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NDRG1

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https://www.readbyqxmd.com/read/28453552/specific-blockade-of-rictor-mtor-association-inhibits-mtorc2-activity-and-is-cytotoxic-in-glioblastoma
#1
Angelica Benavides-Serrato, Jihye Lee, Brent Holmes, Kenna A Landon, Tariq Bashir, Michael E Jung, Alan Lichtenstein, Joseph Gera
A small molecule which specifically blocks the interaction of Rictor and mTOR was identified utilizing a high-throughput yeast two-hybrid screen and evaluated as a potential inhibitor of mTORC2 activity in glioblastoma multiforme (GBM). In vitro, CID613034 inhibited mTORC2 kinase activity at submicromolar concentrations and in cellular assays specifically inhibited phosphorylation of mTORC2 substrates, including AKT (Ser-473), NDRG1 (Thr-346) and PKCα (Ser-657), while having no appreciable effects on the phosphorylation status of the mTORC1 substrate S6K (Thr-389) or mTORC1-dependent negative feedback loops...
2017: PloS One
https://www.readbyqxmd.com/read/28416760/the-histone-demethylase-kdm3a-regulates-the-transcriptional-program-of-the-androgen-receptor-in-prostate-cancer-cells
#2
Stephen Wilson, Lingling Fan, Natasha Sahgal, Jianfei Qi, Fabian V Filipp
The lysine demethylase 3A (KDM3A, JMJD1A or JHDM2A) controls transcriptional networks in a variety of biological processes such as spermatogenesis, metabolism, stem cell activity, and tumor progression. We matched transcriptomic and ChIP-Seq profiles to decipher a genome-wide regulatory network of epigenetic control by KDM3A in prostate cancer cells. ChIP-Seq experiments monitoring histone 3 lysine 9 (H3K9) methylation marks show global histone demethylation effects of KDM3A. Combined assessment of histone demethylation events and gene expression changes presented major transcriptional activation suggesting that distinct oncogenic regulators may synergize with the epigenetic patterns by KDM3A...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28376589/-expression-characteristics-of-pten-and-ndrg1-in-colorectal-carcinoma-and-their-prognostic-value
#3
G X Zhang, Z Y Qian, L J Yang, F Wang, H Shen
Objective: To study the expression status and clinical significance of PTEN and NDRG1 in colorectal carcinoma. Methods: Tissue samples of 91 colorectal cancers, 30 colorectal adenomas and 21 colorectal normal mucosa tissues were collected. Postoperative specimens were examined by immunohistochemistry for PTEN and NDRG1 expression. The expression of PTEN and NDRG1 was correlated with clinicopathological feature. Results: The expression of PTEN and NDRG1 in the studied cases was detected in 55.0%(50/91) and 76...
April 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28371345/the-prostate-metastasis-suppressor-gene-ndrg1-differentially-regulates-cell-motility-and-invasion
#4
Anup Sharma, Janet Mendonca, James Ying, Hea-Soo Kim, James E Verdone, Jelani C Zarif, Michael Carducci, Hans Hammers, Kenneth J Pienta, Sushant Kachhap
Experimental and clinical evidence suggests that N-myc downregulated gene 1 (NDRG1) functions as a suppressor of prostate cancer metastasis. Elucidating pathways that drive survival and invasiveness of NDRG1-deficient prostate cancer cells can help in designing therapeutics to target metastatic prostate cancer cells. However, the molecular mechanism(s) that lead NDRG1-deficient prostate cancer cells to increased invasiveness remains largely unknown. In this study, we demonstrate that NDRG1-deficient prostate tumors have decreased integrin expression and reduced cell adhesion and motility...
April 2, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28350132/a-new-facet-of-ndrg1-in-pancreatic-ductal-adenocarcinoma-suppression-of-glycolytic-metabolism
#5
Wensheng Liu, Bo Zhang, Qiangsheng Hu, Yi Qin, Wenyan Xu, Si Shi, Chen Liang, Qingcai Meng, Jinfeng Xiang, Dingkong Liang, Shunrong Ji, Jiang Liu, Pengfei Hu, Liang Liu, Chen Liu, Jiang Long, Quanxing Ni, Xianjun Yu, Jin Xu
N-myc downstream-regulated gene 1 (NDRG1) is known as tumor/metastasis suppressor in a variety of cancers including pancreas, being involved in angiogenesis, cancer growth and metastasis. However, the precise molecular mechanism how NDRG1 exerts its inhibitory function in pancreatic cancer remains unclear. In this investigation, we demonstrated that K-Ras plays a vital role in modulating NDRG1 protein level in PDAC cancer cells in vitro, which is mediated through ERK signaling. Noteworthy, K-Ras downstream Akt/mTOR signaling is inhibited upon NDRG1 overexpression, resulting in decease of HIF1α level...
March 28, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28346422/the-metastatic-suppressor-ndrg1-inhibits-emt-migration-and-invasion-through-interaction-and-promotion-of-caveolin-1-ubiquitylation-in-human-colorectal-cancer-cells
#6
L Mi, F Zhu, X Yang, J Lu, Y Zheng, Q Zhao, X Wen, A Lu, M Wang, M Zheng, J Ji, J Sun
N-myc downstream-regulated gene 1 (NDRG1) has been reported to act as a key regulatory molecule in tumor progression-related signaling pathways, especially in tumor metastasis. However, the related mechanism has not been fully discovered yet. Herein we demonstrated that the novel molecule of cell migration and invasion, caveolin-1, has direct interaction with NDRG1 in human colorectal cancer (CRC) cells. Moreover, we discovered that NDRG1 reduces caveolin-1 protein expression through promoting its ubiquitylation and subsequent degradation via the proteasome in CRC cells...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28325852/extended-multiplexing-of-tmt-labeling-reveals-age-and-high-fat-diet-specific-proteome-changes-in-mouse-epididymal-adipose-tissue
#7
Deanna L Plubell, Phillip A Wilmarth, Yuqi Zhao, Alexandra M Fenton, Jessica Minnier, Ashok P Reddy, John Klimek, Xia Yang, Larry L David, Nathalie Pamir
The lack of high-throughput methods to analyze the adipose tissue protein composition limits our understanding of the protein networks responsible for age and diet related metabolic response. We have developed an approach using multiple-dimension liquid chromatography tandem mass spectrometry and extended multiplexing (24 biological samples) with TMT labeling to analyze proteomes of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short or a long-term, and from mice that aged on low vs...
March 21, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28292472/increased-ndrg1-expression-attenuate-trophoblast-invasion-through-erk-mmp-9-pathway-in-preeclampsia
#8
Yufen Fu, Jufeng Wei, Xueli Dai, Yuanhua Ye
OBJECTIVE: The aim of this study was to investigate the expression of N-myc downstream-regulated gene1(NDRG1)in the placentas of pregnancies complicated with early-onset and late-onset preeclampsia (PE) and its underlying mechanism on the pathophysiology of PE. METHODS: The expressions of NDRG-1 in placentas of pregnancies complicated with early-onset PE and late-onset PE were detected using immunohistochemistry, western blot assays and fluorescence quantitative PCR...
March 2017: Placenta
https://www.readbyqxmd.com/read/28275050/novel-thiosemicarbazones-inhibit-lysine-rich-ceacam1-co-isolated-lyric-and-the-lyric-induced-epithelial-mesenchymal-transition-via-up-regulation-of-n-myc-downstream-regulated-gene-1-ndrg1
#9
Ruxing Xi, Ivan Ho Yuen Pun, Sharleen V Menezes, Leyla Fouani, Danuta S Kalinowski, Michael L H Huang, Xiaozhi Zhang, Des R Richardson, Zaklina Kovacevic
Tumor necrosis factor α (TNFα) plays a vital role in cancer progression, being associated with inflammation and promotion of cancer angiogenesis and metastasis. The effects of TNFα are mediated by its down-stream target, the oncogene, lysine-rich CEACAM1 co-isolated protein (LYRIC; also known as metadherin or astrocyte elevated gene-1). LYRIC plays an important role in activating the nuclear factor-κB (NF-κB) signaling pathway, which controls multiple cellular processes, including proliferation, apoptosis, migration, etc...
March 8, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28222113/differentially-expressed-proteins-underlying-childhood-cortical-dysplasia-with-epilepsy-identified-by-itraq-proteomic-profiling
#10
Lu Qin, Xi Liu, Shiyong Liu, Yi Liu, Yixuan Yang, Hui Yang, Yangmei Chen, Lifen Chen
Cortical dysplasia accounts for at least 14% of epilepsy cases, and is mostly seen in children. However, the understanding of molecular mechanisms and pathogenesis underlying cortical dysplasia is limited. The aim of this cross-sectional study is to identify potential key molecules in the mechanisms of cortical dysplasia by screening the proteins expressed in brain tissues of childhood cortical dysplasia patients with epilepsy using isobaric tags for relative and absolute quantitation-based tandem mass spectrometry compared to controls, and several differentially expressed proteins that are not reported to be associated with cortical dysplasia previously were selected for validation using real-time polymerase chain reaction, immunoblotting and immunohistochemistry...
2017: PloS One
https://www.readbyqxmd.com/read/28191699/ndrg1-is-important-to-maintain-the-integrity-of-airway-epithelial-barrier-through-claudin-9-expression
#11
Yasuhiro Gon, Shuichiro Maruoka, Hiroyuki Kishi, Yutaka Kozu, Kuroda Kazumichi, Yasuyuki Nomura, Ikuko Takeshita, Takeshi Oshima, Shu Hashimoto
Impairment of epithelial barrier integrity caused by environmental triggers is associated with the pathogenesis of airway inflammation. Using human airway epithelial cells, we attempted to identify molecule(s) that promote airway epithelial barrier integrity. Microarray analyses were conducted using the Affimetrix human whole genome gene chip, and we identified the N-myc downstream-regulated gene 1 (NDRG1) gene, which was induced during the development of the epithelial cell barrier. Immunohistochemical analysis revealed strong NDRG1 expression in ciliated epithelial cells in nasal tissues sampled from patients with chronic rhinosinusitis (CRS), and the low expression of NDRG1 was observed in goblet cells or damaged epithelial cells...
February 13, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28181403/caffeic-acid-phenethyl-ester-upregulates-n-myc-downstream-regulated-gene-1-via-erk-pathway-to-inhibit-human-oral-cancer-cell-growth-in-vitro-and-in-vivo
#12
Li-Chuan Chung, Kun-Chun Chiang, Tsui-Hsia Feng, Kang-Shuo Chang, Sung-Ting Chuang, Yu-Jen Chen, Ke-Hung Tsui, Jehn-Chuan Lee, Horng-Heng Juang
SCOPE: Caffeic acid phenethyl ester (CAPE), a bioactive component of propolis, is considered as a new anti-cancer agent. Oral squamous cell carcinoma (OSCC) is the most common oral cancer with unsatisfying survival. N-myc downstream regulated family genes (NDRGs) involve in numerous physiological processes. We investigated the anti-cancer effect of CAPE on OSCC and related mechanisms. METHODS AND RESULTS: Cell proliferation assay, western blot, gene transfection and knockdown, and reporter assay were applied...
February 9, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28075464/downregulation-of-the-n-myc-downstream-regulated-gene-1-is-related-to-enhanced-proliferation-invasion-and-migration-of-pancreatic-cancer
#13
Gang Cen, Kundong Zhang, Jun Cao, Zhengjun Qiu
The N-myc downstream regulated gene 1 (NDRG1) is differently expressed in human malignancies according to the tumor type. We investigated the expression of NDRG1 in pancreatic cancer tissues and cell lines as well as how it affects tumor growth, invasion and migration in pancreatic cancer cells. Experimental groups included NDRG1 overexpression and knockdown pancreatic cancer cell lines. Lentivirus-based empty vector transfected cells (NC group) were considered control groups. Proliferation, invasion and migration related proteins such as STAT3, MMPs, PTEN, PI3K/AKT were assessed by CCK-8, Transwell assay and western blotting...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28058793/effects-of-selection-for-ethanol-preference-on-gene-expression-in-the-nucleus-accumbens-of-hs-cc-mice
#14
A M Colville, O D Iancu, D L Oberbeck, P Darakjian, C L Zheng, N A R Walter, C A Harrington, R P Searles, S McWeeney, R J Hitzemann
Previous studies on changes in murine brain gene expression associated with the selection for ethanol preference have used F2 intercross or heterogeneous stock (HS) founders, derived from standard laboratory strains. However, these populations represent only a small proportion of the genetic variance available in Mus musculus. To investigate a wider range of genetic diversity, we selected mice for ethanol preference using an HS derived from the eight strains of the collaborative cross. These HS mice were selectively bred (four generations) for high and low ethanol preference...
April 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28004151/reciprocal-regulation-of-mtor-complexes-in-pancreatic-islets-from-humans-with-type-2-diabetes
#15
Ting Yuan, Sahar Rafizadeh, Kanaka Durga Devi Gorrepati, Blaz Lupse, Jose Oberholzer, Kathrin Maedler, Amin Ardestani
AIMS/HYPOTHESIS: Mechanistic target of rapamycin complex 1 (mTORC1) is a master regulator of nutritional status at the cellular and organismic level. While mTORC1 mediates beta cell growth and expansion, its hyperactivation has been observed in pancreatic islets from animal models of type 2 diabetes and leads to beta cell loss. We sought to determine whether such mTORC1 activation occurs in humans with type 2 diabetes or in metabolically stressed human islets and whether mTORC1 blockade can restore beta cell function of diabetic islets...
December 21, 2016: Diabetologia
https://www.readbyqxmd.com/read/27982524/a-novel-ndrg1-mutation-in-a-non-romani-patient-with-cmt4d-hmsn-lom
#16
Giuseppe Piscosquito, Stefania Magri, Paola Saveri, Micaela Milani, Claudia Ciano, Laura Farina, Franco Taroni, Davide Pareyson
Charcot-Marie-Tooth disease type 4D (CMT4D), also known as hereditary motor and sensory neuropathy Lom type (HMSNL), is an autosomal recessive, early onset, severe demyelinating neuropathy with hearing loss, caused by N-Myc downstream-regulated gene 1 (NDRG1) mutations. CMT4D is rare with only three known mutations, one of which (p.Arg148Ter) is found in patients of Romani ancestry and accounts for the vast majority of cases. We report a 38-year-old Italian female with motor development delay, progressive neuropathy, and sensorineural deafness...
March 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/27955744/glycoproteomics-analysis-of-plasma-proteins-associated-with-opisthorchis-viverrini-infection-induced-cholangiocarcinoma-in-hamster-model
#17
Pramote Sriwanitchrak, Atchara Paemanee, Sittiruk Roytrakul, Vithoon Viyanant, Kesara Na-Bangchang
OBJECTIVE: To apply lectin affinity chromatography and glycoproteomics-based LC-MS/MS to preliminarily investigate the possible potential plasma biomarkers of Opisthorchis viverrini (OV)-associated CCA in OV/dimethylnitrosamine (DMN)-induced CCA hamster model. METHODS: Nine Syrian hamsters were divided into 3 groups as follows (n = 3 each): normal (healthy control group); OV group; and OV/DMN group (CCA group). Pooled plasma samples collected from animals in each group at the 6th month post-infection with OV metacercarae were subjected to glycoproteomics analysis...
December 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27894074/lsd1-mediates-mycn-control-of-epithelial-mesenchymal-transition-through-silencing-of-metastatic-suppressor-ndrg1-gene
#18
Susanna Ambrosio, Stefano Amente, Carmen D Saccà, Mario Capasso, Raffaele A Calogero, Luigi Lania, Barbara Majello
Neuroblastoma (NB) with MYCN amplification is a highly aggressive and metastatic tumor in children. The high recurrence rate and resistance of NB cells to drugs urgently demands a better therapy for this disease. We have recently found that MYCN interacts with the lysine-specific demethylase 1 (LSD1), a histone modifier that participates in key aspects of gene transcription. In cancer cells, LSD1 contributes to the genetic reprogramming that underlies to Epithelial-Mesenchymal Transition (EMT) and tumor metastasis...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/27831650/critical-genes-of-hepatocellular-carcinoma-revealed-by-network-and-module-analysis-of-rna-seq-data
#19
M-R Yang, Y Zhang, X-X Wu, W Chen
OBJECTIVE: RNA-seq data of hepatocellular carcinoma (HCC) was analyzed to identify critical genes related to the pathogenesis and prognosis. MATERIALS AND METHODS: Three RNA-seq datasets of HCC (GSE69164, GSE63863 and GSE55758) were downloaded from Gene Expression Omnibus (GEO), while another dataset including 54 HCC cases with survival time was obtained from The Cancer Genome Atlas (TCGA). Differentially expressed genes (DEGs) were identified by significant analysis of microarrays (SAM) method using package samr of R...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27830690/-detection-of-novel-genetic-markers-of-susceptibility-to-preeclampsia-based-on-an-analysis-of-the-regulatory-genes-in-the-placental-tissue
#20
V N Serebrova, E A Trifonova, T V Gabidulina, I Yu Bukharina, T A Agarkova, I D Evtushenko, N R Maksimova, V A Stepanov
Regulatory single nucleotide polymorphisms (rSNPs) are the least-studied group of SNP; however, they play an essential role in the development of human pathology by altering the level of candidate genes expression. In this work, we analyzed 29 rSNPs in 17 new candidate genes associated with preeclampsia (PE) according to the analysis of the transcriptome in placental tissue. Three ethnic groups have been studied (yakut, russian, and buryat). We have detected significant associations of PE with eight rSNPs in six differentially expressed genes, i...
September 2016: Molekuliarnaia Biologiia
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