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https://www.readbyqxmd.com/read/27533247/novel-biomarkers-of-resistance-of-pancreatic-cancer-cells-to-oncolytic-vesicular-stomatitis-virus
#1
Eric Hastie, Marcela Cataldi, Megan J Moerdyk-Schauwecker, Sébastien A Felt, Nury Steuerwald, Valery Z Grdzelishvili
Vesicular stomatitis virus (VSV) based recombinant viruses (such as VSV-ΔM51) are effective oncolytic viruses (OVs) against a majority of pancreatic ductal adenocarcinoma (PDAC) cell lines. However, some PDAC cell lines are highly resistant to VSV-ΔM51. We recently showed that treatment of VSV-resistant PDAC cells with ruxolitinib (JAK1/2 inhibitor) or TPCA-1 (IKK-β inhibitor) breaks their resistance to VSV-ΔM51. Here we compared the global effect of ruxolitinib or TPCA-1 treatment on cellular gene expression in PDAC cell lines highly resistant to VSV-ΔM51...
August 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27186421/mir-654-5p-attenuates-breast-cancer-progression-by-targeting-epsti1
#2
Yu-Yan Tan, Xiao-Yun Xu, Jin-Feng Wang, Cheng-Wu Zhang, Sheng-Chu Zhang
MicroRNAs (miRNAs) dysregulation is a common event in a variety of human diseases including breast cancer. However, clinical relevance and biological role of miR-654-5p in the progression of breast cancer remain greatly elusive. Herein, the expression levels of miR-654-5p were aberrantly downregulated in human breast cancer specimens and four breast cancer cell lines. Low expression of miR-654-5p was strongly associated with advanced TNM stage and lymph node metastasis as well as a poor survival. Functional analysis showed that miR-654-5p overexpression inhibited cell growth and invasion, and induced cell apoptosis in two aggressive breast cancer cells...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/26146465/epsti1-is-involved-in-il-28a-mediated-inhibition-of-hcv-infection
#3
Xianghe Meng, Darong Yang, Rong Yu, Haizhen Zhu
It has been reported that IFN-λs inhibit HCV replication in vitro. But the mechanisms of how IL-28A conducts antiviral activity and the functions of IL-28A-induced ISGs (IFN-stimulated genes) are not fully understood. In this study, we found that IL-28A has the antiviral effect on HCV life cycle including viral replication, assembly, and release. IL-28A and IFN-α synergistically inhibit virus replication. EPSTI1 (epithelial-stromal interaction 1), one of IL-28A-induced ISGs, plays a vital role in IL-28A-mediated antiviral activity...
2015: Mediators of Inflammation
https://www.readbyqxmd.com/read/25898951/a-stringent-validation-of-mouse-adipose-tissue-identity-markers
#4
Jasper M A de Jong, Ola Larsson, Barbara Cannon, Jan Nedergaard
The nature of brown adipose tissue in humans is presently debated: whether it is classical brown or of brite/beige nature. The dissimilar developmental origins and proposed distinct functions of the brown and brite/beige tissues make it essential to ascertain the identity of human depots with the perspective of recruiting and activating them for the treatment of obesity and type 2 diabetes. For identification of the tissues, a number of marker genes have been proposed, but the validity of the markers has not been well documented...
June 15, 2015: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/25772367/targeted-germline-modifications-in-rats-using-crispr-cas9-and-spermatogonial-stem-cells
#5
Karen M Chapman, Gerardo A Medrano, Priscilla Jaichander, Jaideep Chaudhary, Alexandra E Waits, Marcelo A Nobrega, James M Hotaling, Carole Ober, F Kent Hamra
Organisms with targeted genomic modifications are efficiently produced by gene editing in embryos using CRISPR/Cas9 RNA-guided DNA endonuclease. Here, to facilitate germline editing in rats, we used CRISPR/Cas9 to catalyze targeted genomic mutations in rat spermatogonial stem cell cultures. CRISPR/Cas9-modified spermatogonia regenerated spermatogenesis and displayed long-term sperm-forming potential following transplantation into rat testes. Targeted germline mutations in Epsti1 and Erbb3 were vertically transmitted from recipients to exclusively generate "pure," non-mosaic mutant progeny...
March 24, 2015: Cell Reports
https://www.readbyqxmd.com/read/25590583/breast-cancer-genes-psmc3ip-and-epsti1-play-a-role-in-apoptosis-regulation
#6
Eva Capdevila-Busquets, Nahuai Badiola, Rodrigo Arroyo, Víctor Alcalde, Montserrat Soler-López, Patrick Aloy
A key element to delineate the biology of individual tumors is the regulation of apoptosis. In this work, we functionally characterize two breast cancer associated genes, the proteasome 26S subunit ATPase 3 interacting protein (PSMC3IP) and the epithelial-stromal interaction 1 (EPSTI1), to explore their potential apoptotic role in breast cancer. We first explore the existence of direct physical interactions with annotated BC-apoptotic genes. Based on the generated interaction network, we examine several apoptotic markers to determine the effect of PSMC3IP and EPSTI1 gene expression modulation in two different human breast cancer cell lines to suggest potential molecular mechanisms to unveil their role in the disease...
2015: PloS One
https://www.readbyqxmd.com/read/25327574/identification-of-potential-genomic-biomarkers-for-sj%C3%A3-gren-s-syndrome-using-data-pooling-of-gene-expression-microarrays
#7
Sadik A Khuder, Ibtisam Al-Hashimi, Anand B Mutgi, Nezam Altorok
Sjögren's syndrome (SS) is an autoimmune disease characterized by lymphocytic infiltration and destruction of salivary and lacrimal glands. The diagnosis of SS can be challenging due to lack of a specific test for the disease. The purpose of this study is to examine the accuracy of using gene expression profile for diagnosis of SS. We identified 9 publically available datasets that included gene expression data from saliva and salivary gland biopsy samples of 52 patients with SS and 51 controls. Out of these datasets, we compiled and pooled data from three datasets that included 37 and 29 samples from SS patients and healthy controls, respectively, which were designated as "training set...
May 2015: Rheumatology International
https://www.readbyqxmd.com/read/25113901/early-bovine-embryos-regulate-oviduct-epithelial-cell-gene-expression-during-in-vitro-co-culture
#8
Barbara Schmaltz-Panneau, Amanda Cordova, Sophie Dhorne-Pollet, Christelle Hennequet-Antier, Sveltlana Uzbekova, Emmanuelle Martinot, Sarah Doret, Patrice Martin, Pascal Mermillod, Yann Locatelli
In mammals, the oviduct may participate to the regulation of early embryo development. In vitro co-culture of early bovine embryos with bovine oviduct epithelial cells (BOEC) has been largely used to mimic the maternal environment. However, the mechanisms of BOEC action have not been clearly elucidated yet. The aim of this study was to determine the response of BOEC cultures to the presence of developing bovine embryos. A 21,581-element bovine oligonucleotide array was used compare the gene expression profiles of confluent BOEC cultured for 8 days with or without embryos...
October 2014: Animal Reproduction Science
https://www.readbyqxmd.com/read/24757137/reverse-interferon-signature-is-characteristic-of-antigen-presenting-cells-in-human-and-rat-spondyloarthritis
#9
Ingrid Fert, Nicolas Cagnard, Simon Glatigny, Franck Letourneur, Sébastien Jacques, Judith A Smith, Robert A Colbert, Joel D Taurog, Gilles Chiocchia, Luiza M Araujo, Maxime Breban
OBJECTIVE: In HLA-B27-transgenic rats, the development of a disorder that mimics spondyloarthritis (SpA) is highly correlated with dendritic cell (DC) dysfunction. The present study was undertaken to analyze the underlying mechanisms of this via transcriptome analysis. METHODS: Transcriptome analysis of ex vivo-purified splenic CD103+CD4+ DCs from B27-transgenic rats and control rats was performed. Transcriptional changes in selected genes were confirmed by quantitative reverse transcriptase-polymerase chain reaction...
April 2014: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/24479876/rip140-represses-the-brown-in-white-adipocyte-program-including-a-futile-cycle-of-triacylglycerol-breakdown-and-synthesis
#10
Evangelos Kiskinis, Lemonia Chatzeli, Edward Curry, Myrsini Kaforou, Andrea Frontini, Saverio Cinti, Giovanni Montana, Malcolm G Parker, Mark Christian
Receptor-interacting protein 140 (RIP140) is a corepressor of nuclear receptors that is highly expressed in adipose tissues. We investigated the role of RIP140 in conditionally immortal preadipocyte cell lines prepared from white or brown fat depots. In white adipocytes, a large set of brown fat-associated genes was up-regulated in the absence of RIP140. In contrast, a relatively minor role can be ascribed to RIP140 in the control of basal gene expression in differentiated brown adipocytes because significant changes were observed only in Ptgds and Fabp3...
March 2014: Molecular Endocrinology
https://www.readbyqxmd.com/read/24096480/identification-of-epithelial-stromal-interaction-1-as-a-novel-effector-downstream-of-kr%C3%A3-ppel-like-factor-8-in-breast-cancer-invasion-and-metastasis
#11
T Li, H Lu, C Shen, S K Lahiri, M S Wason, D Mukherjee, L Yu, J Zhao
Krüppel-like factor 8 (KLF8) is a transcriptional factor critical for metastatic progression of breast cancer. Epithelial stromal interaction 1 (EPSTI1), a recently identified stromal fibroblast-induced gene in non-invasive breast cancer cells is highly overexpressed in invasive breast carcinomas. The function and regulation of EPSTI1, however, remain largely unknown. In this paper, we report a novel KLF8 to EPSTI1 signaling pathway in breast cancer. Using various expression analyses, we revealed a high co-overexpression of KLF8 and EPSTI1 in invasive human breast cancer cells and patient tumors...
September 25, 2014: Oncogene
https://www.readbyqxmd.com/read/23609111/a-non-invasive-diagnosis-of-histiocytic-necrotizing-lymphadenitis-by-means-of-gene-expression-profile-analysis-of-peripheral-blood-mononuclear-cells
#12
Masataka Ishimura, Hiroyuki Yamamoto, Yumi Mizuno, Hidetoshi Takada, Motohiro Goto, Takehiko Doi, Takayuki Hoshina, Shouichi Ohga, Koichi Ohshima, Toshiro Hara
Histiocytic necrotizing lymphadenitis (HNL), also called Kikuchi-Fujimoto disease, is a benign, self-limiting inflammatory disease with fever and painful cervical lymphadenopathy of unknown etiology. A lymph node biopsy is required for the definitive diagnosis because of no specific symptoms or laboratory findings for HNL. To establish the rapid non-invasive diagnostic method for this disease, we investigated genes specifically expressed in the patients by analyzing whole transcriptome using microarray analysis of peripheral blood mononuclear cells (PBMC)...
July 2013: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/23072754/chronic-hepatitis-e-virus-infection-is-specifically-associated-with-an-interferon-related-transcriptional-program
#13
Valérie Moal, Julien Textoris, Amira Ben Amara, Vikram Mehraj, Yvon Berland, Philippe Colson, Jean-Louis Mege
BACKGROUND: Hepatitis E virus (HEV) is a new causative agent of chronic hepatitis in solid organ transplant recipients. Clinical studies suggest that the occurrence and persistence of chronic HEV infection are related to the immunological status of patients. METHODS: We used whole-genome microarray and quantitative reverse transcription polymerase chain reaction (qRT-PCR) to compare the transcriptional profiles of whole blood from 8 kidney transplant recipients with chronic HEV infection and 8 matched kidney transplant recipients without HEV infection...
January 1, 2013: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/22992777/detection-of-significant-pathways-in-osteoporosis-based-on-graph-clustering
#14
Haijun Xiao, Liancheng Shan, Haiming Zhu, Feng Xue
Osteoporosis is the most common and serious skeletal disorder among the elderly, characterized by a low bone mineral density (BMD). Low bone mass in the elderly is highly dependent on their peak bone mass (PBM) as young adults. Circulating monocytes serve as early progenitors of osteoclasts and produce significant molecules for bone metabolism. An improved understanding of the biology and genetics of osteoclast differentiation at the pathway level is likely to be beneficial for the development of novel targeted approaches for osteoporosis...
December 2012: Molecular Medicine Reports
https://www.readbyqxmd.com/read/22968947/gene-profiling-of-inflammatory-genes-in-day-18-endometria-from-pregnant-and-non-pregnant-mares
#15
Amanda L Patterson, Edward L Squires, Thomas R Hansen, Gerrit J Bouma, Jason E Bruemmer
Maternal recognition of pregnancy is a physiological process that primarily describes endometrial responses to a conceptus. Recognition of a conceptus prevents the release of prostaglandin F(2α) , thereby ensuring survival of the corpus luteum and continued progesterone production. Exactly how this occurs in the mare is poorly understood. Because prostaglandin F(2α) is a pro-inflammatory hormone, we hypothesized that differential gene expression in the endometrium at the time of maternal recognition reflects an anti-inflammatory event leading to decreased prostaglandin F(2α) secretion...
November 2012: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/22633400/genome-wide-association-study-identifies-candidate-genes-for-male-fertility-traits-in-humans
#16
Gülüm Kosova, Nicole M Scott, Craig Niederberger, Gail S Prins, Carole Ober
Despite the fact that hundreds of genes are known to affect fertility in animal models, relatively little is known about genes that influence natural fertility in humans. To broadly survey genes contributing to variation in male fertility, we conducted a genome-wide association study (GWAS) of two fertility traits (family size and birth rate) in 269 married men who are members of a founder population of European descent that proscribes contraception and has large family sizes. Associations between ∼250,000 autosomal SNPs and the fertility traits were examined...
June 8, 2012: American Journal of Human Genetics
https://www.readbyqxmd.com/read/22540992/the-interferon-type-i-signature-towards-prediction-of-non-response-to-rituximab-in-rheumatoid-arthritis-patients
#17
Hennie G Raterman, Saskia Vosslamber, Sander de Ridder, Michael T Nurmohamed, Willem F Lems, Maarten Boers, Mark van de Wiel, Ben A C Dijkmans, Cornelis L Verweij, Alexandre E Voskuyl
INTRODUCTION: B cell depletion therapy is efficacious in rheumatoid arthritis (RA) patients failing on tumor necrosis factor (TNF) blocking agents. However, approximately 40% to 50% of rituximab (RTX) treated RA patients have a poor response. We investigated whether baseline gene expression levels can discriminate between clinical non-responders and responders to RTX. METHODS: In 14 consecutive RA patients starting on RTX (test cohort), gene expression profiling on whole peripheral blood RNA was performed by Illumina® HumanHT beadchip microarrays...
2012: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/20133812/epithelial-stromal-interaction-1-epsti1-substitutes-for-peritumoral-fibroblasts-in-the-tumor-microenvironment
#18
Michala de Neergaard, Jiyoung Kim, René Villadsen, Agla J Fridriksdottir, Fritz Rank, Vera Timmermans-Wielenga, Anita Langerød, Anne-Lise Børresen-Dale, Ole W Petersen, Lone Rønnov-Jessen
Tumor cells can activate stroma, yet the implication of this activation in terms of reciprocal induction of gene expression in tumor cells is poorly understood. Epithelial Stromal Interaction 1 (EPSTI1) is an interferon response gene originally isolated from heterotypic recombinant cultures of human breast cancer cells and activated breast myofibroblasts. Here we describe the first immunolocalization of EPSTI1 in normal and cancerous breast tissue, and we provide evidence for a role of this molecule in the regulation of tumor cell properties and epithelial-mesenchymal transition...
March 2010: American Journal of Pathology
https://www.readbyqxmd.com/read/18561091/transcriptome-studies-of-bovine-endometrium-reveal-molecular-profiles-characteristic-for-specific-stages-of-estrous-cycle-and-early-pregnancy
#19
REVIEW
S Bauersachs, K Mitko, S E Ulbrich, H Blum, E Wolf
The endometrium undergoes marked functional changes during estrous cycle and pregnancy. As the adjacent environment of the conceptus, it represents the maternal interface for embryo-maternal communication, which is essential to maintain pregnancy. Transcriptome studies provide the unique opportunity to assess molecular profiles changing in response to endocrine or metabolic stimuli or to embryonic pregnancy recognition signals. Here we review the current state of transcriptome profiling techniques and the results of a series of transciptome studies comparing bovine endometrium samples during the estrous cycle or endometrium samples from pregnant vs...
July 2008: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/16769699/isolation-and-expression-profiling-of-genes-upregulated-in-the-peripheral-blood-cells-of-systemic-lupus-erythematosus-patients
#20
Taeko Ishii, Hiroaki Onda, Akie Tanigawa, Shiro Ohshima, Hiroshi Fujiwara, Toru Mima, Yoshinori Katada, Hitoshi Deguchi, Masaki Suemura, Tadao Miyake, Kunio Miyatake, Ichiro Kawase, Hanjun Zhao, Yoshiaki Tomiyama, Yukihiko Saeki, Hiroshi Nojima
We have identified the genes whose expressions are augmented in the blood cells of the patients with systemic lupus erythematosus (SLE) using the 'stepwise subtraction' technique along with microarray analysis. The expression levels of these genes were assessed by quantitative real-time reverse transcription polymerase chain reaction (RT-PCR) in 31 SLE patients and 30 healthy controls. We found that the transcription levels of following eight genes were significantly increased in SLE patients; interferon (IFN)-alpha-inducible protein 27 (IFI27), IFN-alpha-inducible protein IFI-15K (G1P2), IFN stimulated gene 20 kDa (ISG20), epithelial stromal interaction 1 (EPSTI1), defensin-alpha (DEFA3), amphiregulin (AREG) and two genes of unknown function (BLAST accession nos AL050290 and AY358224 = SLED1)...
2005: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
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