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https://www.readbyqxmd.com/read/28077166/threonine-175-a-novel-pathological-phosphorylation-site-on-tau-protein-linked-to-multiple-tauopathies
#1
Alexander J Moszczynski, Wencheng Yang, Robert Hammond, Lee Cyn Ang, Michael J Strong
Microtubule associated protein tau (tau) deposition is associated with a spectrum of neurodegenerative diseases collectively termed tauopathies. We have previously shown that amyotrophic lateral sclerosis (ALS) with cognitive impairment (ALSci) is associated with tau phosphorylation at Thr(175) and that this leads to activation of GSK3β which then induces phosphorylation at tau Thr(231). This latter step leads to dissociation of tau from microtubules and pathological tau fibril formation. To determine the extent to which this pathway is unique to ALS, we have investigated the expression of pThr(175) tau and pThr(231) tau across a range of frontotemporal degenerations...
January 11, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28069379/ndrg2-overexpression-suppresses-hepatoma-cells-survival-during-metabolic-stress-through-disturbing-the-activation-of-fatty-acid-oxidation
#2
Tao Pan, Mei Zhang, Fang Zhang, Guang Yan, Yi Ru, Qinhao Wang, Yao Zhang, Xuehui Wei, Xinyuan Xu, Lan Shen, Jian Zhang, Kaichun Wu, Libo Yao, Xia Li
Because of the high nutrient consumption and inadequate vascularization, solid tumor constantly undergoes metabolic stress during tumor development. Oncogenes and tumor suppressor genes participated in cancer cells' metabolic reprogramming. N-Myc downstream regulated gene 2 (NDRG2) is a recently identified tumor suppressor gene, but its function in cancer metabolism, particularly during metabolic stress, remains unclear. In this study, we found that NDRG2 overexpression significantly reduced hepatoma cell proliferation and enhanced cell apoptosis under glucose limitation...
January 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28018207/neural-correlates-for-apathy-frontal-prefrontal-and-parietal-cortical-subcortical-circuits
#3
REVIEW
Rita Moretti, Riccardo Signori
Apathy is an uncertain nosographical entity, which includes reduced motivation, abulia, decreased empathy, and lack of emotional involvement; it is an important and heavy-burden clinical condition which strongly impacts in everyday life events, affects the common daily living abilities, reduced the inner goal directed behavior, and gives the heaviest burden on caregivers. Is a quite common comorbidity of many neurological disease, However, there is no definite consensus on the role of apathy in clinical practice, no definite data on anatomical circuits involved in its development, and no definite instrument to detect it at bedside...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28007135/sex-based-differences-in-outcomes-with-transcatheter-aortic-valve-therapy-tvt-registry-from-2011-to-2014
#4
Jaya Chandrasekhar, George Dangas, Jennifer Yu, Sreekanth Vemulapalli, Sunil Suchindran, Amit N Vora, Usman Baber, Roxana Mehran
BACKGROUND: A differential impact of sex has been observed in transcatheter aortic valve replacement (TAVR) outcomes from small observational studies and subgroup analyses of randomized trials. OBJECTIVES: The goal of this study was to compare the in-hospital and 1-year outcomes in male and female subjects from the U.S. nationwide TAVR registry. METHODS: National data from the Society of Thoracic Surgeons/American College of Cardiology Transcatheter Valve Therapy Registry were used for in-hospital outcomes, and data linked from the Centers for Medicare & Medicaid Services were used to provide 1-year events...
December 27, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27997894/zedoarondiol-inhibits-platelet-derived-growth-factor-induced-vascular-smooth-muscle-cells-proliferation-via-regulating-amp-activated-protein-kinase-signaling-pathway
#5
Huimin Mao, Tianqi Tao, Dandan Song, Mi Liu, Xiaoren Wang, Xiuhua Liu, Dazhuo Shi
BACKGROUND/AIMS: Vascular smooth muscle cells (VSMCs) proliferation contributes significantly to atherosclerosis and in-stent restenosis. Platelet-derived growth factor-BB (PDGF-BB) plays a vital role in VSMCs proliferation. Zedoarondiol, a sesquiterpene lactone compound, has an anti-inflammatory activity. However, the role of zedoarondiol in PDGF-BB-mediated VSMCs proliferation remains unclear. In this study, we investigated the effects of zedoarondiol on PDGF-BB-induced VSMCs proliferation and explored the possible mechanisms...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27970178/tct-78-incidence-and-outcomes-of-vascular-complications-and-bleeding-events-in-patients-undergoing-tavr-in-contemporary-u-s-practice-insights-from-the-sts-acc-tvt-registry%C3%A2
#6
Matthew Sherwood, Qun Xiang, Roland Matsouaka, G Chad Hughes, Sreekanth Vemulapalli, Amit Vora, Eric Peterson, Sunil Rao
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27965568/regularized-linear-discriminant-analysis-of-eeg-features-in-dementia-patients
#7
Emanuel Neto, Felix Biessmann, Harald Aurlien, Helge Nordby, Tom Eichele
The present study explores if EEG spectral parameters can discriminate between healthy elderly controls (HC), Alzheimer's disease (AD) and vascular dementia (VaD) using. We considered EEG data recorded during normal clinical routine with 114 healthy controls (HC), 114 AD, and 114 VaD patients. The spectral features extracted from the EEG were the absolute delta power, decay from lower to higher frequencies, amplitude, center and dispersion of the alpha power and baseline power of the entire frequency spectrum...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27957799/outcome-and-prognostic-factors-in-high-risk-childhood-adrenocortical-carcinomas-a-report-from-the-european-cooperative-study-group-on-pediatric-rare-tumors-expert
#8
Giovanni Cecchetto, Alba Ganarin, Ewa Bien, Peter Vorwerk, Gianni Bisogno, Jan Godzinski, Patrizia Dall'Igna, Yves Reguerre, Dominik Schneider, Laurence Brugières, Pierre Leblond, Andrea Ferrari, Ines Brecht, Angela De Paoli, Daniel Orbach
OBJECTIVES: The aim of this retrospective international analysis was to evaluate the role of risk factors in pediatric patients with adrenocortical carcinoma (ACC) observed in European countries (2000-2013) in an attempt to identify factors associated with poor prognosis. PROCEDURES: Data were retrieved from databases of Germany, France, Poland, and Italy, which form the European Cooperative Study Group on Pediatric Rare Tumors (EXPeRT). Patients were less than 18 years old, with at least one of the following tumor-related risk factors: metastases, volume more than 200 cm(3) , Cushing syndrome, vascular or regional lymph node invasion, initial biopsy, or incomplete excision...
December 13, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27902859/evaluation-of-velocity-sensitized-and-acceleration-sensitized-nce-mra-for-below-knee-peripheral-arterial-disease
#9
Nadeem Shaida, Andrew N Priest, T C See, Andrew P Winterbottom, Martin J Graves, David J Lomas
PURPOSE: To evaluate the diagnostic performance of velocity- and acceleration-sensitized noncontrast-enhanced magnetic resonance angiography (NCE-MRA) of the infrageniculate arteries using contrast-enhanced MRA (CE-MRA) as a reference standard. MATERIALS AND METHODS: Twenty-four patients with symptoms of peripheral arterial disease were recruited. Each patient's infrageniculate arterial tree was examined using a velocity-dependent flow-sensitized dephasing (VEL-FSD) technique, an acceleration-dependent (ACC-FSD) technique, and our conventional CE-MRA technique performed at 1...
November 30, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27865187/final-shape-of-biovascular-scaffolds-and-clinical-outcome-results-from-a-multicenter-all-comers-study-with-intravascular-imaging
#10
Bernardo Cortese, Davide Piraino, Roberto A Latini, Dennis Zavalloni, Alfonso Ielasi, Piefrancesco Agostoni, Pietro Mazzarotto, Maurizio Tespili, Romano Seregni
AIMS: Radial strength of bioresorbable vascular scaffolds (BVS) implanted in coronary arteries is still under debate. Moreover, their final shape patterns, when implanted in an all-comer, unselected population, have not yet been completely correlated with clinical outcome and should be better investigated. METHODS AND RESULTS: A multicenter collaborative analysis was performed on all consecutive patients with native coronary artery disease undergoing PCI with intravascular imaging-guided BVS implantation...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27860277/comparison-of-transradial-and-transfemoral-access-in-patients-undergoing-percutaneous-coronary-intervention-for-complex-coronary-lesions
#11
Edward Koifman, Michael A Gaglia, Ricardo O Escarcega, Nelson L Bernardo, Robert A Lager, Robert A Gallino, Itsik Ben-Dor, Augusto D Pichard, Nevin C Baker, Michael J Lipinski, Sarkis Kiramijyan, Smita I Negi, Rebecca Torguson, Jiaxiang Gai, William O Suddath, Lowell F Satler, Ron Waksman
OBJECTIVE: Comparison of transradial versus transfemoral access for complex percutaneous coronary intervention (PCI) with regard to both complications and long-term outcomes. BACKGROUND: Radial access has been shown to confer superior results in patients undergoing PCI, especially in patients with acute coronary syndromes. However, radial access has limitations of sheath and device size, which may increase procedure time and result in inferior outcomes. METHODS: Patients undergoing PCI for complex lesions, defined as type C according the ACC/AHA classification system, were included in this study...
November 10, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27821319/a-phase-ii-study-of-sorafenib-in-recurrent-and-or-metastatic-salivary-gland-carcinomas-translational-analyses-and-clinical-impact
#12
L D Locati, F Perrone, B Cortelazzi, C Bergamini, P Bossi, E Civelli, C Morosi, S Lo Vullo, M Imbimbo, P Quattrone, G P Dagrada, R Granata, C Resteghini, A Mirabile, S Alfieri, E Orlandi, L Mariani, G Saibene, S Pilotti, L Licitra
BACKGROUND: Pre-clinical and clinical evidence suggests a rationale for the use of anti-angiogenic agents, including sorafenib, in recurrent and/or metastatic salivary gland carcinomas (RMSGCs). This study evaluates the activity of sorafenib in patients with RMSGCs and also investigates whether the activity of sorafenib could be related to its main tailored targets (i.e. BRAF, vascular endothelial growth factor receptor 2 [VEGFR2], platelet-derived growth factor receptor α [PDGFRα] and β, RET, KIT)...
November 4, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27764813/targeting-heterogeneity-of-adrenocortical-carcinoma-evaluation-and-extension-of-preclinical-tumor-models-to-improve-clinical-translation
#13
Constanze Hantel, Igor Shapiro, Giada Poli, Costanza Chiapponi, Martin Bidlingmaier, Martin Reincke, Michaela Luconi, Sara Jung, Felix Beuschlein
In recent years it has been recognized that clinical translation of novel therapeutic strategies for patients with adrenocortical carcinoma (ACC) often fails. These disappointing results indicate that the currently utilized tumor models only poorly reflect relevant pathophysiology and, thereby, do not predict clinical applicability of novel pharmacological approaches. However, also the development of new preclinical ACC models has remained a challenge with only one human cell line (NCI-H295R) and one recently established human pediatric xenograft model (SJ-ACC3) being available for this highly heterogeneous malignancy...
October 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27681577/update-on-hypertrophic-cardiomyopathy-and-a-guide-to-the-guidelines
#14
REVIEW
Srijita Sen-Chowdhry, Daniel Jacoby, James C Moon, William J McKenna
Hypertrophic cardiomyopathy (HCM) is the most common inherited cardiovascular disorder, affecting 1 in 500 individuals worldwide. Existing epidemiological studies might have underestimated the prevalence of HCM, however, owing to limited inclusion of individuals with early, incomplete phenotypic expression. Clinical manifestations of HCM include diastolic dysfunction, left ventricular outflow tract obstruction, ischaemia, atrial fibrillation, abnormal vascular responses and, in 5% of patients, progression to a 'burnt-out' phase characterized by systolic impairment...
November 2016: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27649957/differential-expression-of-epithelial-cell-adhesion-molecule-in-salivary-gland-neoplasms
#15
Ekarat Phattarataratip, Marisa Masorn, Werapong Jarupoonphol, Sirinpaporn Supatthanayut, Pichanee Saeoweiang
Epithelial cell adhesion molecule (EpCAM) is the epithelial-specific molecule expressed on various epithelial cell types. The function of EpCAM involves cellular adhesion, proliferation, and signaling in both normal tissues and cancers. The purposes of this study were to investigate the EpCAM expression in salivary gland neoplasms and examine its relationship with pathologic characteristics. Forty-two cases of salivary gland neoplasms, including 20 mucoepidermoid carcinomas (MECs), 11 adenoid cystic carcinomas (ACCs), 9 pleomorphic adenomas (PAs), and 2 polymorphous low-grade adenocarcinomas (PLGAs) were enrolled...
October 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27621741/two-novel-flavin-containing-monooxygenases-involved-in-biosynthesis-of-aliphatic-glucosinolates
#16
Wenwen Kong, Jing Li, Qingyue Yu, Wei Cang, Rui Xu, Yang Wang, Wei Ji
Glucosinolates, a class of secondary metabolites from cruciferous plants, are derived from amino acids and have diverse biological activities, such as in biotic defense, depending on their side chain modification. The first structural modification step in the synthesis of aliphatic (methionine-derived) glucosinolates-S-oxygenation of methylthioalkyl glucosinolates to methylsulfinylalkyl glucosinolates-was found to be catalyzed by five flavin-containing monooxygenases (FMOs), FMOGS-OX1-5. Here, we report two additional FMOGS-OX enzymes, FMOGS-OX6, and FMOGS-OX7, encoded by At1g12130 and At1g12160, respectively...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27611801/a-novel-malate-dehydrogenase-2-inhibitor-suppresses-hypoxia-inducible-factor-1-by-regulating-mitochondrial-respiration
#17
Hyun Seung Ban, Xuezhen Xu, Kusik Jang, Inhyub Kim, Bo-Kyung Kim, Kyeong Lee, Misun Won
We previously reported that hypoxia-inducible factor (HIF)-1 inhibitor LW6, an aryloxyacetylamino benzoic acid derivative, inhibits malate dehydrogenase 2 (MDH2) activity during the mitochondrial tricarboxylic acid (TCA) cycle. In this study, we present a novel MDH2 inhibitor compound 7 containing benzohydrazide moiety, which was identified through structure-based virtual screening of chemical library. Similar to LW6, compound 7 inhibited MDH2 activity in a competitive fashion, thereby reducing NADH level. Consequently, compound 7 reduced oxygen consumption and ATP production during the mitochondrial respiration cycle, resulting in increased intracellular oxygen concentration...
2016: PloS One
https://www.readbyqxmd.com/read/27608856/the-korean-herbal-medicine-do-in-seung-gi-tang-attenuates-atherosclerosis-via-ampk-in-high-fat-diet-induced-apoe-mice
#18
Sun Haeng Park, Yoon-Young Sung, Seol Jang, Kyoung Jin Nho, Go Ya Choi, Ho Kyoung Kim
BACKGROUND: Do In Seung Gi-Tang (DISGT) is an herbal mixture of traditional Korean medicine that is composed of Rheum undulatum Linne, Prunus Persica (L.) Batsch, Conyza canadensis L., Cinnamomum Cassia Presl, and Glycytthiza uralensis Fischer (8: 6: 4: 4: 4 ratio). We investigated the effect of DISGT on vascular inflammation and lipid accumulation in apolipoprotein E-deficient (ApoE(-/-)) mice. METHODS: ApoE(-/-) mice that were fed a high-fat diet (HFD) were treated with DISGT (300 mg/kg/day) or statin (10 mg/kg/day) for 16 weeks...
September 8, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27533043/silibinin-inhibits-hypoxia-induced-hif-1%C3%AE-mediated-signaling-angiogenesis-and-lipogenesis-in-prostate-cancer-cells-in-vitro-evidence-and-in-vivo-functional-imaging-and-metabolomics
#19
Gagan Deep, Rahul Kumar, Dhanya K Nambiar, Anil K Jain, Anand M Ramteke, Natalie J Serkova, Chapla Agarwal, Rajesh Agarwal
Hypoxia is associated with aggressive phenotype and poor prognosis in prostate cancer (PCa) patients suggesting that PCa growth and progression could be controlled via targeting hypoxia-induced signaling and biological effects. Here, we analyzed silibinin (a natural flavonoid) efficacy to target cell growth, angiogenesis and metabolic changes in human PCa, LNCaP and 22Rv1 cells under hypoxic condition. Silibinin treatment inhibited the proliferation, clonogenicity and endothelial cells tube formation by hypoxic (1% O2 ) PCa cells...
August 17, 2016: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/27503278/-aplasia-cutis-congenita-update-and-management
#20
A Belkhou, C François, Y Bennis, V Duquennoy-Martinot, P Guerreschi
Congenital skin aplasia, or aplasia cutis congenita (ACC) is a rare congenital disease. It is characterized by the absence of skin at birth, localized or widespread, of one or several areas. This condition commonly involve the scalp but can also involve more rarely the trunk or limbs. However it is most frequently an isolated disorder, it can be associated with other anomalies, such as the Adams-Oliver syndrome, the association with a fetus papyraceus or with an epidermolysis bullosa. Many hypothesis have been suggested: vascular, genetic, traumatic, pharmacological or an anomaly in the neural tube closure process, but the exact mechanism is still unknown...
October 2016: Annales de Chirurgie Plastique et Esthétique
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