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https://www.readbyqxmd.com/read/28738804/oncogenic-long-noncoding-rna-landscape-in-breast-cancer
#1
Shouping Xu, Dejia Kong, Qianlin Chen, Yanyan Ping, Da Pang
BACKGROUND: Few long noncoding RNAs (lncRNAs) that act as oncogenic genes in breast cancer have been identified. METHODS: Oncogenic lncRNAs associated with tumourigenesis and worse survival outcomes were examined and validated in Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA), respectively. Then, the potential biological functions and expression regulation of these lncRNAs were studied via bioinformatics and genome data analysis. Moreover, progressive breast cancer subtype-specific lncRNAs were investigated via high-throughput sequencing in our cohort and TCGA validation...
July 24, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28729848/the-functional-genetics-of-handedness-and-language-lateralization-insights-from-gene-ontology-pathway-and-disease-association-analyses
#2
Judith Schmitz, Stephanie Lor, Rena Klose, Onur Güntürkün, Sebastian Ocklenburg
Handedness and language lateralization are partially determined by genetic influences. It has been estimated that at least 40 (and potentially more) possibly interacting genes may influence the ontogenesis of hemispheric asymmetries. Recently, it has been suggested that analyzing the genetics of hemispheric asymmetries on the level of gene ontology sets, rather than at the level of individual genes, might be more informative for understanding the underlying functional cascades. Here, we performed gene ontology, pathway and disease association analyses on genes that have previously been associated with handedness and language lateralization...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28726976/absence-of-transforming-growth-factor-beta-1-in-murine-platelets-reduces-neointima-formation-without-affecting-arterial-thrombosis
#3
Katrin Schaefer, Eva Schütz, Magdalena L Bochenek, Dennis R Riehl, Markus Bosmann, Thomas Münzel, Stavros Konstantinides, Katrin Schäfer
Platelet degranulation at the site of vascular injury prevents bleeding and may affect the chronic vascular wound healing response. Transforming Growth Factor (TGF)-β1 is a major component of platelet α-granules known to accumulating in thrombi. It was our aim to determine the role of TGFβ1 released from activated platelets for neointima formation following arterial injury and thrombosis. Mice with platelet-specific deletion of TGFβ1 (Plt.TGFβ-KO) underwent carotid artery injury. Immunoassays confirmed the absence of active TGFβ1 in platelet releasates and plasma of Plt...
July 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28722327/transforming-growth-factor-beta-matrix-metalloproteinases-and-urokinase-type-plasminogen-activator-interaction-in-the-cancer-epithelial-to-mesenchymal-transition
#4
REVIEW
Juan F Santibanez, Hristina Obradović, Tamara Kukolj, Jelena Krstić
Transforming growth factor beta (TGF-β) is a pleiotropic factor that acts as a tumor suppressor in the early stages, while it exerts tumor promoting activities in advanced stages of cancer development. One of the hallmarks of cancer progression is the capacity of cancer cells to migrate and invade surrounding tissues with subsequent metastasis to different organs. Matrix metalloproteinases (MMPs) together with urokinase-type plasminogen activator (uPA) and its receptor (uPAR), whose main original function described is the proteolytic degradation of the extracellular matrix, play key cellular roles in the enhancement of cell malignancy during cancer progression...
July 19, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28689166/ocular-surface-cytokine-profile-in-chronic-stevens-johnson-syndrome-and-its-response-to-mucous-membrane-grafting-for-lid-margin-keratinisation
#5
Srividya Gurumurthy, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Narayanasamy Angayarkanni
BACKGROUND: To study the tear cytokine and the conjunctival and oral mucosal marker profile in chronic ocular Stevens-Johnson syndrome (SJS) and their alteration following mucous membrane grafting (MMG) for lid margin keratinisation (LMK). METHODS: In a 1-year prospective study, SJS cases (n=25) and age-matched/sex-matched healthy controls (n=25) were recruited. Tear specimen (Schirmer's strip), conjunctival and oral mucosal imprints were collected from controls and SJS cases pre-MMG and post-MMG (at first follow-up, n=17)...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28686347/epo-modified-mscs-can-inhibit-asthmatic-airway-remodeling-in-an-animal-model
#6
Xin-Peng Han, Fang-Qi Zhang, Xiang-Shu Tan, Liang Liu, Wen-Xian Ma, Hai-Feng Ou-Yang, Chang-Gui Wu
OBJECTIVE: There was no effective measures can be obtained at present to reverse or prevent airway remodeling. We investigated the therapeutic effect of Erythropoietin (EPO) gene modified mesenchymal stem cells (MSCs) on asthmatic airway remodeling and the possible underlied molecular mechanisms. METHODS: EPO gene was transfected into MSCs via lentivirus vector. The transfected cells (EPO-MSCs) were identi?ed by ?ow cytometry and the EPO secreting function was detected by PCR and western blot...
July 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28670881/ameliorative-effect-of-coenzyme-q10-and-or-candesartan-on-carboplatin-induced-nephrotoxicity-roles-of-apoptosis-transforming-growth-factor-%C3%AE-1-nuclear-factor-kappa-b-and-the-nrf2-ho-1-pathway
#7
Ahmed M Kabel, Abeer A Elkhoely
Background: Carboplatin is a drug that is used for treatment of many types of cancer. However, it may produce serious nephrotoxicity. Candesartan is angiotensin II receptor antagonist employed mainly for control of hypertension. Coenzyme Q10 (CoQ10) is a fat-soluble substance which was proven to have potent antioxidant and anti-inflammatory properties. Aim: Our aim was to study the effects of candesartan and/or CoQ10 on carboplatin-induced nephrotoxicity in mice. Methods: Sixty mice were divided into 6 equal groups: Control untreated; carboplatin; carboplatin + candesartan; carboplatin + CoQ10; carboplatin + carboxymethyl cellulose; and carboplatin + candesartan + CoQ10 group...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28659786/flavonoid-hesperidin-induces-synapse-formation-and-improves-memory-performance-through-the-astrocytic-tgf-%C3%AE-1
#8
Isadora Matias, Luan P Diniz, Andrea Buosi, Gilda Neves, Joice Stipursky, Flávia Carvalho Alcantara Gomes
Synapse formation and function are critical events for the brain function and cognition. Astrocytes are active participants in the control of synapses during development and adulthood, but the mechanisms underlying astrocyte synaptogenic potential only began to be better understood recently. Currently, new drugs and molecules, including the flavonoids, have been studied as therapeutic alternatives for modulation of cognitive processes in physiological and pathological conditions. However, the cellular targets and mechanisms of actions of flavonoids remain poorly elucidated...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28659031/gypenosides-ameliorate-carbon-tetrachloride-induced-liver-fibrosis-by-inhibiting-the-differentiation-of-hepatic-progenitor-cells-into-myofibroblasts
#9
Jiamei Chen, Xuewei Li, Yonghong Hu, Wei Liu, Qun Zhou, Hua Zhang, Yongping Mu, Ping Liu
Gypenosides (GPs), the predominant components of Gynostemma pentaphyllum, exert antifibrotic effects; however, the mechanisms underlying their ability to ameliorate liver fibrosis are unclear. Liver fibrosis was induced in C57BL/6 mice via subcutaneous injection of 10% carbon tetrachloride (CCl[Formula: see text] three times a week for two weeks. Then, CCl4 was administered in conjunction with intragastric GPs for another three weeks. For in vitro analyses, WB-F344, hepatatic progenitor cells (HPCs) were treated with transforming growth factor beta 1 (TGF-β1) with or without GPs for 48[Formula: see text]h...
June 28, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28652014/anti-inflammatory-effect-of-man-pen-fang-a-chinese-herbal-compound-on-chronic-pelvic-inflammation-in-rats
#10
Li-Jun Zhang, Jian-Yong Zhu, Meng-Yao Sun, Ya-Nan Song, Khalid Rahman, Cheng Peng, Miao Zhang, Yu-Mei Ye, Hong Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Traditional Chinese Medicine (TCM) has become the focus of research for the treatment of chronic pelvic inflammatory disease (CPID) based on unique medical theory system. Man-Pen-Fang (MPF), a Chinese herbal compound, which is composed of Thlaspi arvense L. (Cruciferae), Gleditsia sinensis Lam. (Leguminosae), Smilax china L. (Liliaceae), Euonymus alatus (Thunb.) Sieb. (Celastraceae) and Vaccaria segetalis (Neck.) (Caryophyllaceae) MPF has been used for the treatment of CPID and exerted significant clinical curative effects...
June 23, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28649665/tgf-%C3%AE-target-genes-are-differentially-regulated-in-corneal-epithelial-cells-and-fibroblasts
#11
Xiaoqing Guo, Audrey E K Hutcheon, Jennifer A Tran, James D Zieske
PURPOSE: Transforming growth factor-beta (TGF-β) activates the canonical Smad pathway, which includes the Smad family of proteins and SARA (Smad Anchor for Receptor Activation) and other less understood pathways, including one involving p38(MAPK). The goal of the current research was to determine if corneal epithelial cells and fibroblasts used the classical or alternative TGF-β-signaling pathways. To examine this question, we made use of Trx-SARA, which inhibits native SARA, thus blocking the Smad pathway...
2017: New Front Ophthalmol
https://www.readbyqxmd.com/read/28647906/exogenous-gdf11-induces-cardiac-and-skeletal-muscle-dysfunction-and-wasting
#12
Teresa A Zimmers, Yanling Jiang, Meijing Wang, Tiffany W Liang, Joseph E Rupert, Ernie D Au, Francesco E Marino, Marion E Couch, Leonidas G Koniaris
Growth differentiation factor 11 (GDF11), a TGF-beta superfamily member, is highly homologous to myostatin and essential for embryonic patterning and organogenesis. Reports of GDF11 effects on adult tissues are conflicting, with some describing anti-aging and pro-regenerative activities on the heart and skeletal muscle while others opposite or no effects. Herein, we sought to determine the in vivo cardiac and skeletal muscle effects of excess GDF11. Mice were injected with GDF11 secreting cells, an identical model to that used to initially identify the in vivo effects of myostatin...
July 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28647356/optimizing-bone-morphogenic-protein-4-mediated-human-embryonic-stem-cell-differentiation-into-trophoblast-like-cells-using-fibroblast-growth-factor-2-and-transforming-growth-factor-%C3%AE-activin-nodal-signalling-inhibition
#13
Mariann Koel, Urmo Võsa, Kaarel Krjutškov, Elisabet Einarsdottir, Juha Kere, Juha Tapanainen, Shintaro Katayama, Sulev Ingerpuu, Viljar Jaks, Ulf-Hakan Stenman, Karolina Lundin, Timo Tuuri, Andres Salumets
Several studies have demonstrated that human embryonic stem cells (hESC) can be differentiated into trophoblast-like cells if exposed to bone morphogenic protein 4 (BMP4) and/or inhibitors of fibroblast growth factor 2 (FGF2) and the transforming growth factor beta (TGF-β)/activin/nodal signalling pathways. The goal of this study was to investigate how the inhibitors of these pathways improve the efficiency of hESC differentiation when compared with basic BMP4 treatment. RNA sequencing was used to analyse the effects of all possible inhibitor combinations on the differentiation of hESC into trophoblast-like cells over 12 days...
June 12, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28642549/focal-adhesion-kinase-regulates-hepatic-stellate-cell-activation-and-liver-fibrosis
#14
Xue-Ke Zhao, Lei Yu, Ming-Liang Cheng, Pulin Che, Yin-Ying Lu, Quan Zhang, Mao Mu, Hong Li, Li-Li Zhu, Juan-Juan Zhu, Meng Hu, Po Li, Yue-Dong Liang, Xin-Hua Luo, Yi-Ju Cheng, Zhi-Xiang Xu, Qiang Ding
Understanding the underlying molecular mechanisms of liver fibrosis is important to develop effective therapy. Herein, we show that focal-adhesion-kinse (FAK) plays a key role in promoting hepatic stellate cells (HSCs) activation in vitro and liver fibrosis progression in vivo. FAK activation is associated with increased expression of α-smooth muscle actin (α-SMA) and collagen in fibrotic live tissues. Transforming growth factor beta-1 (TGF-β1) induces FAK activation in a time and dose dependent manner. FAK activation precedes the α-SMA expression in HSCs...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641514/clinically-relevant-biomarkers-in-acute-heart-failure-an-update
#15
Agnibh Mukherji, Uzair Ansari, Martin Borggrefe, Ibrahim Akin, Michael Behnes
Acute heart failure (AHF) has been one of the fields, where owing to difficulties in diagnosis, prognostic stratification and management the associated morbidity and mortality remains unusually high. The advent of novel biomarkers apart from the traditional B-type natriuretic peptide and N-terminal proBNP involved in myocardial injury, neuro-hormonal activation, and ventricular remodeling augurs immense hope in redefining our approach towards AHF. METHODS: Biomarkers like midregional proatrial natriuretic peptide, soluble ST2, highly-sensitive troponin, and midregional proadrenomedullin are some such examples that have passed various stages of substantiation while there is an array of potential biomarkers in nascent stages like osteopontin, CTGF, GDF-15 and TGF beta-1 awaiting further reiteration...
June 22, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28640248/voluntary-distance-running-prevents-tnf-mediated-liver-injury-in-mice-through-alterations-of-the-intrahepatic-immune-milieu
#16
Yvonne Huber, Nadine Gehrke, Jana Biedenbach, Susanne Helmig, Perikles Simon, Beate K Straub, Ina Bergheim, Tobias Huber, Detlef Schuppan, Peter R Galle, Marcus A Wörns, Marcus Schuchmann, Jörn M Schattenberg
Physical activity confers a broad spectrum of health benefits. Beyond the obvious role in metabolically driven diseases, the role of physical activity in acute liver injury is poorly explored. To study the role of physical activity in acute liver injury, a novel model of voluntary distance running in mice was developed and mice were subjected to acute liver injury induced by N-galactosamine (GalN) and lipopolysaccharide (LPS). Analyses included histological stains, immunoblotting, qRT-PCR and FACS analysis...
June 22, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28638997/follistatin-treatment-suppresses-serca1b-levels-independently-of-other-players-of-calcium-homeostasis-in-c2c12-myotubes
#17
János Fodor, Adrienn Gomba-Tóth, Tamás Oláh, János Almássy, Ernő Zádor, László Csernoch
Follistatin (FS) is a high affinity activin-binding protein, neutralizing the effects of the Transforming Growth Factor-beta (TGF-β) superfamily members, as myostatin (MSTN). Since MSTN emerged as a negative regulator, FS has been considered as a stimulator of skeletal muscle growth and differentiation. Here, we studied the effect of FS administration on the Ca(2+)-homeostasis of differentiating C2C12 skeletal muscle cells. FS-treatment increased the fusion index, the size of terminally differentiated myotubes, and transiently elevated the expression of the calcium-dependent protein phosphatase, calcineurin, at the beginning of differentiation...
June 21, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/28638086/wnt2b-attenuates-hscs-activation-and-liver-fibrosis-through-negative-regulating-tlr4-signaling
#18
Yi Yuan, Qiuju Han, Siyu Li, Zhigang Tian, Jian Zhang
The Wingless-type MMTV integration site family member 2b (Wnt2b) has been found to be a principal mediator of liver development and regeneration. However, the significance of Wnt2b in the pathogenesis of fibrosis-related liver diseases remains undefined. Here, we report that Wnt2b was highly expressed in the fibrotic liver tissues, exhibiting protective effects against activation of hepatic stellate cells (HSCs) and fibrosis progression. We identified a negative regulation of Wnt2b on the toll-like receptor 4 (TLR4) activation-mediated pro-fibrogenic effects...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632033/overexpression-of-alk5-induces-human-tenon-s-capsule-fibroblasts-transdifferentiation-and-fibrosis-in-vitro
#19
Shu-Hao Fu, Hui-Ying Wang, Jia-Ying Zhang, Hui-Min Shi, Nan Zhang, Wen Ye, Yi-Qin Xiao
PURPOSE: To investigate the involvement of activin receptor-like kinase 5 (ALK5) in human Tenon's capsule fibroblasts (HTFs) transdifferentiation and fibrosis. METHODS: (1) Cultured HTFs were treated with transforming growth factor beta 1 (TGF-β1) at different concentrations for different durations, mRNA expression of ALK5 and plasminogen activator inhibitor-1 (PAI-1) was measured by quantitative polymerase chain reaction (PCR) while protein expression of ALK5, α-smooth muscle actin (α-SMA), and extracellular matrix deposition including fibronectin (FN) and collagen I (Col1) was assessed by western blot...
February 28, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28627391/low-molecular-weight-fucoidan-and-its-fractions-inhibit-renal-epithelial-mesenchymal-transition-induced-by-tgf-%C3%AE-1-or-fgf-2
#20
Xinpeng Li, Xiaohong Li, Quanbin Zhang, Tingting Zhao
We investigated the renal protective effects of low molecular weight fucoidan (LMWF) and its two fractions (F0.5 and F1.0), which were extracted from Laminaria japonica, on the epithelial-mesenchymal transition (EMT) induced by transforming growth factor beta 1 (TGF-β1) and fibroblast growth factor 2 (FGF-2) in HK-2 human renal proximal tubular cells. Cell morphology and EMT markers (fibronectin and alpha-smooth muscle actin) demonstrated that cells treated with TGF-β1 or FGF-2 developed EMT to a significant extent...
June 13, 2017: International Journal of Biological Macromolecules
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