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https://www.readbyqxmd.com/read/28342898/temperature-induces-significant-changes-in-both-glycolytic-reserve-and-mitochondrial-spare-respiratory-capacity-in-colorectal-cancer-cell-lines
#1
Mihail I Mitov, Jennifer W Harris, Michael C Alstott, Yekaterina Y Zaytseva, B Mark Evers, D Allan Butterfield
Thermotherapy, as a method of treating cancer, has recently attracted considerable attention from basic and clinical investigators. A number of studies and clinical trials have shown that thermotherapy can be successfully used as a therapeutic approach for various cancers. However, the effects of temperature on cancer bioenergetics have not been studied in detail with a real time, in a microplate, label-free detection approach. This study investigate how changes in temperature affect the bioenergetics characteristics (mitochondrial function and glycolysis) of three colorectal cancer (CRC) cell lines utilizing the Seahorse XF96 technology...
March 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28342771/the-area-postrema-ap-and-the-parabrachial-nucleus-pbn-are-important-sites-for-salmon-calcitonin-sct-to-decrease-evoked-phasic-dopamine-release-in-the-nucleus-accumbens-nac
#2
Lynda Whiting, James E McCutcheon, Christina N Neuner-Boyle, Mitchell F Roitman, Thomas A Lutz
The pancreatic hormone amylin and its agonist salmon calcitonin (sCT) act via the area postrema (AP) and the lateral parabrachial nucleus (PBN) to reduce food intake. Investigations of amylin and sCT signaling in the ventral tegmental area (VTA) and nucleus accumbens (NAc) suggest that the eating inhibitory effect of amylin is, in part, mediated through the mesolimbic 'reward' pathway. Indeed, administration of the sCT directly to the VTA decreased phasic dopamine release (DA) in the NAc. However, it is not known if peripheral amylin modulates the mesolimbic system directly or whether this occurs via the AP and PBN...
March 22, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28341507/endovascular-aortic-repair-for-progressive-chronic-thoracoabdominal-aortic-dissections
#3
Vito Mantese, Shameem Kunhammed
BACKGROUND: Ascending and thoracic aortic dissections progress into thoracoabdominal aneurysms 20-40% of the time, due to the initial aortic injury with associated weakness of the aortic wall. The increased firmness of the intimal flap usually results in a collapsed true lumen that does not spontaneously re-expand even with progressive dilatation of the aorta. In an effort to identify a safe and effective treatment path for this complex disease process, we present 4 cases illustrating successful sequential thoracic endovascular aortic repair (TEVAR) and fenestrated endovascular aortic repair (FEVAR)...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28340378/current-fda-approved-treatments-for-non-small-cell-lung-cancer-and-potential-biomarkers-for-its-detection
#4
REVIEW
Karla A Ruiz-Ceja, Yolanda I Chirino
BACKGROUND: Lung cancer is the leading worldwide cancer with almost 1.5 million deaths every year. Some drugs for lung cancer treatment have been available on the market for decades, but novel drugs have emerged promising better outcomes, especially for Non-Small Cell Lung Cancer (NSCLC), which represents 75% of lung cancer cases. However, how much do drugs have evolved for NSCLC treatment? Are they sharing the same mechanism of action? AIM: In this review we analyzed how the approved drugs by Federal Drug Agency for NSCLC have advanced in the last four decades identifying shared mechanism of action of medicines against NSCLC treatment and some of the potential biomarkers for early detection...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28336800/the-ethics-of-big-data-as-a-public-good-which-public-whose-good
#5
Linnet Taylor
International development and humanitarian organizations are increasingly calling for digital data to be treated as a public good because of its value in supplementing scarce national statistics and informing interventions, including in emergencies. In response to this claim, a 'responsible data' movement has evolved to discuss guidelines and frameworks that will establish ethical principles for data sharing. However, this movement is not gaining traction with those who hold the highest-value data, particularly mobile network operators who are proving reluctant to make data collected in low- and middle-income countries accessible through intermediaries...
December 28, 2016: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28333103/the-genetic-code-and-rna-amino-acid-affinities
#6
REVIEW
Michael Yarus
A significant part of the genetic code likely originated via a chemical interaction, which should be experimentally verifiable. One possible verification relates bound amino acids (or perhaps their activated congeners) and ribonucleotide sequences within cognate RNA binding sites. To introduce this interaction, I first summarize how amino acids function as targets for RNA binding. Then the experimental method for selecting relevant RNA binding sites is characterized. The selection method's characteristics are related to the investigation of the RNA binding site model treated at the outset...
March 23, 2017: Life
https://www.readbyqxmd.com/read/28327079/patterns-of-practice-in-community-mental-health-treatment-of-adult-depression
#7
Cara C Lewis, C Nathan Marti, Brigid R Marriott, Kelli Scott, David Ayer
OBJECTIVE: Community mental health therapists often endorse an eclectic orientation, but few studies reveal how therapists utilize elements of evidence-based psychotherapies. This study aimed to characterize treatment as usual patterns of practice among therapists treating depressed adults in community mental health settings. METHOD: Therapists (N = 165) from the USA's largest not-for-profit provider of community-based mental health services completed surveys assessing their demographics and practice element use with depressed adult clients...
March 22, 2017: Psychotherapy Research: Journal of the Society for Psychotherapy Research
https://www.readbyqxmd.com/read/28326906/a-practical-guide-to-the-sublingual-immunotherapy-tablet-adverse-event-profile-implications-for-clinical-practice
#8
David I Bernstein, Jose A Bardelas, Bodil Svanholm Fogh, Amarjot Kaur, Ziliang Li, Hendrik Nolte
OBJECTIVES: Treatment with allergy immunotherapy improves allergic rhinoconjunctivitis, but can also improve comorbidities associated with allergic rhinitis such as asthma. Sublingual immunotherapy (SLIT)-tablets are a convenient and efficacious method of allergy immunotherapy. They are self-administered after the first tablet has been provided under medical supervision. Therapy may elicit local reactions or, rarely, systemic allergic reactions. The objective of this report is to inform healthcare practitioners about the safety and tolerability profile of SLIT-tablets and use this information to provide practical guidance that may inform patients regarding potential adverse reactions and how to manage them...
March 22, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28326451/application-of-endoscopic-third-ventriculostomy-for-treating-hydrocephalus-correlated-chiari-type-i-malformation-in-a-single-chinese-neurosurgery-centre
#9
Yiping Wu, Chuzhong Li, Xuyi Zong, Xinsheng Wang, Songbai Gui, Caiping Gu, Yazhuo Zhang
The correlation between hydrocephalus and Chiari type I malformation (CIM) has been debated since Chiari's first descriptions of CIM but some studies have shown that CIM and hydrocephalus (HCP) could cause symptoms/disease of each other or vice versa. Recent research has found that treatment focused on hydrocephalus with ventricle enlargement also provides alleviation of CIM and even of syringomyelia. However, the lack of consensus among previous studies left unanswered the question of how endoscopic third ventriculostomy (ETV) addresses CIM and why it fails...
March 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28324959/a-robotic-exoskeleton-to-treat-crouch-gait-from-cerebral-palsy-initial-kinematic-and-neuromuscular-evaluation
#10
Zachary F Lerner, Diane L Damiano, Thomas C Bulea
A robotic exoskeleton was designed for individuals with crouch gait caused by cerebral palsy with the intent to supplement existing muscle function during walking. The aim of this study was to evaluate how powered knee extension assistance provided during stance and swing phases of the gait cycle affect knee kinematics, and knee flexor and extensor muscle activity. Muscle activity and kinematic data were collected from four individuals with crouch gait from cerebral palsy during their normal walking condition and while walking with the exoskeleton under stance, swing, and stance & swing assistance...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324746/denosumab-in-advanced-unresectable-giant-cell-tumour-of-bone-gctb-for-how-long
#11
E Palmerini, N S Chawla, S Ferrari, M Sudan, P Picci, E Marchesi, M Piccinni Leopardi, I Syed, K K Sankhala, P Parthasarathy, W E Mendanha, M Pierini, A Paioli, S P Chawla
BACKGROUND: Giant-cell tumours of bone (GCTB) are RANK/RANK-ligand (RANKL) positive, aggressive and progressive osteolytic tumours. Denosumab, a RANKL inhibitor, was FDA-approved for adults and skeletally mature adolescents with unresectable GCTB or when surgical resection is likely to result in severe morbidity. Data on long-term toxicity and activity of denosumab monthly 'GCTB-schedule' (120 mg per 12/year, 1440 mg total dose/year) are lacking. METHODS: Patients with GCTB receiving denosumab, 120 mg on days 1, 8, 15, 29 and every 4 weeks thereafter, from 2006 to 2015 treated in two centres were included...
March 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28320773/identity-change-and-informed-consent
#12
Karsten Witt
In this paper, I focus on a kind of medical intervention that is at the same time fascinating and disturbing: identity-changing interventions. My guiding question is how such interventions can be ethically justified within the bounds of contemporary bioethical mainstream that places great weight on the patient's informed consent. The answer that is standardly given today is that patients should be informed about the identity effects, thus suggesting that changes in identity can be treated like 'normal' side effects...
March 20, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28318880/highly-conformal-craniospinal-radiotherapy-techniques-can-underdose-the-cranial-clinical-target-volume-if-leptomeningeal-extension-through-skull-base-exit-foramina-is-not-contoured
#13
D J Noble, T Ajithkumar, J Lambert, I Gleeson, M V Williams, S J Jefferies
AIMS: Craniospinal irradiation (CSI) remains a crucial treatment for patients with medulloblastoma. There is uncertainty about how to manage meningeal surfaces and cerebrospinal fluid (CSF) that follows cranial nerves exiting skull base foramina. The purpose of this study was to assess plan quality and dose coverage of posterior cranial fossa foramina with both photon and proton therapy. MATERIALS AND METHODS: We analysed the radiotherapy plans of seven patients treated with CSI for medulloblastoma and primitive neuro-ectodermal tumours and three with ependymoma (total n = 10)...
March 15, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28318700/effects-of-warming-and-nitrogen-deposition-on-ch4-co2-and-n2o-emissions-in-alpine-grassland-ecosystems-of-the-qinghai-tibetan-plateau
#14
Zhenzhen Zhao, Shikui Dong, Xiaoman Jiang, Shiliang Liu, Hanzhong Ji, Yu Li, Yuhui Han, Wei Sha
Increases in nitrogen (N) deposition along with climate warming can change the dynamics of carbon and nitrogen in the soil, and alter greenhouse gases (GHGs) fluxes. To examine how N deposition and warming affect GHGs (CH4, CO2 and N2O) fluxes in alpine grasslands, we conducted experiments in an alpine meadow (AM), alpine-steppe (AS), and alpine cultivated grassland (CG) on the Qinghai-Tibetan Plateau (QTP). We simulated N deposition by treating soil with ammonium nitrate (NH4NO3) (8kgNha(-1)year(-1)), a warming treatment using an open top chamber (OTC) was carried out, and a combined treatment of warming and N deposition (8kgNha(-1)year(-1)) was conducted...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28317794/how-should-i-treat-an-asymptomatic-aortic-coarctation-with-a-concomitant-dissection-of-the-descending-aorta
#15
Livia Luciana Gheorghe, Dabit Arzamendi, Chi Hion Li, Antonio J Barros-Membrilla, Jaime Felix Dilme Muñoz, Antonio Serra Peñaranda, Sherif Sultan, Mark S Spence, Anton Collins
No abstract text is available yet for this article.
March 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28317793/how-should-i-treat-a-tavi-eligible-patient-with-a-left-ventricular-thrombus-and-rapid-clinical-deterioration
#16
Spyridon Deftereos, Georgios Giannopoulos, Konstantinos Raisakis, Agathi-Rosa Vrettou, Fotios Kolokathis, Achilleas Zacharoulis, Dimitrios Angouras, Dimitrios Alexopoulos, John Lekakis, Holger Eggebrecht, Johannes Lämmer, Nestoras Papadopoulos, Jean-Philippe Collet
No abstract text is available yet for this article.
March 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28315125/evidence-of-non-linear-associations-between-frustration-related-prefrontal-cortex-activation-and-the-normal-abnormal-spectrum-of-irritability-in-young-children
#17
Adam S Grabell, Yanwei Li, Jeff W Barker, Lauren S Wakschlag, Theodore J Huppert, Susan B Perlman
Burgeoning interest in early childhood irritability has recently turned toward neuroimaging techniques to better understand normal versus abnormal irritability using dimensional methods. Current accounts largely assume a linear relationship between poor frustration management, an expression of irritability, and its underlying neural circuitry. However, the relationship between these constructs may not be linear (i.e., operate differently at varying points across the irritability spectrum), with implications for how early atypical irritability is identified and treated...
March 18, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28299925/in-vivo-fate-of-carbon-nanotubes-with-different-physicochemical-properties-for-gene-delivery-applications
#18
Anna Cifuentes-Rius, Nathan R B Boase, Ines Font, Nuria Coronas, Victor Ramos-Perez, Kristofer J Thurecht, Salvador Borrós
Gene therapy has arisen as a pioneering technique to treat diseases by direct employment of nucleic acids as medicine. The major historical problem is to develop efficient and safe systems for the delivery of therapeutic genes into the target cells. Carbon nanotubes (CNTs) have demonstrated considerable promise as delivery vectors due to their (i) high aspect ratio and (ii) capacity to translocate through plasma membranes, known as the nanoneedle effect. To leverage these advantages, close attention needs to be paid to the physicochemical characteristics of the CNTs used...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28299586/race-research-and-the-ethics-of-belief
#19
Jonathan Anomaly
On most accounts, beliefs are supposed to fit the world rather than change it. But believing can have social consequences, since the beliefs we form underwrite our actions and impact our character. Because our beliefs affect how we live our lives and how we treat other people, it is surprising how little attention is usually given to the moral status of believing apart from its epistemic justification. In what follows, I develop a version of the harm principle that applies to beliefs as well as actions. In doing so, I challenge the often exaggerated distinction between forming beliefs and acting on them...
March 15, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28296559/the-irony-of-highly-effective-bacterial-therapy-of-a-patient-derived-orthotopic-xenograft-pdox-model-of-ewing-s-sarcoma-which-was-blocked-by-ewing-himself-80%C3%A2-years-ago
#20
Takashi Murakami, Tasuku Kiyuna, Kei Kawaguchi, Kentaro Igarashi, Arun S Singh, Yukihiko Hiroshima, Yong Zhang, Ming Zhao, Kentaro Miyake, Scott D Nelson, Sarah M Dry, Yunfeng Li, Jonathan C DeLong, Thinzar M Lwin, Takashi Chishima, Kuniya Tanaka, Michael Bouvet, Itaru Endo, Fritz C Eilber, Robert M Hoffman
William B. Coley developed bacterial therapy of cancer more than 100 years ago and had clinical success. James Ewing, a very famous cancer pathologist for whom the Ewing sarcoma is named, was Coley's boss at Memorial Hospital in New York and terminated Coley's bacterial therapy of cancer. A tumor from a patient with soft-tissue Ewing's sarcoma, who failed doxorubicin (DOX) therapy, was previously implanted in nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. In the present study, the Ewing's sarcoma PDOX was treated with tumor-targeting S...
March 15, 2017: Cell Cycle
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