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https://www.readbyqxmd.com/read/28081144/digital-health-tracking-physiomes-and-activity-using-wearable-biosensors-reveals-useful-health-related-information
#1
Xiao Li, Jessilyn Dunn, Denis Salins, Gao Zhou, Wenyu Zhou, Sophia Miryam Schüssler-Fiorenza Rose, Dalia Perelman, Elizabeth Colbert, Ryan Runge, Shannon Rego, Ria Sonecha, Somalee Datta, Tracey McLaughlin, Michael P Snyder
A new wave of portable biosensors allows frequent measurement of health-related physiology. We investigated the use of these devices to monitor human physiological changes during various activities and their role in managing health and diagnosing and analyzing disease. By recording over 250,000 daily measurements for up to 43 individuals, we found personalized circadian differences in physiological parameters, replicating previous physiological findings. Interestingly, we found striking changes in particular environments, such as airline flights (decreased peripheral capillary oxygen saturation [SpO2] and increased radiation exposure)...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28079268/renoprotective-effect-of-hypericum-perforatum-against-diabetic-nephropathy-in-rats-insights-in-the-underlying-mechanisms
#2
Dalia M Abd El Motteleb, Dalia I Abd El Aleem
Oxidative stress and inflammation play a key role in the initiation and progression of diabetic nephropathy (DN). The present study aimed to investigate the possible protective effect of hypericum perforatum (HP) against DN. Rats were allocated into six groups; control: received normal saline, diabetic untreated (DM): received single dose of streptozotocin (STZ) after injection of nicotinamide (NA), gliclazide: received STZ,NA+ gliclazide (10mg/kg), DM+HP50, DM+HP100, DM+HP200:received STZ,NA and HP 50, 100, 200 mg/kg respectively...
January 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28075566/chilling-stress-upregulates-%C3%AE-linolenic-acid-oxidation-pathway-and-induces-volatiles-of-c6-and-c9-aldehydes-in-mango-fruit
#3
Velu Sivankalyani, Itay Maoz, Oleg Feygenberg, Dalia Maurer, Noam Alkan
Mango-fruit storage period and shelf life are prolonged by cold storage. However, chilling temperature induces physiological and molecular changes, compromising fruit quality. In our previous transcriptomic study of mango fruit, cold storage at suboptimal temperature (5 °C) activated the α-linolenic acid metabolic pathway. To evaluate changes in fruit quality during chilling, we analyzed mango "Keitt" fruit peel volatiles. GC-MS analysis revealed significant modulations in fruit volatiles during storage at suboptimal temperature...
January 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28074113/genetic-polymorphisms-of-human-cytochrome-p450-cyp1a1-in-an-egyptian-population-and-tobacco-induced-lung-cancer
#4
Nada Ezzeldin, Dalia El-Lebedy, Amira Darwish, Ahmed El-Bastawisy, Mirhane Hassan, Shereen Abd El-Aziz, Mohamed Abdel-Hamid, Amal Saad-Hussein
BACKGROUND: Cytochrome P450 CYP1A1 helps detoxify the potential carcinogens in tobacco smoke, it was reported that polymorphisms in the coding gene result in variation in the expression and activity levels which alter metabolism and clearance of carcinogens and therefore modify cancer risk. In this work, we aimed to identify CYP1A1 gene polymorphisms associated with lung cancer in Egyptian population and to examine the interaction effect with Tobacco smoking in modulating disease risk...
2017: Genes and Environment: the Official Journal of the Japanese Environmental Mutagen Society
https://www.readbyqxmd.com/read/28071805/antioxidant-and-chelating-capacity-of-maillard-reaction-products-in-amino-acid-sugar-model-systems-applications-for-food-processing
#5
Blanca A Mondaca-Navarro, Luz A Ávila-Villa, Aaron F Gonzalez-Córdova, Jaime Lopez-Cervantes, Dalia I Sanchez-Machado, Olga C Campas-Baypoli, Roberto Rodríguez-Ramírez
BACKGROUND: Maillard reaction products (MRP) have gained increasing interest due to their both positive and negative effects on human health. Aqueous amino acid-sugar model systems were studied in order to evaluate the antioxidant and chelating activity of MRP under conditions similar to those of food processing. Amino acids (cysteine, glycine, isoleucine and lysine) combined with different sugars (fructose or glucose) were heated to 100 and 130 °C for 30, 60 and 90 min. Antioxidant capacity was evaluated via ABTS and DPPH free radical scavenging assays, in addition to the Fe(+2) and Cu(+2) ion chelating capacity...
January 10, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28068234/radiation-dose-dependent-hippocampal-atrophy-detected-with-longitudinal-volumetric-magnetic-resonance-imaging
#6
Tyler M Seibert, Roshan Karunamuni, Hauke Bartsch, Samar Kaifi, Anitha Priya Krishnan, Yoseph Dalia, Jeffrey Burkeen, Vyacheslav Murzin, Vitali Moiseenko, Joshua Kuperman, Nathan S White, James B Brewer, Nikdokht Farid, Carrie R McDonald, Jona A Hattangadi-Gluth
PURPOSE: After radiation therapy (RT) to the brain, patients often experience memory impairment, which may be partially mediated by damage to the hippocampus. Hippocampal sparing in RT planning is the subject of recent and ongoing clinical trials. Calculating appropriate hippocampal dose constraints would be improved by efficient in vivo measurements of hippocampal damage. In this study we sought to determine whether brain RT was associated with dose-dependent hippocampal atrophy. METHODS AND MATERIALS: Hippocampal volume was measured with magnetic resonance imaging (MRI) in 52 patients who underwent fractionated, partial brain RT for primary brain tumors...
February 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28065833/standardizing-abortion-research-outcomes-star-a-protocol-for-developing-disseminating-and-implementing-a-core-outcome-set-for-medical-and-surgical-abortion
#7
Katherine C Whitehouse, Caron R Kim, Bela Ganatra, James M N Duffy, Jennifer Blum, Dalia Brahmi, Mitchell D Creinin, Teresa DePiñeres, Kristina Gemzell-Danielsson, Daniel Grossman, Beverly Winikoff, A Metin Gülmezoglu
BACKGROUND: Abortion is one of the most common events in women's healthcare worldwide. Currently there is no standardization for the selection and reporting of outcomes in abortion clinical trials. This heterogeneity in clinical trials can make it difficult to draw meaningful conclusions across studies. OBJECTIVE: We aim to develop, disseminate, and implement a core outcome set (COS) for medical and surgical abortion trials. MATERIALS & METHODS: To guide this project, we have assembled a local study management team and an international advisory group including abortion providers, researchers, methodologists, and abortion clients...
January 5, 2017: Contraception
https://www.readbyqxmd.com/read/28065418/second-line-chemotherapy-in-older-patients-with-metastatic-urothelial-carcinoma-pooled-analysis-of-10-second-line-studies
#8
Samer Salah, Jae-Lyun Lee, Antonio Rozzi, Hiroshi Kitamura, Kazumasa Matsumoto, Daniel J Vis, Sandy Srinivas, Rafael Morales-Barrera, Joan Carles, Dalia Al-Rimawi, Soonil Lee, Ki Hong Kim, Kouji Izumi, Jeremy Lewin
BACKGROUND: Older patients with metastatic urothelial carcinoma (UC) are under-represented in clinical trials, and data regarding outcomes for second-line therapy is limited. MATERIALS AND METHODS: Individual data for patients with metastatic UC, aged ≥ 70 years, were pooled from 10 second-line studies. The influence of potential prognostic factors on overall survival (OS) was assessed via univariate and multivariate Cox regression analysis. RESULTS: In total, 102 patients were included; the median age was 74...
December 22, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28063255/targeting-of-the-fun30-nucleosome-remodeller-by-the-dpb11-scaffold-facilitates-cell-cycle-regulated-dna-end-resection
#9
Susanne Cs Bantele, Pedro Ferreira, Dalia Gritenaite, Dominik Boos, Boris Pfander
DNA double strand breaks (DSBs) can be repaired by either recombination-based or direct ligation-based mechanisms. Pathway choice is made at the level of DNA end resection, a nucleolytic processing step, which primes DSBs for repair by recombination. Resection is thus under cell cycle control, but additionally regulated by chromatin and nucleosome remodellers. Here we show that both layers of control converge in the regulation of resection by the evolutionarily conserved Fun30/SMARCAD1 remodeller. Yeast Fun30 and human SMARCAD1 are cell cycle-regulated by interaction with the DSB-localized scaffold proteins Dpb11 and TOPBP1, respectively...
January 7, 2017: ELife
https://www.readbyqxmd.com/read/28060956/technical-insights-into-highly-sensitive-isolation-and-molecular-characterization-of-fixed-and-live-circulating-tumor-cells-for-early-detection-of-tumor-invasion
#10
Sophie Laget, Lucile Broncy, Katia Hormigos, Dalia M Dhingra, Fatima BenMohamed, Thierry Capiod, Magne Osteras, Laurent Farinelli, Stephen Jackson, Patrizia Paterlini-Bréchot
Circulating Tumor Cells (CTC) and Circulating Tumor Microemboli (CTM) are Circulating Rare Cells (CRC) which herald tumor invasion and are expected to provide an opportunity to improve the management of cancer patients. An unsolved technical issue in the CTC field is how to obtain highly sensitive and unbiased collection of these fragile and heterogeneous cells, in both live and fixed form, for their molecular study when they are extremely rare, particularly at the beginning of the invasion process. We report on a new protocol to enrich from blood live CTC using ISET® (Isolation by SizE of Tumor/Trophoblastic Cells), an open system originally developed for marker-independent isolation of fixed tumor cells...
2017: PloS One
https://www.readbyqxmd.com/read/28053594/comparative-morphological-and-anatomical-characters-of-cakile-arabica-from-different-habitat-in-eastern-region-of-saudi-arabia
#11
Wafa'a A Al-Taisan, Dalia G Gabr
Morphological, anatomical and physiological plasticity was examined for Cakile arabica from three different sites at the coastal part of the Arabian Gulf near Ad Dammam city in the eastern region of Saudi Arabia. Morphological investigation showed that the size and number of lobes of the leaves are increased in sites (I) which have high salt stress. Also anatomical investigation using a light microscope showed that the plant is adaptive for salt stress by increasing the thickening of the cuticle or epidermis layer and increase in the area of vascular bundles...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28040567/effects-of-age-and-sex-on-fatigability-and-recovery-from-a-sustained-maximal-isometric-voluntary-contraction
#12
Rima Solianik, Lina Kreivėnaitė, Vytautas Streckis, Dalia Mickevičienė, Albertas Skurvydas
The aim was to assess the effects of sex and age on fatigability and recovery from sustained maximal voluntary contraction (MVC) of the knee extensor muscles. The central (central activation ratio (CAR) and electrical activity amplitude) and peripheral (electrically evoked torque and muscle contractile properties) factors contributing to fatigue and recovery of 24 young adults (12 males) aged 23.2±3.6years and 20 older adults (12 males) aged 70.6±4.4years were compared. The increase in central and peripheral fatigue was greater (p⩽0...
December 20, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28034696/molecular-characterization-of-salmonella-typhimurium-isolated-in-brazil-by-crispr-mvlst
#13
Fernanda Almeida, Marta Inês Cazentini Medeiros, Dália Dos Prazeres Rodrigues, Marc W Allard, Juliana Pfrimer Falcão
CRISPR-multi-locus virulence sequence typing (CRISPR-MVLST) was performed to type 92 S. Typhimurium strains isolated from humans and food sources between 1983 and 2013 in Brazil and assess the suitability of this methodology comparing it with PFGE already used for subtyping the same strains. Among the 92 S. Typhimurium strains studied, we identified 25 CRISPR1 alleles, 27 CRISPR2 alleles, 2 fimH alleles and 3 sseL alleles showing that the genetic variability is much higher in the CRISPRs loci than in the virulence genes...
December 26, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28030672/the-fight-against-multidrug-resistant-bacteria
#14
Dalia Deak, John H Powers, Kevin Outterson, Aaron S Kesselheim
No abstract text is available yet for this article.
January 3, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28030387/the-top-health-care-policy-news-stories-of-2016
#15
Dalia Sofer
No abstract text is available yet for this article.
January 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28018587/case-controlled-study-on-indirect-hyperbilirubinemia-in-exclusively-breast-fed-neonates-and-mutations-of-the-bilirubin-uridine-diphosphate-glucuronyl-transferase-gene-1a1
#16
Amal E Mohammed, Eman G Behiry, Akram E El-Sadek, Waleed E Abdulghany, Dalia M Mahmoud, Abdelfattah A Elkholy
OBJECTIVE: This study aims to investigate the association of neonatal indirect hyperbilirubinemia in exclusively breast-fed infants with UGT1A1 (Uridine Diphosphate-Glucuronyl transferase 1A1) polymorphism. METHODS: 50 neonates were classified into 2 groups: 1) 30 full term neonates with indirect hyperbilirubinemia (gestational age (GA) 39.5 ± 1.2 weeks); 2) 20 apparently healthy full-term neonates. Group 1 was further subdivided based on percentage of body weight lost: (A) less than 10%; (B) 10% or more...
January 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28011778/mutual-enrichment-in-aggregated-ranked-lists-with-applications-to-gene-expression-regulation
#17
Dalia Cohn-Alperovich, Alona Rabner, Ilona Kifer, Yael Mandel-Gutfreund, Zohar Yakhini
No abstract text is available yet for this article.
December 22, 2016: Bioinformatics
https://www.readbyqxmd.com/read/28009888/synthesis-and-characterization-of-novel-li-stuffed-garnet-like-li5-2xla3ta2-xgdxo12-0-%C3%A2-x-%C3%A2-0-55-structure-property-relationships
#18
Dalia M Abdel Basset, Suresh Mulmi, Mohammed S El-Bana, Suzan S Fouad, Venkataraman Thangadurai
In this article, we report the preparation and characterization of novel Li-stuffed garnets Li5+2xLa3Ta2-xGdxO12 (0 ≤ x ≤ 0.55) for all-solid-state Li ion batteries. The conventional solid-state method was used to prepare Li5La3Ta2O12 in air at 1200 °C and Li5+2xLa3Ta2-xGdxO12 at 1150 °C. Rietveld refinements for the powder X-ray diffraction (PXRD) patterns confirmed the formation of a cubic garnet-like structure (space group Ia3[combining macron]d) with cell constant increased from 12.8176(4) Å (x = 0) to 12...
December 23, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28009408/peripapillary-choroidal-thickness-by-enhanced-depth-imaging-optical-coherence-tomography-the-impact-of-metabolic-syndrome
#19
Mónica Loureiro, Ana Cristina Braga, Dália Meira, Paula Sepúlveda, Luís Agrelos, Paulo Torres
PURPOSE: To assess the impact of metabolic syndrome (MetS) on the peripapillary choroidal thickness (PPCT) and to characterize the PPCT in a Portuguese population. METHODS: This prospective study included 104 eyes. Detailed medical and ophthalmic examinations were performed; the PPCT was measured by spectral-domain optical coherence tomography (SD-OCT) using enhanced depth imaging (EDI) modality. The PPCT changes with MetS, as well as with other clinical and demographic factors, were investigated...
November 21, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28009149/robotic-assisted-laparoscopic-radical-prostatectomy-following-transrectal-compared-to-transperineal-prostate-biopsy-surgical-oncological-and-functional-outcomes
#20
Karan Wadhwa, Giulio Patruno, Andrew Patterson, Tristan Barrett, Chandni Dalia, Brendan C Koo, Ferdia A Gallagher, Eva Serrao, Anne Warren, Vincent Gnanapragasam, Nimish Shah, Andrew Doble, Christof Kastner
BACKGROUND: To assess if transperineal prostate (TP) biopsy affects th e outcome of robotic-assisted laparoscopic prostatectomy (RALP), with particular reference to perioperative complications, oncological results and functional outcomes in the early postoperative setting. METHODS: We identified 61 men who had undergone RALP after TP biopsies, from June 2012 to June 2014 and a control group of 120 men who had undergone RALP after conventional TRUS biopsy in the same period...
February 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
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