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https://www.readbyqxmd.com/read/28323697/generation-and-development-of-paravertebral-ossification-in-cervical-artificial-disk-replacement-a-detailed-analytic-report-using-coronal-reconstruction-ct
#1
Wei Tian, Xiao Han, Bo Liu, Da He, Yanwei Lv, James Yue
STUDY DESIGN: A retrospective follow-up study and review of images in published papers. OBJECTIVE: To determine whether true heterotopic ossification (HO) occurs in artificial disk replacement (ADR); to evaluate the incidence of paravertebral ossification (PO) and its influence on ADR. SUMMARY OF BACKGROUND DATA: HO is typically defined as the abnormal formation of true bone within extraskeletal soft tissues. However, HO in ADR does not fit this definition precisely, as it originates from vertebral body, making it hard to distinguish radiologically from preexisting osteophytes...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28317624/cap-assisted-colonoscopy-increases-detection-of-advanced-adenomas-and-polyps
#2
Mohamed O Othman, Daniel Zhang, Sherif Elhanafi, Mohamed Eloliby, Brian Davis, Richard Guererro, Luis Alvarado, Linda Sanchez, Alok Dwivedi, Marc J Zuckerman
BACKGROUND: Cap-assisted colonoscopy (CAC) has been reported to increase the adenoma detection rate (ADR) in Asian population. However, CAC trials in non-Asian population have had conflicting results. Studies in North America have shown an improvement in ADRs with the use of CAC, but it mainly included white and African American patients. Given the lack of prospective studies of CAC in Hispanics, we conducted this randomized controlled trial. MATERIALS AND METHODS: This is a randomized controlled trial comparing CAC with standard colonoscopy (SC) in patients undergoing screening or surveillance colonoscopy...
April 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28316027/validation-of-dopamine-receptor-drd1-and-drd2-antibodies-using-receptor-deficient-mice
#3
Tamara Stojanovic, Michaela Orlova, Fernando J Sialana, Harald Höger, Stanislav Stuchlik, Ivan Milenkovic, Jana Aradska, Gert Lubec
Dopamine receptors 1 and 2 (DRD1, DRD2) are essential for signaling in the brain for a multitude of brain functions. Previous work using several antibodies against these receptors is abundant but only the minority of antibodies used have been validated and, therefore, the results of these studies remain uncertain. Herein, antibodies against DRD1 (Merck Millipore AB1765P, Santa Cruz Biotechnology sc-14001, Sigma Aldrich D2944, Alomone Labs ADR-001) and DRD2 (Abcam ab21218, Merck Millipore AB5084P, Santa Cruz Biotechnology sc-5303) have been tested using western blotting and immunohistochemistry on mouse striatum (wild type and corresponding knock-out mice) and when specific, they were further evaluated on rat and human striatum...
March 18, 2017: Amino Acids
https://www.readbyqxmd.com/read/28315866/cerebrospinal-fluid-and-parenchymal-brain-development-and-growth-in-the-healthy-fetus
#4
Nickie N Andescavage, Adre DuPlessis, Robert McCarter, Gilbert Vezina, Richard Robertson, Catherine Limperopoulos
OBJECTIVE: The objective of this study was to apply quantitative magnetic resonance imaging to characterize absolute cerebrospinal fluid (CSF) development, as well as its relative development to fetal brain parenchyma in the healthy human fetus. DESIGN: We created three-dimensional high-resolution reconstructions of the developing brain for healthy fetuses between 18 and 40 weeks' gestation, segmented the parenchymal and CSF spaces, and calculated the volumes for the lateral, third, and fourth ventricles; extra-axial CSF space; and the cerebrum, cerebellum, and brainstem...
March 18, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28315856/an-update-on-hla-alleles-associated-with-adverse-drug-reactions
#5
Ingrid Fricke-Galindo, Adrián LLerena, Marisol López-López
Adverse drug reactions (ADRs) are considered as an important cause of morbidity and mortality. The hypersensitivity reactions are immune-mediated ADRs, which are dose-independent, unpredictable and have been associated with several HLA alleles. The present review aimed to describe HLA alleles that have been associated with different ADRs in populations worldwide, the recommendations of regulatory agencies and pharmacoeconomic information and databases for the study of HLA alleles in pharmacogenetics. A systematic search was performed in June 2016 of articles relevant to this issue in indexed journals and in scientific databases (PubMed and PharmGKB)...
March 18, 2017: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/28303164/adverse-drug-reactions-triggered-by-the-common-hla-b-57-01-variant-a-molecular-docking-study
#6
George Van Den Driessche, Denis Fourches
BACKGROUND: Human leukocyte antigen (HLA) surface proteins are directly involved in idiosyncratic adverse drug reactions. Herein, we present a structure-based analysis of the common HLA-B*57:01 variant known to be responsible for several HLA-linked adverse effects such as the abacavir hypersensitivity syndrome. METHODS: First, we analyzed three X-ray crystal structures involving the HLA-B*57:01 protein variant, the anti-HIV drug abacavir, and different co-binding peptides present in the antigen-binding cleft...
2017: Journal of Cheminformatics
https://www.readbyqxmd.com/read/28302581/targeting-ets1-with-rnai-based-supramolecular-nanoassemblies-for-multidrug-resistant-breast-cancer-therapy
#7
Min Wu, Xingang Liu, Weihong Jin, Yongbing Li, Yang Li, Qinglian Hu, Paul K Chu, Guping Tang, Yuan Ping
Overexpression of erythroblastosis virus E26 oncogene homolog 1 (ETS1) gene is correlated with both tumor progression and poor response to chemotherapy in cancer treatment, and the exploitation of RNA interference (RNAi) technology to downregulate ETS1 seems to be a promising approach to reverse multidrug-resistant cancer cells to chemotherapy. Hence, the RNAi-based nanomedicine which is able to simultaneously downregulate ETS1 expression and to deliver chemotherapeutic agents may improve multidrug-resistant cancer therapy synergistically...
March 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28299402/comparative-analysis-of-three-drug-drug-interaction-screening-systems-against-probable-clinically-relevant-drug-drug-interactions-a-prospective-cohort-study
#8
Neža Muhič, Ales Mrhar, Miran Brvar
PURPOSE: Drug-drug interaction (DDI) screening systems report potential DDIs. This study aimed to find the prevalence of probable DDI-related adverse drug reactions (ADRs) and compare the clinical usefulness of different DDI screening systems to prevent or warn against these ADRs. METHODS: A prospective cohort study was conducted in patients urgently admitted to medical departments. Potential DDIs were checked using Complete Drug Interaction®, Lexicomp® Online™, and Drug Interaction Checker®...
March 15, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28299396/no-correlation-between-mthfr-c-677-c%C3%A2-%C3%A2-t-mthfr-c-1298-a%C3%A2-%C3%A2-c-and-abcb1-c-3435-c%C3%A2-%C3%A2-t-polymorphisms-and-methotrexate-therapeutic-outcome-of-rheumatoid-arthritis-in-west-algerian-population
#9
Wefa Boughrara, Ahmed Benzaoui, Meriem Aberkane, Fatima Zohra Moghtit, Samia Dorgham, Aicha Sarah Lardjam-Hetraf, Hadjer Ouhaibi-Djellouli, Elisabeth Petit Teixeira, Abdallah Boudjema
CONTEXT: The c.677 C > T and c.1298 A > C polymorphisms of methylenetatrahydrofolate reductase (MTHFR) gene and c.3435 C > T polymorphism of ATP-Binding cassette B1 (ABCB1) gene are reported as pharmacogenetic markers, influencing the methotrexate (MTX) therapeutic outcome in rheumatoid arthritis (RA) patients. OBJECTIVES: The aims of this study were to determine the relationship between these polymorphisms and clinical response and/or adverse drug reaction (ADRs) to MTX treatment...
March 15, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28296045/one-year-outcomes-after-successful-chronic-total-occlusion-percutaneous-coronary-intervention
#10
W M Wilson, S J Walsh, A Bagnall, A T Yan, C G Hanratty, M Egred, E Smith, K G Oldroyd, M McEntegart, J Irving, H Douglas, J Strange, J C Spratt
We aimed to determine clinical outcomes 1 year after successful chronic total occlusion (CTO) PCI and, in particular, whether use of dissection and re-entry strategies affects clinical outcomes. Hybrid approaches have increased the procedural success of CTO percutaneous coronary intervention (PCI) but longer-term outcomes are unknown, particularly in relation to dissection and re-entry techniques. Data were collected for consecutive CTO PCIs performed by hybrid-trained operators from 7 United Kingdom (UK) centres between 2012 and 2014...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28295234/adverse-drug-reactions-in-children-the-double-edged-sword-of-therapeutics
#11
Abdelbaset A Elzagallaai, Michael J E Greff, Michael J Rieder
Adverse drug reactions (ADRs) represent a major health problem worldwide with high morbidity and mortality rates. ADRs are classified into type A (augmented) and type B (bizarre) ADRs with the former group being more common and the later less common but often severe and clinically more problematic due to their unpredictable nature and occurrence at any dose. Pediatric populations are especially vulnerable to ADRs due to the lack of data for this age group from the drug development process and because of the wide use of Off-label and unlicensed use of drugs...
March 13, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28293023/advances-in-image-enhancement-in-colonoscopy-for-detection-of-adenomas
#12
REVIEW
Takahisa Matsuda, Akiko Ono, Masau Sekiguchi, Takahiro Fujii, Yutaka Saito
High-quality colonoscopy is mandatory to prevent adenoma recurrence and colorectal cancer. In the past few years, technical advances have been developed with the purpose of improving adenoma detection rate (ADR), one of the most important validated colonoscopy quality benchmarks. Several techniques or devices are used to optimize visualization: observation techniques; add-on devices; auxiliary imaging devices; colonoscopes with increased field of view; and colonoscopes with an integrated inflatable reusable balloon...
March 15, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28292352/prevalence-and-risk-factors-associated-with-adverse-drug-reactions-among-previously-treated-tuberculosis-patients-in-china
#13
Xi Qin Han, Yu Pang, Yan Ma, Yu Hong Liu, Ru Guo, Wei Shu, Xue Rui Huang, Qi Ping Ge, Jian DU, Wei Wei Gao
We assessed the incidence of adverse drug reactions (ADRs) with anti-TB medications and evaluated the risk factors for developing ADRs in previously treated tuberculosis patients in China. All patients received the first-line anti-TB regimen (2HREZS/6HRE) as recommended by the national guidelines. Clinical and laboratory evaluations were performed once a month. Out of the 354 participants, 262 (74.0%) experienced ADRs such as hyperuricemia (65.0%, 230/354), hepatotoxicity (6.2%, 22/354) and hearing disturbances (4...
February 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28291776/first-in-human-phase-1-of-ys110-a-monoclonal-antibody-directed-against-cd26-in-advanced-cd26-expressing-cancers
#14
Eric Angevin, Nicolas Isambert, Véronique Trillet-Lenoir, Benoit You, Jérôme Alexandre, Gérard Zalcman, Philippe Vielh, Françoise Farace, Fanny Valleix, Thomas Podoll, Yu Kuramochi, Itaru Miyashita, Osamu Hosono, Nam H Dang, Kei Ohnuma, Taketo Yamada, Yutaro Kaneko, Chikao Morimoto
BACKGROUND: YS110 is a humanised IgG1 monoclonal antibody with high affinity to the CD26 antigen. YS110 demonstrated preclinical anti-tumour effects without significant side effects. METHODS: This FIH study was designed to determine the maximal tolerated dose (MTD) and recommended phase 2 dose (RP2D) to assess the tolerance, pharmacokinetics (PK) and pharmacodynamics profiles of YS110 and preliminary efficacy. YS110 were initially administered intravenously once every 2 weeks (Q2W) for three doses and then, based on PK data, once every week (Q1W) for five doses in patients with CD26-expressing solid tumours...
March 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28291364/multifunctional-nanoparticles-loading-with-docetaxel-and-gdc0941-for-reversing-multidrug-resistance-mediated-by-pi3k-akt-signal-pathway
#15
Yiyue Wang, Jing Li, Jing Jing Chen, Xuan Gao, Zun Huang, Qi Shen
The polylactic-co-glycolic acid polyethylene glycol conjugated with cell penetrating peptide R7 (PLGA-PEG-R7)/polysulfadimethoxine-folate nanoparticles loaded with docetaxel (DTX) and GDC0941 (R7/PSD-Fol NPs) were prepared to overcome multidrug resistance (MDR) and enhance the antitumor activity. First, polysulfadimethoxine-folate was synthesized to construct the R7/PSD-Fol NPs. The R7/PSD-Fol NPs were prepared with the abilities of effective entrapment and drug loading. Due to the pH-sensitive effect of PSD-folate, the releasing of DTX and GDC0941 from the R7/PSD-Fol NPs was lower in pH 7...
March 22, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28289898/comparison-of-dermoscopy-and-reflectance-confocal-microscopy-for-the-diagnosis-of-malignant-skin-tumours-a-meta-analysis
#16
REVIEW
Yi-Quan Xiong, Shu-Juan Ma, Yun Mo, Shu-Ting Huo, Yu-Qi Wen, Qing Chen
PURPOSE: Dermoscopy and reflectance confocal microscopy (RCM) are non-invasive methods for diagnosis of malignant skin tumours. The aim of this study was to compare the accuracy of dermoscopy and RCM for the diagnosis of malignant skin tumours. METHODS: Systematic electronic literature searches were conducted to include PubMed, Medline, Embase, the Cochrane Library database, and Web of Science, up to 26 April 2016. Pooled additional detection rate (ADR), diagnostic accuracy, and 95% confidence intervals (CIs) were calculated using STATA and Meta-Disc analysis...
March 13, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28288808/non-neoplastic-lesions-found-only-in-the-two-year-bioassays-but-not-in-shorter-toxicity-studies-of-rats
#17
Mizuho Nonaka, Kouhei Amakasu, Yukie Saegusa, Misaki Naota, Takuya Nishimura, Kumiko Ogawa, Akiyoshi Nishikawa
International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) has been conducting a prospective evaluation period to validate the criteria for waiving some carcinogenicity studies in rats. Before the waiving strategy is practiced in ICH, it is crucial to elucidate whether non-neoplastic lesions are found only in 2-year rat carcinogenicity studies. To confirm possible importance of 2-year bioassays for evaluating chronic toxicity but not carcinogenicity, we retrospectively surveyed 59 pharmaceuticals approved by the Ministry of Health, Labour and Welfare (MHLW) from 2007 to 2010 in Japan for non-neoplastic lesions observed in carcinogenicity studies...
March 10, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28282689/water-exchange-for-screening-colonoscopy-increases-adenoma-detection-rate-a-multicenter-double-blinded-randomized-controlled-trial
#18
Sergio Cadoni, Přemysl Falt, Emanuele Rondonotti, Franco Radaelli, Petr Fojtik, Paolo Gallittu, Mauro Liggi, Arnaldo Amato, Silvia Paggi, Vit Smajstrla, Ondřej Urban, Matteo Erriu, Malcolm Koo, Felix W Leung
Background and study aims Single-center studies, which were retrospective and/or involved unblinded colonoscopists, have suggested that water exchange, but not water immersion, compared with air insufflation significantly increases the adenoma detection rate (ADR), particularly in the proximal and right colon. Head-to-head comparison of the three techniques with ADR as primary outcome and blinded colonoscopists has not been reported to date. In a randomized controlled trial with blinded colonoscopists, we aimed to evaluate the impact of the three insertion techniques on ADR...
March 10, 2017: Endoscopy
https://www.readbyqxmd.com/read/28282664/the-impact-of-surgical-patent-ductus-arteriosus-closure-on-autonomic-function-in-premature-infants
#19
Nickie N Andescavage, Marina Metzler, Vedavalli Govindan, Tareq Al-Shargabi, Dilip S Nath, Anita Krishnan, An Massaro, Yunfei Wang, Adre J duPlessis, R B Govindan
Background Patent ductus arteriosus (PDA) is a common complication of prematurity and a risk factor for poor outcome. Infants undergoing surgical PDA ligation are at highest risk for neurodevelopmental injury. Autonomic dysfunction has been described in premature infants with PDA. Aim To interrogate the autonomic nervous system by analysis of advanced heart rate variability (HRV) metrics before and after surgical closure of the PDA. Study Design Prospective, observational study. Subjects Twenty-seven infants born before 28 weeks' gestation were included in this study...
March 10, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28277870/safety-and-effectiveness-of-tadalafil-in-patients-with-pulmonary-arterial-hypertension-japan-post-marketing-surveillance-data
#20
Hiroyoshi Yamazaki, Noriko Kobayashi, Masanori Taketsuna, Koyuki Tajima, Masahiro Murakami
OBJECTIVE: To evaluate the long-term safety and effectiveness of tadalafil in patients with pulmonary arterial hypertension (PAH) in real-world clinical practice. METHODS: This prospective, multicenter, noninterventional, post-marketing surveillance included patients with PAH who were observed for up to 2 years after initiation of tadalafil. Safety was assessed by analyzing the frequency of adverse drug reactions (ADRs), discontinuations due to adverse events (AEs), and serious adverse drug reactions (SADRs)...
February 21, 2017: Current Medical Research and Opinion
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