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https://www.readbyqxmd.com/read/28732403/ecosystem-service-trade-offs-and-their-influencing-factors-a-case-study-in-the-loess-plateau-of-china
#1
Qiang Feng, Wenwu Zhao, Bojie Fu, Jingyi Ding, Shuai Wang
Soil erosion control (SEC), carbon sequestration (CAS), and soil moisture (SMO) strongly interact in the semi-arid Loess Plateau. Since SMO has supportive effects on SEC and CAS, it can be considered as ecosystem service (ES), and there is an immediate need to coordinate the relationships among these ecosystem services (ESs) to promote the sustainability of vegetation recovery. In this study, we quantified the ESs, ES trade-offs, and the environmental factors in 151 sample plots in the Ansai watershed, and we used a redundancy analysis (RDA) to clarify the effects of environmental factors on these ESs and their trade-offs...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732385/the-role-of-mirna-and-lncrna-in-gastric-cancer
#2
REVIEW
Ning-Bo Hao, Ya-Fei He, Xiao-Qin Li, Kai Wang, Rui-Ling Wang
Gastric cancer is one of the most common cancers and has the highest mortality rate worldwide. It is worthwhile to explore the mechanism of gastric cancer progression. An increasing number of studies have found that non-coding RNAs including miRNA and lncRNA play important roles in gastric cancer progression. This review summarized the role of ectopic miRNA in gastric cancer proliferation, growth, migration, invasion and apoptosis. Meantime, aberrantly expressed miRNA also received a great deal of attention as potential biomarker for gastric cancer diagnosis and therapy...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732357/profiling-cancer-related-gene-mutations-in-oral-squamous-cell-carcinoma-from-japanese-patients-by-targeted-amplicon-sequencing
#3
Takafumi Nakagaki, Miyuki Tamura, Kenta Kobashi, Ryota Koyama, Hisayo Fukushima, Tomoko Ohashi, Masashi Idogawa, Kazuhiro Ogi, Hiroyoshi Hiratsuka, Takashi Tokino, Yasushi Sasaki
Somatic mutation analysis is a standard practice in the study of human cancers to identify mutations that cause therapeutic sensitization and resistance. We performed comprehensive genomic analyses that used PCR target enrichment and next-generation sequencing on Ion Proton semiconductor sequencers. Forty-seven oral squamous cell carcinoma (OSCC) samples and their corresponding noncancerous tissues were used for multiplex PCR amplification to obtain targeted coverage of the entire coding regions of 409 cancer-related genes (covered regions: 95...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732296/contribution-of-waste-water-treatment-plants-to-pesticide-toxicity-in-agriculture-catchments
#4
Trong Dieu Hien Le, Andreas Scharmüller, Mira Kattwinkel, Ralph Kühne, Gerrit Schüürmann, Ralf B Schäfer
Pesticide residues are frequently found in water bodies and may threaten freshwater ecosystems and biodiversity. In addition to runoff or leaching from treated agricultural fields, pesticides may enter streams via effluents from wastewater treatment plants (WWTPs). We compared the pesticide toxicity in terms of log maximum Toxic Unit (log mTU) of sampling sites in small agricultural streams of Germany with and without WWTPs in the upstream catchments. We found an approximately half log unit higher pesticide toxicity for sampling sites with WWTPs (p < 0...
July 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28732287/factors-affecting-the-interaction-between-carbon-nanotubes-and-redox-enzymes-in-direct-electron-transfer-type-bioelectrocatalysis
#5
Hong-Qi Xia, Yuki Kitazumi, Osamu Shirai, Hiroki Ozawa, Maki Onizuka, Takuji Komukai, Kenji Kano
The effects of three types of water-soluble carbon nanotubes (CNTs) of different lengths on the direct electron transfer (DET)-type bioelectrocatalysis of redox enzymes were investigated. Bilirubin oxidase (BOD), copper efflux oxidase (CueO), and a membrane-bound NiFe hydrogenase (H2ase) were used as model redox enzymes for four-electron dioxygen (O2) reduction (in the case of BOD and CueO) and two-electron dihydrogen (H2) oxidation (in the case of H2ase). As a result, diffusion-controlled O2 reduction in an O2-saturated neutral buffer was realized by BOD on CNTs of a length of 1μm, but the catalytic current densities decreased as the length of CNTs increased...
July 13, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28732278/advances-of-small-molecule-targeting-of-kinases
#6
REVIEW
Norbert Berndt, Rezaul M Karim, Ernst Schönbrunn
Reversible protein phosphorylation regulates virtually all aspects of life in the cell. As a result, dysregulation of protein kinases, the enzymes responsible for transferring phosphate groups from ATP to proteins, are often the cause or consequence of many human diseases including cancer. Almost three dozen protein kinase inhibitors (PKIs) have been approved for clinical applications since 1995, the vast majority of them for the treatment of cancer. According to the NCI, there are more than 100 types of cancer...
July 18, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28732261/predictors-of-disclosure-management-behavior-at-the-end-of-1-year-follow-up-in-korean-adults-with-newly-diagnosed-epilepsy
#7
Sang-Ahm Lee, Soon-Kee No, Hyungkook Park, Ok-Joon Kim, Jee-Hyun Kwon, Ji-Yeon Ryu, Sang-Moo Lee, Kwang-Deog Jo
PURPOSE: Epilepsy is a concealable stigmatizing condition. We investigated the factors predicting disclosure management behavior in Korean adults with newly diagnosed epilepsy. METHODS: This longitudinal multicenter study included Korean adults with newly diagnosed epilepsy. Using statistical analyses, we determined at the end of a 1-year follow-up whether Disclosure Management Scale (DMS) scores were predicted by demographic, clinical, and psychosocial variables, including felt stigma, stress coping style, personality traits, social support, and experienced discrimination from society...
July 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28732254/going-down-the-tubes-impact-on-seizure-control-of-antiepileptic-medication-given-via-percutaneous-feeding-tubes
#8
REVIEW
Caryn Jory, Rohit Shankar, Katy Oak, Janina Oates, Mike Wilcock
BACKGROUND: Long-term feeding by percutaneous endoscopic gastrostomy tube (PEG) is uncommon but can present significant issues when both nutrition and medication have to be fed down the same tube. This is especially important in people with epilepsy where the dose and bioavailability of antiepileptic drugs are critical to maintain adequate seizure control. This group with long-term PEG tubes is particularly vulnerable and dependent on their carers to provide high standard of care. Indeed, approximately half of the people with long-term feeding tubes suffer from severe intellectual disability which requires careful coordination of all members of the multidisciplinary team...
July 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28732234/computational-modelling-of-genome-scale-metabolic-networks-and-its-application-to-cho-cell-cultures
#9
REVIEW
Živa Rejc, Lidija Magdevska, Tilen Tršelič, Timotej Osolin, Rok Vodopivec, Jakob Mraz, Eva Pavliha, Nikolaj Zimic, Tanja Cvitanović, Damjana Rozman, Miha Moškon, Miha Mraz
Genome-scale metabolic models (GEMs) have become increasingly important in recent years. Currently, GEMs are the most accurate in silico representation of the genotype-phenotype link. They allow us to study complex networks from the systems perspective. Their application may drastically reduce the amount of experimental and clinical work, improve diagnostic tools and increase our understanding of complex biological phenomena. GEMs have also demonstrated high potential for the optimisation of bio-based production of recombinant proteins...
July 8, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28732193/what-should-a-website-dedicated-to-the-postnatal-period-contain-a-delphi-survey-among-parents-and-professionals
#10
J Slomian, P Emonts, M Erpicum, L Vigneron, J Y Reginster, O Bruyère
OBJECTIVES: Mothers have a great need for information during the postnatal period. Trying to meet this need, mothers are increasingly turning to the Internet. Nevertheless, many women have stated that they often or always found that the information that they found on the Internet was incomplete or wrong. Many women therefore believe that health professionals should suggest reliable Internet websites for new mothers. The aim of this study was therefore to find a consensus on the content of a reliable and centralized website dedicated to mothers from the end of pregnancy to 1 year after childbirth...
July 6, 2017: Midwifery
https://www.readbyqxmd.com/read/28732176/a-comprehensive-craniofacial-study-of-22q11-2-deletion-syndrome
#11
A Lewyllie, J Roosenboom, K Indencleef, P Claes, A Swillen, K Devriendt, C Carels, M Cadenas De Llano-Pérula, G Willems, G Hens, A Verdonck
The 22q11.2 deletion syndrome (22q11.2DS) is one of the most frequent microdeletion syndromes and presents with a highly variable phenotype. In most affected individuals, specific but subtle facial features can be seen. In this observational study, we aim to investigate the craniofacial and dental features of 20 children with a confirmed diagnosis of 22q11.2DS by analyzing 3-dimensional (3D) facial surface scans, 2-dimensional (2D) clinical photographs, panoramic and cephalometric radiographs, and dental casts...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28732175/genome-wide-identification-functional-prediction-and-evolutionary-analysis-of-r2r3-myb-superfamily-in-brassica-napus
#12
Ali Hajiebrahimi, Hajar Owji, Shiva Hemmati
R2R3-MYBs are important transcription factors (TFs) in planta, involved in development and various stress conditions. Phylogenetic analysis showed the presence of 249 R2R3-MYB TFs in Brassica napus called BnaR2R3-MYBs, clustered into 38 clades. BnaR2R3-MYBs were distributed on 19 chromosomes of B. napus. Sixteen gene clusters were identified. BnaR2R3-MYBs were characterized by motif prediction, gene structure analysis and gene ontology. Evolutionary analysis revealed that BnaR2R3-MYBs are mainly formed as a result of whole genome duplication...
July 21, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28732133/ionization-and-collision-induced-dissociation-of-steroid-bis-glucuronides
#13
Argitxu Esquivel, Xavier Matabosch, Aristotelis Kotronoulas, Georgina Balcells, Jesús Joglar, Rosa Ventura
Studies on steroid metabolism are of utmost importance to improve the detection capabilities of anabolic androgenic steroids (AAS) misuse in sports drug testing. In humans, glucuronoconjugates are the most abundant phase II metabolites of AAS. Bis-glucuronidation is a reaction where two separated functional groups on the same molecule are conjugated with glucuronic acid. These metabolites have not been studied in depth for steroids and could be interesting markers for doping control. The aim of the present work was to study the ionization and collision induced dissociation of steroid bis-glucuronides to be able to develop mass spectrometric analytical strategies for their detection in urine samples after AAS administration...
July 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28732040/perceptions-of-arab-men-regarding-female-breast-cancer-screening-examinations-findings-from-a-middle-east-study
#14
Tam Truong Donnelly, Al-Hareth Al-Khater, Salha Bujassoum Al-Bader, Mohamed Ghaith Al-Kuwari, Mariam Ali Abdul Malik, Nabila Al-Meer, Rajvir Singh
OBJECTIVES: In the Middle East, Qatar in particular, the incidence of breast cancer has substantially increased in recent years, and is expected to double by 2030. This diagnosis also occurs at a later stage in the disease. Early detection along with proper treatment reduces radical mastectomy and mortality rates, yet only one-third of Arab women in Qatar participate in breast cancer screening (BCS) activities of any sort. Many women in the conservative Qatari society rely on male family members for support and protection...
2017: PloS One
https://www.readbyqxmd.com/read/28732032/individual-and-area-level-characteristics-associated-with-alcohol-related-mortality-among-adult-lithuanian-males-a-multilevel-analysis-based-on-census-linked-data
#15
Pavel Grigoriev, Domantas Jasilionis, Daumantas Stumbrys, Vladislava Stankūnienė, Vladimir M Shkolnikov
BACKGROUND: Although excessive alcohol-related mortality in the post-Soviet countries remains the major public health threat, determinants of this phenomenon are still poorly understood. AIMS: We assess simultaneously individual- and area-level factors associated with an elevated risk of alcohol-related mortality among Lithuanian males aged 30-64. METHODS: Our analysis is based on a census-linked dataset containing information on individual- and area-level characteristics and death events which occurred between March 1st, 2011 and December 31st, 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28732006/drivers-for-rift-valley-fever-emergence-in-mayotte-a-bayesian-modelling-approach
#16
Raphaëlle Métras, Guillaume Fournié, Laure Dommergues, Anton Camacho, Lisa Cavalerie, Philippe Mérot, Matt J Keeling, Catherine Cêtre-Sossah, Eric Cardinale, W John Edmunds
Rift Valley fever (RVF) is a major zoonotic and arboviral hemorrhagic fever. The conditions leading to RVF epidemics are still unclear, and the relative role of climatic and anthropogenic factors may vary between ecosystems. Here, we estimate the most likely scenario that led to RVF emergence on the island of Mayotte, following the 2006-2007 African epidemic. We developed the first mathematical model for RVF that accounts for climate, animal imports and livestock susceptibility, which is fitted to a 12-years dataset...
July 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28731996/-pancreatitis-genes-and-islet-cells-auto-transplant-updates-and-new-horizons
#17
Edgardo D Rivera Rivera
Pancreatitis is an inflammation of the pancreas that can progress from an acute presentation to an acute recurring presentation and eventually to chronic pancreatitis, which is characterized by irreversible morphological changes and scarring of the pancreas. The entity known as hereditary pancreatitis has been recognized in the literature for years and certainly the discovery of the PRSS1 gene in 1996 marked the beginning of a new era of genetic discoveries associated with the disease. Since then, multiple genes have been described as the causing agents of pancreatitis or disease modifiers, some of the most important ones being the PRSS1, SPINK1, CFTR, CASR, CTRC, CLDN2, and CPA1...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28731945/the-changing-paradigm-of-radiotherapy-in-the-elderly-population
#18
Myer Raphael Pfeffer, Philip Blumenfeld
There is increasing awareness of the special needs for care of the elderly cancer patient. Newer precise conformal radiotherapy techniques allow the safe delivery of higher doses of radiotherapy to the target tumor while reducing the dose to surrounding critical organs. This has led to a shortening of radiotherapy protocols for both curative and palliative indications. We review these novel techniques and protocols and the published clinical studies that include elderly patients treated with these techniques...
July 2017: Cancer Journal
https://www.readbyqxmd.com/read/28731896/freehand-versus-guided-surgery-factors-influencing-accuracy-of-dental-implant-placement
#19
William Choi, Bao-Chau Nguyen, Andrew Doan, Sabine Girod, Brice Gaudilliere, Dyani Gaudilliere
INTRODUCTION: Patient anatomy, practitioner experience, and surgical approach are all factors that influence implant accuracy. However, the relative importance of each factor is poorly understood. The present study aimed to identify which factors most critically determine implant accuracy to aid the practitioner in case selection for guided versus freehand surgery. METHODS: One practitioner's ideal implant angulation and position was compared with his achieved position radiographically for 450 implants placed using a conventional freehand method...
August 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28731893/validity-of-administrative-data-in-identifying-cancer-related-events-in-adolescents-and-young-adults-a-population-based-study-using-the-impact-cohort
#20
Sumit Gupta, Paul C Nathan, Nancy N Baxter, Cindy Lau, Corinne Daly, Jason D Pole
BACKGROUND: Despite the importance of estimating population level cancer outcomes, most registries do not collect critical events such as relapse. Attempts to use health administrative data to identify these events have focused on older adults and have been mostly unsuccessful. We developed and tested administrative data-based algorithms in a population-based cohort of adolescents and young adults with cancer. METHODS: We identified all Ontario adolescents and young adults 15-21 years old diagnosed with leukemia, lymphoma, sarcoma, or testicular cancer between 1992-2012...
July 20, 2017: Medical Care
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