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https://www.readbyqxmd.com/read/28425257/role-of-hygienic-factors-in-the-etiology-of-allergic-disorders-in-children
#1
Şule Yeşil, Ahmet Kan, Olkar Abdulmajed, Arzu Bakirtaş, Nedim Sultan, Sadık M Demirsoy
BACKGROUND/AIM: We investigated the role of body flora and chronic inflammatory infections in the etiology of allergic disorders in Turkish children. MATERIALS AND METHODS: Forty pediatric asthma patients with positive skin prick tests and 40 age-matched healthy subjects with negative skin prick tests were enrolled in this cross-sectional study. Serum H. pylori IgG, viral hepatitis serology, IL-10, and TGF-beta levels were measured. Stool and throat cultures were taken and tested for occurrence of microorganisms...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424263/the-kielin-chordin-like-protein-kcp-attenuates-high-fat-diet-induced-obesity-and-metabolic-syndrome-in-mice
#2
Abdul Soofi, Katherine I Wolf, Margo P Emont, Nathan Qi, Gabriel Martinez-Santibanez, Edward Grimley, Wesam Ostwani, Gregory R Dressler
Obesity and its associated complications, such as insulin resistance and non-alcoholic fatty liver disease, are reaching epidemic proportions. In mice, the TGF-beta superfamily is implicated in the regulation of white and brown adipose tissue differentiation. The Kielin/chordin-like Protein (KCP) is a secreted regulator of the TGF-beta superfamily pathways that can inhibit both TGF-beta and activin signals while enhancing bone morphogenetic protein (BMP) signaling. However, KCP's effects on metabolism and obesity have not been studied in animal models...
April 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28422321/aberrantly-expressed-long-non-coding-rnas-in-cd8-t-cells-response-to-active-tuberculosis
#3
Yurong Fu, Kunshan Gao, Enxue Tao, Ruifang Li, Zhengjun Yi
Dysregulated expression of long noncoding RNAs (lncRNAs) has been demonstrated as being implicated in a variety of human diseases. In the study we aimed to determine lncRNA profile in CD8(+) T cells response to active tuberculosis (TB). We examined the lncRNA expression by microarray in circulating CD8(+) T cells isolated from patients with active TB and healthy controls. Change predictions to analysis was used to address functional roles of the deregulated mRNAs. Real-time quantitative PCR (RT-qPCR) was used to validate the microarray result...
April 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28415639/epithelial-to-mesenchymal-transition-in-the-development-of-endometriosis
#4
Yan-Meng Yang, Wan-Xi Yang
Endometriosis, an estrogen-dependent chronic gynecological disease, is common in reproductive-age women and profoundly affects their life quality. Although various pathogenic theories have been proposed, the origin of endometriosis remains unclear. Epithelial to mesenchymal transition (EMT) is a process that epithelial cells lose polarized organization of the cytoskeleton and cell-to-cell contacts, acquiring the high motility of mesenchymal cells. These changes are thought to be prerequisites for the original establishment of endometriotic lesions...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411077/the-good-cop-bad-cop-tgf-beta-role-in-breast-cancer-modulated-by-non-coding-rnas
#5
REVIEW
Gulei Diana, Nikolay Mehterev, Hui Ling, Giorgio Stanta, Braicu Cornelia, Berindan-Neagoe Ioana
BACKGROUND: Lack of early diagnosis methods and the development of drug resistance are among the main reasons for increased mortality rates within breast cancer patients. These two aspects are governed by specific pro-carcinogenic modifications, where TGBß-induced EMT is one of the leading actors. Endowment of the epithelial cells with mesenchymal characteristics allows them to migrate and invade secondary tissues in order to form malignant sites and also confers chemoresistance. TGFß which role switches from the tumor suppressor cytokine to the oncogenic one favoring the tumor microenvironment regulates this process...
April 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28400270/differential-expression-profile-of-mirnas-in-porcine-muscle-and-adipose-tissue-during-development
#6
Qi Wang, Renli Qi, Jing Wang, Wenming Huang, Yongjiang Wu, Huang Xiaofeng, Feiyun Yang, Jinxiu Huang
MicroRNAs (miRNAs) are a class of non-coding RNAs that play a crucial regulatory role in many biological processes. Previous studies have reported miRNAs that are associated with the growth, differentiation, and proliferation of myocytes and adipocytes in pigs. However, differences in the miRNA expression profiles between muscle and adipose tissues during porcine development are unknown. Muscle and adipose tissues are the two major organs that are crucial for dynamic energy balance in the development and metabolism...
April 8, 2017: Gene
https://www.readbyqxmd.com/read/28399671/substance-p-increases-ccn2-dependent-on-tgf-beta-yet-collagen-type-i-via-tgf-beta1-dependent-and-independent-pathways-in-tenocytes
#7
Nagat Frara, Paul W Fisher, Yingjie Zhao, Joseph T Tarr, Mamta Amin, Steven N Popoff, Mary F Barbe
Transforming growth factor beta 1 (TGFbeta-1) and connective tissue growth factor (CCN2) are important mediators of tissue repair and fibrosis, with CCN2 functioning as a downstream mediator of TGFβ-1. Substance P (SP) is also linked to collagen production in tenocytes. A link between SP, TGFbeta-1 and CCN2 has yet to be established in tenocytes or fibrogenic processes. We sought to determine whether SP induces tenocyte proliferation, CCN2, or collagen production via TGFbeta-1 signaling or independently in rat primary tenocytes...
March 1, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28393074/adenovirus-mediated-ccr7-and-btla-overexpression-enhances-immune-tolerance-and-migration-in-immature-dendritic-cells
#8
Haiming Xin, Jinhong Zhu, Hongcheng Miao, Zhenyu Gong, Xiaochen Jiang, Xiaoyan Feng, Yalin Tong
Our previous report revealed that immature dendritic cells (imDCs) with adenovirus-mediated CCR7 overexpression acquired an enhanced migratory ability but also exhibited the lower immune tolerance observed in more mature cells. In the present study, we aimed to investigate whether BTLA overexpression was sufficient to preserve immune tolerance in imDCs with exogenous CCR7 overexpression. Scanning electron microscopy and surface antigens analysis revealed that BTLA overexpression suppressed DC maturation, an effect further potentiated in CCR7 and BTLA cooverexpressing cells...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28389562/tgf-beta-1-regulates-cd44v6-expression-and-activity-through-erk-induced-egr1-in-pulmonary-fibrogenic-fibroblasts
#9
Shibnath Ghatak, Roger R Markwald, Vincent C Hascall, William Dowling, Robyn Grayson Lottes, John E Baatz, Gyada Beeson, Craig C Beeson, Mark A Perrella, Victor J Thannickal, Suniti Misra
The appearance of myofibroblasts is generally thought to be the underlying cause of the fibrotic changes that underlie idiopathic pulmonary fibrosis (IPF). However, cellular/molecular mechanisms that account for the fibroblast-myofibroblast differentiation/activation in IPF remains poorly understood. We investigated the functional role of hyaluronan (HA) receptor CD44v6 [CD44 containing variable exon 6 (v6)] for differentiation of lung fibroblast to myofibroblast phenotype. Increased HA synthesis and CD44 expression have been detected in numerous fibrotic organs...
April 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28389561/tgf-beta-1-induced-cd44v6-nox4-signaling-in-pathogenesis-of-idiopathic-pulmonary-fibrosis
#10
Shibnath Ghatak, Vincent C Hascall, Roger R Markwald, Carol Feghali-Bostwick, Carol M Artlett, Monika Gooz, Galina S Bogatkevich, Ilia Atanelishvili, Richard M Silver, Jeanette Wood, Victor J Thannickal, Suniti Misra
Idiopathic pulmonary fibrosis (IPF) is a progressive clinical syndrome of fatal outcome. The lack of information about the signaling pathways that sustain fibrosis and the myofibroblasts phenotype has prevented the development of targeted therapies for IPF. Our previous study (1) showed that isolated fibrogenic lung fibroblasts have high endogenous levels of the hyaluronan receptor, CD44v6 (CD44-variants containing exon-6), which enhances the TGF-beta-1 autocrine signaling and induces fibroblasts to transdifferentiate into myofibroblasts...
April 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28386343/signaling-by-tgf-betas-in-tubule-cultures-of-adult-rat-testis
#11
Kai-Hui Chan, Sebastian P Galuska, Pradeep Kumar Kudipudi, Mohammad Assad Riaz, Kate L Loveland, Lutz Konrad
Although signal transduction of transforming growth factor-betas (TGF-βs) is well characterized in individual cell types, data about TGF-β signaling in a cellular context is still scarce. In this study, we used ex vivo tubule cultures from adult rat testis to investigate TGF-β signaling. We show for the first time in testicular tubules, that TGF-βs also signal via the BMP type I receptors, with ALK2 used by TGF-β1 and ALK3 and ALK6 by TGF-β2. This signal transduction is mediated via Smad3 as well as via Smad1...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28367238/a-comprehensive-ngs-data-analysis-of-differentially-regulated-mirnas-pirnas-lncrnas-and-sn-snornas-in-triple-negative-breast-cancer
#12
Srinivas V Koduru, Amit K Tiwari, Ashley Leberfinger, Sprague W Hazard, Yuka Imamura Kawasawa, Milind Mahajan, Dino J Ravnic
Cancer is the second leading cause of death in the United States and is a major public health concern worldwide. Basic, clinical and epidemiological research is leading to improved cancer detection, prevention, and outcomes. Recent technological advances have allowed unbiased and comprehensive screening of genome-wide gene expression. Small non-coding RNAs (sncRNAs) have been shown to play an important role in biological processes and could serve as a diagnostic, prognostic and therapeutic biomarker for specific diseases...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28349416/the-effect-of-the-colostral-cells-on-gene-expression-of-cytokines-in-cord-blood-cells
#13
Jiří Hrdý, Olga Novotná, Ingrid Kocourková, Ludmila Prokešová
Beneficial effect of maternal milk is acknowledged, but there is still question whether maternal milk from allergic mother is as good as from healthy one. In our study, we have assayed the effect of cells from colostrum of healthy and allergic mothers on gene expression of cytokines in cord blood cells of newborns of healthy and allergic mothers. Cytokines typical for Th1 (IL-2, IFN-gamma), Th2 (IL-4, IL-13), Tregs (IL-10, TGF-beta), and IL-8 were followed. We were not able to detect significant influence of colostral cells on gene expression of cytokines in cord blood after 2-day coculture using Transwell system...
March 28, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28349193/time-matched-analysis-of-dna-adduct-formation-and-early-gene-expression-as-predictive-tool-for-renal-carcinogenesis-in-methylazoxymethanol-acetate-treated-eker-rats
#14
Valentina Klaus, Heinke Bastek, Katja Damme, Leonard B Collins, Roland Frötschl, Norbert Benda, Dominik Lutter, Heidrun Ellinger-Ziegelbauer, James A Swenberg, Daniel R Dietrich, Kerstin Stemmer
Genotoxic carcinogens pose great hazard to human health. Uncertainty of current risk assessment strategies and long latency periods between first carcinogen exposure and diagnosis of tumors have raised interest in predictive biomarkers. Initial DNA adduct formation is a necessary step for genotoxin induced carcinogenesis. However, as DNA adducts not always translate into tumorigenesis, their predictive value is limited. Here we hypothesize that the combined analysis of pro-mutagenic DNA adducts along with time-matched gene expression changes could serve as a superior prediction tool for genotoxic carcinogenesis...
March 27, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28280741/the-correlation-base-selection-algorithm-for-diagnostic-schizophrenia-based-on-blood-based-gene-expression-signatures
#15
Hang Zhang, Ziyang Xie, Yuwen Yang, Yizhen Zhao, Bao Zhang, Jing Fang
Microarray analysis of gene expression is often used to diagnose different types of disease. Many studies report remarkable achievements in nervous system disease. Clinical diagnosis of schizophrenia (SCZ) still depends on doctors' experience, which is unreliable and needs to be more objective and quantified. To solve this problem, we collected whole blood gene expression data from four studies, including 152 individuals with schizophrenia (SCZ) and 138 normal controls in different regions. The correlation-based feature selection (CFS, one of the machine learning methods) algorithm was applied in this study, and 103 significantly differentially expressed genes between patients and controls, called "feature genes," were selected; then, a model for SCZ diagnosis was built...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28231331/mesenchymal-stromal-cells-mscs-induce-ex-vivo-proliferation-and-erythroid-commitment-of-cord-blood-haematopoietic-stem-cells-cb-cd34-cells
#16
Simone Perucca, Andrea Di Palma, Pier Paolo Piccaluga, Claudia Gemelli, Elisa Zoratti, Giulio Bassi, Edoardo Giacopuzzi, Andrea Lojacono, Giuseppe Borsani, Enrico Tagliafico, Maria Teresa Scupoli, Simona Bernardi, Camilla Zanaglio, Federica Cattina, Valeria Cancelli, Michele Malagola, Mauro Krampera, Mirella Marini, Camillo Almici, Sergio Ferrari, Domenico Russo
A human bone marrow-derived mesenchymal stromal cell (MSCs) and cord blood-derived CD34+ stem cell co-culture system was set up in order to evaluate the proliferative and differentiative effects induced by MSCs on CD34+ stem cells, and the reciprocal influences on gene expression profiles. After 10 days of co-culture, non-adherent (SN-fraction) and adherent (AD-fraction) CD34+ stem cells were collected and analysed separately. In the presence of MSCs, a significant increase in CD34+ cell number was observed (fold increase = 14...
2017: PloS One
https://www.readbyqxmd.com/read/28225655/mnte-2-pyp-treatment-or-nox4-inhibition-protects-against-radiation-induced-damage-in-mouse-primary-prostate-fibroblasts-by-inhibiting-the-tgf-beta-1-signaling-pathway
#17
Arpita Chatterjee, Elizabeth A Kosmacek, Rebecca E Oberley-Deegan
Prostate cancer patients who undergo radiotherapy frequently suffer from side effects caused by radiation-induced damage to normal tissues adjacent to the tumor. Exposure of these normal cells during radiation treatment can result in tissue fibrosis and cellular senescence, which ultimately leads to postirradiation-related chronic complications including urinary urgency and frequency, erectile dysfunction, urethral stricture and incontinence. Radiation-induced reactive oxygen species (ROS) have been reported as the most potent causative factor for radiation damage to normal tissue...
February 22, 2017: Radiation Research
https://www.readbyqxmd.com/read/28213007/effect-of-dasatinib-on-emt-mediated-mechanism-of-resistance-against-egfr-inhibitors-in-lung-cancer-cells
#18
Yuichi Sesumi, Kenichi Suda, Hiroshi Mizuuchi, Yoshihisa Kobayashi, Katsuaki Sato, Masato Chiba, Masaki Shimoji, Kenji Tomizawa, Toshiki Takemoto, Tetsuya Mitsudomi
OBJECTIVE: The epithelial to mesenchymal transition (EMT) is associated with acquired resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) in certain non-small cell lung cancers that harbor EGFR mutations. Because no currently available drugs specifically kill cancer cells via EMT, novel treatment strategies that overcome or prevent EMT are needed. A recent report suggested that dasatinib (an ABL/Src kinase inhibitor) inhibits EMT induced by transforming growth factor (TGF)-beta in lung cancer cells (Wilson et al...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28192115/substance-p-enhances-proliferation-and-paracrine-potential-of-adipose-derived-stem-cells-in%C3%A2-vitro
#19
Suna Kim, Jiyuan Piao, Youngsook Son, Hyun Sook Hong
Stem cells have tremendous promise to treat intractable diseases. Notably, adipose-derived stem cells (ADSCs) are actively being investigated because of ease of sampling and high repopulation capacity in vitro. ADSCs can exert a therapeutic effect through differentiation and paracrine potential, and these actions have been proven in many diseases, including cutaneous and inflammatory diseases. Transplantation of ADSCs necessitates therapeutic quantities and thus, long term ex vivo culture of ADSCs. However, this procedure can impair the activity of ADSCs and provoke cellular senescence, leading to low efficacy in vivo...
March 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28173844/differential-long-noncoding-rna-mrna-expression-profiling-and-functional-network-analysis-during-osteogenic-differentiation-of-human-bone-marrow-mesenchymal-stem-cells
#20
Wenyuan Zhang, Rui Dong, Shu Diao, Juan Du, Zhipeng Fan, Fu Wang
BACKGROUND: Mesenchymal stem cells (MSCs) are the most promising cell types for bone regeneration and repair due to their osteogenic potential. MSC differentiation is precisely regulated and orchestrated by the mechanical and molecular signals from the extracellular environment, involving complex pathways regulated at both the transcriptional and post-transcriptional levels. However, the potential role of long noncoding RNA (lncRNA) in the osteogenic differentiation of human MSCs remains largely unclear...
February 7, 2017: Stem Cell Research & Therapy
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