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https://www.readbyqxmd.com/read/29340081/pcpa-protects-against-monocrotaline-induced-pulmonary-arterial-remodeling-in-rats-potential-roles-of-connective-tissue-growth-factor
#1
Yang Bai, Zhong-Xia Li, Yue-Tong Zhao, Mo Liu, Yun Wang, Guo-Chao Lian, Qi Zhao, Huai-Liang Wang
The purpose of this study was to investigate the mechanism of monocrotaline (MCT)-induced pulmonary artery hypertension (PAH) and determine whether 4-chloro-DL-phenylalanine (PCPA) could inhibit pulmonary arterial remodeling associated with connective tissue growth factor (CTGF) expression and downstream signal pathway. MCT was administered to forty Sprague Dawley rats to establish the PAH model. PCPA was administered at doses of 50 and 100 mg/kg once daily for 3 weeks via intraperitoneal injection. On day 22, the pulmonary arterial pressure (PAP), right ventricle hypertrophy index (RVI) and pulmonary artery morphology were assessed and the serotonin receptor-1B (SR-1B), CTGF, p-ERK/ERK were measured by western blot or immunohistochemistry...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29338615/assessment-of-canine-mast-cell-tumor-mortality-risk-based-on-clinical-histologic-immunohistochemical-and-molecular-features
#2
Rodrigo S Horta, Gleidice E Lavalle, Lidianne N Monteiro, Mayara C C Souza, Geovanni D Cassali, Roberto B Araújo
Mast cell tumor (MCT) is a frequent cutaneous neoplasm in dogs that is heterogeneous in clinical presentation and biological behavior, with a variable potential for recurrence and metastasis. Accurate prediction of clinical outcomes has been challenging. The study objective was to develop a system for classification of canine MCT according to the mortality risk based on individual assessment of clinical, histologic, immunohistochemical, and molecular features. The study included 149 dogs with a histologic diagnosis of cutaneous or subcutaneous MCT...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29337103/green-options-for-imparting-antibacterial-functionality-to-cotton-fabrics
#3
Nabil A Ibrahim, Nahed A Abd El-Ghany, Basma M Eid, Eman M Mabrouk
This study demonstrated that antibacterial cellulosic textiles can be fabricated in eco-friendly manner by grafting of monochlorotriazinyl β-cyclodextin (MCT-βCD) onto knitted and woven cotton fabrics followed by post-loading of any of the green active ingredients namely Rosemary oil, Lavender oil, Clove oil, Cinnamon oil, Aloe vera gel, Vanillin, Ag-ions, Natural Yellow 7 and Natural Red 25 dyes into the hydrophobic cavities of grafted β-CD moieties. Some of the grafted, post-loaded fabric samples were characterized by FTIR, SEM, and EDS analysis...
January 11, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29334121/the-multipotency-to-commitment-transition-mct-in-c-elegans-implications-for-reprogramming-from-cells-to-organs
#4
REVIEW
Erik A Spickard, Pradeep M Joshi, Joel H Rothman
In animal embryos, cells transition from a multipotential state, with the capacity to adopt multiple fates, into an irreversible, committed state of differentiation. This multipotency-to-commitment transition (MCT) is evident from experiments in which cell fate is reprogrammed by transcription factors for cell-type-specific differentiation, as has been observed extensively in C. elegans. Although factors that direct differentiation into each of the three germ layer types cannot generally reprogram cells after the MCT in this animal, transcription factors for endoderm development are able to do so in multiple differentiated cell types...
January 15, 2018: FEBS Letters
https://www.readbyqxmd.com/read/29333463/characteristics-of-smoothing-filters-to-achieve-the-guideline-recommended-positron-emission-tomography-image-without-harmonization
#5
Yuji Tsutsui, Shinichi Awamoto, Kazuhiko Himuro, Yoshiyuki Umezu, Shingo Baba, Masayuki Sasaki
Objectives: The aim of this study is to examine the effect of different smoothing filters on the image quality and SUVmax to achieve the guideline recommended positron emission tomography (PET) image without harmonization. Methods: We used a Biograph mCT PET scanner. A National Electrical Manufacturers Association (NEMA) the International Electrotechnical Commission (IEC) body phantom was filled with 18F solution with a background activity of 2.65 kBq/mL and a sphere-to-background ratio of 4...
2018: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/29328692/role-of-the-pair-correlation-function-in-the-dynamical-transition-predicted-by-mode-coupling-theory
#6
Manoj Kumar Nandi, Atreyee Banerjee, Chandan Dasgupta, Sarika Maitra Bhattacharyya
In a recent study, we have found that for a large number of systems the configurational entropy at the pair level S_{c2}, which is primarily determined by the pair correlation function, vanishes at the dynamical transition temperature T_{c}. Thus, it appears that the information of the transition temperature is embedded in the structure of the liquid. In order to investigate this, we describe the dynamics of the system at the mean field level and, using the concepts of the dynamical density functional theory, show that the dynamical transition temperature depends only on the pair correlation function...
December 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29324510/reliability-and-validity-of-computerized-force-platform-measures-of-balance-function-in-healthy-older-adults
#7
Cathy C Harro, Chelsea Garascia
BACKGROUND AND PURPOSE: Postural control declines with aging and is an independent risk factor for falls in older adults. Objective examination of balance function is warranted to direct fall prevention strategies. Force platform (FP) systems provide quantitative measures of postural control and analysis of different aspects of balance. The purpose of this study was to examine the reliability and validity of FP measures in healthy older adults. METHODS: This study enrolled 46 healthy elderly adults, mean age 67...
January 10, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29322606/association-of-tumour-infiltrating-regulatory-t-cells-with-adverse-outcomes-in-dogs-with-malignant-tumours
#8
K Sakai, S Maeda, Y Yamada, J K Chambers, K Uchida, H Nakayama, T Yonezawa, N Matsuki
Regulatory T cells (Tregs) infiltrate into a variety of tumour tissues and associate with poor prognosis in humans. However, data on association of Treg infiltration with prognosis is limited in canine tumours. The purpose of this study was to examine the number of tumour-infiltrating Tregs and its association with overall survival (OS) in dogs with malignant tumours. The following 168 canine tumours were included: 37 oral malignant melanomas (OMMs); 14 oral squamous cell carcinomas (OSCCs); 16 pulmonary adenocarcinomas (PAs); 37 mammary carcinomas (MCs); 36 mast cell tumours (MCTs) and 28 hepatocellular carcinomas (HCCs)...
January 11, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29319354/inhibition-of-the-rhoa-rho-associated-coiled-coil-containing-protein-kinase-1-pathway-is-involved-in-the-therapeutic-effects-of-simvastatin-on-pulmonary-arterial-hypertension
#9
Wei-Hua Liu, Xiao-Hong Xu, Qin Luo, Hong-Liang Zhang, Yong Wang, Qun-Ying Xi, Zhi-Hui Zhao, Zhi-Hong Liu
BACKGROUND: Recent research has shown that statins improve pulmonary arterial hypertension (PAH), but their mechanisms of action are not fully understood. This study aimed to investigate the role of RhoA/ROCK1 regulation in the therapeutic effects of simvastatin on PAH. METHODS: For in vivo experiments, rats (N = 40) were randomly assigned to four groups: control, simvastatin, monocrotaline (MCT), and MCT + simvastatin. The MCT group and MCT + simvastatin groups received proline dithiocarbamate (50 mg/kg, i...
January 10, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29311495/fluorescent-imaging-analysis-for-distribution-of-fluorescent-dye-labeled-or-encapsulated-liposome-in-monocrotaline-induced-pulmonary-hypertension-model-rat
#10
Yo Muraki, Midori Yamasaki, Hirohisa Takeuchi, Kimio Tohyama, Noriyasu Sano, Takanori Matsuo
Pulmonary hypertension (PH) is a life-threatening lung disease. Despite the availability of several approved drugs, the development of a new treatment method is needed because of poor prognosis. Tissue selective drug delivery systems can avoid the adverse effects of current therapy and enhance efficacy. We evaluated the possibility of delivering drugs to the lungs of a PH rat model using fluorescence dye-labeled nanosized liposomes. To evaluate the tissue distribution following systemic exposure, fluorescent dye-labeled, 40-180 nm liposomes with and without polyethylene glycol (PEG) were intravenously administered to a monocrotaline-induced PH (MCT) rat model and tissue fluorescence was measured...
January 6, 2018: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29310893/effect-of-fat-composition-in-enteral-nutrition-for-crohn-s-disease-in-adults-a-systematic-review
#11
REVIEW
Sarah M Ajabnoor, Alastair Forbes
BACKGROUND & AIMS: The role of enteral nutrition (EN) fat composition in regulating inflammation in Crohn's disease (CD) is not clear. There is, moreover, insufficient evidence to guide the choice of EN in CD with any confidence. We have reanalysed the findings of previous studies in a systematic review focussing on the relationship between EN fat content and remission rates (RR). METHODS: A systematic search with no language restriction was undertaken in Medline and Embase databases supplemented by a manual search in the reference lists of identified studies...
December 28, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29310718/metacognitive-therapy-vs-eye-movement-desensitization-and-reprocessing-for-posttraumatic-stress-disorder-study-protocol-for-a-randomized-superiority-trial
#12
Hans M Nordahl, Joar Øveraas Halvorsen, Odin Hjemdal, Mimoza Rrusta Ternava, Adrian Wells
BACKGROUND: The psychological treatment of choice for patients with severe posttraumatic stress disorder (PTSD) is cognitive behavioural exposure therapy or Eye Movement Desensitisation Reprocessing (EMDR). Whilst these are the most effective treatments, approximately 30-45% of the patients show no significant improvements and follow-up data are sparse. Furthermore, a proportion of patients with severe trauma does not benefit or avoid exposure therapy due to the potential to overwhelm them...
January 8, 2018: Trials
https://www.readbyqxmd.com/read/29307699/questionnaire-survey-on-the-current-status-of-ketogenic-diet-therapy-in-patients-with-glucose-transporter-1-deficiency-syndrome-glut1ds-in-japan
#13
Hirokazu Oguni, Yasushi Ito, Yui Otani, Satoru Nagata
OBJECTIVES: We conducted a questionnaire survey on the efficacy and side effects of ketogenic diet (KD) therapy in patients with glucose transporter 1 deficiency syndrome (GLUT1DS) as well as issues associated with long-term KD therapy from the viewpoint of patients' families. SUBJECTS AND METHODS: The subjects were 34 patients whose ages at the time of the survey ranged between 2 and 50 years (median, 11 years). The ages at the diagnosis ranged between 3 months and 48 years and 5 months (median, 4 years and 10 months), and KD therapy was started within 5 months in all patients...
December 26, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29303786/aerobic-glycolysis-in-amyotrophic-lateral-sclerosis-and-huntington-s-disease
#14
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Neurodegenerative cells are the sites of numerous metabolic and energetic abnormalities with abnormalities in energy production. Energy is the primary determinant of neuronal viability. In neurodegenerative cells, metabolic enzymes are modified by the dysregulation of the canonical WNT/β-catenin pathway. In amyotrophic lateral sclerosis (ALS) and Huntington's disease (HD), WNT/β-catenin pathway is upregulated. We focused this review on the hypothesis of aerobic glycolysis stimulated by the upregulation of WNT/β-catenin pathway in ALS and HD...
January 5, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29301575/warburg-effect-hypothesis-in-autism-spectrum-disorders
#15
REVIEW
Alexandre Vallée, Jean-Noël Vallée
Autism spectrum disorder (ASD) is a neurodevelopmental disease which is characterized by a deficit in social interactions and communication with repetitive and restrictive behavior. In altered cells, metabolic enzymes are modified by the dysregulation of the canonical WNT/β-catenin pathway. In ASD, the canonical WNT/β-catenin pathway is upregulated. We focus this review on the hypothesis of Warburg effect stimulated by the overexpression of the canonical WNT/β-catenin pathway in ASD. Upregulation of WNT/β-catenin pathway induces aerobic glycolysis, named Warburg effect, through activation of glucose transporter (Glut), pyruvate kinase M2 (PKM2), pyruvate dehydrogenase kinase 1(PDK1), monocarboxylate lactate transporter 1 (MCT-1), lactate dehydrogenase kinase-A (LDH-A) and inactivation of pyruvate dehydrogenase complex (PDH)...
January 4, 2018: Molecular Brain
https://www.readbyqxmd.com/read/29300533/the-efficacy-and-safety-of-mannitol-challenge-in-a-workplace-setting-for-assessing-asthma-prevalence
#16
Marcelo B de Menezes, Erica Ferraz, John D Brannan, Edson Z Martinez, Elcio O Vianna
OBJECTIVE: There is no standard definition of asthma for epidemiological purposes; most surveys use symptoms and bronchial hyperresponsiveness. Few studies tested mannitol challenge test (MCT) in occupational settings. We sought to determine efficacy and safety of MCT in detecting subjects with asthma symptoms in the workplace. METHODS: In this cross-sectional study we recruited 908 workers in 2 universities; they underwent a respiratory questionnaire, spirometry, skin prick tests, and MCT...
January 4, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29290032/foxm1-promotes-pulmonary-artery-smooth-muscle-cell-expansion-in-pulmonary-arterial-hypertension
#17
Alice Bourgeois, Caroline Lambert, Karima Habbout, Benoit Ranchoux, Stéphanie Paquet-Marceau, Isabelle Trinh, Sandra Breuils-Bonnet, Renée Paradis, Valérie Nadeau, Roxane Paulin, Steeve Provencher, Sébastien Bonnet, Olivier Boucherat
Pulmonary arterial hypertension (PAH) is a progressive vascular remodeling disease characterized by a persistent elevation of pulmonary artery pressure, leading to right heart failure and premature death. Exaggerated proliferation and resistance to apoptosis of pulmonary artery smooth muscle cells (PASMCs) is a key component of vascular remodeling. Despite major advances in the field, current therapies for PAH remain poorly effective in reversing the disease or significantly improving long-term survival. Because the transcription factor FOXM1 is necessary for PASMC proliferation during lung morphogenesis and its overexpression stimulates proliferation and evasion of apoptosis in cancer cells, we thus hypothesized that upregulation of FOXM1 in PAH-PASMCs promotes cell expansion and vascular remodeling...
December 30, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29288124/adult-hepatocytes-direct-liver-organogenesis-through-non-parenchymal-cell-recruitment-in-the-kidney
#18
Rie Utoh, Junji Komori, Hiroyuki Kuge, Kohei Tatsumi, Masumi Yamada, Shinji Hirohashi, Masahiro Tsutsumi, Toshihiro Amanuma, Akira Yoshioka, Yoshiyuki Nakajima, Kenjiro Wake, Teruo Okano, Eric Lagasse, Kazuo Ohashi
BACKGROUND & AIMS: Since the first account of the myth of Prometheus, the amazing regenerative capacity of the liver has fascinated researchers due to its enormous medical potential. Liver regeneration is promoted by multiple types of liver cells, including hepatocytes and liver non-parenchymal cells (NPCs), through the complex intercellular signaling. However, the liver organogenetic mechanism, especially the role of adult hepatocytes at ectopic sites, remains unknown. In this study, we demonstrate that hepatocytes alone spurred liver organogenesis to form an organ-sized complex 3D liver that exhibited native liver architecture and functions in the kidneys of mice...
December 26, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29287345/mass-spectrometric-imaging-of-localization-of-fat-molecules-in-water-in-oil-emulsions-containing-semi-solid-fat
#19
Makoto Shiota, Yuichi Shimomura, Mariko Kotera, Shu Taira
Firstly, we report the localization analysis of the lipid components of a water-in-oil (W/O) semi-solid emulsion by mass spectrometry imaging (MSI). Uniform emulsion droplets were prepared using microchannel emulsification devices with lecithin, stearic acid-binding monoglyceride (St-MAG), and polyglycerol polyricinoleate (PGPR) as emulsifiers. The mass image gives us the localization of phosphatidylcholine (PC) in lecithin, St-MAG, tripalmitin (PPP), medium-chain triglyceride (MCT), and high-melting-point triglyceride tristearin (C18-TAG)...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29286128/protection-against-monocrotaline-induced-pulmonary-arterial-hypertension-and-caveolin-1-downregulation-by-fluvastatin-in-rats
#20
Shaoping Zhu, Junyu Wang, Xianguo Wang, Jinping Zhao
Statins are Hydroxymethylglutaryl-coenzyme A reductase inhibitors, which are typically used to lower blood cholesterol. Additional beneficial effects, including improvement to pulmonary arterial hypertension (PAH), have also been confirmed. However, the mechanisms underlying this improvement have not yet been clarified. The present study was conducted to determine if fluvastatin was protective against experimental PAH development and to investigate the potential effects of fluvastatin on caveolin‑1 (cav‑1) expression...
December 22, 2017: Molecular Medicine Reports
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