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https://www.readbyqxmd.com/read/29154783/involvement-of-monocarboxylate-transporter-1-slc16a1-in-the-uptake-of-l-lactate-in-human-astrocytes
#1
Masaya Ideno, Masaki Kobayashi, Shotaro Sasaki, Yuya Futagi, Katsuya Narumi, Ayako Furugen, Ken Iseki
PURPOSE: Astrocytes, the most abundant glial cells in the central nervous system (CNS), help neurons survive Monocarboxylate transporters (MCTs) are reported to transport l-lactate, which is important for CNS physiology and cognitive function. However, it remains unclear which MCT isoform is functionally expressed by human astrocytes. The aim of this study was to establish the contribution of each MCT isoform to l-lactate transport in human astrocytes. METHODS: The function of l-lactate transport was studied using NHA cells as a human astrocyte model and radiolabeled l-lactate...
November 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/29151490/ppar%C3%AE-alleviates-right-ventricular-failure-secondary-to-pulmonary-arterial-hypertension-in-rats
#2
Ying Xu, Qin Gu, Ning Liu, Yan Yan, Xilan Yang, Yingying Hao, Chen Qu
Pulmonary arterial hypertension (PAH) is characterized by pulmonary vascular remodeling leading to right ventricular hypertrophy (RVH) and failure. Peroxisome proliferator-activated receptor γ (PPARγ), a member of nuclear receptors, has been proved to ameliorate PAH. However, its effect on PAH-induced right ventricular failure (RVF) remains unknown. Therefore, we investigated the therapeutic potential of PPARγ in preventing monocrotaline (MCT) -induced RV dysfunction. The PAH model was induced by MCT administration...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29151278/tetrahydrobiopterin-bh4-targeting-endothelial-nitric-oxide-synthase-as-a-potential-therapy-for-pulmonary-hypertension
#3
Bahaa N Francis, Maram Salameh, Rola Khamisy-Farah, Raymond Farah
PURPOSE: Pulmonary Hypertension (PH) is complex disease which is associated with endothelial and cardiac dysfunction. Tetrahydrobiopterin (BH4 ) regulates endothelial nitric oxide synthase (eNOS) to produce nitric oxide rather than superoxide which maintains normal endothelial and cardiac function. This study explores the therapeutic potential of BH4 in experimental PH. METHODS: Monocrotaline-induced PH in rats and Hph-1 deficiency in mice were used for animal experiments...
November 19, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29146573/prostanoid-ep4-agonist-l-902-688-activates-ppar%C3%AE-and-attenuates-pulmonary-arterial-hypertension
#4
Hsin-Hsien Li, Hsao-Hsun Hsu, Gwo-Jyh Chang, I-Chen Chen, Wan-Jing Ho, Pei-Chen Hsu, Wei-Jan Chen, Jong-Hwei Su Pang, Chung-Chi Huang, Ying-Ju Lai
Prostacyclin agonists that bind the prostacyclin receptor (IP) to stimulate cyclic adenosine monophosphate (cAMP) synthesis are effective vasodilators for the treatment of idiopathic pulmonary arterial hypertension (IPAH) but this signaling may occur through nuclear peroxisome proliferator-activated receptor-gamma (PPARγ). There is evidence of scant IP and PPARγ expression but stable prostanoid EP4 receptor (EP4) expression in IPAH patients. Both IP and EP4 functionally couple with stimulatory G protein (Gs), which activate signal transduction...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29146527/osthole-attenuates-right-ventricular-remodeling-via-decreased-myocardial-apoptosis-and-inflammation-in-monocrotaline-induced-rats
#5
Yeli Li, Yiqi Li, Fuguo Shi, Lina Wang, Lisheng Li, Danli Yang
Osthole (Ost) is a coumarin that exhibits wide pharmacological effects in the cardiovascular system. However, whether Ost can inhibit apoptosis and inflammation in right ventricle (RV) cardiomyocytes and prevent RV remodeling is not clear. This study was designed to investigate the effect of Ost on RV remodeling and the underlying mechanism. By applying a monocrotaline (MCT)-induced rat model, the effect of Ost on RV remodeling was investigated. Rats were given a single dose of MCT (50mg⁄kg) subcutaneously (s...
November 13, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29145078/the-efficacy-of-group-metacognitive-therapy-for-children-mct-c-with-generalized-anxiety-disorder-an-open-trial
#6
Barbara Hoff Esbjørn, Nicoline Normann, Bianca Munkebo Christiansen, Marie Louise Reinholdt-Dunne
Metacognitive therapy is an effective treatment for anxiety disorders in adults. Studies have demonstrated that the underlying theoretical model is also supported in children. It has therefore been suggested that metacognitive therapy for children may be effective. Our study is an open trial of metacognitive therapy for children with generalized anxiety as their primary disorder. Therapy was provided in groups. Families were interviewed with the Anxiety Disorders Interview Schedule - child/parent versions. They reported on the child's anxiety levels using the Revised Childrens Anxiety and Depression Scale - child/parent versions...
November 10, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/29133120/enhanced-oral-absorption-and-anticancer-efficacy-of-cabazitaxel-by-overcoming-intestinal-mucus-and-epithelium-barriers-using-surface-polyethylene-oxide-peo-decorated-positively-charged-polymer-lipid-hybrid-nanoparticles
#7
Tianyang Ren, Qian Wang, Ying Xu, Lin Cong, Jingxin Gou, Xiaoguang Tao, Yu Zhang, Haibing He, Tian Yin, Haotian Zhang, Yan Zhang, Xing Tang
Polymer-lipid hybrid nanoparticles, PMONPs, were developed to improve the oral absorption of cabazitaxel (CTX), a semi-synthetic taxane derivative, by overcoming multiple gastrointestinal barriers. The nano-carrier is comprised of a poly(ε-caprolactone) (PCL) and chain triglyceride (MCT) hybrid core for drug loading, and a positively charged surface while slightly concealed with a polyethylene oxide (PEO) shell by insertion of poloxamer 188, with the aim of improving the intestinal mucus permeation and epithelial cell uptake...
November 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29133079/baicalein-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-by-inhibiting-vascular-remodeling-in-rats
#8
Ruizan Shi, Zehui Wei, Diying Zhu, Naijie Fu, Wang Chang, Sha Yin, Yueqin Liang, Jianfeng Xing, Xuening Wang, Yan Wang
BACKGROUND: Pulmonary arterial hypertension (PAH) is a devastating cardiopulmonary disorder characterized by elevated pulmonary arterial pressure (PAP) and right ventricular hypertrophy (RVH) driven by progressive vascular remodeling. Reversing adverse vascular remodeling is an important concept in the treatment of PAH. Endothelial injury, inflammation, and oxidative stress are three main contributors to pulmonary vascular remodeling. Baicalein is a natural flavonoid that has been shown to possess anti-proliferative, anti-inflammatory, anti-oxidative, and cardioprotective properties...
November 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29128948/a-dramatic-case-of-odynophagia
#9
B Sopeña, J Limeres, L García-Caballero, M Diniz-Freitas, J Seoane, P Diz
We report the case of a 77-year-old male with a history of aortic stenosis and interstitial lung disease, who debuted 3 years ago with an outbreak of necrotic and very painful canker sores. The severity of the lesions and their refractory response to treatment led to several hospital admissions and multiple consultations to different specialists (ENT, rheumatology, dermatology, ophthalmology, cardiology, and internal medicine). During this time, the patient received central parenteral nutrition with an episode of catheter-related septicemia, and he came to require psychiatric assistance for autolytic ideation...
November 11, 2017: Dysphagia
https://www.readbyqxmd.com/read/29128821/effects-of-organic-and-inorganic-compounds-of-diesel-exhaust-particles-on-the-mucociliary-epithelium-an-experimental-study-on-the-frog-palate-preparation
#10
Sergio Henrique Kiemle Trindade, Robson Seriani, Geraldo Lorenzi-Filho, João Ferreira de Mello Júnior, Luiz Ubirajara Sennes, Paulo Hilário Nascimento Saldiva, Mariângela Macchione
The toxic actions of acute exposition to different diesel exhaust particles (DEPA) fractions on the mucociliary epithelium are not yet fully understood due to different concentrations of organic and inorganic elements. These chemicals elements produce damage to the respiratory epithelium and exacerbate pre-existent diseases. In our study we showed these differences in two experimental studies. Study I (dose-response curve - DRCS): Forty frog-palates were exposed to the following dilutions: frog ringer, intact DEPA diluted in frog-ringer at 3mg/L, 6mg/L and 12mg/L...
November 9, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29124506/heart-rate-variability-biofeedback-does-not-substitute-for-asthma-steroid-controller-medication
#11
Paul M Lehrer, Charles G Irvin, Shou-En Lu, Anthony Scardella, Beatrix Roehmheld-Hamm, Milisyaris Aviles-Velez, Jessica Graves, Evgeny G Vaschillo, Bronya Vaschillo, Flavia Hoyte, Harold Nelson, Frederick S Wamboldt
Despite previous findings of therapeutic effects for heart rate variability biofeedback (HRVB) on asthma, it is not known whether HRVB can substitute either for controller or rescue medication, or whether it affects airway inflammation. Sixty-eight paid volunteer steroid naïve study participants with mild or moderate asthma were given 3 months of HRVB or a comparison condition consisting of EEG alpha biofeedback with relaxing music and relaxed paced breathing (EEG+), in a two-center trial. All participants received a month of intensive asthma education prior to randomization...
November 9, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/29122734/gene-editing-of-mps-i-human-fibroblasts-by-co-delivery-of-a-crispr-cas9-plasmid-and-a-donor-oligonucleotide-using-nanoemulsions-as-nonviral-carriers
#12
Roselena Silvestri Schuh, Talita Giacomet de Carvalho, Roberto Giugliani, Ursula Matte, Guilherme Baldo, Helder Ferreira Teixeira
Mucopolysaccharidosis type I (MPS I) is an inherited disease caused by the deficiency of alpha-L-iduronidase (IDUA). This study shows the use of nanoemulsions co-complexed with the plasmid of CRISPR/Cas9 system and a donor oligonucleotide aiming at MPS I gene editing in vitro. Nanoemulsions composed of MCT, DOPE, DOTAP, DSPE-PEG, and water were prepared by high-pressure homogenization. The DNA was complexed by adsorption or encapsulation of preformed DNA/DOTAP complexes with nanoemulsions at +4/ -1 charge ratio...
November 6, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29122198/effect-of-police-mobile-computer-terminal-interface-design-on-officer-driving-distraction
#13
Maryam Zahabi, David Kaber
Several crash reports have identified in-vehicle distraction to be a primary cause of emergency vehicle crashes especially in law enforcement. Furthermore, studies have found that mobile computer terminals (MCTs) are the most frequently used in-vehicle technology for police officers. Twenty police officers participated in a driving simulator-based assessment of visual behavior, performance, workload and situation awareness with current and enhanced MCT interface designs. In general, results revealed MCT use while driving to decrease officer visual attention to the roadway, but usability improvements can reduce the level of visual distraction and secondary-task completion time...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29118979/the-effects-of-starter-microbiota-and-the-early-life-feeding-of-medium-chain-triglycerides-on-the-gastric-transcriptome-profile-of-2-or-3-week-old-cesarean-delivered-piglets
#14
Paolo Trevisi, Davide Priori, Vincenzo Motta, Diana Luise, Alfons J M Jansman, Sietse-Jan Koopmans, Paolo Bosi
Background: The stomach is an underestimated key interface between the ingesta and the digestive system, affecting the digestion and playing an important role in several endocrine functions. The quality of starter microbiota and the early life feeding of medium chain triglycerides may affect porcine gastric maturation. Two trials (T1, T2) were carried out on 12 and 24 cesarean-delivered piglets (birth, d0), divided over two microbiota treatments, but slaughtered and sampled at two or three weeks of age, respectively...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29116177/high-mast-cell-density-indicates-a-longer-overall-survival-in-oral-squamous-cell-carcinoma
#15
Phillipp Brockmeyer, Alexander Kling, Xenia Schulz, Christina Perske, Henning Schliephake, Bernhard Hemmerlein
This study evaluates the effects of tumour-associated mast cells on the prognosis of patients suffering from oral squamous cell carcinoma (OSCC). Tryptase-positive (MCT(+)) and CD117-positive (CD117(+)) mast cells were immunohistochemically evaluated in tissue samples of 118 OSCC patients. Besides, various clinicopathological parameters, the influence of the MCT(+) and CD117(+) mast cell density on overall survival and the incidence of first local recurrence was analysed by Cox regression and competing risk regression...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115380/combination-treatment-of-adipose-derived-stem-cells-and-adiponectin-attenuates-pulmonary-arterial-hypertension-in-rats-by-inhibiting-pulmonary-arterial-smooth-muscle-cell-proliferation-and-regulating-the-ampk-bmp-smad-pathway
#16
Li Luo, Wuhong Zheng, Guili Lian, Huaning Chen, Ling Li, Changsheng Xu, Liangdi Xie
The present study aimed to assess the effects of therapy with adiponectin (APN) gene-modified adipose-derived stem cells (ADSCs) on pulmonary arterial hypertension (PAH) in rats and the underlying cellular and molecular mechanisms. ADSCs were successfully isolated from the rats and characterized. ADSCs were effectively infected with the green fluorescent protein (GFP)-empty (ADSCs-V) or the APN-GFP (ADSCs-APN) lentivirus and the APN expression was evaluated by ELISA. Sprague-Dawley rats were administered monocrotaline (MCT) to develop PAH...
October 31, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29113201/high-expression-of-monocarboxylate-transporter-4-predicts-poor-prognosis-in-patients-with-lung-adenocarcinoma
#17
Yushu Ruan, Fanjun Zeng, Zhiqiang Cheng, Xianda Zhao, Pin Fu, Honglei Chen
Monocarboxylate transporter 4 (MCT-4) serves a key function in transporting lactate across the plasma membrane in various types of human cancer. Evidence indicates that MCT-4 expression is associated with non-small cell lung cancer; however, the distribution and clinical significance of MCT-4 in the lung adenocarcinoma (AC) subtype remain unknown. Thus, the aim of the present study was to explore the clinicopathological significance and prognostic values of MCT-4 expression in lung AC. Quantum dots-based immunofluorescence histochemistry was performed to observe the expression of MCT-4 in 146 specimens of lung AC and corresponding normal lung tissues...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29111778/multi-carotenoids-at-physiological-levels-inhibit-vegf-induced-tube-formation-of-endothelial-cells-and-the-possible-mechanisms-of-action-both-in-vitro-and-ex-vivo
#18
Chien-Hao Huang, Chin-Shiu Huang, Miao-Lin Hu, Cheng-Hung Chuang
Carotenoids have been shown to exhibit antiangiogenic activities. Several studies have indicated that carotenoids used in combination were more effective on antioxidation and anticancer actions than carotenoids used singly. However, it is unclear whether multi-carotenoids have antiangiogenic effects. We investigated the effects of multi-carotenoids at physiological plasma levels of Taiwanese (abbreviated as MCT, with a total of 1.4 μM) and Americans (abbreviated as MCA, with a total of 1.8 μM), and of post-supplemental plasma levels (abbreviated as HMC with a total of 3...
November 7, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29106693/embracing-psychosis-a-cognitive-insight-intervention-improves-personal-narratives-and-meaning-making-in-patients-with-schizophrenia
#19
Steffen Moritz, Candelaria I Mahlke, Stefan Westermann, Friederike Ruppelt, Paul H Lysaker, Thomas Bock, Christina Andreou
Schizophrenia is a complex psychiatric disorder with unknown and presumably heterogeneous etiology. While the disorder can have various outcomes, research is predominantly "deficit-oriented" emphasizing the hardship that the disorder inflicts on sufferers as well as their families and society. Beyond symptom reduction, imparting patients with hope and meaning in life is increasingly considered an important treatment target, which may raise self-esteem, and reduce self-stigma and suicidal ideation. The present study compared a psychotherapeutic treatment aimed at improving cognitive insight, individualized metacognitive intervention (MCT+), with an active control in order to elucidate if personal meaning-making and hope can be improved in patients with psychosis across time...
July 4, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29104332/metacognitive-therapy-for-emotional-distress-in-adult-cancer-survivors-a-case-series
#20
Peter L Fisher, Angela Byrne, Peter Salmon
Many adult cancer survivors experience persistent emotional distress after completing cancer treatment. The aim of this study was to test the potential of a brief transdiagnostic psychological intervention-metacognitive therapy (MCT)-in reducing emotional distress in adult cancer survivors. A non-concurrent multiple baseline design with 3- and 6-months follow-up was used to evaluate the effects of MCT in four patients consecutively referred to a psycho-oncology service. Each patient received six 1-h sessions of MCT...
2017: Cognitive Therapy and Research
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