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https://www.readbyqxmd.com/read/28345834/hyperuricemia-at-the-time-of-diagnosis-is-a-factor-for-poor-prognosis-in-patients-with-stage-ii-and-iii-colorectal-cancer-uric-acid-and-colorectal-cancer
#1
Ahmet Ozan Cetin, Muhyettin Omar, Serkan Calp, Hasan Tunca, Nevin Yimaz, Burak Ozseker, Ozgur Tanriverdi
Purpose: In this pilot study we investigated whether serum levels of uric acid, the final breakdown product of purine metabolism, might influence cancer-related events in stage II and III colorectal cancer patients. Material and methods: In this cross-sectional retrospective study, a total of 150 stage II and III colorectal adenocarcinoma patients with no exclusion criteria were included. Serum uric acid levels of the patients measured at diagnosis and demographic, clinical, laboratory analyses were performed and histologically features recorded...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345824/epidemiological-characteristics-of-retinoblastoma-in-children-attending-almouassat-university-hospital-damascus-syria-2012-2016
#2
Ahmad Al Hasan, Rashad Murad, Khaldoun Zaid, Jourjous Al Daoud, Khaled Zaid
Retinoblastoma (Rb) is a malignant tumor that originates from the developing retina. Diagnosis is based on clinical signs and symptoms and usually children under the age of five years are affected. Early diagnosis and treatment of Rb and non-ocular tumors can reduce morbidity and increase longevity. Treatment in the early stages may allow a good prognosis and salvage of visual function.The aim of this study is to present descriptive epidemiological aspects of retinoblastomas in children seen at Almouassat University Hospital (AUH) in Damascus, Syria from 1 January 2012 to 31 October 2016In this retrospective, observational hospital survey, medical records of 37 retinoblastoma cases were reviewed...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345667/the-toxicity-of-angiotensin-converting-enzyme-inhibitors-to-larvae-of-the-disease-vectors-aedes-aegypti-and-anopheles-gambiae
#3
Zatul-'Iffah Abu Hasan, Helen Williams, Nur M Ismail, Hidayatulfathi Othman, Gyles E Cozier, K Ravi Acharya, R Elwyn Isaac
The control of mosquitoes is threatened by the appearance of insecticide resistance and therefore new control chemicals are urgently required. Here we show that inhibitors of mosquito peptidyl dipeptidase, a peptidase related to mammalian angiotensin-converting enzyme (ACE), are insecticidal to larvae of the mosquitoes, Aedes aegypti and Anopheles gambiae. ACE inhibitors (captopril, fosinopril and fosinoprilat) and two peptides (trypsin-modulating oostatic factor/TMOF and a bradykinin-potentiating peptide, BPP-12b) were all inhibitors of the larval ACE activity of both mosquitoes...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345332/effects-of-cisplatin-loaded-niosomal-nanoparticleson-bt-20-human-breast-carcinoma-cells
#4
Leila Kanaani, Iraj Javadi, Meysam Ebrahimifar, Hasan Ebrahimi Shahmabadi, Azim Akbarzadeh Khiyav, Torkan Mehrdiba
Breast cancer is the fifth most common cause of death among women worldwide. Resistance to cisplatin is a main challenge in its treatment. Our present aim was to prepare nanoniosomated cisplatin and examine its efficacy in vitro using the BT-20 cell line. Niosome nanoparticles containing cisplatin were prepared by reverse-phase evaporation and characterized by dynamic light scattering (DLS), scanning electron microscopy (SEM), spectrophotometry and MTT assay. The size and zeta potential of the nanodrug were estimated as 489...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345125/new-clues-in-the-malignant-progression-of-glioblastoma-can-the-thioredoxin-system-play-a-role
#5
Fatih Erdi, Bulent Kaya, Hasan Esen, Yasar Karatas, Sıddıka Findik, Fatih Keskin, Bahadır Feyzioglu, Erdal Kalkan
AIM: The main aim of this study is to evaluate and compare the expression of thioredoxin reductase 1 (TrxR1) in primary and secondary glioblastoma samples. MATERIAL AND METHODS: Surgically resected human glioblastoma samples from 40 patients who underwent surgery at our institute were extracted from their histopathological specimens and divided into three groups. Ten histopathologically regular cerebral tissue, which acquired from the non-neoplastic portion of the specimens were assigned as the control group...
February 21, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28343135/monodisperse-ag-pd-core-shell-nanoparticles-assembled-on-reduced-graphene-oxide-as-highly-efficient-catalysts-for-the-transfer-hydrogenation-of-nitroarenes
#6
Önder Metin, Hasan Can, Kıvılcım Şendil, Mehmet Serdar Gültekin
Addressed herein is a facile seed-mediated synthesis of Ag/Pd core/shell nanoparticles (NPs) and their assembly on reduced graphene oxide (rGO) to catalyze the transfer hydrogenation of nitroarenes to anilines using ammonia borane (AB) as a hydrogen donor under ambient conditions. Monodisperse Ag/Pd core/shell NPs with controllable Pd shell-thickness were synthesized by the means of thermal decomposition of palladium(II) bromide over as-prepared Ag NPs in the mixture of oleylamine and oleic acid at 220°C. As-synthesized Ag/Pd core/shell NPs were characterized by TEM, HR-TEM, XRD, XPS, UV-Vis spectroscopy and ICP-MS and then they were assembled on reduced graphene oxide (rGO)...
March 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28341657/effect-of-fixation-time-on-breast-biomarker-expression-a-controlled-study-using-cell-line-derived-xenografted-cdx-tumours
#7
K R Kao, T Hasan, A Baptista, T Truong, L Gai, A C Smith, S Li, P Gonzales, K Voisey, P Eriwvo, J Power, N Denic
AIMS: Altering the length of time specimens are placed in fixative without compromising analytical testing accuracy is a continuous challenge in the anatomical pathology lab. The aim of this study was to determine under controlled conditions the effects of variable fixation time on breast biomarker expression in human breast cancer cell line-derived xenografted (CDX) tumours. METHODS: CDX tumours using strong oestrogen receptor (ER)-positive, Her2-negative (MCF7) and weak ER-positive, Her2 equivocal (T47D) breast cancer cell lines were fixed for various times ranging from 1 to 336 hours in 10% neutral buffered formalin...
March 23, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28341426/corrigendum-to-management-of-undescended-testes-european-association-of-urology-european-society-for-paediatric-urology-guidelines-j%C3%A2-pediatr-urol-12-2016-335-343
#8
Christian Radmayr, Hasan S Dogan, Piet Hoebeke, Radim Kocvara, Rien Nijman, Selcuk Silay, Raimund Stein, Shabnam Undre, Serdar Tekgul
No abstract text is available yet for this article.
March 21, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28341106/the-apple-trial-feasibility-and-activity-of-azd9291-osimertinib-treatment-on-positive-plasma-t790m-in-egfr-mutant-nsclc-patients-eortc-1613
#9
Jordi Remon, Jessica Menis, Baktiar Hasan, Aleksandra Peric, Eleonora De Maio, Silvia Novello, Martin Reck, Thierry Berghmans, Bartosz Wasag, Benjamin Besse, Rafal Dziadziuszko
The AZD9291 (Osimertinib) Treatment on Positive PLasma T790M in EGFR-mutant NSCLC Patients (APPLE) trial is a randomized, open-label, multicenter, 3-arm, phase II study in advanced, epidermal growth factor receptor (EGFR)-mutant and EGFR tyrosine kinase inhibitor (TKI)-naive non-small-cell lung cancer (NSCLC) patients, to evaluate the best strategy for sequencing gefitinib and osimertinib treatment. Advanced EGFR-mutant NSCLC patients, with World Health Organization performance status 0-2 who are EGFR TKI treatment-naive and eligible to receive first-line treatment with EGFR TKI will be randomized to: In all arms, a plasmatic ctDNA T790M test will be performed by a central laboratory at the Medical University of Gdansk (Poland) but will be applied as a predictive marker for making treatment decisions only in arm B...
March 1, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28340768/sio2-coated-magnetic-graphene-oxide-modified-with-polypyrrole-polythiophene-a-novel-and-efficient-nanocomposite-for-solid-phase-extraction-of-trace-amounts-of-heavy-metals
#10
Karam Molaei, Hasan Bagheri, Ali Akbar Asgharinezhad, Homeira Ebrahimzadeh, Mojtaba Shamsipur
The synthesis of a novel nanocomposite comprised of SiO2-coated magnetic graphene oxide modified with a pyrrole-thiophene (mGO/SiO2@coPPy-Th) copolymer is reported in the present work. The nanocomposite was applied for the fast magnetic solid phase extraction (MSPE) of trace levels of copper, lead, chromium, zinc and cadmium from water and agricultural samples. The nanocomposite was prepared in three steps: (1) decoration of graphene oxide sheets with magnetite nanoparticles thorough a facile one-step chemical reaction strategy; (2) chemical grafting by a silica layer to obtain high stability in acidic solutions; and (3) surface modification by coPPy-Th via simultaneous oxidation polymerization of pyrrole and thiophene in the presence of mGO/SiO2 composite...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28339391/topical-ketamine-10-for-neuropathic-pain-in-spinal-cord-injury-patients-an-open-label-trial
#11
Joseph Rabi, Joshua Minori, Hasan Abad, Ray Lee, Michelle Gittler
Topical ketamine, an N-methyl-D-aspartate antagonist, has been shown to be effective in certain neuropathic pain syndromes. The objective of this study was to determine the efficacy of topical ketamine in spinal cord injury patients with neuropathic pain. An open label trial enrolled five subjects at an outpatient rehabilitation hospital with traumatic spinal cord injuries who had neuropathic pain at or below the level of injury. Subjects applied topical ketamine 10% three times a day for a two-week duration...
November 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28338309/impact-of-personalized-three-dimensional-3d-printed-pelvicalyceal-system-models-on-patient-information-in-percutaneous-nephrolithotripsy-surgery-a-pilot-study
#12
Hasan Anil Atalay, H Lütfi Canat, Volkan Ülker, İlter Alkan, Ünsal Özkuvanci, Fatih Altunrende
OBJECTIVE: To investigate the impact of personalized three dimensional (3D) printed pelvicalyceal system models on patient information before percutaneous nephrolithotripsy surgery. MATERIAL AND METHODS: Patients with unilateral complex renal stones with indicatation of percutaneous nephrolithotripsy surgery were selected. Usable data of patients were obtained from CT scans as Digital Imaging and Communications in Medicine (DICOM) format. Mimics software version 16...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338301/analgesia-for-patients-undergoing-shockwave-lithotripsy-for-urinary-stones-a-systematic-review-and-meta-analysis
#13
Omar M Aboumarzouk, Rami Hasan, Ali Tasleem, Martin Mariappan, Rachael Hutton, John Fitzpatrick, Laura Beatty, Gareth E Jones, Tarik Amer
BACKGROUND: Shock wave lithotripsy (SWL) is the first line treatment modality for a significant proportion of patients with upper urinary tracts stones. Simple analgesics, opioids and non-steroidal anti-inflammatory drugs (NSAIDs) are all suitable agents but the relative efficacy and tolerability of these agents is uncertain. OBJECTIVES: To determine the efficacy of the different types of analgesics used for the control of pain during SWL for urinary stones. MATERIALS AND METHODS: We searched the Cochrane Renal Group's Specialised Register, MEDLINE, EMBASE and also hand-searched reference lists of relevant articles (Figure-1)...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28337678/cation-%C3%AF-interactions-in-competition-with-cation-microhydration-a-theoretical-study-of-alkali-metal-cation-pyrene-complexes
#14
Hasan Pašalić, Adelia J A Aquino, Daniel Tunega, Georg Haberhauer, Martin H Gerzabek, Hans Lischka
Cation-π interactions were systematically investigated for the adsorption of H(+) and alkali metal cations M(+) to pyrene by means of Møller-Plesset perturbation theory (MP2) and density functional theory (DFT). The main aims were to determine the preferred adsorption sites and how the microhydration shell influences the adsorption process. The preferred adsorption sites were characterized in terms of structural parameters and energetic stability. Stability analysis of the M(+)-pyrene complexes revealed that the binding strength and the barrier to transitions between neighboring sites generally decreased with increasing cation size from Li(+) to Cs(+)...
April 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28336806/fluorouracil-enhances-photodynamic-therapy-of-squamous-cell-carcinoma-via-a-p53-independent-mechanism-that-increases-protoporphyrin-ix-levels-and-tumor-cell-death
#15
Sanjay Anand, Kishore R Rollakanti, Niokelta Brankov, Douglas E Brash, Tayyaba Hasan, Edward V Maytin
Photodynamic therapy (PDT), using 5-aminolevulinic acid (ALA) to drive synthesis of protoporphryin IX (PpIX) is a promising, scar-free alternative to surgery for skin cancers, including squamous cell carcinoma (SCC) and SCC precursors called actinic keratoses (AK). In the United States, PDT is only FDA approved for treatment of AK; this narrow range of indications could be broadened if PDT efficacy were improved. Toward that goal, we developed a mechanism-based combination approach using 5-fluorouracil (5-FU) as a neoadjuvant for ALA-based PDT...
March 23, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28336764/anti-hyperglycemic-activity-of-moringa-oleifera-is-partly-mediated-by-carbohydrase-inhibition-and-glucose-fiber-binding
#16
Sohel Bin Azad, Prawej Ansari, Shermin Akter, Saad Mosharraf Hossain, Shofiul Azam, Fahima Faroque Archi, Mahmudul Hasan, Jma Hannan
Background:Moringa oleifera has potential anti-hyperglycemic effects that is reported earlier by different scientific group using animal diabetic models. We aimed to explore the possible mechanism of action of M. oleifera extract through different method. Methods : Primarily we measured Fasting Blood Glucose and performed Glucose Tolerance Test, in type 2 diabetic rats. Further we studied the effect of extracts on pancreatic insulin concentration. Extracts effect on carbohydrate break down was assayed using α-amylase inhibition assays and assay of GI tracts six different segments...
March 23, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28332600/calmodulin-is-responsible-for-ca-2-dependent-regulation-of-trpa1-channels
#17
Raquibul Hasan, Alasdair T S Leeson-Payne, Jonathan H Jaggar, Xuming Zhang
TRPA1 is a Ca(2+)-permeable ion channel involved in many sensory disorders such as pain, itch and neuropathy. Notably, the function of TRPA1 depends on Ca(2+), with low Ca(2+) potentiating and high Ca(2+) inactivating TRPA1. However, it remains unknown how Ca(2+) exerts such contrasting effects. Here, we show that Ca(2+) regulates TRPA1 through calmodulin, which binds to TRPA1 in a Ca(2+)-dependent manner. Calmodulin binding enhanced TRPA1 sensitivity and Ca(2+)-evoked potentiation of TRPA1 at low Ca(2+), but inhibited TRPA1 sensitivity and promoted TRPA1 desensitization at high Ca(2+)...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332303/measure-accurately-act-rapidly-and-partner-with-patients-an-intuitive-and-practical-three-part-framework-to-guide-efforts-to-improve-hypertension-control
#18
Romsai T Boonyasai, Michael K Rakotz, Lisa H Lubomski, Donna M Daniel, Jill A Marsteller, Kathryn S Taylor, Lisa A Cooper, Omar Hasan, Matthew K Wynia
Hypertension is the leading cause of cardiovascular disease in the United States and worldwide. It also provides a useful model for team-based chronic disease management. This article describes the M.A.P. checklists: a framework to help practice teams summarize best practices for providing coordinated, evidence-based care to patients with hypertension. Consisting of three domains-Measure Accurately; Act Rapidly; and Partner With Patients, Families, and Communities-the checklists were developed by a team of clinicians, hypertension experts, and quality improvement experts through a multistep process that combined literature review, iterative feedback from a panel of internationally recognized experts, and pilot testing among a convenience sample of primary care practices in two states...
March 23, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28332137/correction-of-dilutional-anemia-induces-renal-dysfunction-in-diabetic-patients-undergoing-coronary-artery-bypass-grafting-a-consequence-of-microcirculatory-alterations
#19
Güçlü Aykut, Meltem Kilercik, Cem Arıtürk, Halim Ulugöl, Uğur Aksu, Türkan Kudsioğlu, Nazan Atalan, Nihan Yapıcı, Hasan Karabulut, Fevzi Toraman
BACKGROUND: In this study we aimed to evaluate the effects of dilutional anemia resulting from cardiopulmonary bypass (CPB) and its correction with red blood cell (RBC) transfusion on tissue oxygenation and renal function in diabetic patients undergoing coronary artery bypass grafting (CABG). METHOD: 70 diabetic patients who underwent elective CABG and whose hematocrit values had been between 24-28% at any time during CBP were prospectively randomized and equally allocated to two groups: patients who received RBC during CPB (group I, n = 35) vs...
March 22, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28332056/allelopathic-interference-of-alfalfa-medicago-sativa-l-genotypes-to-annual-ryegrass-lolium-rigidum
#20
Hasan Muhammad Zubair, James E Pratley, G A Sandral, A Humphries
Alfalfa (Medicago sativa L.) genotypes at varying densities were investigated for allelopathic impact using annual ryegrass (Lolium rigidum) as the target species in a laboratory bioassay. Three densities (15, 30, and 50 seedlings/beaker) and 40 alfalfa genotypes were evaluated by the equal compartment agar method (ECAM). Alfalfa genotypes displayed a range of allelopathic interference in ryegrass seedlings, reducing root length from 5 to 65%. The growth of ryegrass decreased in response to increasing density of alfalfa seedlings...
March 22, 2017: Journal of Plant Research
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