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https://www.readbyqxmd.com/read/27910098/gata-3-specific-dnazyme-a-novel-approach-for-stratified-asthma-therapy
#1
REVIEW
Holger Garn, Harald Renz
It is now well established that type-2 immune mechanisms drive the inflammation in about 50% of asthma patients. The major cellular and molecular players regulating this important network have been identified. In terms of therapeutic intervention, cytokine and cytokine-receptor pathways have been given major attention, since these molecules are relatively easily accessible for a blockade through monoclonal antibodies, and a number of positive clinical results support this concept. However, targeting events controlling the type-2 immunity network upstream of selective cytokine pathways would be equally attractive...
December 2, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27909867/developmental-validation-of-the-homygene19-14y-system
#2
Weian Du, Ling Chen, Hong Liu, Pingming Qiu, Fayuan Li, Jing Gao, Yu Zhou, Bangchao Wang, Chao Liu
The HomyGene19+14Y System (HG19+14Y) is a PCR-based amplification kit that enables typing of 18 autosomal short tandem repeat (STR) loci (i.e., CSF1PO, D2S1338, D3S1358, D5S818, D6S1043, D7S820, D8S1179, D12S391, D13S317, D16S539, D18S51, D19S433, D21S11, FGA, Penta E, TPOX, TH01, vWA), 14 widely used Y chromosome STR (Y-STR) loci (Y_GATA_H4, DYS385a/b, DYS389I/II, DYS390, DYS391, DYS392, DYS393, DYS438, DYS439, DYS456, DYS458, DYS635), and amelogenin. This multiplex system was designed for the simultaneous analysis of amelogenin-Y allele mutation, single-source searches, kinship (including familial searching), mixture profiles, international data sharing, and other forensic applications...
December 1, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27908775/regulation-of-general-amino-acid-permeases-gap1p-gata-transcription-factors-gln3p-and-gat1p-on-2-phenylethanol-biosynthesis-via-ehrlich-pathway
#3
Xianrui Chen, Zhaoyue Wang, Xuena Guo, Sha Liu, Xiuping He
In Saccharomyces cerevisiae, when L-phenylalanine (L-Phe) is used as the sole nitrogen source, 2-phenylethanol (PE) is mainly synthesized via the Ehrlich pathway. General amino acid permease Gap1p is response of aromatic amino acids transportation, and GATA transcription factors Gln3p and Gat1p regulate the transcription of permease gene and catabolic enzyme genes for nitrogen sources and aromatic amino acids utilization. In this study, it was demonstrated that over-expressing GLN3 gene from industrial yeast strain MT2 or S...
November 28, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/27901072/characterisation-of-functional-domains-in-fission-yeast-ams2-that-are-required-for-core-histone-gene-transcription
#4
Yuko Takayama, Masaki Shirai, Fumie Masuda
Histone gene expression is regulated in a cell cycle-dependent manner, with a peak at S phase, which is crucial for cell division and genome integrity. However, the detailed mechanisms by which expression of histone genes are tightly regulated remain largely unknown. Fission yeast Ams2, a GATA-type zinc finger motif-containing factor, is required for activation of S phase-specific core histone gene transcription. Here we report the molecular characterisation of Ams2. We show that the zinc finger motif in Ams2 is necessary to bind the histone gene promoter region and to activate histone gene transcription...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895742/comparative-analysis-of-gene-expression-profiles-of-gastric-cardia-adenocarcinoma-and-gastric-non-cardia-adenocarcinoma
#5
Bin Song, Juan Du, Neng Deng, Ji-Chen Ren, Zhen-Bo Shu
In the present study, gene expression profiles were analyzed to identify the molecular mechanisms underlying gastric cardia adenocarcinoma (GCA) and gastric non-cardia adenocarcinoma (GNCA). A gene expression dataset (accession number GSE29272) was downloaded from Gene Expression Omnibus, and consisted of 62 GCA samples and 62 normal controls, as well as 72 GNCA samples and 72 normal controls. The two groups of differentially-expressed genes (DEGs) were compared to obtain common and unique DEGs. A differential analysis was performed using the Linear Models for Microarray Data package in R...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894866/transcriptional-regulation-of-the-sodium-channel-gene-scn5a-by-gata4-in-human-heart
#6
Anna Tarradas, Mel Lina Pinsach-Abuin, Carlos Mackintosh, Oriol Llorà-Batlle, Alexandra Pérez-Serra, Montserrat Batlle, Félix Pérez-Villa, Thomas Zimmer, Ivan Garcia-Bassets, Ramon Brugada, Pedro Beltran-Alvarez, Sara Pagans
Aberrant expression of the sodium channel gene (SCN5A) has been proposed to disrupt cardiac action potential and cause human cardiac arrhythmias, but the mechanisms of SCN5A gene regulation and dysregulation still remain largely unexplored. To gain insight into the transcriptional regulatory networks of SCN5A, we surveyed the promoter and first intronic regions of the SCN5A gene, predicting the presence of several binding sites for GATA transcription factors (TFs). Consistent with this prediction, chromatin immunoprecipitation (ChIP) and sequential ChIP (Re-ChIP) assays show co-occupancy of cardiac GATA TFs GATA4 and GATA5 on promoter and intron 1 SCN5A regions in fresh-frozen human left ventricle samples...
November 25, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27886396/5-ala-mediated-photodynamic-therapy-reduces-the-parasite-load-in-mice-infected-with-leishmania-braziliensis
#7
Danila Malheiros Souza, Polyanna Miranda Alves, Mona Lisa Fabiana Silva, Tony Paiva Paulino, Henrique Ovidio Coraspe, Mônica Miguel Sawan Mendonça, Betânia Maria Ribeiro, Marcos Vinicius da Silva, Virmondes Rodrigues Júnior, Denise Bertulucci Rocha Rodrigues
INTRODUCTION: Photodynamic therapy (PDT) has proven to be an effective alternative for the treatment of cutaneous leishmaniasis. Skin lesions consist of ulcers with well-defined raised edges, and granular floor. Th1 immune response is the protective profile in patients infected with Leishmania. In the present study, the photodynamic therapy with 5-aminolevulinic acid, the parasitic load, and the modulation of the immune response were evaluated in mice infected with Leishmania braziliensis...
November 25, 2016: Parasite Immunology
https://www.readbyqxmd.com/read/27880816/paradoxical-sleep-deprivation-causes-cardiac-dysfunction-and-the-impairment-is-attenuated-by-resistance-training
#8
Sara Quaglia de Campos Giampá, Marcos Mônico-Neto, Marco Tulio de Mello, Helton de Sá Souza, Sergio Tufik, Kil Sun Lee, Marcia Kiyomi Koike, Alexandra Alberta Dos Santos, Ednei Luiz Antonio, Andrey Jorge Serra, Paulo José Ferreira Tucci, Hanna Karen Moreira Antunes
BACKGROUND: Paradoxical sleep deprivation activates the sympathetic nervous system and the hypothalamus-pituitary-adrenal axis, subsequently interfering with the cardiovascular system. The beneficial effects of resistance training are related to hemodynamic, metabolic and hormonal homeostasis. We hypothesized that resistance training can prevent the cardiac remodeling and dysfunction caused by paradoxical sleep deprivation. METHODS: Male Wistar rats were distributed into four groups: control (C), resistance training (RT), paradoxical sleep deprivation for 96 hours (PSD96) and both resistance training and sleep deprivation (RT/PSD96)...
2016: PloS One
https://www.readbyqxmd.com/read/27878730/mesenchymal-epithelial-transition-in-culture-of-stromal-progenitor-cells-isolated-from-the-liver-of-a-patient-with-alcoholic-cirrhosis
#9
I V Kholodenko, R V Kholodenko, G V Manukyan, V V Burunova, K N Yarygin
The cells isolated from biopsy specimen of a patient with alcoholic liver cirrhosis and cultured under standard conditions for obtaining stromal cell culture clearly diverged during early passages into two morphologically and phenotypically different subtypes: epithelial and mesenchymal. Mesenchymal cells expressed CD90 and CD44 and epithelial cells expressed CD166, CD227, and hepatocyte growth factor receptor Met. Starting from passage 6, the culture underwent spontaneous morphological changes and by passages 8-10 contained only epithelium-like cells...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27875671/immune-mediated-brain-pathology-from-autoantibodies-to-microglia
#10
Jacquelyn Nestor, Adriana Gata-Garcia, Yoshiyuki Arinuma, Yuichiro Fujieda, Czeslawa Kowal, Betty Diamond
Cells and molecules of the immune system contribute to brain pathology as well as to brain homeostasis. We suggest that there are numerous anti-brain antibodies that can cause acute neuronal dysfunction if they penetrate brain parenchyma. Many of these acute immune-mediated insults may alter the homeostatic mechanisms in the brain and initiate pathologic events that no longer depend on the presence of the inciting antibody, but rather on microglial cell activation. This paradigm, if correct, suggests that there may be two potential moments of therapeutic intervention...
October 2016: Discovery Medicine
https://www.readbyqxmd.com/read/27872477/the-role-of-gata2-in-lethal-prostate-cancer-aggressiveness
#11
REVIEW
Veronica Rodriguez-Bravo, Marc Carceles-Cordon, Yujin Hoshida, Carlos Cordon-Cardo, Matthew D Galsky, Josep Domingo-Domenech
Advanced prostate cancer is a classic example of the intractability and consequent lethality that characterizes metastatic carcinomas. Novel treatments have improved the survival of men with prostate cancer; however, advanced prostate cancer invariably becomes resistant to these therapies and ultimately progresses to a lethal metastatic stage. Consequently, detailed knowledge of the molecular mechanisms that control prostate cancer cell survival and progression towards this lethal stage of disease will benefit the development of new therapeutics...
November 22, 2016: Nature Reviews. Urology
https://www.readbyqxmd.com/read/27867016/vasohibin-2-promotes-epithelial-mesenchymal-transition-in-human-breast-cancer-via-activation-of-transforming-growth-factor-%C3%AE-1-and-hypoxia-dependent-repression-of-gata-binding-factor-3
#12
Min Tu, Zhanjun Li, Xian Liu, Nan Lv, Chunhua Xi, Zipeng Lu, Jishu Wei, Guoxin Song, Jianmin Chen, Feng Guo, Kuirong Jiang, Shui Wang, Wentao Gao, Yi Miao
Vasohibin 2 (VASH2) is identified as an angiogenic factor, and has been implicated in tumor angiogenesis, proliferation and epithelial-mesenchymal transition (EMT). To investigate the EMT role of VASH2 in breast cancer, we overexpressed or knocked down expression of VASH2 in human breast cancer cell lines. We observed that VASH2 induced EMT in vitro and in vivo. The transforming growth factor β1 (TGFβ1) pathway was activated by VASH2, and expression of a dominant negative TGFβ type II receptor could block VASH2-mediated EMT...
November 17, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27866327/mesenchymal-stem-cells-attenuate-the-adverse-effects-of-immunosuppressive-drugs-on-distinct-t-cell-subopulations
#13
Michaela Hajkova, Barbora Hermankova, Eliska Javorkova, Pavla Bohacova, Alena Zajicova, Vladimir Holan, Magdalena Krulova
Immunosuppressive drugs are widely used to treat undesirable immune reaction, however their clinical use is often limited by harmful side effects. The combined application of immunosuppressive agents with mesenchymal stem cells (MSCs) offers a promising alternative approach that enables the reduction of immunosuppressive agent doses and simultaneously maintains or improves the outcome of therapy. The present study aimed to determinate the effects of immunosuppressants on individual T cell subpopulations and to investigate the efficacy of MSC-based treatment combined with immunosuppressive drugs...
November 19, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27866047/erratum-to-gata-4-regulation-of-myocardial-survival-in-the-preconditioned-heart-j-mol-cell-cardiol-37-6-2004-dec-1195-1203
#14
Yuichiro J Suzuki, Hiroko Nagase, Regina M Day, Dipak K Das
No abstract text is available yet for this article.
November 17, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27864553/correction-transcription-factors-directing-th2-differentiation-gata-3-plays-a-dominant-role
#15
Anne O'Garra, Leona Gabryšová
No abstract text is available yet for this article.
December 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27858144/th9-and-other-il-9-producing-cells-in-allergic-asthma
#16
REVIEW
Sonja Koch, Nina Sopel, Susetta Finotto
Allergic asthma is a worldwide increasing chronic disease of the airways which affects more than 300 million people. It is associated with increased IgE, mast cell activation, airway hyperresponsiveness (AHR), mucus overproduction and remodeling of the airways. Previously, this pathological trait has been associated with T helper type 2 (Th2) cells. Recently, different CD4(+) T cell subsets (Th17, Th9) as well as cells of innate immunity, like mast cells and innate lymphoid cells type 2 (ILC2s), which are all capable of producing the rediscovered cytokine IL-9, are known to contribute to this disease...
November 17, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27849608/transposon-mutagenesis-identifies-genes-that-cooperate-with-mutant-pten-in-breast-cancer-progression
#17
Roberto Rangel, Song-Choon Lee, Kenneth Hon-Kim Ban, Liliana Guzman-Rojas, Michael B Mann, Justin Y Newberg, Takahiro Kodama, Leslie A McNoe, Luxmanan Selvanesan, Jerrold M Ward, Alistair G Rust, Kuan-Yew Chin, Michael A Black, Nancy A Jenkins, Neal G Copeland
Triple-negative breast cancer (TNBC) has the worst prognosis of any breast cancer subtype. To better understand the genetic forces driving TNBC, we performed a transposon mutagenesis screen in a phosphatase and tensin homolog (Pten) mutant mice and identified 12 candidate trunk drivers and a much larger number of progression genes. Validation studies identified eight TNBC tumor suppressor genes, including the GATA-like transcriptional repressor TRPS1 Down-regulation of TRPS1 in TNBC cells promoted epithelial-to-mesenchymal transition (EMT) by deregulating multiple EMT pathway genes, in addition to increasing the expression of SERPINE1 and SERPINB2 and the subsequent migration, invasion, and metastasis of tumor cells...
November 14, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27833268/interaction-between-anxa1-and-gata-3-in-immunosuppression-of-cd4-t-cells
#18
Peng Huang, Yuxiang Zhou, Zan Liu, Pihong Zhang
Decreased Th1/Th2 ratio is one of the major characteristics of immunosuppression in sepsis. Both membrane adhesive protein Annexin-A1 (ANXA1) and transcription factor GATA-3 have been reported to play important roles in T cell differentiation. However, the relationship between ANXA1 and GATA-3 in Th1/Th2 shift is unknown. Our study investigated the interaction effects of ANXA1 and GATA-3 to influence T cell differentiation in CD4(+) T cells. We found that GATA-3 and ANXA1 were coexpressed on Th0/Th1/Th2 cytoplasm and nuclear...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27828856/analysis-of-histological-and-immunological-parameters-of-metastatic-lymph-nodes-from-colon-cancer-patients-reveals-that-t-helper-1-type-immune-response-is-associated-with-improved-overall-survival
#19
Eran Nizri, Nofar Greenman-Maaravi, Shoshi Bar-David, Amir Ben-Yehuda, Gilad Weiner, Guy Lahat, Joseph Klausner
Lymph node (LN) involvement in colonic carcinoma (CC) is a grave prognostic sign and mandates the addition of adjuvant treatment. However, in light of the histological variability and outcomes observed, we hypothesized that patients with LN metastases (LNM) comprise different subgroups.We retrospectively analyzed the histological sections of 82 patients with CC and LNM. We studied various histological parameters (such as tumor grade, desmoplasia, and preservation of LN architecture) as well as the prevalence of specific peritumoral immune cells (CD8, CD20, T-bet, and GATA-3)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27825105/mir-184-exhibits-angiostatic-properties-via-regulation-of-akt-and-vegf-signaling-pathways
#20
Jong Kook Park, Han Peng, Wending Yang, Julia Katsnelson, Olga Volpert, Robert M Lavker
Corneal avascularity is critical for achieving transparency necessary for proper transmission of light to the lens and visual acuity. Although much is known about angiogenesis and angiostasis, the precise regulation of these processes in the cornea is unclear. MicroRNA (miR)-184, the most abundant corneal epithelial miRNA, has been suggested to function in corneal angiostasis by altering VEGF signaling; however, the mechanism(s) underlying this regulation have not been addressed. Using a combination of in vitro and in vivo assays to evaluate angiogenesis, we demonstrated that human limbal epithelial keratinocytes (HLEKs) engineered to overexpress miR-184 secreted lower amounts of angiogenic mitogens...
October 7, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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