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https://www.readbyqxmd.com/read/28231699/optimization-of-ultrasonic-assisted-enzymatic-hydrolysis-conditions-for-the-production-of-antioxidant-hydrolysates-from-porcine-liver-by-using-response-surface-methodology
#1
Hui-Chuan Yu, Fa-Jui Tan
Objective: The objective of this study was to optimize ultrasonic-assisted enzymatic hydrolysis conditions, including enzyme-to-substrate (E/S) ratio, pH, and temperature, for producing porcine liver hydrolysates (PLHs) with the highest 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity by using response surface methodology (RSM). Methods: The study used RSM to determine the combination of hydrolysis parameters that maximized the antioxidant activity of our PLHs...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231689/are-children-with-asthma-in-south-korea-also-associated-with-vitamin-d-deficiency
#2
Yu-Ri Kim, Sung-Chul Seo, Young Yoo, Ji Tae Choung
Recently, epidemiologic studies have shown that the lack of vitamin D levels may be associated with high asthma prevalence, but its effect is still controversial, depending on season, area, and food consumption. We aimed to examine the association of serum vitamin D levels with the prevalence of pediatric asthma in Korea. A total of 80 children (50 asthmatic children and 30 healthy controls) aged 6-14 years were participated in this study. Serum 25-hydroxy vitamin D (vitamin D) levels were measured and compared between the two groups...
February 14, 2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28231679/-use-the-markov-decision-tree-model-to-optimize-vaccination-strategies-of-hepatitis-e-among-women-aged-15-to-49
#3
Z M Chen, S B Ji, X L Shi, Y Y Zhao, X F Zhang, H Jin
Objective: To evaluate the cost-utility of different hepatitis E vaccination strategies in women aged 15 to 49. Methods: The Markov-decision tree model was constructed to evaluate the cost-utility of three hepatitis E virus vaccination strategies. Parameters of the models were estimated on the basis of published studies and experience of experts. Both methods on sensitivity and threshold analysis were used to evaluate the uncertainties of the model. Results: Compared with non-vaccination group, strategy on post-screening vaccination with rate as 100%, could save 0...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231677/-a-systematic-review-of-worldwide-natural-history-models-of-colorectal-cancer-classification-transition-rate-and-a-recommendation-for-developing-chinese-population-specific-model
#4
Z F Li, H Y Huang, J F Shi, C G Guo, S M Zou, C C Liu, Y Wang, L Wang, S L Zhu, S L Wu, M Dai
Objective: To review the worldwide studies on natural history models among colorectal cancer (CRC), and to inform building a Chinese population-specific CRC model and developing a platform for further evaluation of CRC screening and other interventions in population in China. Methods: A structured literature search process was conducted in PubMed and the target publication dates were from January 1995 to December 2014. Information about classification systems on both colorectal cancer and precancer on corresponding transition rate, were extracted and summarized...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231628/the-lived-experience-of-recovery-during-the-first-six-months-after-colorectal-cancer-surgery
#5
Jenny Jakobsson, Ewa Idvall, Christine Kumlien
AIMS AND OBJECTIVES: The objective of this study was to describe the lived experience of recovery during the first six months after colorectal cancer surgery. BACKGROUND: Colorectal cancer is the third most common cancer-diagnose worldwide. Early discharge places demands on health care professionals to prepare patients for their return home and to provide them with appropriate support throughout the recovery process. This requires knowledge of what it is like to recover from colorectal cancer surgery...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231626/default-mode-network-deactivation-to-smoking-cue-relative-to-food-cue-predicts-treatment-outcome-in-nicotine-use-disorder
#6
Claire E Wilcox, Eric D Claus, Vince D Calhoun, Srinivas Rachakonda, Rae A Littlewood, Jessica Mickey, Pamela B Arenella, Natalie Goodreau, Kent E Hutchison
Identifying predictors of treatment outcome for nicotine use disorders (NUDs) may help improve efficacy of established treatments, like varenicline. Brain reactivity to drug stimuli predicts relapse risk in nicotine and other substance use disorders in some studies. Activity in the default mode network (DMN) is affected by drug cues and other palatable cues, but its clinical significance is unclear. In this study, 143 individuals with NUD (male n = 91, ages 18-55 years) received a functional magnetic resonance imaging scan during a visual cue task during which they were presented with a series of smoking-related or food-related video clips prior to randomization to treatment with varenicline (n = 80) or placebo...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28231625/experimental-study-on-1-25-oh-2-d3-amelioration-of-oral-lichen-planus-through-regulating-nf-%C3%AE%C2%BAb-signaling-pathway
#7
Jie Du, Ran Li, Feiyan Yu, Fang Yang, Jinhua Wang, Qingyong Chen, Xiangyu Wang, Bin Zhao, Fang Zhang
OBJECTIVE: To explore the protective function of vitamin D (VD)/vitamin D receptor (VDR) on the development of oral lichen planus (OLP) and elaborate the underling mechanism of it. METHODS: H&E staining, myeloid Peroxidase (MPO) assays, quantitative PCR (qPCR), western blotting and Elisa were used to test the human biopsies and serum. QPCR, western blotting, Elisa and siRNA transfection were also performed in LPS-induced keratinocytes to observe the functions of vitamin D and VDR...
February 23, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28231613/genetic-determinism-vs-phenotypic-plasticity-in-protist-morphology
#8
Matthieu Mulot, Katarzyna Marcisz, Lara Grandgirard, Enrique Lara, Anush Kosakyan, Bjorn J M Robroek, Mariusz Lamentowicz, Richard J Payne, Edward A D Mitchell
Untangling the relationships between morphology and phylogeny is key to building a reliable taxonomy, but is especially challenging for protists, where the existence of cryptic or pseudocryptic species makes finding relevant discriminant traits difficult. Here we use Hyalosphenia papilio (a testate amoeba) as a model species to investigate the contribution of phylogeny and phenotypic plasticity in its morphology. We study the response of Hyalosphenia papilio morphology (shape and pores number) to environmental variables in 1) a manipulative experiment with controlled conditions (water level), 2) an observational study of a withinsite natural ecological gradient (water level), and 3) an observational study across 37 European peatlands (climate)...
February 23, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28231604/variations-in-body-morphology-explain-gender-differences-in-thermoeffector-function-during-compensable-heat-stress
#9
Sean R Notley, Joonhee Park, Kyoko Tagami, Norikazu Ohnishi, Nigel A S Taylor
Gender is sometimes thought to independently modulate cutaneous vasomotor and sudomotor function during heat exposure. Nevertheless, it was hypothesised that, when assessed during compensable exercise that evoked equal heat-loss requirements across participants, gender differences in those thermoeffectors would be explained by variations in the ratio between body surface area and mass (specific surface area). To evaluate that possibility, vasomotor and sudomotor functions were assessed in sixty individuals (36 males, 24 females) with widely varying (overlapping) specific surface areas (range: 232...
February 23, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28231591/predictive-success-factors-in-selective-upper-airway-stimulation
#10
Clemens Heiser, Benedikt Hofauer
Obstructive sleep apnea is one of the most common diseases in Western industrialized countries. A variety of conservative and surgical treatment options are available for its treatment. In recent years, selective upper airway stimulation (sUAS) has been shown to be effective and safe. Different biomarkers have been investigated as predictive clinical success factors in a number of clinical trials. Age does not matter in sUAS, as compared to its predictive role in other therapies. Weight seems to play a limited role, depending on drug-induced sleep endoscopy to rule out a complete concentric collapse with an increased body mass index...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231583/prevalence-of-impaired-kidney-function-in-the-german-elderly-results-from-the-berlin-aging-study-ii-base-ii
#11
Maximilian König, Maik Gollasch, Ilja Demuth, Elisabeth Steinhagen-Thiessen
BACKGROUND: In aging populations with an ever-growing burden of risk factors such as obesity, diabetes, and hypertension, chronic kidney disease (CKD) is on the rise. However, little is known about its exact prevalence among elderly adults, and often albuminuria is not included in the definition of CKD. Moreover, novel equations for the estimated glomerular filtration rate (eGFR) have recently emerged, which have not been applied comprehensively to older adults. Data on CKD awareness among the elderly are sparse...
February 24, 2017: Gerontology
https://www.readbyqxmd.com/read/28231576/molecular-markers-involved-in-tumorigenesis-of-thyroid-carcinoma-focus-on-aggressive-histotypes
#12
Gustavo C Penna, Fernanda Vaisman, Mario Vaisman, Manuel Sobrinho-Simões, Paula Soares
Thyroid cancer derived from follicular cells (TCDFC) comprises well-differentiated (papillary and follicular) carcinoma, poorly differentiated carcinoma, and anaplastic carcinoma. Papillary thyroid carcinoma is the most common endocrine cancer, and its incidence is steadily increasing. Lethality and aggressiveness of TCDFC is inversely correlated with differentiation degree. In this review, an emphasis has been put on molecular markers involved in tumorigenesis of thyroid carcinoma with a focus on aggressive histotypes and the role of such biomarkers in predicting thyroid cancer outcome...
February 24, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28231569/biomarkers-in-autoimmune-salivary-gland-disorders-a-review
#13
Benedikt Hofauer, Klaus Thuermel, Constanze Gahleitner, Andreas Knopf
Salivary glands are frequent sites of manifestations of autoimmune disorders in the head and neck. Sjögren syndrome, sarcoidosis, granulomatosis with polyangiitis, and IgG4-related sialadenitis represent the most important autoimmune salivary gland disorders. Due to the lack of specific symptoms, diagnosis of these conditions remains a challenge. Diagnosis is usually based on classification criteria involving clinical tests, histopathological evaluation, and serological examinations. Depending on the disease, biomarkers are of different value and have to be interpreted carefully...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231524/discovery-of-novel-cdk8-inhibitors-using-multiple-crystal-structures-in-docking-based-virtual-screening
#14
Taijin Wang, Zhuang Yang, Yongguang Zhang, Wei Yan, Fang Wang, Linhong He, Yuanyuan Zhou, Lijuan Chen
The cyclin dependent kinase CDK8, along with Med12 and Med13, form the kinase module of the Mediator complex. CDK8 expression associates with the activation of β-catenin in colon and gastric cancers. Herein, we applied docking-based virtual screening (VS) using the multiple crystal structures to identify several potent CDK8 inhibitors. The appropriate use of multiple crystal structures obtained a better enrichment of CDK8 conformations to cope with the protein flexibility. Later on, the 2D similarity search was used to find the derivatives of the high inhibitory CDK8 inhibitors we discovered by VS...
February 9, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231523/synergistic-effects-between-a-copper-based-metal-casiope%C3%A3-na-iii-ia-and-cisplatin
#15
Silvia Graciela Davila-Manzanilla, Yeshenia Figueroa-de-Paz, Carmen Mejia, Lena Ruiz-Azuara
Additive, subadditive or superadditive interactions observed in combination therapy play an important role in several treatments, particularly for cancer. The isobolographic analysis allows to establish the pharmacological interactions that exist between two drugs that are administered together in equieffective doses. In order to identify if the combination of two compounds presents synergistic interaction, the antiproliferative activity of CasIII-ia with analogue compounds or cisplatin in different molar ratios was evaluated...
February 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231503/ecotoxicity-assessment-of-ionic-as-iii-as-v-in-iii-and-ga-iii-species-potentially-released-from-novel-iii-v-semiconductor-materials
#16
Chao Zeng, Adrian Gonzalez-Alvarez, Emily Orenstein, Jim A Field, Farhang Shadman, Reyes Sierra-Alvarez
III-V materials such as indium arsenide (InAs) and gallium arsenide (GaAs) are increasingly used in electronic and photovoltaic devices. The extensive application of these materials may lead to release of III-V ionic species during semiconductor manufacturing or disposal of decommissioned devices into the environment. Although arsenic is recognized as an important contaminant due to its high toxicity, there is a lack of information about the toxic effects of indium and gallium ions. In this study, acute toxicity of As(III), As(V), In(III) and Ga(III) species was evaluated using two microbial assays testing for methanogenic activity and O2 uptake, as well as two bioassays targeting aquatic organisms, including the marine bacterium Aliivibrio fischeri (bioluminescence inhibition) and the crustacean Daphnia magna (mortality)...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231501/hsp70-expression-in-biomphalaria-glabrata-snails-exposed-to-cadmium
#17
Rebeca da Silva Cantinha, Sueli Ivone Borrely, Nancy Oguiura, Carlos Alberto de Bragança Pereira, Marcela M Rigolon, Eliana Nakano
In this study, the effects of the heavy metal cadmium on the stress protein HSP70 are investigated in freshwater mollusks Biomphalaria glabrata. Adult snails were exposed for 96h to CdCl2 at concentrations ranging from 0.09 to 0.7mgL(-1) (LC50/96h=0.34 (0.30-0.37). Time and concentration-dependent increases in the expression of HSP70 were observed at sub-lethal levels in the immunoblotting assay. Further, an increased survival to a lethal heat shock was observed in animals pre-exposed to a nonlethal concentration of cadmium, evidencing the induction of acquired tolerance...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231492/family-history-density-of-substance-use-problems-among-undergraduate-college-students-associations-with-heavy-alcohol-use-and-alcohol-use-disorder
#18
Gregory Powers, Lisa Berger, Daniel Fuhrmann, Michael Fendrich
PURPOSE: A family history of alcoholism has been found associated with problematic alcohol use among college students, but less research has examined the effects of family history density of substance use problems in this population. This study examined the prevalence of family history density of substance use problems and its associations with heavy alcohol use, negative alcohol consequences, and alcohol use disorder in a college sample. METHODS: Based on a secondary analysis of a probability sample, data were analyzed from 606 undergraduate students...
February 9, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28231489/moving-and-positioning-the-endolysosomal-system
#19
REVIEW
Juan S Bonifacino, Jacques Neefjes
The endolysosomal system is extremely dynamic, yet highly organized. The spatio-temporal distribution of endolysosomal organelles depends on transport driven by microtubule motors such as kinesins and dynein, and by actin-based myosin motors. It has recently become appreciated that interactions with motors are controlled by contacts with other organelles, particularly the endoplasmic reticulum (ER). The ER also controls the concentration of endolysosomal organelles in the perinuclear area, as well as their fission and fusion, through a complex system of tethering proteins...
February 20, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28231469/bassoon-controls-presynaptic-autophagy-through-atg5
#20
Nathan D Okerlund, Katharina Schneider, Sergio Leal-Ortiz, Carolina Montenegro-Venegas, Sally A Kim, Loren C Garner, Eckart D Gundelfinger, Richard J Reimer, Craig C Garner
Mechanisms regulating the surveillance and clearance of synaptic proteins are not well understood. Intriguingly, the loss of the presynaptic active zone proteins Piccolo and Bassoon triggers the loss of synaptic vesicles (SVs) and compromises synaptic integrity. Here we report that the destruction of SVs in boutons lacking Piccolo and Bassoon was associated with the induction of presynaptic autophagy, a process that depended on poly-ubiquitination, but not the E3 ubiquitin ligase Siah1. Surprisingly, gain or loss of function (LOF) of Bassoon alone suppressed or enhanced presynaptic autophagy, respectively, implying a fundamental role for Bassoon in the local regulation of presynaptic autophagy...
February 22, 2017: Neuron
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