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https://www.readbyqxmd.com/read/27936517/-novel-biomarkers-for-the-assessment-of-pediatric-systemic-lupus-erythematosus-nephritis
#1
Artemis Koutsonikoli, Maria Trachana, Evangelia Farmaki, Vasiliki Tzimouli, Polyxeni Pratsidou-Gertsi, Nikoleta Printza, Alexandros Garyphallos, Vasiliki Galanopoulou, Florence Kanakoudi-Tsakalidou, Fotios Papachristou
OBJECTIVES: The discovery of serum biomarkers specific for pediatric Lupus Nephritis (pLN) will facilitate the non-invasive diagnosis, follow-up and more appropriate use of treatment. The aim of this study was to explore the role of serum High-Mobility-Group-Box-1 (HMGB1) protein, antibodies against nucleosomes (anti-NCS), complement factor C1q (anti-C1q) and glomerular basement membrane (anti-GBM) in pLN. METHODS: Serum samples of 42 patients with pediatric Systemic Lupus Erythematosus (pSLE) (22 with pLN and 20 without renal involvement), fifteen patients with other autoimmune nephritis (AN) and 26 healthy controls (HCs) were examined using ELISA...
December 9, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27936510/systematic-evaluation-of-cs-rosetta-for-membrane-protein-structure-prediction-with-sparse-noe-restraints
#2
Katrin Reichel, Olivier Fisette, Tatjana Braun, Olivier F Lange, Gerhard Hummer, Lars V Schäfer
We critically test and validate the CS-Rosetta methodology for de novo structure prediction of α-helical membrane proteins (MPs) from NMR data, such as chemical shifts and NOE distance restraints. By systematically reducing the number and type of NOE restraints, we focus on determining the regime in which MP structures can be reliably predicted and pinpoint the boundaries of the approach. Five MPs of known structure were used as test systems, phototaxis sensory rhodopsin II (pSRII), a subdomain of pSRII, disul_de binding protein B (DsbB), microsomal prostaglandin E2 synthase-1 (mPGES-1), and translocator protein (TSPO)...
December 9, 2016: Proteins
https://www.readbyqxmd.com/read/27936496/simultaneous-stimulation-of-the-sbpase-fbp-aldolase-and-the-photorespiratory-gdc-h-protein-increases-co2-assimilation-vegetative-biomass-and-seed-yield-in-arabidopsis
#3
Andrew J Simkin, Patricia E Lopez-Calcagno, Philip A Davey, Lauren R Headland, Tracy Lawson, Stefan Timm, Hermann Bauwe, Christine A Raines
In this paper we have altered the levels of three different enzymes involved in the Calvin Benson cycle and photorespiratory pathway. We have generated transgenic Arabidopsis plants with altered combinations of sedoheptulose 1,7-bisphosphatase (SBPase), fructose 1,6-bisphophate aldolase (FBPA) and the glycine decarboxylase H-protein (GDC-H) gene identified as targets to improve photosynthesis based on previous studies. Here, we show that increasing the levels of the three corresponding proteins, either independently or in combination, significantly increases the quantum efficiency of PSII...
December 9, 2016: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/27936488/ro52-trim21-deficient-expression-and-function-in-different-subsets-of-peripheral-blood-mononuclear-cells-is-associated-with-a-pro-inflammatory-cytokine-response-in-patients-with-idiopathic-inflammatory-myopathies
#4
D Gómez-Martín, A S Galindo-Feria, A Barrera-Vargas, J Merayo-Chalico, G Juárez-Vega, J Torres-Ruiz, J Alcocer-Varela
The presence of anti-Ro52/Trim21 autoantibodies has been associated with a distinctive clinical profile and has gained value as a prognostic marker in idiopathic inflammatory myopathies (IIM). The aim of the present work was to analyze Ro52/Trim21 expression in different subsets of peripheral blood mononuclear cells (PBMCs) of patients with IIM, as well as the ubiquitination profile and its association with pro-inflammatory cytokine production. We included 18 patients with recent onset IIM and 18 age and gender-matched healthy donors...
December 9, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27936466/dpp4-cd26-overexpression-in-urothelial-carcinoma-confers-an-independent-prognostic-impact-and-correlates-with-intrinsic-biological-aggressiveness
#5
Peir-In Liang, Bi-Wen Yeh, Wei-Ming Li, Ti-Chun Chan, I-Wei Chang, Chun-Nung Huang, Ching-Chia Li, Hung-Lung Ke, Hsin-Chih Yeh, Wen-Jeng Wu, Chien-Feng Li
Urothelial carcinoma (UC) is common cancer worldwide. The molecular aberrations regarding tumor progression remain unclear. Pericellular proteolysis is crucial in tumorigenesis, but its significance is unexplored in UC. By data mining the datasets in Gene Expression Omnibus, specifically focus on the proteolysis pathway, and followed by a preliminary validation in a pilot batch of tumor samples, we identified that the upregulation of dipeptidyl peptidase 4 (DPP4) was most significantly associated with clinical aggressiveness of UCs...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27936456/1%C3%AE-25-dihydroxyvitamin-d-inhibits-de-novo-fatty-acid-synthesis-and-lipid-accumulation-in-metastatic-breast-cancer-cells-through-down-regulation-of-pyruvate-carboxylase
#6
Tomasz Wilmanski, Kimberly Buhman, Shawn S Donkin, John R Burgess, Dorothy Teegarden
Both increased de novo fatty acid synthesis and higher neutral lipid accumulation are a common phenotype observed in aggressive breast cancer cells, making lipid metabolism a promising target for breast cancer prevention. In the present studies, we demonstrate a novel effect of the active metabolite of vitamin D, 1α,25-dihydroxyvitamin D (1,25(OH)₂D) on lipid metabolism in malignant breast epithelial cells. Treatment of MCF10CA1a breast epithelial cells with 1,25(OH)₂D (10 nM) for 5 and 7 days decreased the level of triacylglycerol, the most abundant form of neutral lipids, by 20%(±3...
December 1, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27936435/bilobalide-abates-inflammation-insulin-resistance-and-secretion-of-angiogenic-factors-induced-by-hypoxia-in-3t3-l1-adipocytes-by-controlling-nf-%C3%AE%C2%BAb-and-jnk-activation
#7
A Priyanka, G Sindhu, G L Shyni, M R Preetha Rani, V M Nisha, K G Raghu
Obesity leads to inflammation and insulin resistance in adipose tissue. Hypoxia, observed in obese adipose tissue is suggested as a major cause of inflammation and insulin resistance in obesity. However, the role of hypoxia in adipose tissue during obesity and insulin resistance was not well established. Here we mainly explored the crosstalk between hypoxia induced inflammation, and insulin resistance and also secretion of angiogenic factors in 3T3-L1 adipocytes and possible reversal with bilobalide. Hypoxia for 24h significantly (P≤0...
December 6, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27936434/mineralocorticoid-receptor-haplotype-estradiol-progesterone-and-emotional-information-processing
#8
Danielle A Hamstra, E Ronald de Kloet, Ina Quataert, Myrthe Jansen, Willem Van der Does
BACKGROUND: Carriers of MR-haplotype 1 and 3 (GA/CG; rs5522 and rs2070951) are more sensitive to the influence of oral contraceptives (OC) and menstrual cycle phase on emotional information processing than MR-haplotype 2 (CA) carriers. We investigated whether this effect is associated with estradiol (E2) and/or progesterone (P4) levels. METHOD: Healthy MR-genotyped premenopausal women were tested twice in a counterbalanced design. Naturally cycling (NC) women were tested in the early-follicular and mid-luteal phase and OC-users during OC-intake and in the pill-free week...
November 30, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27936426/statistical-comparison-of-mass-spectra-for-identification-of-amphetamine-type-stimulants
#9
Melissa A Bodnar Willard, Victoria L McGuffin, Ruth Waddell Smith
A method for the statistical comparison of mass spectral data is demonstrated for applications in controlled substance analysis. The method uses an unequal variance t-test at each mass-to-charge ratio in the scan range to determine if two spectra are statistically associated or discriminated. If the two spectra are associated, a random-match probability is calculated to estimate the likelihood that the mass spectral fragmentation pattern in question occurs by random chance alone. If the two spectra are discriminated, the fragment ions responsible for the discrimination are determined...
November 22, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27936424/boar-taint-meat-quality-and-fail-rate-in-entire-male-pigs-and-male-pigs-immunized-against-gonadotrophin-releasing-factor-as-related-to-body-weight-and-feeding-regime
#10
K L Moore, B P Mullan, F R Dunshea
The objective of this experiment was to compare the pork quality of entire male pigs and pigs immunized against GnRF (IC males) at both light (64.8kg) and heavy (106kg) liveweights and two feeding regimes (restricted at 2.5 times maintenance and ad libitum). There was no difference in objective measurements (P>0.05) or eating pork quality (P>0.1) between entire male and IC males. Fail rates were reduced by 9.1% and 12% for pork from IC males for quality grade (P=0.007) and re-purchase intention (P=0.001), respectively, compared to pork from entire males...
December 2, 2016: Meat Science
https://www.readbyqxmd.com/read/27936381/a-proteomic-approach-for-rapid-identification-of-weissella-species-isolated-from-korean-fermented-foods-on-maldi-tof-ms-supplemented-with-an-in-house-database
#11
Eiseul Kim, Youngjae Cho, Yoonju Lee, Sun-Kyung Han, Chang-Gyeom Kim, Dong-Won Choo, Young-Rok Kim, Hae-Yeong Kim
Weissella are obligate heterofermentative lactic acid bacteria belonging to the Leuconostocaceae family. Some Weissella can be found in salted and fermented foods, such as kimchi and jeotgal, and plays an important role in the fermentation process. In the present study, for the first time, a rapid and accurate identification method for Weissella species from kimchi and jeotgal was developed based on MALDI-TOF MS, supplemented with an in-house database. Of the 135 Weissella spectra aligned with the MALDI bioTyper database, 56 isolates (41...
December 5, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27936366/the-association-between-secondhand-harms-from-alcohol-and-mental-health-outcomes-among-postsecondary-students
#12
Kara Thompson, Parnell Davis-MacNevin, Michael Teehan, Sherry Stewart
OBJECTIVE: There is a paucity of research on the prevalence and consequences of secondhand harms from alcohol. The current study (a) investigated whether secondhand harms can be clustered into latent factors that reflect distinct but related types of harms and (b) examined the associations between experiencing secondhand harms and mental health outcomes, including anxiety, depression, and subjective mental well-being, among first-year Canadian postsecondary students. The moderating effect of living arrangement (i...
January 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/27936365/how-much-is-too-much-patterns-of-drinking-during-alcohol-treatment-and-associations-with-post-treatment-outcomes-across-three-alcohol-clinical-trials
#13
Katie Witkiewitz, Corey R Roos, Matthew R Pearson, Kevin A Hallgren, Stephen A Maisto, Megan Kirouac, Alyssa A Forcehimes, Adam D Wilson, Charles S Robinson, Elizabeth McCallion, J Scott Tonigan, Nick Heather
OBJECTIVE: This secondary data analysis examined patterns of drinking during alcohol treatment and associated drinking outcomes during the first year following treatment. The goal was to provide clinicians with guidance on which patients may be most at risk for negative long-term outcomes based on drinking patterns during treatment. METHOD: This study was an analysis of existing data (N = 3,851) from three randomized clinical trials for alcohol use disorder: the COMBINE Study (n = 1,383), Project MATCH (n = 1,726), and the United Kingdom Alcohol Treatment Trial (n = 742)...
January 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/27936357/does-alcohol-contribute-to-college-men-s-sexual-assault-perpetration-between-and-within-person-effects-over-five-semesters
#14
Maria Testa, Michael J Cleveland
OBJECTIVE: The current longitudinal study was designed to consider the time-varying effects of men's heavy episodic drinking (HED) and drinking setting attendance on college sexual assault perpetration. METHOD: Freshman men (N = 992) were recruited in their first semester and completed online measures at the end of their first five semesters. Using multilevel models, we examined whether men with higher frequency HED (or party or bar attendance) were more likely to perpetrate sexual assault (between-person, Level 2 effect) and whether sexual assault perpetration was more likely in semesters in which HED (or party or bar attendance) was higher than each individual's average (within-person, Level 1 effect)...
January 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/27936340/high-morning-blood-pressure-surge-is-associated-with-oxidative-stress-and-paraoxonase-1-activity-in-newly-diagnosed-hypertensive-patients
#15
Onur Kaypaklı, Mustafa Gür, Hazar Harbalıoğlu, Taner Şeker, Şahabettin Selek
BACKGROUND: Both oxidative stress and morning surge (MS) of blood pressure (BP) were found to be closely related with cardiovascular and cerebrovascular diseases. We investigated the association between MS of BP and oxidative stress in newly diagnosed hypertensive patients. METHODS: We prospectively included 237 newly diagnosed hypertensive patients in the present study (mean age: 51.6 ± 11.7 years). The patients were classified according to the extent of the sleep-through surge as follows: the top decile of sleep-through surge (>47...
December 9, 2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27936332/an-association-of-serum-alt-with-elevated-blood-pressure-in-senior-adults-a-case-control-study
#16
Xiuqin Hong, Nualnong Wongtongkam, Paul Russell Ward, Shuiyuan Xiao, Shuling Wang, Qian Peng, Qi Zuo, Dan Zeng, Jia Wang, Chenxu Wang, Jian Chen, Na Zhang
Hypertension is a major risk factor for cardiovascular diseases in China; hence, identifying good serum markers might provide cost benefits in terms of reducing morbidity rates. In this population-based case-control study, participants were recruited from five districts in Hunan province, and 416 cases were matched with an equal number of controls. Markers related to elevated blood pressure were assessed: Body Mass Index, total cholesterol, triglycerides, fasting blood glucose, and creatinine. Three potential serum markers homocysteine (HCY), C-reactive protein (CRP), and alanine aminotransferase (ALT) were dichotomized as normal or high level...
December 9, 2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27936325/effect-of-heteroatom-substitution-on-transport-in-alkane-dithiol-based-molecular-tunnel-junctions-evidence-for-universal-behavior
#17
Zuoti Xie, Ioan Baldea, Stuart Oram, Christopher E Smith, C Daniel Frisbie
The transport properties of molecular junctions based on alkane dithiols with three different methylene chain lengths were compared with junctions based on similar chains wherein every third -CH2- was replaced with O or S, i.e., following the general formula: HS(CH2CH2X)nCH2CH2SH, where X = CH2, O or S, and n = 1, 2, or 3. Conducting probe atomic force microscopy (CP-AFM) revealed that the low bias resistance of the chains increased upon substitution in the order CH2 < O < S. This change in resistance is ascribed to the observed identical trend in contact resistance, R_c, whereas the exponential prefactor β (length sensitivity) was essentially the same for all chains...
December 9, 2016: ACS Nano
https://www.readbyqxmd.com/read/27936236/an-evaluation-of-selected-populations-for-hiv-1-vaccine-cohort-development-in-nigeria
#18
Ogbonnaya S Njoku, Mark M Manak, Robert J O'Connell, Ashley L W Shutt, Jennifer A Malia, Richard A Heipertz, Sodsai Tovanabutra, Mark J Milazzo, Gideon Akindiran Akintunde, Abraham S Alabi, Aminu Suleiman, Amos A Ogundeji, Terfa S Kene, Robbie Nelson, Ojor R Ayemoba, Darrell E Singer, Merlin L Robb, Sheila A Peel, Nelson L Michael
Development of a globally effective HIV-1 vaccine will need to encompass Nigeria, one of the hardest hit areas, with an estimated 3.2 million people living with HIV. This cross-sectional Institutional Review Board (IRB) approved study was conducted in 2009-12 at four market sites and two highway settlements sites in Nigeria to identify and characterize populations at high risk for HIV; engage support of local stakeholders; and assess the level of interest in future vaccine studies. Demographic, HIV risk data were collected by structured interviewer-administered questionnaires...
2016: PloS One
https://www.readbyqxmd.com/read/27936224/change-in-serum-bilirubin-level-as-a-predictor-of-incident-metabolic-syndrome
#19
You-Bin Lee, Seung-Eun Lee, Ji Eun Jun, Jae Hwan Jee, Ji Cheol Bae, Sang-Man Jin, Jae Hyeon Kim
AIM: Serum bilirubin level was negatively associated with the prevalence of metabolic syndrome (MetS) in previous cross-sectional studies. However, bilirubin variance preceding the development of MetS has yet to be investigated. We aimed to determine the effect of change in bilirubin concentration on the risk of incident MetS in healthy Korean adults. METHODS: We conducted a retrospective longitudinal study of subjects who had undergone at least four yearly health check-ups between 2006 and 2012...
2016: PloS One
https://www.readbyqxmd.com/read/27936169/effects-of-supplementation-of-the-synbiotic-ecologic%C3%A2-825-fos-p6-on-intestinal-barrier-function-in-healthy-humans-a-randomized-controlled-trial
#20
E Wilms, J Gerritsen, H Smidt, I Besseling-van der Vaart, G T Rijkers, A R Garcia Fuentes, A A M Masclee, F J Troost
BACKGROUND AND AIMS: Probiotics, prebiotics and synbiotics have been suggested as dietary strategies to improve intestinal barrier function. This study aimed to assess the effect of two weeks synbiotic supplementation on intestinal permeability under basal and stressed conditions. Secondary aims were the assessment of two weeks synbiotic supplementation on systemic immune function and gastrointestinal symptoms including defecation pattern. DESIGN: Twenty healthy adults completed a double-blind, controlled, randomized, parallel design study...
2016: PloS One
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