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transcription factor 7-like 2

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https://www.readbyqxmd.com/read/28096669/nanocoating-with-plant-derived-pectins-activates-osteoblast-response-in-vitro
#1
J Folkert, A Meresta, T Gaber, K Miksch, F Buttgereit, J Detert, N Pischon, K Gurzawska
A new strategy to improve osseointegration of implants is to stimulate adhesion of bone cells, bone matrix formation, and mineralization at the implant surface by modifying surface coating on the nanoscale level. Plant-derived pectins have been proposed as potential candidates for surface nanocoating of orthopedic and dental titanium implants due to 1) their osteogenic stimulation of osteoblasts to mineralize and 2) their ability to control pectin structural changes. The aim of this study was to evaluate in vitro the impact of the nanoscale plant-derived pectin Rhamnogalacturonan-I (RG-I) from potato on the osteogenic response of murine osteoblasts...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28092684/biallelic-mutations-in-the-3-exonuclease-toe1-cause-pontocerebellar-hypoplasia-and-uncover-a-role-in-snrna-processing
#2
Rea M Lardelli, Ashleigh E Schaffer, Veerle R C Eggens, Maha S Zaki, Stephanie Grainger, Shashank Sathe, Eric L Van Nostrand, Zinayida Schlachetzki, Basak Rosti, Naiara Akizu, Eric Scott, Jennifer L Silhavy, Laura Dean Heckman, Rasim Ozgur Rosti, Esra Dikoglu, Anne Gregor, Alicia Guemez-Gamboa, Damir Musaev, Rohit Mande, Ari Widjaja, Tim L Shaw, Sebastian Markmiller, Isaac Marin-Valencia, Justin H Davies, Linda de Meirleir, Hulya Kayserili, Umut Altunoglu, Mary Louise Freckmann, Linda Warwick, David Chitayat, Susan Blaser, Ahmet Okay Çağlayan, Kaya Bilguvar, Huseyin Per, Christina Fagerberg, Henrik T Christesen, Maria Kibaek, Kimberly A Aldinger, David Manchester, Naomichi Matsumoto, Kazuhiro Muramatsu, Hirotomo Saitsu, Masaaki Shiina, Kazuhiro Ogata, Nicola Foulds, William B Dobyns, Neil C Chi, David Traver, Luigina Spaccini, Stefania Maria Bova, Stacey B Gabriel, Murat Gunel, Enza Maria Valente, Marie-Cecile Nassogne, Eric J Bennett, Gene W Yeo, Frank Baas, Jens Lykke-Andersen, Joseph G Gleeson
Deadenylases are best known for degrading the poly(A) tail during mRNA decay. The deadenylase family has expanded throughout evolution and, in mammals, consists of 12 Mg(2+)-dependent 3'-end RNases with substrate specificity that is mostly unknown. Pontocerebellar hypoplasia type 7 (PCH7) is a unique recessive syndrome characterized by neurodegeneration and ambiguous genitalia. We studied 12 human families with PCH7, uncovering biallelic, loss-of-function mutations in TOE1, which encodes an unconventional deadenylase...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28090796/impact-of-c-rel-inhibition-of-cord-blood-derived-b-t-and-nk-cells
#3
Shirin Fallahi, Seyede Momeneh Mohammadi, Hamid Tayefi Nasrabadi, Alireza Alihemmati, Naser Samadi, Sanaz Gholami, Dariush Shanehbandi, Hojjatollah Nozad Charoudeh
The c-Rel transcription factor is a unique member of the nuclear factor (NF)-κB family that has a role in curtailing the proliferation, differentiation, cytokine production, and overall activity of B- and T-cells. In addition, c-Rel is a key regulator of apoptosis in that it influences the expression of anti-apoptotic genes such as Bcl-2 and Bcl-xL; conversely, inhibition of c-Rel increases cell apoptosis. To better understand the relationship between c-Rel expression and effects on B- and T-cell expansion, the current study evaluated c-Rel expression in cord blood mononuclear cells...
January 16, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28089517/hypoxia-induces-a-hif-1-dependent-transition-from-collective-to-amoeboid-dissemination-in-epithelial-cancer-cells
#4
Steffi Lehmann, Veronika Te Boekhorst, Julia Odenthal, Roberta Bianchi, Sjoerd van Helvert, Kristian Ikenberg, Olga Ilina, Szymon Stoma, Jael Xandry, Liying Jiang, Reidar Grenman, Markus Rudin, Peter Friedl
Cancer metastases arise from a multi-step process that requires metastasizing tumor cells to adapt to signaling input from varying tissue environments [1]. As an early metastatic event, cancer cell dissemination occurs through different migration programs, including multicellular, collective, and single-cell mesenchymal or amoeboid migration [2-4]. Migration modes can interconvert based on changes in cell adhesion, cytoskeletal mechanotransduction [5], and/or proteolysis [6], most likely under the control of transcriptional programs such as the epithelial-to-mesenchymal transition (EMT) [7, 8]...
January 11, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28088955/-effect-of-kr%C3%A3-ppel-like-zinc-finger-transcription-factor-2-on-%C3%AE-glutamylcysteine-synthetase-in-bronchial-epithelial-cells-of-chronic-obstructive-pulmonary-disease
#5
J Li, A G Dai, C Y Huang, R C Hu
Objective: To research the regulation effects of Krüppel like zinc finger transcription factor 2 (KLF2) on γ-glutamylcysteine synthetase (γ-GCS) in airway epithelial cells of chronic obstructive pulmonary disease (COPD). Methods: (1) Human specimen experiment: lung tissue of pulmonary lobectomy patients with lung cancer with or without COPD was collected from Department of Thoracic Surgery of Hunan Cancer Hospital from December 2008 to December 2009. The patients were divided into COPD group and control group without COPD...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28081371/gwas-identifies-new-loci-for-painful-temporomandibular-disorder
#6
A E Sanders, D Jain, T Sofer, K F Kerr, C C Laurie, J R Shaffer, M L Marazita, L M Kaste, G D Slade, R B Fillingim, R Ohrbach, W Maixner, T Kocher, O Bernhardt, A Teumer, C Schwahn, K Sipilä, R Lähdesmäki, M Männikkö, P Pesonen, M Järvelin, C M Rizzatti-Barbosa, C B Meloto, M Ribeiro-Dasilva, L Diatchenko, P Serrano, S B Smith
Temporomandibular disorder (TMD) is a musculoskeletal condition characterized by pain and reduced function in the temporomandibular joint and/or associated masticatory musculature. Prevalence in the United States is 5% and twice as high among women as men. We conducted a discovery genome-wide association study (GWAS) of TMD in 10,153 participants (769 cases, 9,384 controls) of the US Hispanic Community Health Study/Study of Latinos (HCHS/SOL). The most promising single-nucleotide polymorphisms (SNPs) were tested in meta-analysis of 4 independent cohorts...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28070797/inhibition-of-mt1-mmp-proteolytic-function-and-erk1-2-signalling-influences-cell-migration-and-invasion-through-changes-in-mmp-2-and-mmp-9-levels
#7
Mario A Cepeda, Caitlin L Evered, Jacob J H Pelling, Sashko Damjanovski
Membrane type-1 matrix metalloproteinase (MT1-MMP, MMP-14) is a unique protease that cleaves extracellular proteins, activates proMMPs, and initiates intracellular signalling. MCF-7 cells are non-invasive and deficient in MT1-MMP, MMP-2, and MMP-9 expression. We created an MCF-7 cell line (C2) that stably produces active MT1-MMP and demonstrated increased ERK1/2 phosphorylation. MAPK inhibition in this cell line showed an inverse relationship in MMP-2 and MMP-9 transcripts where levels of these genes increased and decreased, respectively...
January 9, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28068647/berberine-an-isoquinoline-alkaloid-suppresses-txnip-mediated-nlrp3-inflammasome-activation-in-msu-crystal-stimulated-raw-264-7-macrophages-through-the-upregulation-of-nrf2-transcription-factor-and-alleviates-msu-crystal-induced-inflammation-in-rats
#8
Palani Dinesh, MahaboobKhan Rasool
The current study was designed to investigate the therapeutic potential of berberine on monosodium urate (MSU) crystal stimulated RAW 264.7 macrophages and in MSU crystal induced rats. Our results indicate that berberine (25, 50 and 75μM) suppressed the levels of pro-inflammatory cytokines (interleukin-1beta (IL-1β) and tumor necrosis factor alpha (TNFα)) and intracellular reactive oxygen species in MSU crystal stimulated RAW 264.7 macrophages. The mRNA expression levels of IL-1β, caspase 1, nucleotide-binding oligomerization domain-like receptor pyrin domain containing 3 (NLRP3), thioredoxin interacting protein (TXNIP) and kelch-like ECH-associated protein 1 (Keap1) were found downregulated with the upregulation of nuclear factor erythroid-2-related factor 2 (Nrf2) transcription factor and its associated anti-oxidant enzymes: Heme oxygenase I (HO-1), superoxide dismutase (SOD1), glutathione peroxidase (GPx), NADPH quinone oxidoreductase-1 (NQO1) and catalase (CAT) in MSU crystal stimulated RAW 264...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28067907/grhl2-reduces-invasion-and-migration-through-inhibition-of-tgf%C3%AE-induced-emt-in-gastric-cancer
#9
J Xiang, X Fu, W Ran, Z Wang
Metastasis is one of the typical features of malignancy that significantly increases cancer-related mortality. Recent studies have shown that epithelial-mesenchymal transition (EMT) is closely related to the invasion and migration of cancer cells. Grainyhead-like 2 (Grhl2), a transcription factor, has been reported to be associated with several tumor processes including EMT. In the previous study, we have reported that Grhl2 functioned as a tumor suppressor in proliferation and apoptosis of gastric cancer. Here we aim to explore the effects of Grhl2 on invasion and migration of gastric cancer and further clarify its possible underlying mechanisms...
January 9, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28067270/osmyc2-an-essential-factor-for-ja-inductive-sakuranetin-production-in-rice-interacts-with-myc2-like-proteins-that-enhance-its-transactivation-ability
#10
Satoshi Ogawa, Koji Miyamoto, Keiichirou Nemoto, Tatsuya Sawasaki, Hisakazu Yamane, Hideaki Nojiri, Kazunori Okada
Biosynthesis of sakuranetin, a flavonoid anti-fungal phytoalexin that occurs in rice, is highly dependent on jasmonic acid (JA) signalling and induced by a variety of environmental stimuli. We previously identified OsNOMT, which encodes naringenin 7-O-methyltransferase (NOMT); NOMT is a key enzyme for sakuranetin production. Although OsNOMT expression is induced by JA treatment, the regulation mechanism that activates the biosynthetic pathway of sakuranetin has not yet been elucidated. In this study, we show that JA-inducible basic helix-loop-helix transcriptional factor OsMYC2 drastically enhances the activity of the OsNOMT promoter and is essential for JA-inducible sakuranetin production...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28057739/aberrant-let7a-hmga2-signaling-activity-with-unique-clinical-phenotype-in-jak2-mutated-myeloproliferative-neoplasms
#11
Chih-Cheng Chen, Jie-Yu You, Jrhau Lung, Cih-En Huang, Yi-Yang Chen, Yu-Wei Leu, Hsing-Ying Ho, Chian-Pei Li, Chang-Hsien Lu, Kuan-Der Lee, Chia-Chen Hsu, Jyh-Pyng Gau
High mobility group AT-hook 2 (HMGA2) is an architectural transcriptional factor that is negatively regulated by Let-7 microRNA through binding to its 3-untranslated region (3-UTR). Transgenic mice expressing HMGA2 with a truncation of its 3-UTR has been shown to exhibit a myeloproliferative phenotype. To decipher the Let-7-HMGA2 axis in myeloproliferative neoplasms (MPN), we employed an in vitro model supplemented with clinical correlation. Ba/F3 cells with inducible JAK2V617F expression (Ton.JAK2.V617F cells) showed up-regulation of HMGA2 with concurrent let-7a repression...
January 5, 2017: Haematologica
https://www.readbyqxmd.com/read/28007462/celecoxib-inhibits-osteoblast-maturation-by-suppressing-the-expression-of-wnt-target-genes
#12
Akihiro Nagano, Masaki Arioka, Fumi Takahashi-Yanaga, Etsuko Matsuzaki, Toshiyuki Sasaguri
Non-steroidal anti-inflammatory drugs (NSAIDs) have been shown to impair bone healing. We previously reported that in colon cancer cells, celecoxib, a COX-2-selective NSAID, inhibited the canonical Wnt/β-catenin signaling pathway. Since this pathway also plays an important role in osteoblast growth and differentiation, we examined the effect of celecoxib on maturation of osteoblast-like cell line MC3T3-E1. Celecoxib induced degradation of transcription factor 7-like 2, a key transcription factor of the canonical Wnt pathway...
December 1, 2016: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28004076/-research-progress-of-kr%C3%A3-ppel-like-factor-7
#13
Yue-Chan Chen, Hong Wei, Zhi-Wei Zhang
Krüppel-like factor 7 (KLF7), a member of Krüppel-like transcription factors (KLFs), also known as ubiquitous Krüppel- like factor (UKLF), is ubiquitously expressed in various tissues of adult human beings. Genetics reports showed that the genetic polymorphism of KLF7 is associated with obesity, type 2 diabetes, mental development in human beings; and KLF7 methylation is associated with the development of diffuse gastric cancer (gastric adenocarcinoma). In addition, some genomics reports suggested that KLF7 is one of the key transcription factors in the regulatory networks of serum markers change during the cardiovascular disease...
December 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/27998387/association-of-tcf7l2-and-gcg-gene-variants-with-insulin-secretion-insulin-resistance-and-obesity-in-new-onset-diabetes
#14
Lu Zhang, Ming Zhang, Jin Jin Wang, Chong Jian Wang, Yong Cheng Ren, Bing Yuan Wang, Hong Yan Zhang, Xiang Yu Yang, Yang Zhao, Cheng Yi Han, Jun Mei Zhou, Chao Pang, Lei Yin, Jing Zhi Zhao, Xin Ping Luo, Dong Sheng Hu
This cohort study was designed to evaluate the association of transcription factor 7-like 2 (TCF7L2) and proglucagon gene (GCG) variants with disordered glucose metabolism and the incidence of type 2 diabetes mellitus (T2DM) in a rural adult Chinese population. A total of 7,751 non-T2DM participants ⋝18 years old genotyped at baseline were recruited. The same questionnaire interview and physical and blood biochemical examinations were performed at both baseline and follow-up. During a median 6 years of follow-up, T2DM developed in 227 participants...
November 2016: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/27995274/emergence-of-life-on-earth-a-physicochemical-jigsaw-puzzle
#15
REVIEW
Jan Spitzer
We review physicochemical factors and processes that describe how cellular life can emerge from prebiotic chemical matter; they are: (1) prebiotic Earth is a multicomponent and multiphase reservoir of chemical compounds, to which (2) Earth-Moon rotations deliver two kinds of regular cycling energies: diurnal electromagnetic radiation and seawater tides. (3) Emerging colloidal phases cyclically nucleate and agglomerate in seawater and consolidate as geochemical sediments in tidal zones, creating a matrix of microspaces...
December 19, 2016: Journal of Molecular Evolution
https://www.readbyqxmd.com/read/27994169/subfunctionalization-of-paralogous-aryl-hydrocarbon-receptors-from-the-frog-xenopus-laevis-distinct-target-genes-and-differential-responses-to-specific-agonists-in-a-single-cell-type
#16
Scott H Freeburg, Eric Engelbrecht, Wade H Powell
Gene duplication confers genetic redundancy that can facilitate subfunctionalization, the partitioning of ancestral functions between paralogs. We capitalize on a recent genome duplication in Xenopus laevis (African clawed frog) to interrogate possible functional differentiation between alloalleles of the aryl hydrocarbon receptor (AHR), a ligand-activated transcription factor that mediates toxicity of dioxin-like compounds and plays a role in the physiology and development of the cardiovascular, hepatic, and immune systems in vertebrates...
October 19, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/27988459/suppression-of-lps-induced-nf-%C3%AE%C2%BAb-activity-in-macrophages-by-the-synthetic-aurone-z-2-5-hydroxymethyl-furan-2-yl-methylene-benzofuran-3-2h-one
#17
Hyo S Park, David E Nelson, Zachary E Taylor, James B Hayes, Kirsten D Cunningham, Brock A Arivett, Rajarshi Ghosh, Larissa C Wolf, Kimberley M Taylor, Mary B Farone, Scott T Handy, Anthony L Farone
Suppressing cytokine responses has frequently been shown to have promising therapeutic effects for many chronic inflammatory and autoimmune diseases. However, the severe side effects associated with the long-term use of current treatments, such as allergic reactions and increased risk of stroke, have focused attention towards the targeting of intracellular signaling mechanisms, such as NF-κB, that regulate inflammation. We synthesized a series of non-natural aurone derivatives and investigated their ability to suppress pro-inflammatory signaling in human monocyte (THP-1) and murine macrophage-like (RAW 267...
February 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27983772/metabolic-response-to-olanzapine-in-healthy-chinese-subjects-with-rs7093146-polymorphism-in-transcription-factor-7-like-2-gene-tcf7l2-a-prospective-study
#18
Qing Li, Dong Guo, Hong Yang, Zhi Ye, Jin Huang, Yan Shu
Olanzapine is a widely used atypical antipsychotic with significant weight gain and other metabolic side effects. The locus of the transcription factor 7-like 2 (TCF7L2) gene is strongly associated with type 2 diabetes (T2D). The goal of this study was to determine whether polymorphic TCF7L2 is involved in the susceptibility to the metabolic changes associated with the atypical antipsychotic agents (AAPs). In this study, a parallel clinical study with 3-day consecutive administration of olanzapine (10 mg/day) was conducted in 17 healthy subjects with a genotype of TCF7L2 rs7903146 CC (N=10) or CT (N=7)...
December 16, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27958632/association-between-rs7901695-and-rs7903146-polymorphisms-of-the-tcf7l2-gene-and-gestational-diabetes-in-the-population-of-southern-poland
#19
Malgorzata Michalak-Wojnowska, Daria Gorczyca-Siudak, Tomasz Gorczyca, Barbara Mosiewicz, Anna Kwaśniewska, Agata Filip, Jerzy Mosiewicz
OBJECTIVES: The etiology of gestational diabetes mellitus (GDM) remains to be fully elucidated. Elevated risk for type 2 diabetes in patients with history of GDM and for GDM in women with familial history of diabetes may suggest that GDM and type 2 diabetes share a common genetic and environmental background. The TCF7L2 (Transcription Factor 7 Like 2) gene is one of the most important genetic factors of the established correlation with type 2 diabetes, and it may also play a role in the pathophysiology of GDM...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/27932423/integrated-genomic-analysis-of-survival-outliers-in-glioblastoma
#20
Sen Peng, Harshil Dhurv, Brock Armstrong, Bodour Salhia, Christophe Legendre, Jeffrey Kiefer, Julianna Parks, Selene Virk, Andrew E Sloan, Quinn T Ostrom, Jill S Barnholtz-Sloan, Nhan L Tran, Michael E Berens
BACKGROUND: To elucidate molecular features associated with disproportionate survival of glioblastoma (GB) patients, we conducted deep genomic comparative analysis of a cohort of patients receiving standard therapy (surgery plus concurrent radiation and temozolomide); "GB outliers" were identified: long-term survivor of 33 months (LTS; n = 8) versus short-term survivor of 7 months (STS; n = 10). METHODS: We implemented exome, RNA, whole genome sequencing, and DNA methylation for collection of deep genomic data from STS and LTS GB patients...
December 8, 2016: Neuro-oncology
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