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Ryan D Sheldon, Kayla M Kanosky, Kevin D Wells, Lili Miles, James W Perfield, Stavra Xanthakos, Thomas H Inge, R Scott Rector
BACKGROUND: Mechanisms responsible for progression of nonalcoholic fatty liver disease (NAFLD) to steatohepatitis (NASH) remain poorly defined. METHODS: To examine the potential contribution of adipose tissue to NAFLD progression, we performed a complete transcriptomic analysis using RNA-sequencing (RNA-seq) on intra-abdominal adipose tissue (IAT) from severely obese adolescents (Mage 16.9±0.4 yrs; BMI z-score 2.7±0.1) undergoing bariatric surgery and liver biopsy categorized into 3 groups; No steatosis (Normal, n=8), steatosis only (n=13), or NASH (n=10) by liver histology...
October 7, 2016: Physiological Genomics
Linda Garton, Amalie Dyda, Rebecca Guy, Bronwyn Silver, Skye McGregor, Belinda Hengel, Alice Rumbold, Debbie Taylor-Thomson, Janet Knox, Lisa Maher, John Kaldor, James Ward
Background: Extremely high rates of diagnosis of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) have been recorded in remote communities across northern and central Australia. Re-testing at 3 months, after treatment administered, of CT or NG is recommended to detect repeat infections and prevent morbidity and ongoing transmission. Methods: Baseline CT and NG laboratory data (2009-2010) from 65 remote health services participating in a cluster randomised trial was used to calculate the proportion of individuals re-tested after an initial CT or NG diagnosis at <2 months (not recommended), 2-4 months (recommended) and 5-12 months and the proportion with repeat positivity on re-test...
October 21, 2016: Sexual Health
Man Hu, Chenghao Zhu, Xiaoxing Li, Yongli Xu
Glaucoma is a serious disease that can cause complete, permanent blindness, and its early diagnosis is very difficult. In recent years, computer-aided screening and diagnosis of glaucoma has made considerable progress. The optic cup segmentation from fundus images is an extremely important part for the computer-aided screening and diagnosis of glaucoma. This paper presented an automatic optic cup segmentation method that used both color difference information and vessel bends information from fundus images to determine the optic cup boundary...
October 20, 2016: Bioengineered
Luis Figueroa-Yañez, Alejandro Pereira-Santana, Ana Arroyo-Herrera, Ulises Rodriguez-Corona, Felipe Sanchez-Teyer, Jorge Espadas-Alcocer, Francisco Espadas-Gil, Felipe Barredo-Pool, Enrique Castaño, Luis Carlos Rodriguez-Zapata
Plants respond to stress through metabolic and morphological changes that increase their ability to survive and grow. To this end, several transcription factor families are responsible for transmitting the signals that are required for these changes. Here, we studied the transcription factor superfamily AP2/ERF, particularly, RAP2.4 from Carica papaya cv. Maradol. We isolated four genes (CpRap2.4a, CpRAap2.4b, CpRap2.1 and CpRap2.10), and an in silico analysis showed that the four genes encode proteins that contain a conserved APETALA2 (AP2) domain located within group I and II transcription factors of the AP2/ERF superfamily...
2016: PloS One
Abdunoor M Kabanywanyi, Rita Baiden, Ali M Ali, Muhidin K Mahende, Bernhards R Ogutu, Abraham Oduro, Halidou Tinto, Margaret Gyapong, Ali Sie, Esperanca Sevene, Eusebio Macete, Seth Owusu-Agyei, Alex Adjei, Guillaume Compaoré, Innocent Valea, Isaac Osei, Abena Yawson, Martin Adjuik, Raymond Akparibo, Mwaka A Kakolwa, Salim Abdulla, Fred Binka
The antimalarial drug piperaquine is associated with delayed ventricular depolarization, causing prolonged QT interval (time taken for ventricular de-polarisation and re-polarisation). There is a lack of safety data regarding dihydroartemisinin/piperaquine (DHA/PPQ) for the treatment of uncomplicated malaria, which has limited its use. We created a platform where electrocardiograms (ECG) were performed in public hospitals for the safety assessment of DHA/PPQ, at baseline before the use of dihydroartemisinin/piperaquine (Eurartesim®), and on day 3 (before and after administration of the final dose) and day 7 post-administration...
2016: PloS One
Leyla Ismayilova, Eleni Gaveras, Austin Blum, Alexice Tô-Camier, Rachel Nanema
OBJECTIVES: Research about the mental health of children in Francophone West Africa is scarce. This paper examines the relationships between adverse childhood experiences, including exposure to violence and exploitation, and mental health outcomes among children living in ultra-poverty in rural Burkina Faso. METHODS: This paper utilizes baseline data collected from 360 children ages 10-15 and 360 of their mothers recruited from twelve impoverished villages in the Nord Region of Burkina, located near the Sahel Desert and affected by extreme food insecurity...
2016: PloS One
Émélie Laverdière, Hélène Payette, Pierrette Gaudreau, José A Morais, Bryna Shatenstein, Mélissa Généreux
OBJECTIVES: Extreme heat is known to increase heat-related health outcomes (HRHO). Incidence and predictors of HRHO were examined among older adults living in Quebec (Canada). METHOD: This prospective five-year study used data from the first follow-up of community-dwelling older adults from the NuAge cohort (2005-2006), located in three health regions of Southern Quebec. Medical, social and environmental factors, identified in Health Canada guidelines (2011), were used to develop the Older Adult Health Vulnerability Index (OAHVI)...
October 20, 2016: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
Yuki Ito, Eriko Shiraishi, Atsuko Kato, Takayuki Haino, Kouhei Sugimoto, Aikou Okamoto, Nao Suzuki
PURPOSE: To identify the utility and issues associated with the use of decision trees in oncofertility patient care in Japan. METHODS: A total of 35 women who had been diagnosed with cancer, but had not begun anticancer treatment, were enrolled. We applied the oncofertility decision tree for women published by Gardino et al. to counsel a consecutive series of women on fertility preservation (FP) options following cancer diagnosis. Percentage of women who decided to undergo oocyte retrieval for embryo cryopreservation and the expected live-birth rate for these patients were calculated using the following equation: expected live-birth rate = pregnancy rate at each age per embryo transfer × (1 - miscarriage rate) × No...
October 20, 2016: Journal of Adolescent and Young Adult Oncology
Johannes G de Vries
Several strategies can be chosen to convert renewable resources into chemicals. In this account, I exemplify the route that starts with so-called platform chemicals; these are relatively simple chemicals that can be produced in high yield, directly from renewable resources, either via fermentation or via chemical routes. They can be converted into the existing bulk chemicals in a very efficient manner using multistep catalytic conversions. Two examples are given of the conversion of sugars into nylon intermediates...
October 20, 2016: Chemical Record: An Official Publication of the Chemical Society of Japan ... [et Al.]
C-F Hsieh, P Alberton, E Loffredo-Verde, E Volkmer, M Pietschmann, P E Müller, M Schieker, D Docheva
Tendon's natural healing potential is extremely low and inefficient, with significant dysfunction and disability due to hypocellularity and hypovascularity of tendon tissues. The application of stem cells can aid in significantly enhanced repair of tendon rupture; therefore, the main aim of this study is to assess the potential of using periodontal ligament cells (PDL), usually obtained from patients undergoing orthodontic treatment, as a novel cell source for cell-based therapy for tendon injuries in a clinically relevant rat full-size Achilles tendon defect...
October 20, 2016: European Cells & Materials
M Stavel, J Wong, Z Cieslak, R Sherlock, M Claveau, P S Shah
OBJECTIVE: To determine the effect of concomitant administration of prophylactic indomethacin and early enteral feeds on the risk of spontaneous intestinal perforation (SIP) in extremely low-birth-weight (ELBW) infants, and to describe the variation in prophylactic indomethacin use in Canada. STUDY DESIGN: A retrospective cohort study of 4268 ELBW infants born at <30 weeks' gestation admitted to Canadian neonatal units between 2010 and 2014 was conducted. Prophylactic indomethacin (I+ or I-, administered within 24 h) and early feeding (E+ or E-, initiated in the first 2 days) exposures were studied concurrently and independently...
October 20, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Daryl C Yang, Jennifer R Deuis, Daniel Dashevsky, James Dobson, Timothy N W Jackson, Andreas Brust, Bing Xie, Ivan Koludarov, Jordan Debono, Iwan Hendrikx, Wayne C Hodgson, Peter Josh, Amanda Nouwens, Gregory J Baillie, Timothy J C Bruxner, Paul F Alewood, Kelvin Kok Peng Lim, Nathaniel Frank, Irina Vetter, Bryan G Fry
Millions of years of evolution have fine-tuned the ability of venom peptides to rapidly incapacitate both prey and potential predators. Toxicofera reptiles are characterized by serous-secreting mandibular or maxillary glands with heightened levels of protein expression. These glands are the core anatomical components of the toxicoferan venom system, which exists in myriad points along an evolutionary continuum. Neofunctionalisation of toxins is facilitated by positive selection at functional hotspots on the ancestral protein and venom proteins have undergone dynamic diversification in helodermatid and varanid lizards as well as advanced snakes...
October 18, 2016: Toxins
M J Lin, F Baky, B C Housley, N Kelly, E Pletcher, J D Balshi, S P Stawicki, D C Evans
INTRODUCTION: Clinical information continues to be limited regarding changes in the temporal risk profile for readmissions during the initial postoperative year in vascular surgery patients. We set out to describe the associations between demographics, clinical outcomes, comorbidity indices, and hospital readmissions in a sample of patients undergoing common extremity revascularization or dialysis access (ERDA) procedures. We hypothesized that factors independently associated with readmission will evolve from "short-term" to "long-term" determinants at 30-, 180-, and 360-day postoperative cutoff points...
October 2016: Journal of Postgraduate Medicine
Ivo Šafařík, Zdenka Maděrová, Kristýna Pospíšková, Hans-Peter Schmidt, Eva Baldíková, Jan Filip, Michal Křížek, Ondřej Malina, Mirka Šafaříková
Large amounts of biochar are produced worldwide for potential agricultural applications. However, this material can also be used as an efficient biosorbent for xenobiotics removal. In this work, biochar was magnetically modified using microwave-synthesized magnetic iron oxide particles. This new type of a magnetically responsive biocomposite material can be easily separated by means of strong permanent magnets. Magnetic biochar has been used as an inexpensive magnetic adsorbent for the removal of water-soluble dyes...
October 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Samuel L Chen, Matthew D Whealon, Nii-Kabu Kabutey, Isabella J Kuo, Roy M Fujitani
No abstract text is available yet for this article.
August 2016: Journal of Vascular Surgery
Nathan K Itoga, Tanner Kim, Anna M Sailer, Dominik Fleischmann, Matthew W Mell
No abstract text is available yet for this article.
August 2016: Journal of Vascular Surgery
A Frech, L Pellegrini, G Fraedrich, G Goebel, J Klocker
No abstract text is available yet for this article.
August 2016: Journal of Vascular Surgery
Sylwia Szotek, Joanna Dawidowicz, Brian Eyden, Natalia Matysiak, Aleksander Czogalla, Grzegorz Dudzik, Anna Leśniewicz, Krzysztof Maksymowicz
Fascia lata is an important element of the fascial system, which forms the continuum of connective tissue throughout the body. This deep fascia envelops the entire thigh and hip area and its main function is to transmit mechanical forces generated by the musculoskeletal system of the lower extremities. Fascia lata is also known as a useful and easily harvested graft material. Despite its crucial role in lower extremity biomechanics and wide-ranging applications in plastic and reconstructive surgery, both the structure of fascia lata and particularly the cells populating this tissue are relatively unexplored and therefore poorly understood...
October 20, 2016: Ultrastructural Pathology
Anna L Hronek, Seth N Clark, Gregg Young, Daniel Kinikini, Jason Wells
Acroangiodermatitis (AAD), also known as pseudo-Kaposi's sarcoma, is an uncommon benign angioproliferative condition most commonly seen in the lower extremities. This condition often presents as discolored patches that progress to painful ulcerations. The list of vascular conditions associated with this diagnosis is vast. Acroangiodermatitis presents similarly to more aggressive conditions such as Kaposi's sarcoma, making histopathologic examination helpful in its diagnosis. We present two cases of AAD in the setting of chronic venous insufficiency...
September 2, 2016: Journal of the American Podiatric Medical Association
M Hrubý, S K Filippov, P Štěpánek
Self-organization in a polymer system appears when a balance is achieved between long-range repulsive and short-range attractive forces between the chemically different building blocks. Block copolymers forming supramolecular assemblies in aqueous media represent materials which are extremely useful for the construction of drug delivery systems especially for cancer applications. Such formulations suppress unwanted physicochemical properties of the encapsulated drugs, modify biodistribution of the drugs towards targeted delivery into tissue of interest and allow triggered release of the active cargo...
October 20, 2016: Physiological Research
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