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https://www.readbyqxmd.com/read/28823136/identification-of-polymorphisms-in-mitf-and-dct-genes-and-their-associations-with-plumage-colors-in-asian-duck-breeds
#1
Hasina Sultana, Dongwon Seo, Nu-Ri Choi, Md Shamsul Alam Bhuiyan, Seung Hwan Lee, Kang Nyeong Heo, Jun Heon Lee
Objective: The aim of this study was to investigate the effect of single nucleotide polymorphisms (SNPs) of the MITF and DCT genes on plumage coloration in Asian native duck breeds. MITF encodes a protein for microphthalmia-associated transcription factor, which regulates the development and function of melanocytes for pigmentation of skin, hair, and eyes. Among the tyrosinase-related family genes, dopachrome tautomerase (DCT) is a pigment cell-specific gene that plays important roles in the melanin synthesis pathway and the expression of skin, feather, and retina color...
August 16, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28823120/deoxynivalenol-and-zearalenone-contaminated-feeds-alter-gene-expression-profiles-in-the-livers-of-piglets
#2
Kondreddy Eswar Reddy, Jin Young Jeong, Yookyung Lee, Hyun-Jeong Lee, Min Seok Kim, Dong-Wook Kim, Hyun Jung Jung, Changyong Choe, Young Kyoon Oh, Sung Dae Lee
Objective: The Fusarium mycotoxins of deoxynivalenol (DON) and zerolenone (ZEN) cause health hazards for both humans and farm animals. Therefore, the main intention of this study was to reveal DON and ZEN effects on the mRNA expression of pro-inflammatory cytokines and other immune related genes in the liver of piglets. Methods: In the present study, 15 six-week-old piglets were randomly assigned to the following three different dietary treatments for 4 weeks: control diet, diet containing 8 mg DON/kg feed, and diet containing 0...
August 16, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28823106/mitochondrial-outer-membrane-permeabilization-a-focus-on-the-role-of-mitochondrial-membrane-structural-organization
#3
REVIEW
Siti Haji Suhaili, Hamed Karimian, Matthew Stellato, Tzong-Hsien Lee, Marie-Isabel Aguilar
Apoptosis is important in regulating cell death turnover and is mediated by the intrinsic and death receptor-based extrinsic pathways which converge at the mitochondrial outer membrane (MOM) leading to mitochondrial outer membrane permeabilization (MOMP). MOMP results in the release of apoptotic proteins that further activate the downstream pathway of apoptosis. Thus, tight regulation of MOMP is crucial in controlling apoptosis, and a lack of control may lead to tissue and organ malformation and the development of cancers...
August 19, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28823101/predictors-of-disordered-eating-in-young-males
#4
R Doumit, J Abi Kharma, M J Sanchez-Ruiz, N Zeeni
Recent findings suggest that disordered eating (DE) symptomatology may be underestimated in the male population. The present study examined depressive symptomatology as a potential mediator of the relationships between body image dissatisfaction, strategies to change body weight and muscles, media pressure, and DE (emotional, restrained and emotional eating) in 260 male undergraduates who completed a self-reported questionnaire. Path analyses indicated that media influence and strategies to decrease body weight had direct positive effects on depressive symptomatology, which in turn predicted emotional eating...
August 19, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28823066/distribution-and-health-risk-assessment-to-heavy-metals-near-smelting-and-mining-areas-of-hezhang-china
#5
Meryem Briki, Yi Zhu, Yang Gao, Mengmeng Shao, Huaijian Ding, Hongbing Ji
Mining and smelting areas in Hezhang have generated a large amount of heavy metals into the environment. For that cause, an evaluative study on human exposure to heavy metals including Co, Ni, Cu, Zn, Cr, As, Cd, Pb, Sb, Bi, Be, and Hg in hair and urine was conducted for their concentrations and correlations. Daily exposure and non-carcinogenic and carcinogenic risk were estimated. Sixty-eight scalp hair and 66 urine samples were taken from participants of different ages (6-17, 18-40, 41-60, and ≥ 65 years) living in the vicinity of an agricultural soil near mine and smelting areas...
August 19, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28823025/nanomedicine-associated-with-photodynamic-therapy-for-glioblastoma-treatment
#6
REVIEW
Leonardo B de Paula, Fernando L Primo, Antonio C Tedesco
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most recurrent and malignant astrocytic glioma found in adults. Biologically, GBMs are highly aggressive tumors that often show diffuse infiltration of the brain parenchyma, making complete surgical resection difficult. GBM is not curable with surgery alone because tumor cells typically invade the surrounding brain, rendering complete resection unsafe. Consequently, present-day therapy for malignant glioma remains a great challenge. The location of the invasive tumor cells presents several barriers to therapeutic delivery...
August 19, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28822994/glucagon-like-peptide-1-receptor-agonist-stimulates-mitochondrial-bioenergetics-in-human-adipocytes
#7
Joanna Góralska, Agnieszka Śliwa, Anna Gruca, Urszula Raźny, Monika Chojnacka, Anna Polus, Bogdan Solnica, Małgorzata Malczewska-Malec
Glucagon-like peptide 1 receptor agonists (GLP-1RAs) are relatively new pharmacological agents used to normalize glucose level in type 2 diabetes. Recently, GLP-1RAs have been approved for the treatment of obesity to reduce body weight in non-diabetic patients. The extra-pancre-atic effects of GLP-1RAs, as well as their molecular mechanism of action, are still poorly understood. Thus this study was aimed to verify the hypothesis that the mechanism of action of the GLP-1RAs involves mitochondria and that GLP-1RAs administration can improve mitochondrial functions...
August 19, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28822989/cellular-prion-protein-enhances-drug-resistance-of-colorectal-cancer-cells-via-regulation-of-a-survival-signal-pathway
#8
Jun Hee Lee, Chul Won Yun, Sang Hun Lee
Anti-cancer drug resistance is a major problem in colorectal cancer (CRC) research. Although several studies have revealed the mechanism of cancer drug resistance, molecular targets for chemotherapeutic combinations remain elusive. To address this issue, we focused on the expression of cellular prion protein (PrP(C)) in 5-FU-resistant CRC cells. In 5-FU-resistant CRC cells, PrP(C) expression is significantly increased, compared with that in normal CRC cells. In the presence of 5-FU, PrP(C) increased CRC cell survival and proliferation by maintaining the activation of the PI3K-Akt signaling pathway and the expression of cell cycle-associated proteins, including cyclin E, CDK2, cyclin D1, and CDK4...
August 21, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28822966/inhibitory-actions-of-the-nrg-1-erbb4-pathway-in-macrophages-during-tissue-fibrosis-in-heart-skin-and-lung
#9
Zarha Vermeulen, Anne-Sophie Hervent, Lindsey Dugaucquier, Leni Vandekerckhove, Miche Rombouts, Matthias Beyens, Dorien M Schrijvers, Guido R Y De Meyer, Stuart Maudsley, Gilles W De Keulenaer, Vincent Fm Segers
The neuregulin-1 (NRG-1)/ErbB system is an endothelium-controlled paracrine system modulating cardiac performance and adaptation. Recent studies indicate that NRG-1 has anti-fibrotic effects in the left ventricle (LV), which were explained by direct actions on cardiac fibroblasts. However, the NRG-1/ErbB system also regulates the function of macrophages. In this study, we hypothesized that the anti-fibrotic effect of NRG-1 in the heart is at least partially mediated through inhibitory effects on macrophages...
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28822938/do-natural-biofilm-impact-nzvi-mobility-and-interactions-with-porous-media-a-column-study
#10
Marc Crampon, Jennifer Hellal, Christophe Mouvet, Guillaume Wille, Caroline Michel, Anke Wiener, Juergen Braun, Patrick Ollivier
Nanoparticles (NP) used as remediation agents for groundwater treatment may interact with biofilms naturally present, altering NP mobility and/or reactivity and thereby NP effectiveness. The influence of the presence of a multi species biofilm on the mobility of two types of zero-valent iron NP (nZVI; NANOFER 25S and optimized NANOFER STAR, NanoIron s.r.o. (Czech Republic)) was tested in laboratory experiments with columns mimicking aquifer conditions. Biofilms were grown in columns filled with sand in nitrate reducing conditions using groundwater from an industrial site as inoculum...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822930/spatial-and-temporal-patterns-of-pesticide-concentrations-in-streamflow-drainage-and-runoff-in-a-small-swedish-agricultural-catchment
#11
Maria Sandin, Kristin Piikki, Nicholas Jarvis, Mats Larsbo, Kevin Bishop, Jenny Kreuger
A better understanding of the dominant source areas and transport pathways of pesticide losses to surface water is needed for targeting mitigation efforts in a more cost-effective way. To this end, we monitored pesticides in surface water in an agricultural catchment typical of one of the main crop production regions in Sweden. Three small sub-catchments (88-242ha) were selected for water sampling based on a high-resolution digital soil map developed from proximal sensing methods and soil sampling; one sub-catchment had a high proportion of clay soils, another was dominated by coarse sandy soils while the third comprised a mix of soil types...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822907/leaf-carbohydrates-influence-transcriptional-and-post-transcriptional-regulation-of-nocturnal-carboxylation-and-starch-degradation-in-the-facultative-cam-plant-mesembryanthemum-crystallinum
#12
Tahar Taybi, John C Cushman, Anne M Borland
Nocturnal degradation of transitory starch is a limiting factor for the optimal function of crassulacean acid metabolism and must be coordinated with phosphoenolypyruvate carboxylase (PEPC)-mediated CO2 uptake to optimise carbon gain over the diel cycle. The aim of this study was to test the hypothesis that nocturnal carboxylation is coordinated with starch degradation in CAM via a mechanism whereby the products of these pathways regulate diel transcript abundance and enzyme activities for both processes. To test this hypothesis, a starch and CAM-deficient mutant of Mesembryanthemum crystallinum was compared with wild type plants under well-watered and saline (CAM-inducing) conditions...
August 5, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28822900/supportive-care-pathway-functionalities-of-ehr-system-in-a-saudi-arabian-hospital
#13
Bakheet Aldosari
BACKGROUND: Electronic health record (EHR) is a data management system used in healthcare services. The stored medical information in EHR can be accessed and utilized by authorized users, which helps clinicians in making clinical decisions. Therefore, this study aims at comparing the embedded clinical guidelines or the supportive pathway functions as well as their compliance level in the two EMR systems, i.e. QuadraMed (QCPR) and BestCare. METHODS: A test vignette was used to evaluate the features, functions, performance, and output to assess the EHR clinical path way functionality of the QCPR and BestCare...
August 12, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28822888/apatinib-enhances-antitumour-activity-of-egfr-tkis-in-non-small-cell-lung-cancer-with-egfr-tki-resistance
#14
Fang Li, Tengjiao Zhu, Baoshan Cao, Jiadong Wang, Li Liang
BACKGROUND: Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs)-rechallenged therapy for EGFR-mutant non-small cell lung cancer (NSCLC) patients who acquired resistance showed moderate efficacy. Considering the high interrelation between EGFR and vascular endothelial growth factor/vascular endothelial growth factor receptor (VEGF/VEGFR) pathways, we firstly evaluated EGFR-TKI combined with apatinib (a highly selective VEGFR2 inhibitor) in EGFR-TKI-resistant model and patients...
August 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28822887/the-changing-diagnostic-pathway-for-lung-cancer-patients-in-shanghai-china
#15
REVIEW
Tao Jiang, Shengxiang Ren, Xuefei Li, Chunxia Su, Caicun Zhou, Mary O'Brien
Accumulating evidence suggest that patients with advanced non-small-cell lung cancer (NSCLC) and specific genomic alterations including epidermal growth factor receptor and microtubule-associated protein-like 4 anaplastic lymphoma kinase could significantly benefit from molecular-targeted therapies compared with chemotherapy. Recently, immunotherapy based on programmed cell death 1 (PD-1) and its ligand (PD-L1) blockade prolong survival in patients with advanced NSCLC, especially in those patients with positive expression of PD-L1 and when used in the first-line setting...
August 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28822885/matching-complex-dietary-landscapes-with-the-signalling-pathways-that-regulate-life-history-traits
#16
REVIEW
Christen K Mirth, Matthew Dw Piper
The rise in obesity in human populations has reinvigorated research focused on how nutrition impacts life history traits, including body size, lifespan, reproductive success, stress resistance and propensity for disease. Studies have ranged in their approach from identifying the molecular machinery responding to changes in nutrient levels, to understanding the hormonal changes that occur in response to diet, to mapping the response of differing life history traits over complex dietary landscapes. Connecting insights across these approaches presents significant challenges primarily because we lack information about how signalling pathways respond to dietary complexity...
August 17, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28822867/de-novo-assembly-and-characterization-of-seabass-lateolabrax-japonicus-transcriptome-and-expression-of-hepatic-genes-following-different-dietary-phosphorus-calcium-levels
#17
Kang-Le Lu, Zhong-Li Ji, Samad Rahimnejad, Chun-Xiao Zhang, Ling Wang, Kai Song
Fish farming seriously influences the aquatic environment because most dietary phosphorus (P) is excreted in the effluent. To increase the P utilization in fish, molecular techniques should be explored given the remarkable development of these techniques. Thus, to identify the candidate genes related to P utilization and molecular alterations following administration of a P-deficient diet in seabass Lateolabrax japonicus, we assessed the de novo pituitary, gill, intestine, liver, kidney, scales and vertebra transcriptomes, and we compared the expression of hepatic genes with three diets varying in P and Ca levels: diet I (0...
August 9, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28822849/cyclic-3-5-adenosine-monophosphate-camp-signaling-in-the-anterior-pituitary-gland-in-health-and-disease
#18
REVIEW
Laura C Hernández-Ramírez, Giampaolo Trivellin, Constantine A Stratakis
The cyclic 3',5'-adenosine monophosphate (cAMP) was the first among the so-called "second messengers" to be described. It is conserved in most organisms and functions as a signal transducer by mediating the intracellular effects of multiple hormones and neurotransmitters. In this review, we first delineate how different members of the cAMP pathway ensure its correct compartmentalization and activity, mediate the terminal intracellular effects, and allow the crosstalk with other signaling pathways. We then focus on the pituitary gland, where cAMP exerts a crucial function by controlling the responsiveness of the cells to hypothalamic hormones, neurotransmitters and peripheral factors...
August 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28822844/a-ph-sensitive-methenamine-mandelate-loaded-nanoparticle-induces-dna-damage-and-apoptosis-of-cancer-cells
#19
Linhua Zhang, Wenbo Hao, Lv Xu, Yongfeng Gao, Xusheng Wang, Dunwan Zhu, Zhuo Chen, Xudong Zhang, Hongbo Chen, Lin Mei
Methenamine mandelate is a urinary antibacterial agent, which can be converted to formaldehyde in urine that has a relatively low pH of average 5.5-6.8. Here, we prepare a pH-sensitive PLGA-based nanoparticle containing both methenamine mandelate and NaHCO3. Methenamine mandelate/NaHCO3-coloaded nanoparticle could enter cells via endosome/lysosome pathway. The pH in lysosomes and endo-lysosomes is approximately 5.0. In the acidic environment, NaHCO3 reacts with proton and produce CO2 bubbles, which burst nanoparticles and lead to the rapidly release of methenamine mandelate...
August 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28822811/reduced-dynamic-range-of-antiviral-innate-immune-responses-in-aging
#20
REVIEW
Ryan D Molony, Anna Malawista, Ruth R Montgomery
The worldwide population aged≥65years is increasing and the average life span is expected to increase another 10years by 2050. This extended lifespan is associated with a progressive decline in immune function and a paradoxical state of low-grade, chronic inflammation that may contribute to susceptibility to viral infection, and reduced responses to vaccination. Here we review the effects of aging on innate immune responses to viral pathogens including elements of recognition, signaling, and production of inflammatory mediators...
August 16, 2017: Experimental Gerontology
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