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https://www.readbyqxmd.com/read/28098801/a-novel-antihypertensive-derived-from-adlay-coix-larchryma-jobi-l-var-ma-yuen-stapf-glutelin
#1
Bin Li, Liansheng Qiao, Lingling Li, Yanling Zhang, Kai Li, Lingzhi Wang, Yanjiang Qiao
Our previous studies have shown that Coix glutelin pepsin hydrolysate can effectively inhibit angiotensin converting enzyme (ACE) activity in vitro. The main purpose of this study was to obtain potent anti-hypertensive peptides from Coix glutelin. The Coix glutelin hydrolysates (CGH) were prepared by pepsin catalysis and further separated by an ultrafitration (UF) system, gel filtration chromatography (GFC) and reversed-phase high performance liquid chromatography (RP-HPLC). As a result, the sub-fraction F5-3 had the highest ACE-inhibitory activity...
January 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098731/choroidal-structure-altered-by-degeneration-of-retina-in-eyes-with-retinitis-pigmentosa
#2
Hiroki Kawano, Shozo Sonoda, Shiro Saito, Hiroto Terasaki, Taiji Sakamoto
PURPOSE: To compare the structural characteristics of the choroid in the areas with greater retinal degeneration to the areas with less retinal degeneration in eyes with retinitis pigmentosa (RP). METHODS: Patients with RP who had a hyperautofluorescent ring were studied. The choroidal images obtained by enhanced depth imaging optical coherence tomography located 7,500 μm from the optic disk in the horizontal plane were analyzed. The cross-sectional areas of the total, luminal, and stromal choroid were measured...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28096918/perioperative-outcomes-following-radical-prostatectomy-for-patients-with-disseminated-cancer-an-analysis-of-the-national-surgical-quality-improvement-program-database
#3
Raj Satkunasivam, Christopher J D Wallis, James Byrne, Azik Hoffman, Douglas C Cheung, Girish S Kulkarni, Avery B Nathens, Robert K Nam
INTRODUCTION: We sought to determine whether patients undergoing radical prostatectomy (RP) in the context of disseminated cancer have higher 30-day complications. METHODS: We conducted a retrospective cohort study of the National Surgical Quality Improvement Program (NSQIP) database. Men undergoing RP (from January 1, 2005 to December 31, 2014) for prostate cancer were identified and stratified by presence (n=97) or absence (n=27 868) of disseminated cancer. The primary outcome was major complications (death, re-operation, cardiac or neurologic events) within 30 days of surgery...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096916/an-audit-of-referral-and-treatment-patterns-of-high-risk-prostate-cancer-patients-in-alberta
#4
Majed Alghamdi, Amandeep Taggar, Derek Tilley, Marc Kerba, Xanthoula Kostaras, Geoffrey Gotto, Michael Sia
INTRODUCTION: We aimed to determine the impact of clinical practice guidelines (CPG) on rates of radiation oncologist (RO) referral, androgen-deprivation therapy (ADT), radiation therapy (RT), and radical prostatectomy (RP) in patients with high-risk prostate cancer (HR-PCa). METHODS: All men >18 years, diagnosed with PCa in 2005 and 2012 were identified from the Alberta Cancer Registry. Patient age, aggregated clinical risk group (ACRG) score, Gleason score (GS), pre-treatment prostate-specific antigen (PSA), RO referral, and treatment received were extracted from electronic medical records...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28095526/effects-of-platform-switching-on-peri-implant-soft-and-hard-tissue-outcomes-a-systematic-review-and-meta-analysis
#5
Yung-Ting Hsu, Guo-Hao Lin, Hom-Lay Wang
PURPOSE: This systematic review and meta-analysis was aimed at evaluating the longitudinal effect of platform switching on implant survival rates as well as on soft and hard tissue outcomes. MATERIALS AND METHODS: An electronic search of the databases of the National Center for Biotechnology Information, PubMed, Ovid (MEDLINE), EMBASE, Web of Science, and Cochrane Collaboration Library was conducted in February 2015. Studies published in English with at least 10 human participants and a 12-month post-loading follow-up were included...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095071/mevalonate-kinase-deficiency-associated-with-ataxia-and-retinitis-pigmentosa-in-two-brothers-with-mvk-gene-mutations
#6
Ulrich Kellner, Heidi Stöhr, Silke Weinitz, Ghazaleh Farmand, Bernhard H F Weber
PURPOSE: To report the clinical and molecular genetic findings in two brothers with retinitis pigmentosa (RP) and mevalonate kinase deficiency (MKD). METHODS: The brothers were examined clinically and with fundus autofluorescence, near-infrared autofluorescence, and spectral domain optical coherence tomography. Targeted resequencing was done with a custom designed gene panel containing 78 genes associated with RP. Mutations were confirmed by direct Sanger sequencing...
January 17, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28094212/sparing-of-high-retropharyngeal-nodal-basins-in-patients-with-unilateral-oropharyngeal-carcinoma-treated-with-intensity-modulated-radiation-therapy
#7
Jonathan E Leeman, Stanley Gutiontov, Paul Romesser, Sean McBride, Nadeem Riaz, Nancy Lee, C Jillian Tsai
PURPOSE: The introduction of intensity modulated radiotherapy (IMRT) has facilitated dose painting and sparing of uninvolved/low-risk nodal basins in head and neck cancers. In oropharynx cancer (OPC), the need for elective coverage of uninvolved high contralateral retropharyngeal (RP) nodes and the risk associated with sparing this region remain unclear. We examined outcomes of OPC patients treated with IMRT and omission of contralateral high RP coverage. METHODS AND MATERIALS: We identified 102 OPC patients with cN0-N2b disease treated with definitive IMRT with or without concurrent chemotherapy between 2010 and 2013...
November 11, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28093890/long-term-follow-up-for-treatment-of-erectile-dysfunction-post-radical-prostatectomy-using-nerve-grafts-and-end-to-side-somatic-autonomic-neurorraphy-a-new-technique
#8
José Carlos Souza Trindade, Fausto Viterbo, André Petean Trindade, Wagner José Fávaro, José Carlos Souza Trindade Filho
: Radical prostatectomy (RP) for prostate cancer treatment, although effective, can lead to severe erectile dysfunction. This study describes a new technique, which aims to reestablish the nerve stimulus in penile erection by two sural nerve graft bridges bilaterally, using the end to side neurorraphy. The first bridge is between femoral nerve and dorsal nerve of penis and the second, is between the femoral nerve and the interior of the corpus cavernosum. In this neurorraphy the endings of the newly formed fibres, generated by the femoral nerve, release acetylcholine inside the cavernous bodies, beginning the erection mechanism...
January 17, 2017: BJU International
https://www.readbyqxmd.com/read/28093792/prognostic-role-of-preoperative-serum-lipid-levels-in-patients-undergoing-radical-prostatectomy-for-clinically-localized-prostate-cancer
#9
Marian S Wettstein, Karim Saba, Martin H Umbehr, Teemu J Murtola, Christian D Fankhauser, Jean-Pascal Adank, Marc Hofmann, Tullio Sulser, Thomas Hermanns, Holger Moch, Peter Wild, Cédric Poyet
BACKGROUND: The prognostic role of preoperative serum lipid levels in patients undergoing radical prostatectomy (RP) for clinically localized prostate cancer (PCa) is unclear. The aim of the present study was to investigate preoperative serum lipid levels in patients with clinically localized PCa undergoing RP and their association with clinicopathological features and oncological outcome. METHODS: Preoperative lipid levels (total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides) and statin use from consecutive patients with clinically localized PCa undergoing RP in a tertiary referral center between 2008 and 2015 were recorded and patients were followed prospectively...
January 17, 2017: Prostate
https://www.readbyqxmd.com/read/28093791/local-therapy-improves-overall-survival-in-patients-with-newly-diagnosed-metastatic-prostate-cancer
#10
Rahul R Parikh, John Byun, Sharad Goyal, Isaac Yi Kim
BACKGROUND: The role of local therapy, in the form of radiation therapy (RT) or radical prostatectomy(RP), and its association on outcomes is not well established in patients with metastatic prostate cancer. METHODS: Using the National Cancer Database (NCDB), we evaluated patterns of care and outcomes among patients diagnosed with metastatic prostate cancer from 2004 to 2013 treated with local therapy (RP, intensity-modulated radiation therapy [IMRT], or 2D/3D-conformal radiation therapy [CRT])...
January 17, 2017: Prostate
https://www.readbyqxmd.com/read/28093788/north-american-population-based-validation-of-the-national-comprehensive-cancer-network-practice-guideline-recommendation-of-pelvic-lymphadenectomy-in-contemporary-prostate-cancer
#11
Sami-Ramzi Leyh-Bannurah, Lars Budäus, Raisa Pompe, Emanuele Zaffuto, Alberto Briganti, Firas Abdollah, Francesco Montorsi, Jonas Schiffmann, Mani Menon, Shahrokh F Shariat, Margit Fisch, Felix Chun, Hartwig Huland, Markus Graefen, Pierre I Karakiewicz
BACKGROUND: National Comprehensive Cancer Network (NCCN) guidelines recommend a pelvic lymph node dissection (PLND) in prostate cancer (PCa) patients treated with radical prostatectomy (RP) if a nomogram predicted risk of lymph node invasion (LNI) is ≥2%. We examined this and other thresholds, including nomogram validation. METHODS: We examined records of 26,713 patients treated with RP and PLND between 2010 and 2013, within the Surveillance, Epidemiology, and End Results database...
January 17, 2017: Prostate
https://www.readbyqxmd.com/read/28093628/perioperative-patient-education-improves-long-term-satisfaction-rates-of-low-risk-prostate-cancer-patients-after-radical-prostatectomy
#12
Alexander Kretschmer, Alexander Buchner, Markus Grabbert, Anne Sommer, Annika Herlemann, Christian G Stief, Ricarda M Bauer
PURPOSE: To evaluate patient-reported functional outcomes after radical prostatectomy (RP) and to analyse the effect of perioperative patient education on satisfaction rates among low-risk prostate cancer patients. METHODS: Inclusion criteria encompassed low-risk prostate cancer patients as defined by the D'Amico criteria, undergoing nerve-sparing RP without pelvic lymph node dissection. Patient-centred functional outcomes, subjective evaluation of perioperative counselling, and patient satisfaction rates were documented...
January 16, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28092341/unilateral-spinous-process-non-covering-hook-type-patient-specific-drill-template-for-thoracic-pedicle-screw-fixation-a-pilot-clinical-trial-and-template-classification
#13
Sang Bum Kim, Yougun Won, Hyun Jin Yoo, Lee Jae Sin, John M Rhee, Sang Wook Lee, Gi-Soo Lee
STUDY DESIGN: Prospective Clinical Pilot tudy OBJECTIVE.: To confirm the accuracy of thoracic pedicle screw placement by using the unilateral spinous non-covering hook type patient-specific drill template (PSDT) made through rapid prototyping (RP) and to analyze previously reported PSDT designs and their characteristics. SUMMARY OF BACKGROUND DATA: Pedicle screw fixation is the most common form of the posterior instrumentation of the thoracic and lumbar spine. Various techniques have been introduced to improve pedicle screw placement...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28092215/therapeutic-implications-from-the-pathogenesis-of-raynaud-s-phenomenon
#14
Ariane L Herrick
Raynaud's phenomenon (RP) can be either primary (idiopathic) or secondary to a number of different diseases/conditions, when vasopasm can be superimposed upon structural vascular abnormality or a hyperviscosity state and may then lead to severe ischaemia with tissue damage. Treatment must be tailored to the individual. Areas covered: This review discusses how increased understanding of the pathogenesis of RP has driven and is driving new approaches to therapy, and how we are now better able to predict which patients presenting with RP are likely to have an underlying disease requiring specific intervention...
January 16, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28089483/patterns-of-failure-after-radiotherapy-for-pediatric-patients-with-intracranial-ependymoma
#15
Fatima Tensaouti, Anne Ducassou, Léonor Chaltiel, Stéphanie Bolle, Xavier Muracciole, Bernard Coche-Dequeant, Claire Alapetite, Valérie Bernier, Line Claude, Stéphane Supiot, Aymeri Huchet, Christine Kerr, Elisabeth le Prisé, Anne Laprie
PURPOSE: To investigate the patterns of failure after radiotherapy for pediatric intracranial ependymoma and their correlation with dose parameters. METHODS: Between 2000 and 2013, 206 patients were treated in France. MRI scans at relapse were registered to the original planning CTs for topographic analysis of failure patterns. To compare relapse patients (RP) with non relapse patients (NRP), several dose parameters were derived from dose volume histograms. RESULTS: Over a median follow-up of 53...
January 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28089097/a-systematic-approach-for-the-chromatographic-fractionation-and-purification-of-steroid-saponins-in-commercial-extracts-of-yucca-schidigera-roezl
#16
F Sastre, F Ferreira, F Pedreschi
Yucca schidigera Roezl. (yucca) is one of the major industrial sources of steroid saponins used as animal and human food additives. This work describes a new, systematic and reproducible three-step method by medium and high-pressure liquid chromatography (under RP, NP and RP conditions), for the isolation and purification of three groups of saponins, which were further purified in sub-fractions, and finally into twelve individual steroid saponins previously reported in Y. schidigera. In accordance to the increasing applications of yucca extracts, further analytical, biological and physicochemical studies are still required...
November 23, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28088457/preformulation-characterization-stabilization-and-formulation-design-for-the-acrylodan-labeled-glucose-binding-protein-sm4-ac
#17
Neha Sahni, Rajoshi Chaudhuri, John M Hickey, Prakash Manikwar, Ajit D'Souza, Andrew Metters, Sangeeta B Joshi, C Russell Middaugh, David B Volkin
This study describes the physicochemical characterization, stabilization and formulation design of SM4-AC, an acrylodan labeled glucose/galactose binding protein for use in a continuous glucose monitoring device. The physical stability profile of SM4-AC as a function of pH and temperature was monitored using a combination of biophysical techniques and the resulting physical stability profile was visualized using an empirical phase diagram. Forced degradation chemical stability studies (Asn deamidation, Met oxidation) of SM4-AC were performed using a combination of capillary isoelectric focusing (cIEF), peptide mapping and reversed phase high performance liquid chromatography (RP-HPLC)...
January 11, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28088361/purification-and-characterisation-of-dsrna-using-ion-pair-reverse-phase-chromatography-and-mass-spectrometry
#18
Alison O Nwokeoji, An-Wen Kung, Peter M Kilby, David E Portwood, Mark J Dickman
RNA interference has provided valuable insight into a wide range of biological systems and is a powerful tool for the analysis of gene function. The exploitation of this pathway to block the expression of specific gene targets holds considerable promise for the development of novel RNAi-based insect management strategies. In addition, there are a wide number of future potential applications of RNAi to control agricultural insect pests as well as its use for prevention of diseases in beneficial insects. The potential to synthesise large quantities of dsRNA by in-vitro transcription or in bacterial systems for RNA interference applications has generated significant demand for the development and application of high throughput analytical tools for the rapid extraction, purification and analysis of dsRNA...
December 21, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28088102/effects-of-photoperiod-regimes-and-ultraviolet-c-radiations-on-biosynthesis-of-industrially-important-lignans-and-neolignans-in-cell-cultures-of-linum-usitatissimum-l-flax
#19
Sumaira Anjum, Bilal Haider Abbasi, Joël Doussot, Alain Favre-Réguillon, Christophe Hano
Lignans and neolignans are principal bioactive components of Linum usitatissimum L. (Flax), having multiple pharmacological activities. In present study, we are reporting an authoritative abiotic elicitation strategy of photoperiod regimes along with UV-C radiations. Cell cultures were grown in different photoperiod regimes (24h-dark, 24h-light and 16L/8D h photoperiod) either alone or in combination with various doses (1.8-10.8kJ/m(2)) of ultraviolet-C (UV-C) radiations. Secoisolariciresinol diglucoside (SDG), lariciresinol diglucoside (LDG), dehydrodiconiferyl alcohol glucoside (DCG), and guaiacylglycerol-β-coniferyl alcohol ether glucoside (GGCG) were quantified by using reverse phase-high performance liquid chromatography (RP-HPLC)...
January 7, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28080070/solution-synthesis-of-iodine-doped-red-phosphorus-nanoparticles-for-lithium-ion-battery-anodes
#20
Wei-Chung Chang, Kuan-Wei Tseng, Hsing-Yu Tuan
Red Phosphorus (RP) is a promising anode material for lithium-ion battery due to its earth abundance and a high theoretical capacity of 2596 mA h g-1. Although RP-based anodes for lithium-ion batteries have been reported, they were all in the form of carbon/P composites, including P-graphene, P-graphite, P-CNTs and P-carbon black, in order to improve P's extremely low conductivity and large volume change during cycling process. Here we report the large-scale synthesis of red phosphorus nanoparticles (RPNPs) with sizes ranging from 100 to 200 nm by reacting PI3 with ethylene glycol in the presence of cetyltrimethylammonium bromide (CTAB) in ambient environment...
January 12, 2017: Nano Letters
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