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https://www.readbyqxmd.com/read/28228042/haemoglobin-f-a2-and-s-levels-in-subjects-with-or-without-sickle-cell-trait-in-south-eastern-gabon
#1
Landry-Erik Mombo, Gaël Mabioko-Mbembo, Roland-Fabrice Kassa-Kassa, Emmanuel Ontsitsagui, Statiana Mboui-Ondo, Leatitia Nzé-Kamsi, Dieudonné Nkoghé, Jacques Elion
BACKGROUND: Infant mortality due to sickle cell disease in sub-Saharan Africa is high, necessitating a better understanding of the modulating factors of the disease in this region. METHODS: We assessed the hereditary persistence of foetal haemoglobin and α-thalassemia. We diagnosed 787 subjects, with or without sickle cell trait, by capillary electrophoresis in the Medical Diagnostic Laboratory of the CIRMF (Franceville, Gabon). RESULTS: Heterocellular and pancellular forms of hereditary persistence of foetal haemoglobin occurred at low rates of 10...
February 23, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28214031/the-impact-of-histological-variants-of-urothelial-carcinoma-on-clinical-outcomes-following-trimodality-bladder-sparing-chemoradiation
#2
EDITORIAL
Anne E Kiltie, Lisa Browning
No abstract text is available yet for this article.
February 14, 2017: European Urology
https://www.readbyqxmd.com/read/28198057/c18-cooh-silica-preparation-characterisation-and-its-application-in-purification-of-quaternary-ammonium-alkaloids-from-coptis-chinensis
#3
Qing Wang, Yao Long, Lin Yao, Mao Ye, Li Xu
INTRODUCTION: Traditional methods for isolating and purifying quaternary ammonium alkaloids from Coptis chinensis do not discriminate the target alkaloids from co-extractives. Mixed-mode analytical chromatography has the potential to improve the separation of analytes in more complex extracts and, when used in a solid-phase extraction mode, improve the purity of isolated compounds. OBJECTIVE: To examine the high-performance liquid chromatographic separation capabilities of a mixed-mode, silica-based adsorbent and its application to the purification of quaternary ammonium alkaloids from Coptis chinensis based on solid-phase extraction...
February 15, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28170224/sub-10-nm-sr2luf7-yb-er-sr2gdf7-srf2-up-conversion-nanocrystals-for-up-conversion-luminescence-magnetic-resonance-computed-tomography-trimodal-bioimaging
#4
Cailing Chen, Jianhua Liu, Ying Chen, Chunguang Li, Xiaomin Liu, He Huang, Chen Liang, Yue Lou, Zhan Shi, Shouhua Feng
Herein, sub-10 nm core-shell nanocrystals (NCs), which select Sr2LuF7:Yb/Er as core, Sr2GdF7 as middle shell, and SrF2 as an outermost shell, were synthesized by a seed-mediated growth process. The NCs possess good crystallinity, morphology, and up-conversion luminescent properties. After modification by polyethylenimine branched (PEI), in vitro cell up-conversion imaging with low autofluorescence was realized. Due to the presence of Gd(3+) ions, in vivo magnetic resonance (MR) imaging was also achieved with these designed NCs...
February 7, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28145723/ultrasmall-silica-based-bismuth-gadolinium-nanoparticles-for-dual-magnetic-resonance-computed-tomography-image-guided-radiation-therapy
#5
Alexandre Detappe, Eloise Thomas, Mark W Tibbitt, Sijumon Kunjachan, Oksana Zavidij, Nishita Parnandi, Elizaveta Reznichenko, François Lux, Olivier Tillement, Ross Berbeco
Selective killing of cancer cells while minimizing damage to healthy tissues is the goal of clinical radiation therapy. This therapeutic ratio can be improved by image-guided radiation delivery and selective radiosensitization of cancer cells. Here, we have designed and tested a novel trimodal theranostic nanoparticle made of bismuth and gadolinium for on-site radiosensitization and image contrast enhancement to improve the efficacy and accuracy of radiation therapy. We demonstrate in vivo magnetic resonance (MR), computed tomography (CT) contrast enhancement, and tumor suppression with prolonged survival in a non-small cell lung carcinoma model during clinical radiation therapy...
February 2, 2017: Nano Letters
https://www.readbyqxmd.com/read/28138891/inflammatory-breast-cancer-in-the-netherlands-improved-survival-over-the-last-decades
#6
D J P van Uden, R Bretveld, S Siesling, J H W de Wilt, C F J M Blanken-Peeters
PURPOSE: Locally advanced breast cancer (LABC) includes inflammatory breast cancer (IBC) as well as non-inflammatory LABC (NI-LABC). The aim of this population-based study was to compare the tumour characteristics, treatment and relative survival of IBC and NI-LABC patients. METHODS: Patients with either IBC (cT4d) or NI-LABC (cT4a-c) were identified from the nationwide Netherlands Cancer Registry from the period 1989-2015. In each group, patients are divided into three time periods in order to perform a trend analysis: 1989-1997, 1998-2006, and 2007-2015...
January 30, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28129606/pet-mr-versus-pet-ct-in-the-initial-staging-of-head-and-neck-cancer-using-a-trimodality-pet-ct-mr-system
#7
Tetsuro Sekine, Felipe de Galiza Barbosa, Felix P Kuhn, Irene A Burger, Paul Stolzmann, Gerhard F Huber, Spyros S Kollias, Gustav K von Schulthess, Patrick Veit-Haibach, Martin W Huellner
PURPOSE: To compare the diagnostic accuracy of PET+MR with PET/CT in the initial staging of head and neck cancer. MATERIALS AND METHODS: Contrast-enhanced PET/CT+MR was performed in 27 patients with newly diagnosed head and neck cancer. PET/CT and PET+MR were evaluated separately, and the TNM stage and factors influencing treatment were assessed. RESULTS: The TNM staging by PET+MR was comparable to PET/CT (T: p=0.331, N: p=0.453, M: p=0.034)...
January 17, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28103913/prognostic-histological-factors-in-patients-with-esophageal-squamous-cell-carcinoma-after-preoperative-chemoradiation-followed-by-surgery
#8
Cheng-Che Tu, Po-Kuei Hsu, Ling-I Chien, Wan-Chen Liu, Chien-Sheng Huang, Chih-Cheng Hsieh, Han-Shui Hsu, Yu-Chung Wu
BACKGROUND: Pathological response is an important marker for tumor aggressiveness in patients with esophageal squamous cell carcinoma (ESCC) who receive preoperative chemoradiation followed by esophagectomy. We aim to evaluate the prognostic value of histological factors after trimodality treatments. METHODS: 91 patients who received preoperative chemoradiation followed by transthoracic esophagectomy between 2009 and 2014 were included. The pathological examination was reviewed...
January 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28081432/changes-in-age-patterns-of-suicide-in-australia-the-united-states-japan-and-hong-kong
#9
John Snowdon, Julie Phillips, Baoliang Zhong, Takashi Yamauchi, Helen F K Chiu, Yeates Conwell
The patterns of association between age and suicide rate vary by country, subpopulation and gender, and over time. To shed light on factors associated with these differences, we analysed suicide data from four populations, two 'Western' (Australia, the United States [US]) and two Asian (Japan and Hong Kong). We computed suicide rates in five-year age-groups (between 10 and 14 years and 85+ years) for men and women separately, and present graphical representations of the age patterns during selected five-year periods...
March 15, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28079430/multimodal-prehabilitation-improves-functional-capacity-before-and-after-colorectal-surgery-for-cancer-a-five-year-research-experience
#10
Enrico Maria Minnella, Guillaume Bousquet-Dion, Rashami Awasthi, Celena Scheede-Bergdahl, Francesco Carli
BACKGROUND: Multimodal prehabilitation is a preoperative conditioning intervention in form of exercise, nutritional assessment, whey protein supplementation, and anxiety-coping technique. Despite recent evidence suggesting that prehabilitation could improve functional capacity in patients undergoing colorectal surgery for cancer, all studies were characterized by a relatively small sample size. The aim of this study was to confirm what was previously found in three small population trials...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28056876/a-case-report-of-primary-unilateral-adrenal-nk-t-cell-lymphoma-good-clinical-outcome-with-trimodality-treatment
#11
Liu Hu, Weimin Xu, Mingwei Wang, Pan Wang, Guang Han, Chi Lin
BACKGROUND: Primary natural killer (NK)/T cell lymphoma of adrenal glands is an extremely rare tumor with aggressive clinical behavior. There have only been a few cases reported worldwide and the highest reported survival was 90 days. We report the first case of primary unilateral adrenal NK/T cell lymphoma in China with good outcome. CASE PRESENTATION: This is a 28-year-old man who presented with abdominal pain and was found to have a large mass on the left adrenal and the top of the renal region...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28056116/comparison-of-survival-outcomes-among-human-papillomavirus-negative-ct1-2-n1-2b-patients-with-oropharyngeal-squamous-cell-cancer-treated-with-upfront-surgery-vs-definitive-chemoradiation-therapy-an-observational-study
#12
Jacqueline R Kelly, Henry S Park, Yi An, Joseph N Contessa, Wendell G Yarbrough, Barbara A Burtness, Roy Decker, Zain Husain
Importance: Human papillomavirus (HPV)-negative oropharyngeal squamous cell carcinoma (OPSCC) has shown resistance to conventional concurrent chemoradiation (CRT) therapy and carries a relatively poor prognosis in comparison with HPV-positive disease, with decreased locoregional control and overall survival (OS). In the present analysis, we examine whether upfront surgical resection improves overall survival in a large national sample. Objective: To compare survival outcomes among patients with newly diagnosed cT1-2 N1-2b HPV-negative OPSCC when treated with primary surgical resection vs CRT...
January 5, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28040351/clinical-outcomes-of-patients-with-histologic-variants-of-urothelial-cancer-treated-with-trimodality-bladder-sparing-therapy
#13
Ross E Krasnow, Michael Drumm, Hannah J Roberts, Andrzej Niemierko, Chin-Lee Wu, Shulin Wu, Jing Zhang, Niall M Heney, Matthew F Wszolek, Michael L Blute, Adam S Feldman, Richard J Lee, Anthony L Zietman, William U Shipley, Jason A Efstathiou
BACKGROUND: Trimodality bladder-sparing therapy (TMT) is an acceptable treatment for selected patients with muscle-invasive urothelial cancer. Outcomes of TMT in histologic variants remains largely unknown. OBJECTIVE: To compare outcomes of pure urothelial carcinoma (PUC) to variant urothelial carcinoma (VUC) after TMT. DESIGN, SETTING, AND PARTICIPANTS: Retrospective study of patients treated with TMT at a single cancer center from 1993 until 2013...
December 28, 2016: European Urology
https://www.readbyqxmd.com/read/28035321/patterns-of-bladder-preservation-therapy%C3%A2-utilization-for-muscle-invasive-bladder-cancer
#14
Tracy L Rose, Allison M Deal, Sylvain Ladoire, Gilles Créhange, Matthew D Galsky, Jonathan E Rosenberg, Joaquim Bellmunt, Akhila Wimalasingham, Yu-Ning Wong, Lauren C Harshman, Simon Chowdhury, Guenter Niegisch, Michalis Liontos, Evan Y Yu, Sumanta K Pal, Ronald C Chen, Andrew Z Wang, Matthew E Nielsen, Angela B Smith, Matthew I Milowsky
Background: Trimodality bladder preservation therapy (BPT) in muscle invasive bladder cancer (MIBC) includes a maximal transurethral resection followed by concurrent chemoradiotherapy as an alternative to radical cystectomy (RC) in appropriately selected patients, or as a treatment option in non-cystectomy candidates. Several chemotherapy regimens can be used in BPT, but little is known about current practice patterns. Objective: To describe utilization patterns of BPT and associated survival outcomes in MIBC...
October 27, 2016: Bladder Cancer
https://www.readbyqxmd.com/read/28035319/the-role-of-transurethral-resection-in%C3%A2-trimodal-therapy-for-muscle-invasive-bladder-cancer
#15
REVIEW
Christopher M Russell, Amir H Lebastchi, Tudor Borza, Daniel E Spratt, Todd M Morgan
While radical cystectomy (RC) with pelvic lymph node dissection (PLND) represents the accepted gold standard for the treatment of muscle-invasive bladder cancer, this treatment approach is associated with significant morbidity. As such, bladder preservation strategies are often utilized in patients who are either deemed medically unfit due to significant comorbidities or whom decline management with RC and PLND secondary to its associated morbidity. In a select group of patients, meeting strict criteria, bladder preservation approaches may be employed with curative intent...
October 27, 2016: Bladder Cancer
https://www.readbyqxmd.com/read/28034491/a-role-of-multimodality-bladder-preserving-therapy-in-patients-with-muscle-invasive-bladder-cancer-plus-hydronephrosis-with-or-without-pelvic-nodal-involvement
#16
Yun Chiang, Jason Chia-Hsien Cheng, Chao-Yuan Huang, Yu-Chieh Tsai, Chia-Chi Lin, Chih-Hung Hsu, Ann-Lii Cheng, Yeong-Shiau Pu
BACKGROUND/PURPOSE: To retrospectively evaluate the failure patterns of multimodality bladder-preserving therapy in patients with muscle-invasive bladder cancer. METHODS: Patients with muscle-invasive bladder cancer underwent maximal transurethral resection of bladder tumor and induction chemotherapy, followed by concurrent chemoradiotherapy (CCRT). Radiotherapy was given with 45 Gy to the pelvis, 50.4 Gy to the bladder, and 64.8 Gy to the tumor bed. Three protocols of trimodality treatment were used: Protocol A, three cycles of cisplatin and fluorouracil (CF), followed by CCRT with 6 weekly cisplatin; Protocol B, three cycles of weekly paclitaxel plus CF, followed by CCRT with 6 weekly paclitaxel and cisplatin; Protocol C, three cycles of gemcitabine and cisplatin, followed by CCRT with 6 weekly cisplatin...
December 26, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27991910/establishment-and-characterization-of-bhd-f59rsvt-an-immortalized-cell-line-derived-from-a-renal-cell-carcinoma-in-a-patient-with-birt-hogg-dub%C3%A3-syndrome
#17
Mitsuko Furuya, Hisashi Hasumi, Masaya Baba, Reiko Tanaka, Yasuhiro Iribe, Takahiro Onishi, Yoji Nagashima, Yukio Nakatani, Yasuhiro Isono, Masahiro Yao
Hereditary renal cell carcinomas (RCCs) are life-threatening disorders not only for the patients but also for their relatives. Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant disorder caused by germline mutations in the folliculin gene (FLCN). The protein product, FLCN, functions as a tumor suppressor, and the affected patients have high risks of developing multiple RCCs. The carcinogenic mechanisms stemming from FLCN dysfunction have been investigated using rodent models and human RCC tissues. However, very limited information has been available about in vitro signaling of human renal cells with genetically mutant FLCN...
December 19, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27967193/equivalence-of-coupled-networks-and-networks-with-multimodal-frequency-distributions-conditions-for-the-bimodal-and-trimodal-case
#18
Bastian Pietras, Nicolás Deschle, Andreas Daffertshofer
Populations of oscillators can display a variety of synchronization patterns depending on the oscillators' intrinsic coupling and the coupling between them. We consider two coupled symmetric (sub)populations with unimodal frequency distributions. If internal and external coupling strengths are identical, a change of variables transforms the system into a single population of oscillators whose natural frequencies are bimodally distributed. Otherwise an additional bifurcation parameter κ enters the dynamics...
November 2016: Physical Review. E
https://www.readbyqxmd.com/read/27942406/n2-iiia-non-small-cell-lung-cancer-a-plea-for-surgery
#19
REVIEW
Gilbert Massard, Stéphane Renaud, Jérémie Reeb, Nicola Santelmo, Anne Olland, Pierre-Emmanuel Falcoz
Management of stage IIIA-N2 non-small cell lung cancer is still matter of ongoing controversy. The debate is flawed by the heterogeneity of this group of patients, lack of strong evidence from controlled trials, diverging treatment strategies, and hesitating estimation of prognosis. Surgery is credited a survival advantage in a trimodality setting. For many teams, N2 is by principle managed with induction chemotherapy, followed by surgery if the patient is down-staged. However, surgery remains a suitable option even in case of persistent N2...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27934082/redox-mediated-disassembly-to-build-activatable-trimodal-probe-for-molecular-imaging-of-biothiols
#20
Mengmeng Zheng, Yuqi Wang, Hua Shi, Yuxuan Hu, Liandong Feng, Zhiliang Luo, Mi Zhou, Jian He, Zhenyang Zhou, Yan Zhang, Deju Ye
Activatable multimodal probes that show enhancement of multiplex imaging signals upon interaction with their specific molecular target have become powerful tools for rapid and precise imaging of biological processes. Herein, we report a stimuli-responsive disassembly approach to construct a redox-activatable fluorescence/(19)F-MRS/(1)H-MRI triple-functional probe 1. The small molecule probe 1 itself has a high propensity to self-assemble into nanoparticles with quenched fluorescence, attenuated (19)F-MRS signal, and high (1)H-MRI contrast...
November 22, 2016: ACS Nano
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