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https://www.readbyqxmd.com/read/28351093/angptl8-betatrophin-is-expressed-in-visceral-adipose-tissue-and-relates-to-human-hepatic-steatosis-in-two-independent-clinical-collectives
#1
Christian von Loeffelholz, Andreas F H Pfeiffer, Johan F Lock, Steffi Lieske, Stephanie Döcke, Veronica Murahovschi, Jennifer Kriebel, Tonia de Las Heras Gala, Harald Grallert, Natalia Rudovich, Martin Stockmann, Joachim Spranger, Gerhard Jahreis, Stefan R Bornstein, George Lau, Aimin Xu, Jeanette Schulz-Menger, Louisa Exner, Sven Haufe, Jens Jordan, Stefan Engeli, Andreas L Birkenfeld
Angiopoietin-like protein 8 (ANGPTL8)/betatrophin expression in visceral adipose tissue and associations with circulating fatty acid profile have not yet been investigated.Forty subjects were included in a cross-sectional study, 57 in a dietary weight reduction intervention. Circulating Angiopoietin-like protein 8/betatrophin was measured in all subjects. Liver and adipose tissue were sampled and plasma fatty acids and tissue Angiopoietin-like protein 8/betatrophin expression were evaluated in the cross-sectional study...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28350992/expression-of-circadian-core-clock-genes-in-fibroblasts-of-human-gingiva-and-periodontal-ligament-is-modulated-by-l-mimosine-and-hypoxia-in-monolayer-and-spheroid-cultures
#2
Klara Janjić, Christoph Kurzmann, Andreas Moritz, Hermann Agis
OBJECTIVE: The circadian clock is involved in a plethora of physiological processes including bone formation and tooth development. While expression of circadian core clock genes was observed in various tissues, their role in the periodontium is unclear. We hypothesized that periodontal cells express circadian core clock genes and that their levels are modulated by hypoxia mimetic agents and hypoxia. MATERIAL AND METHODS: Fibroblasts of human gingiva (GF) and periodontal ligament (PDLF) in monolayer and spheroid cultures were treated with the hypoxia mimetic agent L-Mimosine (L-MIM) or hypoxia...
March 14, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28350964/promoting-vaginal-distribution-of-e7-and-mcl-1-sirna-silencing-nanoparticles-for-cervical-cancer-treatment
#3
Anna Lechanteur, Tania Furst, Brigitte Evrard, Philippe Delvenne, Geraldine Piel, Pascale Hubert
There is an urgent need to develop a less aggressive and more effective treatment against cervical lesions induced by different high-risk human papillomavirus (HR-HPV). We investigated the potential of a cocktail of small interfering RNA (siRNA) directed against the oncoprotein E6 (E6), the oncoprotein E7 (E7) and/or the anti-apoptotic protein MCL-1 (MCL-1). The combination of siRNA anti-E7 and anti-MCL-1 demonstrated high efficacy on multiple HPV16 and HPV18 cell lines and no effects on healthy keratinocytes...
March 28, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28350851/alcohol-related-changes-in-the-intestinal-microbiome-influence-neutrophil-infiltration-inflammation-and-steatosis-in-early-alcoholic-hepatitis-in-mice
#4
Patrick P Lowe, Benedek Gyongyosi, Abhishek Satishchandran, Arvin Iracheta-Vellve, Aditya Ambade, Karen Kodys, Donna Catalano, Doyle V Ward, Gyongyi Szabo
BACKGROUND: Alcohol-induced intestinal dysbiosis disrupts homeostatic gut-liver axis function and is essential in the development of alcoholic liver disease. Here, we investigate changes in enteric microbiome composition in a model of early alcoholic steatohepatitis and dissect the pathogenic role of intestinal microbes in alcohol-induced liver pathology. MATERIALS AND METHODS: Wild type mice received a 10-day diet that was either 5% alcohol-containing or an isocaloric control diet plus a single binge...
2017: PloS One
https://www.readbyqxmd.com/read/28350845/abnormal-expression-of-mrna-microrna-alteration-and-aberrant-dna-methylation-patterns-in-rectal-adenocarcinoma
#5
Yang Hua, Xiukun Ma, Xianglong Liu, Xiangfei Yuan, Hai Qin, Xipeng Zhang
AIM: Rectal adenocarcinoma (READ) is a malignancy cancer with the high morbidity and motility worldwide. Our study aimed to explore the potential pathogenesis of READ through integrated analysis of gene expression profiling and DNA methylation data. METHODS: The miRNA, mRNA expression profiling and corresponding DNA methylation data were downloaded from The Cancer Genome Atlas (TCGA) database. Differentially expressed mRNAs/ miRNAs/methylated regions (DEmRNA/DEmiRNAs) were identified in READ...
2017: PloS One
https://www.readbyqxmd.com/read/28350488/effect-of-supplemental-trace-minerals-on-hsp-70-mrna-expression-in-commercial-broiler-chicken
#6
U Rajkumar, A Vinoth, E Pradeep Kumar Reddy, M Shanmugam, S V Rama Rao
The effects of supplementing the organic forms of selenium (Se), chromium (Cr), and zinc (Zn) on Hsp-70 mRNA expression and body weight in broiler chickens were evaluated. 200 chicks were equally distributed into stainless steel battery brooders at the rate of 5 birds per pen and reared under heat stress condition up to 42(nd) day. The chicks were fed with three experimental diets supplemented with organic forms of Se (0.30 mg/kg), Cr (2 mg/kg), and Zn (40 mg/kg) during the starter and finisher phases and a control diet without any supplementation...
March 28, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28346912/optimizing-the-dose-of-erythropoietin-required-to-prevent-acute-ventilation-induced-cerebral-white-matter-injury-in-preterm-lambs
#7
Kyra Y Y Chan, Domenic A LaRosa, Mary Tolcos, Anqi Li, Valerie A Zahra, Graeme R Polglase, Samantha K Barton
Erythropoietin (EPO) is being trialed in preterm neonates for neuroprotection. We have recently demonstrated that a single high bolus dose (5,000 IU/kg) of recombinant human EPO amplified preterm lung and brain ventilation-induced injury. We aimed to determine the optimal dose of EPO to reduce ventilation-induced cerebral white matter inflammation and injury in preterm lambs. Lambs (0.85 gestation) were ventilated with an injurious strategy for 15 min followed by conventional ventilation for 105 min. Lambs were randomized to no treatment (VENT; n = 8) or received a bolus dose of EPO (EPREX®): 300 IU/kg (EPO 300; n = 5), 1,000 IU/kg (EPO 1,000; n = 5), or 3,000 IU/kg (EPO 3,000; n = 5)...
March 28, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28346818/regulation-of-low-temperature-stress-in-plants-by-micrornas
#8
REVIEW
Swati Megha, Urmila Basu, Nat N V Kav
Low temperature is one of the most common environmental stresses that seriously affects the growth and development of plants. However, plants have the plasticity in their defense mechanisms enabling them to tolerate and, sometimes, even survive adverse environmental conditions. MicroRNAs (miRNAs) are small non-coding RNAs, approximately 19-21 nucleotides in length, and are being increasingly recognized as regulators of gene expression at the post-transcriptional level and have the ability to influence a broad range of biological processes...
March 27, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28346728/nubpl-a-novel-metastasis-related-gene-promotes-colorectal-carcinoma-cell-motility-by-inducing-emt
#9
Yuhui Wang, Nan Wu, Donglin Sun, Haiming Sun, Dandan Tong, Duo Liu, Bo Pang, Su Li, Jia Wei, Jialin Dai, Yang Liu, Jing Bai, Jingshu Geng, Songbin Fu, Yan Jin
NUBPL is an assembly factor for human mitochondrial complex I, which is the biggest member of mitochondrial respiratory chain. However, the relationship between NUBPL and carcinoma progression remains unknown. In this study, NUBPL was characterized for its role in colorectal cancer (CRC) and the underlying molecular mechanisms. Data (n=197) from Oncomine database revealed that mRNA levels of NUBPL were remarkably overexpressed in CRC tissues compared with normal tissues. In addition, immunohistochemical analysis of 75 pairs of CRC and nontumorous tissues demonstrated that expression level of NUBPL was significantly higher in CRC tissues, and its expression level was positively associated with lymph node metastasis (P=0...
March 27, 2017: Cancer Science
https://www.readbyqxmd.com/read/28346529/human-amnion-epithelial-cells-modulate-the-inflammatory-response-to-ventilation-in-preterm-lambs
#10
Jacqueline M Melville, Courtney A McDonald, Robert J Bischof, Graeme R Polglase, Rebecca Lim, Euan M Wallace, Graham Jenkin, Timothy J Moss
Ventilation of preterm neonates causes pulmonary inflammation that can contribute to lung injury, propagate systemically and result in long-term disease. Modulation of this initial response may reduce lung injury and its sequelae. We aimed to determine the effect of human amnion epithelial cells (hAECs) on immune activation and lung injury in preterm neonatal lambs. Preterm lambs received intratracheal hAECs (90x106) or vehicle, prior to 2 h of mechanical ventilation. Within 5 min of ventilation onset, lambs also received intravenous hAECs (90x106) or vehicle...
2017: PloS One
https://www.readbyqxmd.com/read/28346520/downregulation-of-mir-139-5p-contributes-to-the-antiapoptotic-effect-of-liraglutide-on-the-diabetic-rat-pancreas-and-ins-1-cells-by-targeting-irs1
#11
Jin Li, Lei Su, Ying-Ying Gong, Mei-Lin Ding, Shu-Bin Hong, Shuang Yu, Hai-Peng Xiao
Liraglutide is administered as glucagon-like peptide-1 (GLP-1) receptor agonist for diabetic patients and can protect pancreatic β-cells by inhibiting their apoptosis. MicroRNA-139-5p (miRNA-139-5p) participates in the regulation of cancer cell apoptosis. However, it is not clear whether miR-139-5p contributes to the anti-apoptotic effect of liraglutide in β-cells. The objective of the present study was to investigate the role of miR-139-5p on apoptosis of pancreatic β-cells. MicroRNA levels in pancreatic tissue from diabetic rats and INS-1 cells treated with liraglutide were measured by real-time quantitative RT-PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28346507/olive-oil-bioactives-protect-pigs-against-experimentally-induced-chronic-inflammation-independently-of-alterations-in-gut-microbiota
#12
Martin Liehr, Alessandro Mereu, Jose Javier Pastor, Jose Carlos Quintela, Stefanie Staats, Gerald Rimbach, Ignacio Rodolfo Ipharraguerre
Subclinical chronic inflammation (SCI) is associated with impaired animal growth. Previous work has demonstrated that olive-derived plant bioactives exhibit anti-inflammatory properties that could possibly counteract the growth-depressing effects of SCI. To test this hypothesis and define the underlying mechanism, we conducted a 30-day study in which piglets fed an olive-oil bioactive extract (OBE) and their control counterparts (C+) were injected repeatedly during the last 10 days of the study with increasing doses of Escherichia coli lipopolysaccharides (LPS) to induce SCI...
2017: PloS One
https://www.readbyqxmd.com/read/28346491/a-genetic-switch-controls-the-production-of-flagella-and-toxins-in-clostridium-difficile
#13
Brandon R Anjuwon-Foster, Rita Tamayo
In the human intestinal pathogen Clostridium difficile, flagella promote adherence to intestinal epithelial cells. Flagellar gene expression also indirectly impacts production of the glucosylating toxins, which are essential to diarrheal disease development. Thus, factors that regulate the expression of the flgB operon will likely impact toxin production in addition to flagellar motility. Here, we report the identification a "flagellar switch" that controls the phase variable production of flagella and glucosylating toxins...
March 27, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28346453/activity-induced-histone-modifications-govern-neurexin-1-mrna-splicing-and-memory-preservation
#14
Xinlu Ding, Sanxiong Liu, Miaomiao Tian, Wenhao Zhang, Tao Zhu, Dongdong Li, Jiawei Wu, HaiTeng Deng, Yichang Jia, Wei Xie, Hong Xie, Ji-Song Guan
Epigenetic mechanisms regulate the formation, consolidation and reconsolidation of memories. However, the signaling path from neuronal activation to epigenetic modifications within the memory-related brain circuit remains unknown. We report that learning induces long-lasting histone modifications in hippocampal memory-activated neurons to regulate memory stability. Neuronal activity triggers a late-onset shift in Nrxn1 splice isoform choice at splicing site 4 by accumulating a repressive histone marker, H3K9me3, to modulate the splicing process...
March 27, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28346435/aav9-mediated-engineering-of-autotransplanted-kidney-of-non-human-primates
#15
S Tomasoni, P Trionfini, N Azzollini, L Zentilin, M Giacca, S Aiello, L Longaretti, E Cozzi, N Baldan, G Remuzzi, A Benigni
Ex vivo gene transfer to the graft before transplantation is an attractive option for circumventing systemic side effects of chronic anti-rejection therapy. Gene delivery of the immunomodulatory protein CTLA4-Ig prevented chronic kidney rejection in a rat model of allotransplantation without the need for systemic immunosuppression. Here, we generated AAV2 and AAV9 vectors encoding for LEA29Y, an optimized version of CTLA4-Ig. Both LEA29Y vectors were equally efficient for reducing T-cell proliferation in vitro...
March 27, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28346421/serpinb2-regulates-stromal-remodelling-and-local-invasion-in-pancreatic-cancer
#16
N L E Harris, C Vennin, J R W Conway, K L Vine, M Pinese, M J Cowley, R F Shearer, M C Lucas, D Herrmann, A H Allam, M Pajic, J P Morton, A V Biankin, M Ranson, P Timpson, D N Saunders
Pancreatic cancer has a devastating prognosis, with an overall 5-year survival rate of ~8%, restricted treatment options and characteristic molecular heterogeneity. SerpinB2 expression, particularly in the stromal compartment, is associated with reduced metastasis and prolonged survival in pancreatic ductal adenocarcinoma (PDAC) and our genomic analysis revealed that SERPINB2 is frequently deleted in PDAC. We show that SerpinB2 is required by stromal cells for normal collagen remodelling in vitro, regulating fibroblast interaction and engagement with collagen in the contracting matrix...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346398/sirtuin-1-sirt1-overexpression-in-baf3-cells-contributes-to-cell-proliferation-promotion-apoptosis-resistance-and-pro-inflammatory-cytokine-production
#17
Qian Wang, Chao Yan, Miaomiao Xin, Li Han, Yunqing Zhang, Mingshu Sun
BACKGROUND B lymphocyte hyperactivity is a main characteristic of systemic lupus erythematosus (SLE), and B lymphocytes play a prominent pathogenic role in the development and progression of SLE. The aim of this study was to investigate the role of Sirtuin 1 (Sirt1) in B lymphocytes. MATERIAL AND METHODS Mouse B lymphocytes BaF3 was transfected with Sirt1 vector or shRNA against Sirt1. Then the transfected cells viability and apoptosis were respectively determined by MTT assay and flow cytometry. In addition, the mRNA levels of three pro-inflammatory cytokines and p53 were detected by RT-PCR...
March 27, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28346137/histone-gene-replacement-reveals-a-post-transcriptional-role-for-h3k36-in-maintaining-metazoan-transcriptome-fidelity
#18
Michael P Meers, Telmo Henriques, Christopher A Lavender, Daniel J McKay, Brian D Strahl, Robert J Duronio, Karen Adelman, A Gregory Matera
Histone H3 lysine 36 methylation (H3K36me) is thought to participate in a host of co-transcriptional regulatory events. To study the function of this residue independent from the enzymes that modify it, we used a 'histone replacement' system in Drosophila to generate a non-modifiable H3K36 lysine-to-arginine (H3K36R) mutant. We observed global dysregulation of mRNA levels in H3K36R animals that correlates with the incidence of H3K36me3. Similar to previous studies, we found that mutation of H3K36 also resulted in H4 hyperacetylation...
March 27, 2017: ELife
https://www.readbyqxmd.com/read/28346042/decreased-expression-of-aldh5a1-predicts-prognosis-in-patients-with-ovarian-cancer
#19
Xun Tian, Yingyan Han, Lan Yu, Bo Luo, Zheng Hu, Xiong Li, Zongyuan Yang, Xin Wang, Wanqiu Huang, Hui Wang, Qinghua Zhang, Ding Ma
Aldehyde dehydrogenase 5 family, member A1 (ALDH5A1) belongs to the superfamily of aldehyde dehydrogenases (ALDHs). However, the prognostic value of ALDH5A1 in ovarian cancer remains unclear. The aim of this study was to explore the relationship between ALDH5A1 and the prognosis of patients with ovarian cancer (OC). We compared the expression of ALDH5A1 in OC to that innormal controls, using GSE40595 profiling data. Tissue microarray analysis was conducted for192 OC patients, 14 adjacent normal ovary tissues, and 2 normal ovary tissues...
March 27, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28346008/wnt-%C3%AE-catenin-signaling-is-required-for-distraction-osteogenesis-in-rats
#20
Xuemei Wang, En Luo, Ruiye Bi, Bin Ye, Jing Hu, Shujuan Zou
OVERVIEW: The Wnt signaling pathway plays crucial roles in embryonic skeletal development and postnatal bone regeneration. However, mechanisms of Wnt signaling functioning in distraction osteogenesis (DO) haven't been well characterized. MATERIALS AND METHODS: We established a DO model using Sprague-Dawley rat tibia. And a Wnt signaling blocking agent, recombinant rat Dickkopf-related protein 1 (rrDkk1), was locally applied in the distracted gap to study the role of Wnt signaling during DO process...
March 1, 2017: Connective Tissue Research
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