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Amanda N Seddon, Joshua Chaim, Oguz Akin, Esther Drill, Angela G Michael, Nelly Adel, Martin S Tallman
BACKGROUND: The current standard of care for the treatment of patients with newly diagnosed acute myeloid leukemia (AML) is an anthracycline plus cytarabine. Both anthracyclines and cytarabine have been associated with the development of typhlitis, a serious adverse event characterized by inflammation of the bowel wall in patients with profound neutropenia, diagnosed by abdominal CT imaging and clinical symptoms. Given the paucity of available data, the aim of our study was to determine the incidence of typhlitis among AML patients receiving induction chemotherapy with idarubicin 12 mg/m2 (IDA), daunorubicin 60 mg/m2 (DNA60), or daunorubicin 90 mg/m2 (DNA90)...
March 8, 2018: Leukemia Research
O J Ginther, R R Domingues, S V Dangudubiyyam, E R Araujo
Diameter deviation or follicle selection during a follicular wave begins with continuous growth rate of F1 (dominant or selected follicle; DF) and decreasing growth rate of F2 (largest subordinate). Intraovarian patterns based on presence or absence of the DF and CL are DF-CL, DF, CL, and devoid (neither DF nor CL). The DF and CL relationships in a pair of ovaries are ipsilateral (DF-CL pattern and devoid pattern) and contralateral (DF pattern and CL pattern). The effects of patterns and relationships on F1, F2, and FSH during deviation were determined in 21 mares...
February 24, 2018: Theriogenology
Nicolien A Van Vliet, Raymond Noordam, Jan B Van Klinken, Rudi G J Westendorp, J H Duncan Bassett, Graham R Williams, Diana Van Heemst
With population aging, prevalence of low bone mineral density (BMD) and associated fracture risk are increased. To determine whether low circulating thyroid stimulating hormone (TSH) levels within the normal range are causally related to BMD, we conducted a two-sample Mendelian randomization (MR) study. Furthermore, we tested whether common genetic variants in the TSH receptor (TSHR) gene and genetic variants influencing expression of TSHR (eQTLs) are associated with BMD. For both analyses, we used summary-level data of genome-wide association studies (GWAS) investigating BMD of the femoral neck (N = 32,735) and the lumbar spine (N = 28,498) in cohorts of European ancestry from the Genetic Factors of Osteoporosis (GEFOS) Consortium...
March 15, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
Dariusz Dziga, Anna Maksylewicz, Magdalena Maroszek, Sylwia Marek
Under some conditions the growth of toxic cyanobacteria must be controlled by treatment with algicidal compounds. Hydrogen peroxide has been proposed as an efficient and relatively safe chemical which can remove cyanobacteria from the environment selectively, without affecting other microorganisms. However, the uncontrolled release of secondary metabolites, including toxins may occur after such a treatment. Our proposal presented in this paper concerns fast biodegradation of microcystin released after cell lysis induced by hydrogen peroxide...
March 15, 2018: Acta Biochimica Polonica
Aleksandra Augusciak-Duma, Joanna Witecka, Aleksander L Sieron, Magdalena Janeczko, Jacek J Pietrzyk, Karolina Ochman, Anna Galicka, Maria K Borszewska-Kornacka, Jacek Pilch, Elzbieta Jakubowska-Pietkiewicz
Although over 85% of osteogenesis imperfecta (OI) cases are associated with mutations in the procollagen type I genes (COL1A1 or COL1A2), no hot spots for the mutations were associated with particular clinical phenotypes. Eight patients that were studied here, diagnosed with OI by clinical standards, are from the Polish population with no ethnic background indicated. Previously unpublished mutations were found in six out of those eight patients. Genotypes for polymorphisms (Sp1 - rs1800012 and PvuII - rs412777), linked to bone formation and metabolism were determined...
March 15, 2018: Acta Biochimica Polonica
Raquel B De Boni, Meridith B Peratikos, Bryan E Shepherd, Beatriz Grinsztejn, Claudia Cortés, Denis Padgett, Eduardo Gotuzzo, Pablo F Belaunzarán-Zamudio, Peter F Rebeiro, Stephany N Duda, Catherine C McGowan
BACKGROUND: The HIV care cascade has improved in Latin America over the last decade. However, the influence of alcohol and noninjected drug use (NIDU) on cascade outcomes is mostly unknown. This study estimated the association of alcohol and NIDU with retention in care, loss to follow up (LTFU), and virologic failure (VF). METHODS: Individuals ≥18 years attending routine HIV clinic visits and completing the Rapid Screening Tool (RST; evaluating NIDU and ART adherence in 7-day recall period) during 2012-13 were followed up to 2015 in the Caribbean, Central and South America network for HIV epidemiology...
2018: PloS One
Elizabeth A Brownell, Adam P Matson, Kelsey C Smith, James E Moore, Patricia A Esposito, Mary M Lussier, Trudy J Lerer, James I Hagadorn
BACKGROUND: A dose-response relationship between proportions of donor human milk (DHM) intake and in-neonatal intensive care unit (in-NICU) growth rates, if any, remains poorly defined. Objective was to evaluate interrelationships between percentages of DHM, mother's own milk (MOM), and preterm formula (PF) intake and neonatal growth parameters at 36 weeks postmenstrual age or NICU discharge. METHODS: Infants eligible for this single-center retrospective study were inborn at ≤32 weeks gestation or ≤1800 g, stayed in the NICU for ≥7 days, and received enteral nutrition consisting of human milk fortified with Enfamil human milk fortifier acidified liquid...
March 14, 2018: Journal of Pediatric Gastroenterology and Nutrition
Amy C Justice, Kirsha S Gordon, Melissa Skanderson, Eva Jennifer Edelman, Kathleen M Akgün, Cynthia L Gibert, Vincent Lo Re, David Rimland, Julie A Womack, Christina M Wyatt, Janet P Tate
BACKGROUND: HIV-positive individuals (HIV+) on antiretrovirals commonly take enough other medications to cross a threshold for polypharmacy but little is known about associated outcomes. We asked whether non-antiretroviral polypharmacy is associated with hospitalization and mortality and whether associations differ by HIV status. METHODS: Data on HIV+ and uninfected individuals in the US Veterans Affairs Healthcare System were analyzed. Eligible HIV+ were on antiretrovirals with suppressed HIV-1 RNA and uninfected individuals received at least one medication...
March 27, 2018: AIDS
Enrique Bernal, Jose Miguel Gómez, Inma Jarrín, Alfredo Cano, Angeles Muñoz, Antonia Alcaraz, Arkaitz Imaz, Jose Antonio Iribarren, María Rivero, Piedad Arazo, Félix Gutiérrez, CoRIS Study Group
BACKGROUND: The objetive was investigate the long-term impact of low level viremia (LLV) on all-cause mortality, AIDS and non-AIDS events (NAEs), and virological failure in patients receiving ART. METHODS: We analyzed ART-naïve adults from the cohort of the Spanish AIDS Research Network (CoRIS) who initiated ART from 2004 to 2015 and achieved plasma viral load (VL) below 50 copies/ml. LLV50-199 was defined as two consecutive VL between 50 and 199 copies/ml, and LLV200-499 as two consecutive VL between 50 and 499 copies/ml with at least one between 200 and 499 copies/ml...
March 13, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Klaus Griesar, John Bessant, Sabine Bernschneider-Reif
The elephant is in the room-a metaphorical idiom for an obvious problem or risk that nobody wants to discuss. This abstract is not intended to be a summary, to reveal major findings, or unveil conclusions. On the contrary, it is aimed to provoke curiosity as to the question of corporate survival. Is there any recipe to be followed for companies to achieve this? The answer comes neither from the modest and traditional study rooms of philosophers nor the recent fact-based studies from the offices (and well-paid opinions) of business consultants...
March 15, 2018: Angewandte Chemie
Teresa Fernández-Crespo, Rick J Schulting, Javier Ordoño, Andreas Duering, Francisco Etxeberria, Lourdes Herrasti, Ángel Armendariz, José I Vegas, Christopher Bronk Ramsey
OBJECTIVES: San Juan ante Portam Latinam is one of a small number of European Neolithic sites meeting many of the archaeological criteria expected for a mass grave, and furthermore presents evidence for violent conflict. This study aims to differentiate between what is potentially a single episode of deposition, versus deposition over some centuries, or, alternatively, that resulting from a combination of catastrophic and attritional mortality. The criteria developed are intended to have wider applicability to other such proposed events...
March 15, 2018: American Journal of Physical Anthropology
Robert Xiao, Julia Schwarz, Nick Throm, Andrew D Wilson, Hrvoje Benko
We present MRTouch, a novel multitouch input solution for head-mounted mixed reality systems. Our system enables users to reach out and directly manipulate virtual interfaces affixed to surfaces in their environment, as though they were touchscreens. Touch input offers precise, tactile and comfortable user input, and naturally complements existing popular modalities, such as voice and hand gesture. Our research prototype combines both depth and infrared camera streams together with real-time detection and tracking of surface planes to enable robust finger-tracking even when both the hand and head are in motion...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Lieselot Decroix, Cajsa Tonoli, Elodie Lespagnol, Constantino Balestra, Amandine Descat, Marie Jose Drittij-Reijnders, Jamie R Blackwell, Wilhelm Stahl, Andrew M Jones, Antje R Weseler, Aalt Bast, Romain Meeusen, Elsa Heyman
INTRODUCTION: During exercise in hypoxia, O2 delivery to brain and muscle is compromised and oxidative stress is elicited. Cocoa flavanols (CF) have antioxidant capacities and can increase blood flow by stimulating endothelial function. We aimed to examine the effects of 7-day CF intake on oxidative stress, nitric oxide production and tissue oxygenation in response to exercise in hypoxia (14.3% O2 ). METHODS: In a randomized, double blind, cross-over study, 14 well-trained male cyclists completed 4 trials: exercise in normoxia or hypoxia, after 7-day CF or placebo intake...
March 15, 2018: Journal of Applied Physiology
Luhong He, Jairav Xolo Desai, Jinxin Gao, Laurie B Hazeltine, Zhirui Lian, John N Calley, Christopher C Frye
Oxidation of monoclonal antibodies (mAb) is a common chemical modification with potential impact on a therapeutic protein's activity and immunogenicity. In a previous study, it was found that tryptophan oxidation (Trp-ox) levels of two mAb produced in Chinese hamster ovary (CHO) cells were significantly lowered by modifying cell culture medium/feed. In this study, transcriptome analysis by RNA-Seq was applied to further elucidate the underlying mechanism of those changes in lowering the Trp-ox levels. Cell samples from the 5L fed-batch conditions were harvested and subjected to RNA-Seq analysis...
March 15, 2018: Biotechnology Journal
B Serrano Falcón, M Megía Sánchez, A Ruiz de León, E Rey
BACKGROUND: Beer has been related to gastroesophageal reflux (GER) and dyspepsia, based on its alcohol and gas content. The aim of this study is to evaluate the association between moderate consumption of traditional and alcohol-free beer and upper digestive symptoms, gastric accommodation and GER. METHODS: Healthy adults without frequent gastrointestinal symptoms and GER disease were included. The intervention involved administration of traditional beer to 10 subjects (substudy 1) and alcohol-free beer to 20 (substudy 2); control intervention entailed administration of water...
March 15, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
Je Min Yoo, Baekwon Park, Sang Jin Kim, Yong Seok Choi, Sungmin Park, Eun Hye Jeong, Hyukjin Lee, Byung Hee Hong
Ferrous ion-based catalysts have been widely employed to oxidatively destruct the major industrial pollutants such as phenolic compounds through advanced oxidation processes (AOPs). These agents, however, inevitably show several drawbacks including the need for pH adjustment and further purification steps to remove residual salts. Here we report the use of a chemical vapour deposition (CVD) graphene film as a novel metal-free catalyst for the AOP-based degradation of phenols in aqueous solution, which does not require additional steps for salt removal nor external energy to activate the process...
March 15, 2018: Nanoscale
Xiao-Fen Ruan, Cheng-Wei Ju, Yan Shen, Yu-Tao Liu, Il-Man Kim, Hong Yu, Neal Weintraub, Xiao-Long Wang, Yao-Liang Tang
Cardiac mesenchymal stem cells (C-MSCs) are endogenous cardiac stromal cells that play a role in heart repair after injury. C-MSC-derived exosomes (Exo) have shown protective effects against apoptosis induced by acute myocardial ischemia/reperfusion. Suxiao Jiuxin pill (SJP) is a traditional Chinese medicine (TCM) formula used in China for the treatment of acute myocardial ischemia, which contains tetramethylpyrazine (TMP) and borneol (BOR) as major components. In this study, we investigated whether SJP treatment affected exosome release from C-MSCs in vitro...
March 15, 2018: Acta Pharmacologica Sinica
Christina Krudy, Kavita Shah Arora
The United States, along with other resource-rich countries, leads global health care by advancing medical care through randomized controlled trials (RCTs). While most medical research is conducted in these resource-rich areas, RCTs, including replications of previous trials, are additionally carried out in low- and middle-income countries. On the basis of positive findings from several RCTs conducted in high-income countries, the Antenatal Corticosteroids Trial (ACT) evaluated the effectiveness of antenatal corticosteroids in reducing neonatal mortality in low- and middle-income countries...
March 1, 2018: AMA Journal of Ethics
Kapo Saukkonen, Jaana Hagström, Harri Mustonen, Laura Lehtinen, Olli Carpen, Leif C Andersson, Hanna Seppänen, Caj Haglund
Expression of regenerating islet-derived protein 4 (REG4), a secretory protein involved in cell differentiation and proliferation, is upregulated in inflammatory bowel diseases and in many gastrointestinal malignancies. The prognostic significance of its expression in pancreatic ductal adenocarcinoma is unknown. Our aim was to investigate tumor tissue and serum REG4 expression in pancreatic ductal adenocarcinoma patients. We also evaluated as a control the diagnostic value of serum REG4 level in patients with chronic pancreatitis...
March 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Manizheh Khalilpourfarshbafi, Khadijeh Gholami, Dharmani Devi Murugan, Munavvar Zubaid Abdul Sattar, Nor Azizan Abdullah
PROPOSE: Obesity is a fast growing epidemic worldwide. During obesity, the increase in adipose tissue mass arise from two different mechanisms, namely, hyperplasia and hypertrophy. Hyperplasia which is the increase in adipocyte number is characteristic of severe obese patients. Recently, there has been much interest in targeting adipogenesis as therapeutic strategy against obesity. Flavonoids have been shown to regulate several pathways and affect a number of molecular targets during specific stages of adipocyte development...
March 14, 2018: European Journal of Nutrition
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