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https://www.readbyqxmd.com/read/28637300/commercial-rodent-diets-differentially-regulate-autoimmune-glomerulonephritis-epigenetics-and-microbiota-in-mrl-lpr-mice
#1
Michael R Edwards, Rujuan Dai, Bettina Heid, Thomas E Cecere, Deena Khan, Qinghui Mu, Catharine Cowan, Xin M Luo, S Ansar Ahmed
The course and severity of lupus in spontaneous murine lupus models varies among laboratories, which may be due to variations in diet, housing and/or local environmental conditions. In this study, we investigated the influence of common rodent diets while keeping other factors constant. Female lupus-prone MRL/lpr mice were subjected to the same housing conditions and given one of the three diets: Teklad 7013 containing isoflavone rich soy and alfalfa, Harlan 2018 isoflavone rich soy-based diet, or ResearchDiets Inc...
June 15, 2017: International Immunology
https://www.readbyqxmd.com/read/28637087/deleting-pck-improves-growth-and-suppresses-by-product-formation-during-1-3-propanediol-fermentation-by-klebsiella-pneumoniae
#2
Yongqiang Zhang, Zongxiao Ji, Jie Lin, Danfeng Xu, Shuilin Fu, Heng Gong
AIMS: To investigate the role of phosphoenolpyruvate (PEP) carboxylation in cell metabolism in Klebsiella pneumoniae. METHODS AND RESULTS: The effects of deleting pck, which encodes PEP carboxykinase (PCK), and/or ppc, which encodes PEP carboxylase (PPC), on growth, enzyme activity, and metabolite formation of K. pneumoniae were investigated. A self-regulatory mechanism of PEP carboxylation was found in ppc- or pck-deficient mutants, which resulted in almost no change of succinate formation...
June 21, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28636976/improving-soil-nutrient-availability-increases-carbon-rhizodeposition-under-maize-and-soybean-in-mollisols
#3
Yunfa Qiao, Shujie Miao, Xiaozeng Han, Shuping Yue, Caixian Tang
Rhizodeposited carbon (C) is an important source of soil organic C, and plays an important role in the C cycle in the soil-plant-atmosphere continuum. However, interactive effects of plant species and soil nutrient availability on C rhizodeposition remain unclear. This experiment examined the effect of soil nutrient availability on C rhizodeposition of C4 maize and C3 soybean with contrasting photosynthetic capacity. The soils (Mollisols) were collected from three treatments of no fertilizer (Control), inorganic fertilizer only (NPK), and NPK plus organic manure (NPKM) in a 24-year fertilization field trial...
June 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28636679/towards-the-analysis-of-attosecond-dynamics-in-complex-systems
#4
C-Z Gao, P M Dinh, P-G Reinhard, E Suraud
We study from a theoretical perspective the ionization of molecules and clusters induced by irradiation of a combined two-color laser field consisting of a train of attosecond XUV pulses in the presence of an IR field. We use time-dependent density-functional theory (TDDFT) in real time and real space as a theoretical tool. The calculated results are compared to experimental data when available. We also compare TDDFT with results obtained using a time-dependent Schrödinger equation (TDSE), which is well suited to simple systems while TDDFT allows dealing with more complex molecules and clusters...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28636533/microrna-149-suppresses-hepatic-inflammatory-response-through-antagonizing-stat3-signaling-pathway
#5
Qiqi Zhang, Jia Su, Ziwei Wang, Hui Qi, Zeyong Ge, Zhijun Li, Wei-Dong Chen, Yan-Dong Wang
Chronic inflammation is increasingly recognized as an important component of tumorigenesis and metabolic diseases. The roles of microRNA149* (miRNA149*) in inflammation remain poorly understood. Here, we demonstrate that miR-149* is a suppressor of STAT3-mediated inflammation. MiR-149*-/- mice were generated with CRISPR/CAS9 technique. In a lipopolysaccharide (LPS)-induced inflammation model, miR-149*-/- mice show more severe liver injury and inflammation, compared with wild-type (WT) mice. MiR-149*-/- mice also displayed elevated messenger RNA (mRNA) levels of interleukin (IL)-6, inducible nitric oxide synthase (iNOS), complement C3 (C3) and IL-4 in response to LPS...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636319/green-catanionic-gemini-surfactant-lichenysin-mixture-improved-surface-antimicrobial-and-physiological-properties
#6
Albert Ruiz, Aurora Pinazo, Lourdes Pérez, Angeles Manresa, Ana M M Marqués
Catanionic surfactant mixtures form a wide variety of organized assemblies and aggregates with improved physicochemical and biological properties. The green catanionic mixture C3(CA)2:lichenysin (molar ratio 8:2) showed antimicrobial synergies against Yersinia enterocolitica, Bacillus subtilis, Escherichia coli O157:H7 and Candida albicans. Flow cytometry and viability studies indicated that this catanionic mixture increases the probability of Y. enterocolitica (38.2%) and B. subtilis (17.1%) cells entering a viable but nonculturable state...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28635360/the-association-between-apolipoprotein-a1-c3-a5-gene-cluster-promoter-polymorphisms-and-risk-of-ischemic-stroke-in-the-northern-chinese-han-population
#7
Yanzhe Wang, Fang Liu, Lei Li, Shumin Deng, Zhiyi He
Objective Given its effects on lipid metabolism, the apolipoprotein A1-C3-A5 ( APOA1-C3-A5) gene cluster is thought to play an important role in ischemic stroke pathogenesis. Here, we evaluated whether the APOA1-C3-A5 cluster is associated with ischemic stroke in the northern Chinese Han population. Methods This case-control study analyzed 812 patients with ischemic stroke and 844 healthy controls with regard to four APOA1-C3-A5 cluster promoter single nucleotide polymorphisms (SNPs), rs670, rs2854116, rs2854117, and rs662799, using the SNaPshot Multiplex sequencing assay...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28633895/synthesis-of-meon-neoglycosides-of-digoxigenin-with-6-deoxy-and-2-6-dideoxy-d-glucose-derivatives-and-their-anticancer-activity
#8
Dong-Dong Wang, Xiao-San Li, Yu-Zhou Bao, Jie Liu, Xiao-Kun Zhang, Xin-Sheng Yao, Xue-Long Sun, Jin-Shan Tang
Cardiac glycosides show anticancer activities and their deoxy-sugar chains are vital for their anticancer effects. In order to study the structure-activity relationship (SAR) of cardiac glycosides toward cancers and get more potent anticancer agents, a series of MeON-neoglycosides of digoxigenin was synthesized and evaluated. First, ten 6-deoxy- and 2,6-dideoxy-d-glucopyranosyl donors were synthesized starting from methyl α-d-glucopyranoside and 2-deoxy-d-glucose. Meanwhile, the digoxigenin was obtained by acidic hydrolysis of commercially available digoxin as glycosyl acceptor...
June 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28632965/frequent-col4-mutations-in-familial-microhematuria-accompanied-by-later-onset-alport-nephropathy-due-to-focal-segmental-glomerulosclerosis
#9
Louiza Papazachariou, Gregory Papagregoriou, Despina Hadjipanagi, Panagiota Demosthenous, Konstantinos Voskarides, Constantina Koutsofti, Kostas Stylianou, Petros Ioannou, Dimitris Xydakis, Ioannis Tzanakis, Antonia Papadaki, Nicolaos Kallivretakis, Nicolaos Nikolakakis, Garyfalia Perysinaki, Daniel P Gale, Athanasios Diamantopoulos, Pavlos Goudas, Dimitris Goumenos, Andreas Soloukides, Ioannis Boletis, Christina Melexopoulou, Eleni Georgaki, Elena Frysira, Fifi Komianou, Dimitrios Grekas, Christos Paliouras, Polichronis Alivanis, George Vergoulas, Alkis Pierides, Eugenios Daphnis, Constantinos Deltas
Familial microscopic hematuria (FMH) is associated with a genetically heterogeneous group of conditions including the collagen-IV nephropathies, the heritable C3/CFHR5 nephropathy and the glomerulopathy with fibronectin deposits. The clinical course varies widely, ranging from isolated benign familial hematuria to end-stage renal disease (ESRD) later in life. We investigated 24 families using Next Generation Sequencing (NGS) for five genes: COL4A3, COL4A4, COL4A5, CFHR5 and FN1. In 17 families (71%), we found 15 pathogenic mutations in COL4A3/A4/A5, nine of them novel...
June 20, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28632884/components-of-the-alternative-complement-pathway-in-patients-with-psoriasis
#10
Betul Sereflican, Guler Bugdayci
INTRODUCTION: Psoriasis is a chronic inflammatory skin disease. Adipose tissue plays important roles in the events that regulate body metabolism. This study determined the levels of complement 3 ( C3), acylation-stimulating protein (ASP), and adipsin, which take part in the alternate complement pathway, and are synthesized in and secreted by adipose tissue. METHODS: Thirty-two patients with psoriasis were matched with 22 controls in terms of age, sex, body mass index, and lipid profiles...
June 2017: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
https://www.readbyqxmd.com/read/28631660/crescentic-c3-glomerulopathy-with-acquired-partial-lipodystrophy-an-unusual-cause-of-rapidly-progressive-renal-failure
#11
Smita Mary Matthai, Shibu Jacob, Raiyani Palak, K Jagdish, Santosh Varughese, V Tamilarasi
No abstract text is available yet for this article.
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631434/survival-of-spray-dried-and-free-cells-of-potential-probiotic-lactobacillus-plantarum-564-in-soft-goat-cheese
#12
Zorica Radulović, Jelena Miočinović, Nemanja Mirković, Milica Mirković, Dušanka Paunović, Marina Ivanović, Sanja Seratlić
A high viability of probiotics in food product, with a living cells threshold of 10(7) /cfu/g (colony-forming units/g) is a challenge to achieve in food production. Spray drying is an efficient and economic industrial method for probiotic bacterial preservation and its application in food products. In this study, the survival of free and spray-dried cells of potential probiotic strain Lactobacillus plantarum 564 after production and during 8 weeks of storage of soft acid coagulated goat cheese was investigated, as well as compositional and sensory quality of cheese...
June 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28630917/mntio3-driven-low-temperature-oxidative-coupling-of-methane-over-tio2-doped-mn2o3-na2wo4-sio2-catalyst
#13
Pengwei Wang, Guofeng Zhao, Yu Wang, Yong Lu
Oxidative coupling of methane (OCM) is a promising method for the direct conversion of methane to ethene and ethane (C2 products). Among the catalysts reported previously, Mn2O3-Na2WO4/SiO2 showed the highest conversion and selectivity, but only at 800° to 900°C, which represents a substantial challenge for commercialization. We report a TiO2-doped Mn2O3-Na2WO4/SiO2 catalyst by using Ti-MWW zeolite as TiO2 dopant as well as SiO2 support, enabling OCM with 26% conversion and 76% C2-C3 selectivity at 720°C because of MnTiO3 formation...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630648/comparative-metabolic-profiling-of-the-lipid-producing-green-microalga-chlorella-reveals-that-nitrogen-and-carbon-metabolic-pathways-contribute-to-lipid-metabolism
#14
Hui Chen, Yanli Zheng, Jiao Zhan, Chenliu He, Qiang Wang
Microalgae are a promising feedstock for biofuel production. Microalgal metabolic pathways are heavily influenced by environmental factors. For instance, lipid metabolism can be induced by nitrogen-limiting conditions. However, the underlying mechanisms of lipid biosynthesis are unclear. In this study, we analyzed the global metabolic profiles of three genetically closely related Chlorella strains (C1, C2, and C3) with significant differences in lipid productivity to identify the contributions of key metabolic pathways to lipid metabolism...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28629435/eculizumab-treatment-stochastic-occurrence-of-c3-binding-to-individual-pnh-erythrocytes
#15
Michela Sica, Tommaso Rondelli, Patrizia Ricci, Maria De Angioletti, Antonio M Risitano, Rosario Notaro
BACKGROUND: C5 blockade by eculizumab prevents complement-mediated intravascular hemolysis in paroxysmal nocturnal hemoglobinuria (PNH). However, C3-bound PNH red blood cells (RBCs), arising in almost all treated patients, may undergo extravascular hemolysis reducing clinical benefits. Despite the uniform deficiency of CD55 and of CD59, there are always two distinct populations of PNH RBCs, with (C3+) and without (C3-) C3 binding. METHODS: To investigate this paradox, the phenomenon has been modeled in vitro by incubating RBCs from eculizumab untreated PNH patients with compatible sera containing eculizumab, and by assessing the C3 binding after activation of complement alternative pathway...
June 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28628503/influence-of-refractive-status-on-the-higher-order-aberration-pattern-after-small-incision-lenticule-extraction-surgery
#16
Liuyang Li, George P M Cheng, Alex L K Ng, Tommy C Y Chan, Vishal Jhanji, Yan Wang
PURPOSE: To study the effect of myopia on the pattern change in higher-order aberrations after small incision lenticule extraction. METHODS: Sixty eyes of 60 patients were included: low myopia (≤-3.00 D), moderate myopia (-3.00 D to -6.00 D), and high myopia (≥-6.00 D). Total higher-order aberrations (tHOA), vertical coma (C3), horizontal coma (C3), and spherical aberration (C4) were measured preoperatively and at postoperative 3 months. RESULTS: At the end of 3 months, tHOA changed significantly compared with the preoperative values (P < 0...
June 14, 2017: Cornea
https://www.readbyqxmd.com/read/28628381/monoclonal-immunoglobulin-associated-proliferative-glomerulonephritis-characterized-by-organized-deposits-of-striated-ultra-substructures-a-case-report
#17
Shigeo Hara, Hiroyasu Tsukaguchi, Tastufumi Oka, Makiko Kusabe, Masayuki Mizui, Kensuke Joh
We herein report the case of a 64-year-old male who presented with progressive glomerulonephritis notable for organized and striated ultra-substructures. The patient was diagnosed with hypertension and proteinuria 3 years prior to admission and subsequently developed nephrotic syndrome and impairment of renal function. Laboratory tests did not reveal any evidence of infections or autoimmune diseases. Monoclonal gammopathy was not detected in serum or urine, although a small population of abnormal plasma cell clones was detected by flow cytometry...
June 19, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28627405/the-effects-of-dietary-leucine-on-the-growth-performances-body-composition-metabolic-abilities-and-innate-immune-responses-in-black-carp-mylopharyngodon-piceus
#18
Chenglong Wu, Lian Chen, Zhibin Lu, Jun'e Gao, Yudan Chu, Liang Li, Ming Wang, Geying Zhang, Miaotong Zhang, Jinyun Ye
The present study was focused on the growth, body composition, metabolic abilities and innate immune responses in juvenile black carp Mylopharyngodon piceus fed with six levels of dietary leucine (7.3, 12.4, 16.2, 21.9, 28.3 and 34.5 g kg(-1)) for 9 weeks. Results showed that the highest weight gain (WG) and the lowest feed conversion ratio (FCR) was obtained at 23.5 and 23.9 g kg(-1) dietary leucine using second-order polynomial model, respectively. Adequate dietary leucine content (21.9 and 28.3 g kg(-1)) could significantly up-regulate the expression levels of neuropeptide Y (NPY) and ghrelin (GRL) in the brain of black carp juveniles...
June 13, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28627346/-study-on-rac1-mapk-erk-pathway-mediated-mechanism-and-role-in-rats-with-ventilator-induced-lung-injury
#19
Guanghua Tao, Linghui Pan, Ren Jing, Fei Lin, Huijun Dai, Wanyun Ge
OBJECTIVE: To investigate the role of Ras-related C3 botulinum toxin substrate 1/mitogen-activated protein kinase/extracellular signal-regulated kinase (Rac1/MAPK/ERK) signal pathway in rats with ventilator induced lung injury (VILI) and its mechanism. METHODS: Thirty Sprague-Dawley (SD) rats were randomly divided into spontaneous respiration group, normal tidal volume (VT) group and high VT group with 10 rats in each group. The rats in spontaneous respiration group were kept their spontaneous breathing...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627172/regiodivergent-glycosylations-of-6-deoxy-erythronolide-b-and-oleandomycin-derived-macrolactones-enabled-by-chiral-acid-catalysis
#20
Jia-Hui Tay, Alonso J Argüelles, Matthew D DeMars, Paul M Zimmerman, David H Sherman, Pavel Nagorny
This work describes the first example of using chiral catalysts to control site-selectivity for the glycosylations of complex polyols such as 6-deoxyerythronolide B and oleandomycin-derived macrolactones. The regiodivergent introduction of sugars at the C3, C5, and C11 positions of macrolactones was achieved by selecting appropriate chiral acids as catalysts or through introduction of stoichiometric boronic acid-based additives. BINOL-based chiral phosphoric acids (CPAs) were used to catalyze highly selective glycosylations at the C5 positions of macrolactones (up to 99:1 rr), whereas the use of SPINOL-based CPAs resulted in selectivity switch and glycosylation of the C3 alcohol (up to 91:9 rr)...
June 19, 2017: Journal of the American Chemical Society
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