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https://www.readbyqxmd.com/read/28641368/glomerular-hyperfiltration-in-obese-african-american-hypertensive-patients-is-associated-with-elevated-urinary-mitochondrial-dna-copy-number
#1
Alfonso Eirin, Ahmed Saad, John R Woollard, Luis A Juncos, David A Calhoun, Hui Tang, Amir Lerman, Stephen C Textor, Lilach O Lerman
BACKGROUND: Glomerular hyperfiltration may contribute to the high incidence of renal disease in Obese African Americans essential hypertensive (ObAAEH) patients, but the precise mechanisms responsible for renal injury have not been elucidated. Mitochondria are important determinants of renal injury in hypertension, and increased levels of mitochondrial DNA (mtDNA) in the urine may indicate renal mitochondrial injury. We hypothesized that urine mtDNA copy numbers would be higher in ObAAEH compared to Caucasian essential hypertensive (CEH) patients...
June 14, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28641143/spectroscopic-and-thermodynamic-studies-of-light-harvesting-perylenediimide-derivative-zinc-porphyrin-complex-in-aqueous-media
#2
Ahmed El-Refaey, Shaban Y Shaban, Maged El-Kemary, Mohamed E El-Khouly
Self-assembly of perylene derivative such as N,N'-bis(2(trimethylammonium iodide) ethylene)perylene-3,4,9,10-tetracarboxyldiimide (TAIPDI) can produce one-dimensional form (1D) in an aqueous media. The ability of one-dimensional TAIPDI to form light harvesting complex with water-soluble zinc porphyrin (ZnTPPS4) via the π-π and electrostatic interactions has been described. Owing to electronic interactions between the π-systems, the complex formation is accompanied by pronounced absorption spectral changes in the UV/Vis absorption bands...
June 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28641136/age-exacerbates-abnormal-protein-expression-in-a-mouse-model-of-down-syndrome
#3
Md Mahiuddin Ahmed, Aaron Block, Suhong Tong, Muriel T Davisson, Katheleen J Gardiner
The Ts65Dn is a popular mouse model of Down syndrome (DS). It displays DS-relevant features of learning/memory deficits and age-related loss of functional markers in basal forebrain cholinergic neurons. Here we describe protein expression abnormalities in brain regions of 12-month-old male Ts65Dn mice. We show that the magnitudes of abnormalities of human chromosome 21 and non-human chromosome 21 orthologous proteins are greater at 12 months than at ∼6 months. Age-related exacerbations involve the number of components affected in the mechanistic target of rapamycin pathway, the levels of components of the mitogen-activated protein kinase pathway, and proteins associated with Alzheimer's disease...
May 10, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28641033/evaluation-of-planned-bicanalicular-nasolacrimal-tube-retention-in-treating-punctal-stenosis-or-occlusion-secondary-to-trachoma
#4
Rania A Ahmed, Ahmed M Kamal, Mohamed A Zayed
This article evaluates retaining bicanalicular silicone nasolacrimal tube in patients susceptible to restenosis after punctoplasty. Sixty-nine eyes (38 patients) suffering from epiphora due to stenosis or occlusion of both punctae were included in this prospective study. All had 3 snip punctoplasty and bicanalicular silicone nasolacrimal duct insertion. Cases associated with proximal canalicular stenosis or obstructions were excluded. Tolerance to tube presence until the time of loss or removal was evaluated using a score (0 to 2)...
June 22, 2017: Orbit
https://www.readbyqxmd.com/read/28640888/mechanisms-of-acute-neurovascular-protection-with-at1-blockade-after-stroke-effect-of-prestroke-hypertension
#5
Ahmed Alhusban, Anna Kozak, Bindu Pillai, Heba Ahmed, Mohammed A Sayed, Maribeth H Johnson, Tauheed Ishrat, Adviye Ergul, Susan C Fagan
Stroke is a leading cause of adult disability worldwide. Improving stroke outcome requires an orchestrated interplay that involves up regulation of pro-survival pathways and a concomitant suppression of pro-apoptotic mediators. In this investigation, we assessed the involvement of eNOS in the AT1 blocker-mediated protective and pro-recovery effects in animals with hypertension. We also evaluated the effect of acute eNOS inhibition in hypertensive animals. To achieve these goals, spontaneously hypertensive rats (SHR) were implanted with blood pressure transmitters, and randomized to receive either an eNOS inhibitor (L-NIO) or saline one hour before cerebral ischemia induction...
2017: PloS One
https://www.readbyqxmd.com/read/28640723/intravitreal-injections-service-a-patient-experience-evaluation
#6
Hani Hasan, Sarah Flockhart, Waseem Qureshi, Selina Khan, Shahina Ahmed, Nimish Shah
INTRODUCTION: This survey has been conducted following the introduction of nurse-led intravitreal injections clinics at the Great Western Hospital. A team of 5 nurses regularly carry out an average of 90 injections per week. METHODS: A series of 169 consecutive injection patients have been offered the study questionnaire between 28 January 2016 and 28 February 2016; patients with no previous experience with a nurse injector were excluded. RESULTS: 76...
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28637343/health-and-demographic-surveillance-system-hdss-in-matlab-bangladesh
#7
Nurul Alam, Taslim Ali, Abdur Razzaque, Mahfuzur Rahman, M Zahirul Haq, Sajal K Saha, Ali Ahmed, A M Sarder, M Moinuddin Haider, Mohammad Yunus, Quamrun Nahar, Peter Kim Streatfield
No abstract text is available yet for this article.
June 13, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28637300/commercial-rodent-diets-differentially-regulate-autoimmune-glomerulonephritis-epigenetics-and-microbiota-in-mrl-lpr-mice
#8
Michael R Edwards, Rujuan Dai, Bettina Heid, Thomas E Cecere, Deena Khan, Qinghui Mu, Catharine Cowan, Xin M Luo, S Ansar Ahmed
The course and severity of lupus in spontaneous murine lupus models varies among laboratories, which may be due to variations in diet, housing and/or local environmental conditions. In this study, we investigated the influence of common rodent diets while keeping other factors constant. Female lupus-prone MRL/lpr mice were subjected to the same housing conditions and given one of the three diets: Teklad 7013 containing isoflavone rich soy and alfalfa, Harlan 2018 isoflavone rich soy-based diet, or ResearchDiets Inc...
June 15, 2017: International Immunology
https://www.readbyqxmd.com/read/28637130/community-integration-and-life-satisfaction-among-individuals-with-spinal-cord-injury-living-in-the-community-after-receiving-institutional-care-in-bangladesh
#9
Nayeema Ahmed, Mohammad Morshedul Quadir, Mohammad Akhlasur Rahman, Hasanat Alamgir
PURPOSE: This study reports level of community integration and life satisfaction among individuals who sustained traumatic spinal cord injuries, received institutional rehabilitation care services, and went back to live in the community in Bangladesh. It examines the impact of type of injury, demographic characteristics, socio-economic profile, and secondary health conditions on community integration and life satisfaction and explores the association between these two measures. METHOD: Individuals with spinal cord injury were telephone interviewed by the Centre for the Rehabilitation of the Paralysed, Bangladesh from February to June of 2014...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637109/closing-the-dura-dural-hitching-versus-surgicel-and-tisseel-overlay-graft-in-craniocervicaldecompression-for-chiari-1-malformation
#10
Michael Tonkins, Naeem Farooqi, Rohan Ahmed, Saurabh Sinha, Debapriya Bhattacharyya
BACKGROUND: This study compares dural hitching to surgicel and tisseel overlay graft following craniocervical decompression and C1 laminectomy with simple durotomy for Chiari I malformation. Outcome measures were syrinx decompression, headache resolution and complication rates. METHODS: A retrospective analysis of case notes was conducted. Patients who had undergone craniocervical decompression (CCD) were grouped by method of dural closure. Outcomes compared were rates of syrinx decompression, headache resolution, and post-operative complications...
March 2, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28636998/physiologically-based-pharmacokinetic-modeling-for-predicting-irinotecan-exposure-in-human-body
#11
Yingfang Fan, Najia Mansoor, Tasneem Ahmad, Rafeeq Alam Khan, Martin Czejka, Syed Sharib, Dong-Hua Yang, Mansoor Ahmed
Colorectal cancer is the third leading cause of cancer-related deaths in the United States. Treatment of colorectal cancer remains a challenge to clinicians as well as drug developers. Irinotecan, a Camptothecin derivative, is successfully used for the treatment of this rapidly progressing malignancy and finds its place in the first line of therapeutic agents. Irinotecan is also effective in treating SCLC, malignant glioma and pancreatic adenocarcinoma. However, its adverse effects limit its clinical application...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636674/behavior-change-communication-activities-improve-infant-and-young-child-nutrition-knowledge-and-practice-of-neighboring-non-participants-in-a-cluster-randomized-trial-in-rural-bangladesh
#12
John Hoddinott, Ishita Ahmed, Akhter Ahmed, Shalini Roy
OBJECTIVE: To examine the impact on infant and young child nutrition knowledge and practice of mothers who were neighbors of mothers participating in a nutrition Behavior Change Communication (BCC) intervention in rural Bangladesh. METHODS: We analyzed data from 300 mothers whose neighbor participated in a nutrition BCC intervention and 600 mothers whose neighbor participated in an intervention that did not include BCC. We constructed measures capturing mothers' knowledge of infant and young child nutrition (IYCN) and measures of food consumption by children 6-24m...
2017: PloS One
https://www.readbyqxmd.com/read/28636408/pattern-visual-evoked-potential-pattern-electroretinogram-and-retinal-nerve-fiber-layer-thickness-in-patients-with-migraine-during-and-after-aura
#13
Amany Abd El-Fattah El-Shazly, Yousra Ahmed Farweez, Momen Mahmoud Hamdi, Noha Ezzat El-Sherbiny
PURPOSE: To study pattern visual evoked potential (PVEP), pattern electroretinogram (PERG), and retinal nerve fiber layer (RNFL) thickness in patients with migraine during and after aura. MATERIALS AND METHODS: We included 60 eyes of 60 patients with migraine (Group 1) and 30 healthy volunteers (30 eyes) as controls (Group 2). Group 1 was studied twice, during a visual aura (1-a) and in between attacks (1-b). All participants underwent full ophthalmological examination, PVEP, PERG, and optical coherence tomographyOCT imaging of the RNFL thickness for each patient...
June 21, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28636367/cobalt-catalyzed-regioselective-ortho-c-sp2-h-bond-nitration-of-aromatics-through-proton-coupled-electron-transfer-pcet-assistance
#14
Desaboini Nageswar Rao, Sk Rasheed, Gaurav Raina, Qazi Naveed Ahmed, Chaitanya Kumar Jaladanki, Prasad V Bharatam, Parthasarathi Das
A cobalt-catalyzed proton-coupled electron transfer (PCET) mediated regioselective ortho-specific nitration of aromatic C(sp2)-H bonds using chelation assisted removable vicinal diamine directing groups has been developed. The reaction proceeded under mild conditions in the presence of Co(OAc)2•4H2O as the catalyst and AgNO2 utilized as nitro source as well as terminal oxidant in the presence of O2 as a external oxidant, no external base and additives were required for this process. By doing controlled experiments and mechanistic investigations with DFT calculations revealed that the reaction proceeds through PCET promoted nitro functional group transfer pathway...
June 21, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28635645/cembrene-diterpenoids-with-ether-linkages-from-sarcophyton-ehrenbergi-an-anti-proliferation-and-molecular-docking-assessment
#15
Mohamed-Elamir F Hegazy, Abdelsamed I Elshamy, Tarik A Mohamed, Ahmed R Hamed, Mahmoud A A Ibrahim, Shinji Ohta, Paul W Paré
Three new cembrene diterpenoids, sarcoehrenbergilid A-C (1-3), along with four known diterpenoids, sarcophine (4), (+)-7α,8β-dihydroxydeepoxysarcophine (5), sinulolide A (6), and sinulolide B (7), and one steroid, sardisterol (8), were isolated and characterized from a solvent extract of the Red Sea soft coral Sarcophyton ehrenbergi. Chemical structures were elucidated by NMR and MS analyses with absolute stereochemistry determined by X-ray analysis. Since these isolated cembrene diterpenes contained 10 or more carbons in a large flexible ring, conformer stabilities were examined based on density functional theory calculations...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635567/management-of-neobladder-complications-endoscopy-comes-first
#16
Ahmed M Moeen, Ahmed S Safwat, Ahmad A Elderwy, Hosny M Behnsawy, Mahmoud M Osman, Diaa A Hameed
OBJECTIVE: The aim of this study was to report the functional outcome after endoscopic management of neobladder complications. MATERIALS AND METHODS: Out of 197 patients who underwent radical cystectomy and orthotopic ileal neobladder reconstruction between 2007 and 2013, 30 patients with delayed postoperative complications were enrolled in this study. Complications were in the form of: eight patients with outflow obstruction, 12 with ureteroenteric stricture, nine with neobladder calculi and one with an isolated recurrent papillary tumor inside the neobladder...
February 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28635533/the-burden-of-endometriosis-symptoms-on-health-related-quality-of-life-in-women-in-the-united-states-a-cross-sectional-study
#17
Ahmed M Soliman, Karin S Coyne, Erica Zaiser, Jane Castelli-Haley, Mahesh J Fuldeore
INTRODUCTION: To examine the symptomatic burden of endometriosis on health-related quality of life (HRQL) in women in the United States (US). METHODS: A cross sectional web-based survey study was conducted among women using survey panels. The survey included study-specific questions and standardized HRQL questionnaires. Participants reviewed a list of endometriosis symptoms and selected all symptoms they had ever or were currently experiencing. For current symptoms, participants rated the severity and bothersomeness of each symptom...
February 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635307/synthesis-evaluation-and-modeling-of-some-triazolothienopyrimidinones-as-anti-inflammatory-and-antimicrobial-agents
#18
Adnan A Bekhit, Ahmed M Farghaly, Ragab M Shafik, Mona Ma Elsemary, Mai S El-Shoukrofy, Alaa El-Din A Bekhit, Tamer M Ibrahim
AIM: New triazolotetrahydrobenzothienopyrimidinone derivatives were synthesized. EXPERIMENTAL: Their structures were confirmed, and their anti-inflammatory, antimicrobial activities and ulcerogenic potentials were evaluated. RESULTS: Compounds 7a, 10a and 11a showed minimal ulcerogenic effect and high selectivity toward human recombinant COX-2 over COX-1 enzyme with IC50 values of 1.39, 1.22 and 0.56 μM, respectively. Their docking outcome correlated with their biological activity and confirmed the high selectivity binding toward COX-2...
June 21, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28635100/a-new-system-for-classifying-accessory-canal-morphology
#19
REVIEW
H M A Ahmed, P Neelakantan, P M H Dummer
Thorough knowledge of the anatomical complexities of the root canal system has a direct impact on the effectiveness of canal preparation and filling, and is an essential prerequisite for successful root canal treatment. A wide range of complex variations in root canal anatomy exists, including root canal configuration type, developmental anomalies and more minor canal morphology such as accessory canals and apical deltas. Accessory canals and apical deltas have been associated with pulp disease, primary canal infection, canal reinfection and post-treatment disease...
June 21, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28634848/erratum-to-towards-novel-cry-toxins-with-enhanced-toxicity-broader-a-new-chimeric-cry4ba-cry1ac-toxin
#20
Raida Zribi Zghal, Jihen Elleuch, Mamdouh Ben Ali, Frédéric Darriet, Ahmed Rebaï, Fabrice Chandre, Samir Jaoua, Slim Tounsi
No abstract text is available yet for this article.
June 20, 2017: Applied Microbiology and Biotechnology
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