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https://www.readbyqxmd.com/read/28926818/effects-of-genetically-modified-cotton-stalks-on-antibiotic-resistance-genes-inti1-and-inti2-during-pig-manure-composting
#1
Manli Duan, Jie Gu, Xiaojuan Wang, Yang Li, Sheqi Zhang, Yanan Yin, Ranran Zhang
Genetically modified (GM) cotton production generates a large yield of stalks and their disposal is difficult. In order to study the feasibility of using GM cotton stalks for composting and the changes that occur in antibiotic resistance genes (ARGs) during composting, we supplemented pig manure with GM or non-GM cotton stalks during composting and we compared their effects on the absolute abundances (AA) of intI1, intI2, and ARGs under the two treatments. The compost was mature after processing based on the germination index and C/N ratio...
September 16, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28926131/region-specific-impairment-of-the-cervical-spinal-cord-sc-in-amyotrophic-lateral-sclerosis-a-preliminary-study-using-sc-templates-and-quantitative-mri-diffusion-tensor-imaging-inhomogeneous-magnetization-transfer
#2
Henitsoa Rasoanandrianina, Aude-Marie Grapperon, Manuel Taso, Olivier M Girard, Guillaume Duhamel, Maxime Guye, Jean-Philippe Ranjeva, Shahram Attarian, Annie Verschueren, Virginie Callot
In this preliminary study, our objective was to investigate the potential of high-resolution anatomical imaging, diffusion tensor imaging (DTI) and conventional/inhomogeneous magnetization transfer imaging [magnetization transfer (MT)/inhomogeneous magnetization transfer (ihMT)] at 3 T, analyzed with template-extracted regions of interest, to measure the atrophy and structural changes of white (WM) and gray (GM) matter spinal cord (SC) occurring in patients with amyotrophic lateral sclerosis (ALS). Ten patients with ALS and 20 age-matched healthy controls were recruited...
September 19, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28924369/il-12-influence-mtor-to-modulate-cd8-t-cells-differentiation-through-t-bet-and-eomesodermin-in-response-to-invasive-pulmonary-aspergillosis
#3
Hao Wang, Jingdong Li, Qiyang Han, Fei Yang, Yu Xiao, Meng Xiao, Yingchun Xu, Longxiang Su, Na Cui, Dawei Liu
Objective: To investigate whether mTOR signaling pathway regulate the proliferation and differentiation of CD8(+) T cells by transcription factors T-bet and Eomes, and explore the role of IL-12 in this biological procedure. Methods: Aspergillus fumigatus spore suspension nasal inhalation was used to establish the invasive pulmonary aspergillosis (IPA) mouse model. After inoculation, rapamycin (2mg/kg) each day or IL-12 (5ug/kg) every other day was given for 7 days. The blood samples were obtained before the mice sacrificed and lung specimens were taken...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28923479/neuralrepresentation-of-cost-benefit-selectionsin-medial-prefrontal-cortex-of-rats
#4
Hua Tang, Xuan Sun, Bao-Ming Li, Fei Luo
Decision making refers to the process that subjects use to choose between competing courses of action based on the expected costs and benefits of their consequences. However, few studies have addressed the neuronal mechanisms behind the processes of howcosts and benefits influence decision making. Here we investigated the neuronal representation of costs and benefitstowards a goal-directed action under a differential reward schedule by training rats to perform a "Do more, get more" (DM-GM) task utilizinga nosepoke operandum, where longer nosepoke durations resulted in correspondingly larger rewards...
September 15, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28923437/in-vitro-studies-with-human-intestinal-epithelial-cell-line-monolayers-for-protein-hazard-characterization
#5
REVIEW
Bryan Delaney
Evaluating the safety of newly expressed proteins in genetically modified (GM) crops is conducted prior to commercialization to determine whether they could present a hazard upon consumption. A multicomponent, weight of evidence approach has been applied to individual proteins that has often included acute oral toxicology studies. Based on resources required to produce and purify the proteins, the number of animals necessary for these studies and the fact that no evidence of hazard has been observed for any of the proteins tested to date, it is questionable whether acute toxicology studies should be conducted for all proteins...
September 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28923424/depletion-of-regulatory-t-cells-by-anti-icos-antibody-enhances-anti-tumor-immunity-of-tumor-cell-vaccine-in-prostate-cancer
#6
Lijun Mo, Qianmei Chen, Xinji Zhang, Xiaojun Shi, Lili Wei, Dianpeng Zheng, Hongwei Li, Jimin Gao, Jinlong Li, Zhiming Hu
ICOS(+)Treg cells exert important immunosuppressive effects in tumor immunity. We adopt a combination approach of ICOS(+)Treg cells depletion with tumor cell vaccine to evaluate anti-tumor immunity in mouse prostate cancer model. Streptavidin (SA)-mGM-CSF surface-modified RM-1 cells were prepared as the vaccine and the mouse subcutaneous prostate tumor model was used to evaluate the immunity. Tumor growth, flow cytometry, immunohistochemistry, immunofluorescence and enzyme linked immunosorbent assay (ELISA) were performed to evaluate the therapeutic effects...
September 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28923402/synergistic-chemo-photodynamic-therapy-by-big-small-combo-nanoparticles-sequential-release-system
#7
Li Fan, Saisai Zhao, Xin Jin, Yongsheng Zhang, Chaojun Song, Hong Wu
Chemo-photodynamic combination has been manifested great potential for synergistic cancer therapy. Moreover, the synergistic efficacy could be significantly enhanced by well designed sequential release manner of photosensitizers (PSs). Here we propose a "Big & small combo nanoparticles (NPbig&small)" system for double loading PSs methylene blue (MB) and single absorbing chemotherapeutics drug Gemcitabine hydrochloride (GM(.)HCl). The "grown-in" MB from NPbig&small show two-peak sequential release profile, significantly improve the absorbed chemo therapeutic efficacy of GM(...
September 15, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28922371/the-association-between-cigarette-smoking-and-inflammation-the-genetic-epidemiology-network-of-arteriopathy-genoa-study
#8
Martin Tibuakuu, Daisuke Kamimura, Sina Kianoush, Andrew P DeFilippis, Mahmoud Al Rifai, Lindsay M Reynolds, Wendy B White, Kenneth R Butler, Thomas H Mosley, Stephen T Turner, Iftikhar J Kullo, Michael E Hall, Michael J Blaha
To inform the study and regulation of emerging tobacco products, we sought to identify sensitive biomarkers of tobacco-induced subclinical cardiovascular damage by testing the cross-sectional associations of smoking with 17 biomarkers of inflammation in 2,702 GENOA study participants belonging to sibships ascertained on the basis of hypertension. Cigarette smoking was assessed by status, intensity (number of cigarettes per day), burden (pack-years of smoking), and time since quitting. We modeled biomarkers as geometric mean (GM) ratios using generalized estimating equations (GEE)...
2017: PloS One
https://www.readbyqxmd.com/read/28922156/soluble-oligomers-require-a-ganglioside-to-trigger-neuronal-calcium-overload
#9
Roberta Cascella, Elisa Evangelisti, Alessandra Bigi, Matteo Becatti, Claudia Fiorillo, Massimo Stefani, Fabrizio Chiti, Cristina Cecchi
An altered distribution of membrane gangliosides (GM), including GM1, has recently been reported in the brains of Alzheimer's disease (AD) patients. Moreover, amyloid-positive synaptosomes obtained from AD brains were found to contain high-density GM1 clusters, suggesting a pathological significance of GM1 increase at presynaptic neuritic terminals in AD. Here, we show that membrane GM1 specifically recruits small soluble oligomers of the 42-residue form of amyloid-β peptide (Aβ42), with intracellular flux of Ca2+ ions in primary rat hippocampal neurons and in human neuroblastoma cells...
September 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28922049/magnitudes-of-muscle-activation-of-spine-stabilizers-in-healthy-adults-during-prone-on-elbow-planking-exercises-with-and-without-a-fitness-ball
#10
James W Youdas, Kendra C Coleman, Erin E Holstad, Stephanie D Long, Nicole L Veldkamp, John H Hollman
Prone planking exercises have been used by rehabilitation professionals to activate torso muscles in healthy persons and those with low back pain. The aim of this study was to compare the magnitude of electromyographic (EMG) muscle activation from 10 right-sided muscles as demonstrated by the percentage of maximum voluntary isometric contraction (%MVIC) during four planking procedures. Surface EMG activity was acquired from the following muscles: (1) iliocostalis lumborum (IL), (2) longissimus thoracis (LT), (3) lumbar multifidus (LM), (4) rectus abdominis (RA), (5) external oblique (EO), (6) internal oblique (IO), (7) serratus anterior (SA), (8) latissimus dorsi (LD), (9) hamstrings (HS), and (10) gluteus maximus (GM)...
September 18, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28921660/rapid-whole-brain-gray-matter-imaging-using-single-slab-three-dimensional-dual-echo-fast-spin-echo-a-feasibility-study
#11
Hyunyeol Lee, Eung Yeop Kim, Chul-Ho Sohn, Jaeseok Park
PURPOSE: To achieve rapid, high resolution whole-brain gray matter (GM) imaging by developing a novel, single-slab three-dimensional dual-echo fast-spin-echo pulse sequence and GM-selective reconstruction. METHODS: Unlike conventional GM imaging that uses time-consuming double-inversion-recovery preparation, the proposed pulse sequence was designed to have two split portions along the echo train, in which the first half was dedicated to yield short inversion recovery (IR)-induced white matter suppression and variable-flip-angle-induced two-step GM signal evolution while the second half cerebrospinal fluid-only signals...
September 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28921400/gut-microbiota-and-il-17a-physiological-and-pathological-responses
#12
Banafsheh Douzandeh-Mobarrez, Ashraf Kariminik
IL-17A is a cytokine which is produced by several immune and non-immune cells. The cytokine plays dual roles from protection from microbes and protection from pro-inflammatory based diseases to induction of the pro-inflammatory based diseases. The main mechanisms which lead to the controversial roles of IL-17A are yet to be clarified. Gut microbiota (GM) are the resident probiotic bacteria in the gastrointestinal tracts which have been introduced as a plausible regulator of IL-17A production and functions. This review article describes the recent information regarding the roles played by GM in determination of IL-17A functions outcome...
September 18, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28919969/karyotypic-differentiation-of-populations-of-the-common-shrew-sorex-araneus-l-mammalia-in-belarus
#13
Yury M Borisov, Iryna A Kryshchuk, Helen S Gaiduchenko, Elena V Cherepanova, Svetlana V Zadyra, Elena S Levenkova, Dmitriy V Lukashov, Victor N Orlov
The common shrews, Sorex araneus Linnaeus, 1758, inhabiting the territory of Belarus, are characterized by a significant variation in the frequency of Robertsonian (Rb) translocations. The frequency clines for translocations specific of three chromosome races: the West Dvina (gm, hk, ip, no, qr), Kiev (g/m, hi, k/o, n, p, q, r), and Białowieża (g/r, hn, ik, m/p, o, q) have already been studied in this territory. In this communication we report new data on polymorphic populations with Rb metacentrics specific of the Neroosa race (go, hi, kr, mn, p/q) in south-eastern Belarus, analyse the distribution of karyotypes in southern and central Belarus and draw particular attention to the fixation of the acrocentric variants of chromosomes in this area...
2017: Comparative Cytogenetics
https://www.readbyqxmd.com/read/28919702/micro-invasive-glaucoma-surgery-migs-a-review-of-surgical-procedures-using-stents
#14
Lutz E Pillunat, Carl Erb, Anselm Gm Jünemann, Friedemann Kimmich
Over the last decade several novel surgical treatment options and devices for glaucoma have been developed. All these developments aim to cause as little trauma as possible to the eye, to safely, effectively, and sustainably reduce intraocular pressure (IOP), to produce reproducible results, and to be easy to adopt. The term "micro-invasive glaucoma surgery (MIGS)" was used for summarizing all these procedures. Currently MIGS is gaining more and more interest and popularity. The possible reduction of the number of glaucoma medications, the ab interno approach without damaging the conjunctival tissue, and the probably safer procedures compared to incisional surgical methods may explain the increased interest in MIGS...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28919109/long-term-measurements-of-human-inflammatory-cytokines-reveal-complex-baseline-variations-between-individuals
#15
Danlu Wu, Trinh L Dinh, Bruce P Bausk, David R Walt
Comprehensive characterization of the healthy human proteome baseline is essential for personalized medicine. Baseline data are necessary to understand the variation between individuals as well as longitudinal variation within individuals. Many important protein biomarkers, such as cytokines, exist at extremely low or undetectable levels in the healthy state. This paper describes results from a 14-week study of healthy human subjects using ultrasensitive single molecule array (Simoa) assays to measure both intra and intersubject variation of 15 cytokines...
September 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28914862/-liver-diseases-the-pathogenetic-role-of-the-gut-microbiome-and-the-potential-of-treatment-for-its-modulation
#16
K A Aitbaev, I T Murkamilov, V V Fomin
The paper gives an update on the role of the gut microbiome (GM) in the development of nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, alcoholic liver disease, liver cirrhosis (LC), and its complications, such as hepatic encephalopathy (HE) and hepatocellular carcinoma (HCC), and discusses the possibilities of its correction with prebiotics, probiotics, synbiotics, antibiotics, and fecal microbiota transplantation (FMT). The pathophysiology of the liver diseases in question demonstrates some common features that are characterized by pathogenic changes in the composition of the gastrointestinal tract microflora, by intestinal barrier impairments, by development of endotoxemia, by increased liver expression of proinflammatory factors, and by development of liver inflammation...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28914804/the-role-of-erk-signaling-in-experimental-autoimmune-encephalomyelitis
#17
Katharina Birkner, Beatrice Wasser, Julia Loos, Alexander Plotnikov, Rony Seger, Frauke Zipp, Esther Witsch, Stefan Bittner
Extracellular signal-regulated kinase (ERK) signaling plays a crucial role in regulating immune cell function and has been implicated in autoimmune disorders. To date, all commercially available inhibitors of ERK target upstream components, such as mitogen-activated protein (MAP) kinase/ERK kinase (MEKs), but not ERK itself. Here, we directly inhibit nuclear ERK translocation by a novel pharmacological approach (Glu-Pro-Glu (EPE) peptide), leading to an increase in cytosolic ERK phosphorylation during T helper (Th)17 cell differentiation...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28914568/human-embryonic-stem-cell-derived-mesenchymal-stromal-cells-decrease-the-development-of-severe-experimental-autoimmune-uveitis-in-b10-riii-mice
#18
Yu Qin, Ann M Chan, Yu-Ling Chang, Anna Matynia, Nicholas A Kouris, Erin A Kimbrel, Negin Ashki, Sachin Parikh, Michael B Gorin, Robert Lanza, Ralph D Levinson, Lynn K Gordon
PURPOSE: We investigated the effect of exogenously administered human embryonic stem cell-derived mesenchymal stromal cells (hESC-MSCs) in experimental autoimmune uveitis (EAU) in B10.RIII mice, a murine model of severe uveitis. METHODS: B10.RIII mice were immunized with an uveitogenic peptide, and intraperitoneal injections of 5 million hESC-MSCs per animal were given on the same day. Behavioral light sensitivity assays, histological evaluation, cytokine production, and regulatory T cells were analyzed at the peak of the disease...
September 15, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28913893/gonial-angle-measured-by-orthopantomography-as-a-predictor-of-maximum-occlusal-force
#19
Shunta Miwa, Masahiro Wada, Shumei Murakami, Tohru Suganami, Kazunori Ikebe, Yoshinobu Maeda
PURPOSE: To establish the accuracy of measuring the gonial angle on an orthopantomogram (GAO), as defined by the anatomic relationship between the inferior and posterior borders of the mandible. Furthermore, to examine the relationship between GAO and maximum occlusal force (MOF) in the premolar and molar regions of healthy young adults. MATERIALS AND METHODS: Orthopantomograms of dry mandibles were obtained in three orientations in the sagittal plane, to represent variation in image acquisition in clinical settings...
September 15, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28913827/when-more-is-less-an-exploratory-study-of-the-precautionary-reporting-bias-and-its-impact-on-safety-signal-detection
#20
Kevin Klein, Joep Hg Scholl, Marie L De Bruin, Eugène P van Puijenbroek, Hubert Gm Leufkens, Pieter Stolk
Concerns have been expressed that large numbers of non-value added reports have been accumulating in ADR databases, for example via patient support programs. We performed an assessment of the impact of such reports, to which we refer to as 'precautionary reports', on safety signal detection in the Netherlands. The case narratives of ADR reports of three case products were screened with text-mining algorithms to identify those reports that lack a causal relationship with the suspected medicinal product. We demonstrate that precautionary reports impede the optimal use of the pharmacovigilance system by, on the one hand, masking safety signals and, on the other hand, creating spurious signals...
September 15, 2017: Clinical Pharmacology and Therapeutics
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