal injection)...
December 2016: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/27912147/inhibition-of-endocan-attenuates-monocrotaline-induced-connective-tissue-disease-related-pulmonary-arterial-hypertension
#7
Haiyan Zhao, Yunxin Xue, Yun Guo, Yue Sun, Dongmei Liu, Xiaofei Wang
Connective tissue disease related pulmonary arterial hypertension (CTD-PAH) is characterized by vascular remodeling, endothelial dysfunction and inflammation. Endocan is a novel endothelial dysfunction marker. The aim of the present study was to investigate the role of endocan in CTD-PAH. Monocrotaline (MCT)-induced PAH rats were used as the CTD-PAH model. Short hairpin RNA packed in a lentiviral vector used to inhibit endocan expression was intratracheally instilled in rats prior to the MCT injection. Endocan was found to be increased in the serum and lung of MCT-induced PAH rats...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27909934/current-achievements-and-future-perspectives-of-metronomic-chemotherapy
#8
REVIEW
Adriana Romiti, Rosa Falcone, Michela Roberto, Paolo Marchetti
In recent years, many anticancer drugs have been tested at metronomic dosages for a variety of tumours. Mechanisms of action attributed to metronomic chemotherapy (MCT) include antiangiogenesis, immunomodulation, direct inhibition of tumour growth, effect on tumour initiating cells and the modulation of clonal evolution. An active clinical research, aimed at testing MCT in several cancers, has been conducted over the past 15 years. However, because the majority of available results come from earlier phase II studies, mainly performed in the area of breast cancer (BC), it is clear that there are areas still to be investigated...
December 1, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27908157/volumetry-of-low-contrast-liver-lesions-with-ct-investigation-of-estimation-uncertainties-in-a-phantom-study
#9
Qin Li, Yongguang Liang, Qiao Huang, Min Zong, Benjamin Berman, Marios A Gavrielides, Lawrence H Schwartz, Binsheng Zhao, Nicholas Petrick
PURPOSE: To evaluate the performance of lesion volumetry in hepatic CT as a function of various imaging acquisition parameters. METHODS: An anthropomorphic abdominal phantom with removable liver inserts was designed for this study. Two liver inserts, each containing 19 synthetic lesions with varying diameter (6-40 mm), shape, contrast (10-65 HU), and both homogenous and mixed-density were designed to have background and lesion CT values corresponding to arterial and portal-venous phase imaging, respectively...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27904853/effects-of-postoperative-parenteral-nutrition-with-different-lipid-emulsions-in-patients-undergoing-major-abdominal-surgery
#10
Seher Demirer, Ali Sapmaz, Ahmet Serdar Karaca, Ilknur Kepenekci, Semih Aydintug, Deniz Balci, Pinar Sonyurek, Kenan Kose
PURPOSE: This study was designed to investigate the effects of total parenteral nutrition (PN) using different lipid emulsions in patients undergoing major abdominal surgery. METHODS: Fifty-two patients were randomized to receive soybean oil + medium chain triglycerides (MCT) (group I), soybean oil + olive oil (group II), soybean oil + olive oil + fish oil (group III) as a lipid source. PN was started on postoperative day 1 and patients were maintained on PN for a minimum period of 4 days...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27897253/hyperglycaemia-and-pseudomonas-aeruginosa-acidify-cystic-fibrosis-airway-surface-liquid-by-elevating-epithelial-monocarboxylate-transporter-2-dependent-lactate-h-secretion
#11
James Peter Garnett, Kameljit K Kalsi, Mirko Sobotta, Jade Bearham, Georgina Carr, Jason Powell, Malcolm Brodlie, Christopher Ward, Robert Tarran, Deborah L Baines
The cystic fibrosis (CF) airway surface liquid (ASL) provides a nutrient rich environment for bacterial growth including elevated glucose, which together with defective bacterial killing due to aberrant HCO3(-) transport and acidic ASL, make the CF airways susceptible to colonisation by respiratory pathogens such as Pseudomonas aeruginosa. Approximately half of adults with CF have CF related diabetes (CFRD) and this is associated with increased respiratory decline. CF ASL contains elevated lactate concentrations and hyperglycaemia can also increase ASL lactate...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890762/the-clinical-value-of-intraoperative-mobile-computed-tomography-in-managing-high-risk-surgical-patients-with-traumatic-brain-injury-a-single-tertiary-trauma-center-experience
#12
Ko-Ting Chen, Shih-Tseng Lee, Chieh-Tsai Wu
OBJECTS: A subset of surgically-treated traumatic brain injury (TBI) patients cannot be stabilized by initial surgery. Mobile computed tomography (mCT) provides real-time information for diagnosis in these TBI-surgically high risk (TBI-SHR) patients. The objective of this study was to analyze a 5-year series of TBI-SHR patients to evaluate the impact of intraoperative mCT (imCT) on prognosis. METHODS: Out of 1017 surgically-treated TBI patients retrospectively reviewed over a 5-year period (2009-2013), fifty-nine patients required second operations within 72 hours of their initial surgery due to progressive or delayed hematomas (TBI-SHR group)...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27888262/search-for-an-animal-model-to-investigate-selective-pulmonary-vasodilation
#13
Bodil Petersen, Thilo Busch, Katharina Noreikat, Lorenz Homeister, Ralf Regenthal, Udo X Kaisers
Pulmonary arterial hypertension is a life-threatening disease with a poor prognosis. Oral treatment with vasodilators is often limited by systemic hypotension. Inhalation of vasodilators offers the opportunity for selective pulmonary vasodilation. Testing selective pulmonary vasodilation by inhaled nitric oxide or alternative substances in animal models requires an increased pulmonary vascular tone. The aim of this study was to identify animal models that are suitable for investigating selective pulmonary vasodilation...
November 25, 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27885786/effects-of-flaxseed-oil-on-blood-hepcidin-and-hematologic-factors-in-hemodialysis-patients
#14
Hadi Tabibi, Maryam Mirfatahi, Mehdi Hedayati, Alireza Nasrollahi
Introduction In hemodialysis (HD) patients, one of the common complications is renal anemia. Therefore, the present study was designed to investigate the effects of flaxseed oil consumption on blood hepcidin and hematologic factors in HD patients. Methods In this randomized, double-blind, clinical trial, 38 HD patients were randomly assigned to either the flaxseed oil or the control group. The patients in the flaxseed oil group received 6 g/d flaxseed oil for 8 wk, whereas the control group received 6 g/d medium chain triglycerides (MCT) oil...
November 25, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27879491/18f-fdg-pet-ct-in-renal-infections-evidence-of-acute-pyelonephritis-in-a-horseshoe-kidney
#15
Maxime Morelle, Alice Jaillard, Dimitri Bellevre, Guillaume Collet, Grégory Petyt
A 58-year-old paraplegic patient was prescribed F-FDG for persistent inflammatory syndrome after aortic surgery for dissection. The examination was performed on a Siemens mCT Flow PET/CT and shows a moderate prostate uptake, related to prostatitis on self-catheterization and a focal renal cortical hypermetabolism of the left medial midpole of a horseshoe kidney, which corresponds to renal parenchyma on the CT, and suggests pyelonephritis, confirmed by Tc-DMSA SPECT/CT.
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27873355/isoquercitrin-protects-against-pulmonary-hypertension-via-inhibiting-pasmcs-proliferation
#16
Yongtao Zhang, Yuqian Cui, Wei Deng, Hao Wang, Weidong Qin, Chengmin Huang, Chen Li, Jianning Zhang, Yuan Guo, Dawei Wu, Haipeng Guo
Pulmonary vascular remodeling is a common feature among the heterogeneous disorders that cause pulmonary arterial hypertension (PAH), and pulmonary arterial smooth muscle cells (PASMCs) proliferation impact the long-term prognosis of the patient. Isoquercitrin (IQC) is a flavonoid with anti-oxidative, anti-inflammatory and anti-proliferative activations. This study aimed to investigate whether IQC could prevent PASMCs proliferation and vascular remodeling in monocrotaline (MCT) induced PAH. Male Wistar rats were administered with vehicle or 0...
November 22, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27870930/influence-of-membrane-material-on-the-production-of-colloidal-emulsions-by-premix-membrane-emulsification
#17
Sandra Gehrmann, Heike Bunjes
Premix membrane emulsification is a possibility to produce colloidal emulsions as carrier systems for poorly water soluble drugs. During the extrusion of a coarse pre-emulsion through a porous membrane, the emulsion droplets are disrupted into smaller droplets. The influence of the membrane material on the emulsification success was investigated in dependence on the emulsifier. Premixed medium chain triglyceride (MCT) emulsions stabilized with five different emulsifiers were extruded through seven different hydrophilic polymeric membrane materials with pore sizes of 200nm...
November 18, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27870162/galectin-3-contributes-to-vascular-fibrosis-in-monocrotaline-induced-pulmonary-arterial-hypertension-rat-model
#18
Xiaoyan Wang, Yanli Wang, Jinbo Zhang, Xue Guan, Minggang Chen, Yumei Li, Li Zhang
Galectin-3 (Gal-3) plays a critical role in vascular inflammation and fibrosis. The role of TGF-β1 in mediating pulmonary vascular fibrosis is well documented; thus, we suspected that Gal-3 could be an important factor in TGF-β1-induced fibrosis in pulmonary adventitial fibroblasts (PAFs). We treated rats with monocrotaline (MCT) and cultured PAFs with TGF-β1 to stimulate fibrosis. We found that MCT injection induced vessel thickening and extracellular matrix deposition in vivo. TGF-β1 stimulated the production of collagen and fibronectin (Fn) protein in vitro...
November 21, 2016: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/27867702/evaluation-of-artifact-reduction-in-optical-coherence-tomography-angiography-with-real-time-tracking-and-motion-correction-technology
#19
Acner Camino, Miao Zhang, Simon S Gao, Thomas S Hwang, Utkarsh Sharma, David J Wilson, David Huang, Yali Jia
Artifacts introduced by eye motion in optical coherence tomography angiography (OCTA) affect the interpretation of images and the quantification of parameters with clinical value. Eradication of such artifacts in OCTA remains a technical challenge. We developed an algorithm that recognizes five different types of motion artifacts and used it to evaluate the performance of three motion removal technologies. On en face maximum projection of flow images, the summed flow signal in each row and column and the correlation between neighboring rows and columns were calculated...
October 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27863564/designing-and-developing-pet-based-precision-model-in-thyroid-carcinoma-the-potential-avenues-for-a-personalized-clinical-care
#20
REVIEW
Sandip Basu, Rahul Vithalrao Parghane
This communication enumerates the current uses and potential areas where PET could be clinically utilized for developing "precision medicine" type model in thyroid carcinoma. (1) In routine clinics, PET imaging (with fluorodeoxyglucose [FDG]) is utilized to investigate patients of differentiated thyroid carcinoma (DTC) with high thyroglobulin and negative iodine scintigraphy (TENIS) and in medullary carcinoma thyroid (MCT) when the tumor markers (eg, calcitonin and carcino embryonic antigen [CEA]) are raised postoperatively (PET with FDG, (68)Ga-DOTA-NOC/TATE, FDOPA)...
January 2017: PET Clinics
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