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https://www.readbyqxmd.com/read/29169117/3d-correction-over-2years-with-anterior-vertebral-body-growth-modulation-a-finite-element-analysis-of-screw-positioning-cable-tensioning-and-postoperative-functional-activities
#1
Nikita Cobetto, Stefan Parent, Carl-Eric Aubin
BACKGROUND: Anterior vertebral body growth modulation is a fusionless instrumentation to correct scoliosis using growth modulation. The objective was to biomechanically assess effects of cable tensioning, screw positioning and post-operative position on tridimensional correction. METHODS: The design of experiments included two variables: cable tensioning (150/200N) and screw positioning (lateral/anterior/triangulated), computationally tested on 10 scoliotic cases using a personalized finite element model to simulate spinal instrumentation, and 2years growth modulation with the device...
November 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29169039/heteromultivalent-targeting-of-integrin-%C3%AE-v%C3%AE-3-and-neuropilin-1-promotes-cell-survival-via-the-activation-of-the-igf-1-insulin-receptors
#2
Tao Jia, Jungyoon Choi, Jéremy Ciccione, Maxime Henry, Ahmad Mehdi, Jean Martinez, Béatrice Eymin, Gilles Subra, Jean-Luc Coll
Angiogenesis strongly depends on the activation of integrins, especially integrin αvβ3, and of neuropilin-1 (NRP-1), a co-receptor of VEGFR2. Dual-targeted molecules that simultaneously block both of them are expected have increased anti-angiogenic and antitumor activity. Toward this goal, we generated bifunctional 40 nm-sized silica nanoparticles (NPs) coated with controlled amounts of cRGD and ATWLPPR peptides and studied their affinity, selectivity and biological activity in HUVECs. Sub-nanomolar concentrations of NPs grafted either with ATWLPPR alone or in combination with cRGD exhibit potent and specific antagonist activity against VEGFR2/AKT signaling...
October 29, 2017: Biomaterials
https://www.readbyqxmd.com/read/29168921/bauhinia-forficata-in-the-treatment-of-diabetes-mellitus-a-patent-review
#3
Bárbara Verônica Cardoso de Souza, Regilda Saraiva Dos Reis Moreira Araújo, Oskar Almeida Silva, Lucas Costa Faustino, Maria Fabrícia Beserra Gonçalves, Mirian Lima Dos Santos, Grasielly Rocha Souza, Lindalva Moura Rocha, Mônica Larissa Sousa Cardoso, Lívio César Cunha Nunes
Diabetes Mellitus has been considered an epidemic by the World Health Organization, with a high risk of morbidity and mortality. The treatment of this pathology consists in glycemic control, which can be done by oral hypoglycemic agents, insulin therapy, dietary guidance, regular physical activity, and psychosocial support. In addition, other adjuvant treatments are employed, such as phytotherapic, and one of the most used plants is Bauhinia forficata. Areas covered: in the current review, patents using Bauhinia forficata for the Diabetes Mellitus treatment have been analyzed...
November 23, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/29168917/in-vivo-mr-imaging-of-glioma-recruitment-of-adoptive-t-cells-labeled-with-nagdf4-tat-nanoprobes
#4
Hua Zhang, Yue Wu, Jing Wang, Zhongmin Tang, Yan Ren, Dalong Ni, Hongbo Gao, Ruixue Song, Teng Jin, Qiao Li, Wenbo Bu, Zhenwei Yao
Adoptive T lymphocyte immunotherapy is one of the most promising methods to treat residual lesions after glioma surgery. However, the fate of the adoptively transferred T-cells in vivo is unclear, hampering the understanding of this emerging therapy. Thus, it is highly desirable to develop noninvasive and quantitative in vivo tracking of these T-cells to glioma for better identification of the migratory fate and to provide objective evaluation of outcomes of adoptive T-cell immunotherapy targeting glioma. In this work, ultrasmall T1 MR-based nanoprobes, NaGdF4 -TAT, as molecular probes with high longitudinal relaxivity (8...
November 23, 2017: Small
https://www.readbyqxmd.com/read/29168759/experimental-investigation-on-the-detection-of-multiple-surface-cracks-using-vibrothermography-with-a-low-power-piezoceramic-actuator
#5
Changhang Xu, Jing Xie, Wuyang Zhang, Qingzhao Kong, Guoming Chen, Gangbing Song
Vibrothermography often employs a high-power actuator to generate heat on a specimen to reveal damage, however, the high-power actuator brings inconvenience to the application and possibly introduces additional damage to the inspected objects. This study uses a low-power piezoceramic transducer as the actuator of vibrothermography and explores its ability to detect multiple surface cracks in a metal part. Experiments were conducted on a thin aluminum beam with three cracks in different orientations. Detailed analyses of both thermograms and temperature data are presented to validate the proposed vibrothermography method...
November 23, 2017: Sensors
https://www.readbyqxmd.com/read/29168636/a-synthetic-isoprenoid-lipoquinone-menaquinone-2-adopts-a-folded-conformation-in-solution-and-at-a-model-membrane-interface
#6
Jordan T Koehn, Estela S Magallanes, Benjamin J Peters, Cheryle N Beuning, Allison A Haase, Michelle J Zhu, Christopher D Rithner, Dean C Crick, Debbie C Crans
Menaquinones (naphthoquinones, MK) are isoprenoids that play key roles in the respiratory electron transport system of some prokaryotes by shuttling electrons between membrane-bound protein complexes acting as electron acceptors and donors. Menaquinone-2 (MK-2), a truncated MK, was synthesized and the studies presented herein characterize the conformational and chemical properties of the hydrophobic MK-2 molecule. Using 2D NMR spectroscopy, we established for the first time that MK-2 has a folded conformation defined by the isoprenyl side-chain folding back over the napthoquinone in a U-shape, which depends on the specific environmental conditions found in different solvents...
November 23, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29168605/what-psychologists-need-to-know-about-psychotropic-medications
#7
Elena Tomba, Jenny Guidi, Giovanni A Fava
Despite the fact that today most of the patients with psychological disturbances assume some form of psychotropic drug treatment, clinical psychologists may have little familiarity with psychopharmacology and are substantially unaware of subtle and yet pervasive potential effects of medications in clinical presentations. In their training, psychologists are generally exposed, at best, to some general principles of drug action. Standard psychopharmacology textbooks tend to omit the subtle psychological changes that may occur during psychotropic drug treatment...
November 23, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/29168543/lipid-lowering-therapy-with-pcsk9-inhibitors-in-the-management-of-cardiovascular-high-risk-patients-effectiveness-therapy-adherence-and-safety-in-a-real-world-cohort
#8
Michael Saborowski, Michael Dölle, Michael P Manns, Holger Leitolf, Steffen Zender
BACKGROUND: PCSK9-inhibitors have shown great potential in efficient lipid lowering to achieve low-density lipoprotein-cholesterol (LDL-C) treatment goals. The aim of the study was too describe the clinical use of PCSK9-inhibitors and to investigate therapy adherence and safety outside of clinical trials. METHODS: 38 patients were treated with PSCK9-inhibitors. Patients were eligible for this therapy based on their individual cardiovascular risk and when all other available lipid-lowering regimen had failed...
November 23, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29168517/crossed-beam-polyatomic-reaction-dynamics-recent-advances-and-new-insights
#9
REVIEW
Huilin Pan, Kopin Liu, Adriana Caracciolo, Piergiorgio Casavecchia
Over the past ten years or so, great advances in our understanding of the dynamics of elementary (bimolecular) polyatomic reactions in the gas-phase have occurred. This has been made possible by critical improvements (a) in crossed molecular beam (CMB) instruments with rotating mass spectrometric detection and time-of-flight analysis, especially following the implementation of soft ionization (by tunable low energy electrons or vacuum-ultraviolet synchrotron radiation) for product detection with increased sensitivity and universal detection power, and (b) in REMPI-slice velocity map ion imaging (VMI) detection techniques in pulsed CMB experiments for obtaining product pair-correlated information through high-resolution measurements directly in the center of mass system...
November 23, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/29168352/patient-satisfaction-with-information-on-oral-anticancer-agent-use
#10
Christel C L M Boons, Lonneke Timmers, Natasja M van Schoor, Eleonora L Swart, N Harry Hendrikse, Jeroen J W M Janssen, Jacqueline G Hugtenburg
Adequate information on oral anticancer agent (OACA) use is an essential element of optimal cancer care. The present study aimed to get insight into the experiences of patients with information on OACA treatment and their characteristics regarding information dissatisfaction. Patients of four Dutch university hospitals using OACA participated in this observational study and completed the Satisfaction with Information about Medicines Scale (SIMS), EORTC Quality of Life Questionnaire-C30, Brief Illness Perception Questionnaire, and Beliefs about Medicines Questionnaire-Specific...
November 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29168225/gaba-modulating-phytomedicines-for-anxiety-a-systematic-review-of-preclinical-and-clinical-evidence
#11
REVIEW
Karen Savage, Joseph Firth, Con Stough, Jerome Sarris
Anxiety disorders are chronic and functionally disabling conditions with high psychological stress, characterised by cognitive symptoms of excessive worry and focus difficulties and physiological symptoms such as muscle tension and insomnia. Gamma-aminobutyric acid (GABA) is an inhibitory neurotransmitter within the central nervous system and is a key target of pharmacotherapies in the treatment of anxiety. Although current pharmaceutical treatments are often efficacious, they may cause undesirable side effects including cognitive decrements and withdrawal symptoms...
November 23, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29168112/treatment-patterns-and-outcomes-in-patients-with-kras-wild-type-metastatic-colorectal-cancer-treated-in-first-line-with-bevacizumab-or-cetuximab-containing-regimens
#12
Arthur C Houts, Sarika Ogale, Nicolas Sommer, Sacha Satram-Hoang, Mark S Walker
PURPOSE: Patients with Kirsten rat sarcoma viral oncogene wild-type (KRAS WT) metastatic colorectal cancer (mCRC) treated in first line with bevacizumab (B) or cetuximab (C) plus standard chemo backbones had comparable outcomes in phase III Cancer and Leukemia Group B (CALGB) 80405. We examined comparative effectiveness of B and C regimens in real-world community settings. METHODS: This retrospective study examined progression-free survival (PFS) and OS in a US community sample of KRAS WT mCRC patients treated with first-line B (n = 254) or C (n = 146) regimens...
November 22, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29168036/the-gut-microbiome-symptoms-and-targeted-interventions-in-children-with-cancer-a-systematic-review
#13
REVIEW
Jinbing Bai, Madhusmita Behera, Deborah Watkins Bruner
PURPOSE: The gut microbiome plays a critical role in maintaining children's health and in preventing and treating children's disease. Current application of the gut microbiome in childhood cancer is still lacking. This study aimed to systematically review the following: (1) alternations in the gut microbiome throughout cancer treatment trajectories in children, (2) the associations between the gut microbiome and gastrointestinal (GI) symptoms and psychoneurological symptoms (PNS), and (3) the efficacy of therapeutic interventions in the gut microbiome in children with cancer...
November 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29168011/pediatric-prolactinoma-initial-presentation-treatment-and-long-term-prognosis
#14
Anika Hoffmann, Sarah Adelmann, Kristin Lohle, Alexander Claviez, Hermann L Müller
Prolactinoma is a rare pituitary adenoma secreting prolactin. Studies on diagnostics, treatment, and prognosis in pediatric prolactinoma patients are rare. We analyzed clinical presentation, response to treatment, and prognosis of 27 pediatric prolactinoma patients (10 m/17 f. based on patients' records. Tumors included 6 microadenomas (tumor volume: median 0.2 cm(3), range 0.01-0.4 cm(3); serum prolactin at diagnosis: median 101 ng/ml, range 33-177 ng/ml), 15 macroadenomas (volume: median 3.3 cm(3), range 0...
November 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29167995/ultrasound-guided-placement-of-ventricular-catheters-in-first-time-pediatric-vp-shunt-surgery
#15
Marcel Kullmann, Marina Khachatryan, Martin Ulrich Schuhmann
PURPOSE: Ventriculo-peritoneal (VP) shunts are effective for treatment of hydrocephalus in all age groups; however, they are associated with complications, a common one being ventricular catheter (VC) obstruction. VC position is likely to influence VC survival; however, most VCs are positioned freehand without guidance. This paper describes the accuracy of ultrasound guidance for VC placement and the impact of tip location on VC occlusion rate. METHODS: This is a retrospective cohort study of hydrocephalic children with first-time VP shunt and ultrasound-guided VC placement...
November 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29167951/radioembolization-versus-bland-embolization-for-hepatic-metastases-from-small-intestinal-neuroendocrine-tumors-short-term-results-of-a-randomized-clinical-trial
#16
Anna-Karin Elf, Mats Andersson, Olof Henrikson, Oscar Jalnefjord, Maria Ljungberg, Johanna Svensson, Bo Wängberg, Viktor Johanson
BACKGROUND: Radioembolization (RE) with intra-arterial administration of (90)Y microspheres is a promising technique for the treatment of liver metastases from small intestinal neuroendocrine tumors (SI-NET) not amenable to surgery or local ablation. However, studies comparing RE to other loco-regional therapies are lacking. The aim of this randomized study was to compare the therapeutic response and safety after RE and bland hepatic arterial embolization (HAE), and to investigate early therapy-induced changes with diffusion-weighted MRI (DWI-MRI)...
November 22, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29167892/association-of-prognostic-value-of-primary-tumor-location-in-stage-iii-colon-cancer-with-ras-and-braf-mutational-status
#17
Julien Taieb, Hampig Raphael Kourie, Jean-François Emile, Karine Le Malicot, Ralyath Balogoun, Josep Tabernero, Enrico Mini, Gunnar Folprecht, Jean-Luc Van Laethem, Claire Mulot, Olivier Bouché, Thomas Aparicio, Pierre Michel, Josef Thaler, John Bridgewater, Eric Van Cutsem, Géraldine Perkins, Come Lepage, Ramon Salazar, Pierre Laurent-Puig
Importance: We know of no data on the prognostic value of primary tumor location (PTL) according to BRAF, RAS, and microsatellite instability (MSI) status in patients who have undergone resection for colon cancer (CC) and have been treated with current standard adjuvant chemotherapy. Objective: To determine the prognostic and predictive value of PTL according to BRAF, RAS, and MSI status in patients with stage III CC receiving adjuvant treatment with FOLFOX (folinic acid [leucovorin calcium], fluorouracil, and oxaliplatin) with or without cetuximab...
November 22, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29167754/a-mass-that-has-no-ebus-echo
#18
Matthew K Rosenblum, Sue X Wang, Eric J Seeley
We report findings for a patient that underwent endobronchial ultrasound (EBUS) guided transbronchial needle aspiration (TBNA) for diagnostic purposes after an abnormal chest CT. The patient initially presented with cough and shortness of breath. Chest CT revealed a 6 cm soft tissue mass with mildly enlarged right hilar lymph nodes (LNs) and a small right sided pleural effusion. Based on these radiologic findings, the patient underwent an EBUS guided FNA of the mass. To our surprise, the mass was hypoechoic by EBUS and on aspiration, the syringe filled with yellow fluid...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29167711/the-effect-of-pre-cure-bracket-movement-on-shear-bond-strength-during-placement-of-orthodontic-brackets-an-in-vitro-study
#19
Byron Tam, Prashanti Bollu, Kishore Chaudhry, Karthikeyan Subramani
Background: The purpose of this study was to determine the influence of linear and rotational pre-cure bracket displacement during the bonding procedure on shear bond strength (SBS) of orthodontic brackets. Material and Methods: Stainless steel orthodontic premolar brackets were bonded to the buccal surfaces of 50 human pre-molars with a conventional two-step bonding protocol. Extracted human pre-molars were divided into 5 groups (n=10/group). In the Control Group, the brackets were bonded with no pre-cure bracket displacement or rotation...
October 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29167674/a-new-immunosuppressive-molecule-emodin-induces-both-cd4-foxp3-and-cd8-cd122-regulatory-t-cells-and-suppresses-murine-allograft-rejection
#20
Feifei Qiu, Huazhen Liu, Chun-Ling Liang, Golay D Nie, Zhenhua Dai
Due to vigorous alloimmunity, an allograft is usually rejected without any conventional immunosuppressive treatment. However, continuous global immunosuppression may cause severe side effects, including tumors and infections. Mounting evidence has shown that cyclosporine (CsA), a common immunosuppressant used in clinic, impedes allograft tolerance by dampening regulatory T cells (Tregs), although it inhibits allograft rejection at the same time. Therefore, it is necessary to seek an alternative immunosuppressive drug that spares Tregs with high efficiency in suppression but low toxicity...
2017: Frontiers in Immunology
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