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Pou2f1

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https://www.readbyqxmd.com/read/28861323/pou2f1-promotes-growth-and-metastasis-of-hepatocellular-carcinoma-through-the-fat1-signaling-pathway
#1
Hong Yan Zhu, Guan Yi Cao, Shi Ping Wang, Yu Chen, Guo Dong Liu, Yu Jie Gao, Jian Ping Hu
Increasing evidence suggests that POU domain class 2 transcription factor 1 (POU2F1) participates in carcinogenesis and cancer progression via promotion of cell proliferation and metastasis; however, the functional role of POU2F1 in hepatocellular carcinoma (HCC) is largely unknown. In this study, we determined that POU2F1 was significantly up-regulated in HCC tumor tissue and cell lines. We demonstrated that POU2F1 over-expression promoted HCC cell proliferation, colony formation, migration, and invasion, while silencing of POU2F1 inhibited these malignant phenotypes...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28771594/patients-experiencing-statin-induced-myalgia-exhibit-a-unique-program-of-skeletal-muscle-gene-expression-following-statin-re-challenge
#2
Marshall B Elam, Gipsy Majumdar, Khyobeni Mozhui, Ivan C Gerling, Santiago R Vera, Hannah Fish-Trotter, Robert W Williams, Richard D Childress, Rajendra Raghow
Statins, the 3-hydroxy-3-methyl-glutaryl (HMG)-CoA reductase inhibitors, are widely prescribed for treatment of hypercholesterolemia. Although statins are generally well tolerated, up to ten percent of statin-treated patients experience myalgia symptoms, defined as muscle pain without elevated creatinine phosphokinase (CPK) levels. Myalgia is the most frequent reason for discontinuation of statin therapy. The mechanisms underlying statin myalgia are not clearly understood. To elucidate changes in gene expression associated with statin myalgia, we compared profiles of gene expression in skeletal muscle biopsies from patients with statin myalgia who were undergoing statin re-challenge (cases) versus those of statin-tolerant controls...
2017: PloS One
https://www.readbyqxmd.com/read/28489585/pou2f1-over-expression-correlates-with-poor-prognoses-and-promotes-cell-growth-and-epithelial-to-mesenchymal-transition-in-hepatocellular-carcinoma
#3
Yonghao Zhong, Hongyang Huang, Min Chen, Jinzhou Huang, Qingxia Wu, Guang-Rong Yan, De Chen
Despite recent efforts to understand activities of POU domain class 2 transcription factor 1 (POU2F1), little is known about the roles of POU2F1 in hepatocellular carcinoma (HCC) tumorigenesis and its correlation with any clinicopathological feature of HCC. In this study, we found that POU2F1 was significantly up-regulated in HCC specimens compared with adjacent non-cancerous liver specimens. The high POU2F1 protein expression level positively correlated with large tumor size, high histological grade, tumor metastasis and advanced clinical stage, and HCC patients with high POU2F1 levels exhibited poor prognoses...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444588/unveiling-differentially-expressed-genes-upon-regulation-of-transcription-factors-in-sepsis
#4
Junli Zhang, Yuelei Cheng, Minmin Duan, Nannan Qi, Jian Liu
In this study, we integrated the gene expression data of sepsis to reveal more precise genome-wide expression signature to shed light on the pathological mechanism of sepsis. Differentially expressed genes via integrating five microarray datasets from the Gene Expression Omnibus database were obtained. The gene function and involved pathways of differentially expressed genes (DEGs) were detected by GeneCodis3. Transcription factors (TFs) targeting top 20 dysregulated DEGs (including up- and downregulated genes) were found based on the TRANSFAC...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28303973/e6-e7-p53-pou2f1-cthrc1-axis-promotes-cervical-cancer-metastasis-and-activates-wnt-pcp-pathway
#5
Rong Zhang, Huan Lu, Yuan-Yuan Lyu, Xiao-Mei Yang, Lin-Yan Zhu, Guang-Dong Yang, Peng-Cheng Jiang, Yuan Re, Wei-Wei Song, Jin-Hao Wang, Can-Can Zhang, Fei Gu, Tian-Jiao Luo, Zhi-Yong Wu, Cong-Jian Xu
Cervical cancer is an infectious cancer and the most common gynecologic cancer worldwide. E6/E7, the early genes of the high-risk mucosal human papillomavirus type, play key roles in the carcinogenic process of cervical cancer. However, little was known about its roles in modulating tumor microenvironment, particular extracellular matrix (ECM). In this study, we found that E6/E7 could regulate multiple ECM proteins, especially collagen triple helix repeat containing 1 (CTHRC1). CTHRC1 is highly expressed in cervical cancer tissue and serum and closely correlated with clinicopathological parameters...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298358/identification-of-%C3%AE-catenin-interacting-proteins-in-nuclear-fractions-of-native-rat-collecting-duct-cells
#6
Jacqueline R Hwang, Chung-Lin Chou, Barbara Medvar, Mark A Knepper, Hyun Jun Jung
The gene encoding the aquaporin-2 water channel is regulated transcriptionally in response to vasopressin. In the renal collecting duct, vasopressin stimulates the nuclear translocation and phosphorylation (at Ser(552)) of β-catenin, a multifunctional protein that acts as a transcriptional coregulator in the nucleus. The purpose of this study was to identify β-catenin-interacting proteins that might be involved in transcriptional regulation in rat inner medullary collecting duct (IMCD) cells, using experimental and computational approaches...
July 1, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28278364/methyl-cpg-level-at-distal-part-of-heat-shock-protein-promoter-hsp70-exhibits-epigenetic-memory-for-heat-stress-by-modulating-recruitment-of-pou2f1-associated-nucleosome-remodeling-deacetylase-nurd-complex
#7
Tatiana Kisliouk, Tomer Cramer, Noam Meiri
Depending on its stringency, exposure to heat in early life leads to either resilience or vulnerability to heat stress later in life. We hypothesized that epigenetic alterations in genes belonging to the cell proteostasis pathways are attributed to long-term responses to heat stress. Epigenetic regulation of the mRNA expression of the molecular chaperone heat-shock protein (HSP) 70 (HSPA2) was evaluated in the chick hypothalamus during the critical period of thermal-control establishment on day 3 post-hatch and during heat challenge on day 10...
May 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27819678/tet2-binds-the-androgen-receptor-and-loss-is-associated-with-prostate-cancer
#8
M L Nickerson, S Das, K M Im, S Turan, S I Berndt, H Li, H Lou, S A Brodie, J N Billaud, T Zhang, A J Bouk, D Butcher, Z Wang, L Sun, K Misner, W Tan, A Esnakula, D Esposito, W Y Huang, R N Hoover, M A Tucker, J R Keller, J Boland, K Brown, S K Anderson, L E Moore, W B Isaacs, S J Chanock, M Yeager, M Dean, T Andresson
Genetic alterations associated with prostate cancer (PCa) may be identified by sequencing metastatic tumour genomes to identify molecular markers at this lethal stage of disease. Previously, we characterized somatic alterations in metastatic tumours in the methylcytosine dioxygenase ten-eleven translocation 2 (TET2), which is altered in 5-15% of myeloid, kidney, colon and PCas. Genome-wide association studies previously identified non-coding risk variants associated with PCa and melanoma. We perform fine-mapping of PCa risk across TET2 using genotypes from the PEGASUS case-control cohort and identify six new risk variants in introns 1 and 2...
April 2017: Oncogene
https://www.readbyqxmd.com/read/27658774/long-non-coding-rna-tug1-contributes-to-tumorigenesis-of-human-osteosarcoma-by-sponging-mir-9-5p-and-regulating-pou2f1-expression
#9
Chu-Hai Xie, Yan-Ming Cao, Yan Huang, Qun-Wei Shi, Jian-Hong Guo, Zi-Wen Fan, Ju-Gen Li, Bin-Wei Chen, Bo-Yi Wu
Recent studies have shown that long non-coding RNAs (lncRNAs) have critical roles in tumorigenesis, including osteosarcoma. The lncRNA taurine-upregulated gene 1 (TUG1) was reported to be involved in the progression of osteosarcoma. Here, we investigated the role of TUG1 in osteosarcoma cells and the underlying mechanism. TUG1 expression was measured in osteosarcoma cell lines and human normal osteoblast cells by quantitative real-time PCR (qRT-PCR). The effects of TUG1 on osteosarcoma cells were studied by RNA interference in vitro and in vivo...
November 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27521061/expression-patterns-of-homeobox-genes-in-the-mouse-vomeronasal-organ-at-postnatal-stages
#10
Isabelle Chang, Marta Parrilla
Homeodomain proteins are encoded by homeobox genes and regulate development and differentiation in many neuronal systems. The mouse vomeronasal organ (VNO) generates in situ mature chemosensory neurons from stem cells. The roles of homeodomain proteins in neuronal differentiation in the VNO are poorly understood. Here we have characterized the expression patterns of 28 homeobox genes in the VNO of C57BL/6 mice at postnatal stages using multicolor fluorescent in situ hybridization. We identified 11 homeobox genes (Dlx3, Dlx4, Emx2, Lhx2, Meis1, Pbx3, Pknox2, Pou6f1, Tshz2, Zhx1, Zhx3) that were expressed exclusively in neurons; 4 homeobox genes (Pax6, Six1, Tgif1, Zfhx3) that were expressed in all non-neuronal cell populations, with Pax6, Six1 and Tgif1 also expressed in some neuronal progenitors and precursors; 12 homeobox genes (Adnp, Cux1, Dlx5, Dlx6, Meis2, Pbx2, Pknox1, Pou2f1, Satb1, Tshz1, Tshz3, Zhx2) with expression in both neuronal and non-neuronal cell populations; and one homeobox gene (Hopx) that was exclusively expressed in the non-sensory epithelium...
July 2016: Gene Expression Patterns: GEP
https://www.readbyqxmd.com/read/27193714/transcription-factor-oct-1-stimulates-the-release-of-mts1-s100a4-protein-by-the-cancer-cells
#11
T N Portseva, A V Brechalov, E A Dukhanina, A G Stepchenko, E V Pankratova, S G Georgieva
The effect of the transcription factor Oct-1 (POU2F1) on the expression of the tumor cell marker metastasin (Mts1/S100A4) was studied. Comparative analysis of various tumor lines showed no clear correlation between the expression level of Mts1/S100A4 and the content of Oct-1. However, at stable transfection of tumor cells with Oct-1A, Oct-1L, and Oct-1X isoforms we detected an elevated level of Oct-1, which stimulated Mts1/S100A4 secretion. These findings extend our understanding of the molecular mechanisms of the tumorigenic effect of Oct-1...
March 2016: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/27126747/role-of-oct-1-and-partner-proteins-in-t-cell-differentiation
#12
REVIEW
Soo Seok Hwang, Lark Kyun Kim, Gap Ryol Lee, Richard A Flavell
The understanding of CD4 T cell differentiation gives important insights into the control of immune responses against various pathogens and in autoimmune diseases. Naïve CD4 T cells become effector T cells in response to antigen stimulation in combination with various environmental cytokine stimuli. Several transcription factors and cis-regulatory regions have been identified to regulate epigenetic processes on chromatin, to allow the production of proper effector cytokines during CD4 T cell differentiation...
June 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/26996995/the-transcription-factor-pf-pou3f4-regulates-expression-of-the-matrix-protein-genes-aspein-and-prismalin-14-in-pearl-oyster-pinctada-fucata
#13
Jing Gao, Yan Chen, Yi Yang, Jian Liang, Jun Xie, Jun Liu, Shiguo Li, Guilang Zheng, Liping Xie, Rongqing Zhang
UNLABELLED: Matrix proteins play key roles in shell formation in the pearl oyster, but little is known about how these proteins are regulated. Here, two POU domain family members, Pf-POU2F1 and Pf-POU3F4, were cloned and characterized. Functional domain analysis revealed that both them have conserved POUS and POUH domains; these domains are important for transcription factor function. The tissue distributions of Pf-POU2F1 and Pf-POU3F4 mRNAs in pearl oyster revealed different expression patterns, and the expression of Pf-POU3F4 mRNA was relatively high in the mantle...
May 2016: FEBS Journal
https://www.readbyqxmd.com/read/26992779/systems-biology-of-lens-development-a-paradigm-for-disease-gene-discovery-in-the-eye
#14
REVIEW
Deepti Anand, Salil A Lachke
Over the past several decades, the biology of the developing lens has been investigated using molecular genetics-based approaches in various vertebrate model systems. These efforts, involving target gene knockouts or knockdowns, have led to major advances in our understanding of lens morphogenesis and the pathological basis of cataracts, as well as of other lens related eye defects. In particular, we now have a functional understanding of regulators such as Pax6, Six3, Sox2, Oct1 (Pou2f1), Meis1, Pnox1, Zeb2 (Sip1), Mab21l1, Foxe3, Tfap2a (Ap2-alpha), Pitx3, Sox11, Prox1, Sox1, c-Maf, Mafg, Mafk, Hsf4, Fgfrs, Bmp7, and Tdrd7 in this tissue...
March 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/26877236/the-oct1-transcription-factor-and-epithelial-malignancies-old-protein-learns-new-tricks
#15
REVIEW
Karina Vázquez-Arreguín, Dean Tantin
The metazoan-specific POU domain transcription factor family comprises activities underpinning developmental processes such as embryonic pluripotency and neuronal specification. Some POU family proteins efficiently bind an 8-bp DNA element known as the octamer motif. These proteins are known as Oct transcription factors. Oct1/POU2F1 is the only widely expressed POU factor. Unlike other POU factors it controls no specific developmental or organ system. Oct1 was originally described to operate at target genes associated with proliferation and immune modulation, but more recent results additionally identify targets associated with oxidative and cytotoxic stress resistance, metabolic regulation, stem cell function and other unexpected processes...
June 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/26375440/mir-449a-promotes-liver-cancer-cell-apoptosis-by-downregulation-of-calpain-6-and-pou2f1
#16
Yonglei Liu, Yutong Wang, Xiangjun Sun, Chuanzhong Mei, Liying Wang, Zengxia Li, Xiliang Zha
Our previous study shows that Calpain 6 (CAPN6) expression is regulated by PI3K-Akt in liver cancer through POU2F1 and CAPN6 which promote cell proliferation and inhibit apoptosis of liver cancer cells. microRNAs (miRNAs) plays important roles in regulation of gene expression. However, whether miRNAs regulates CAPN6 expression and its cellular function is still unknown. This study aims to investigate how miRNAs regulate liver cancer apoptosis through POU2F1-CAPN6. It was verified that POU2F1 could promote cell proliferation and inhibit apoptosis through CAPN6...
March 22, 2016: Oncotarget
https://www.readbyqxmd.com/read/26272182/tumor-cell-secreted-angiogenin-induces-angiogenic-activity-of-endothelial-cells-by-suppressing-mir-542-3p
#17
Ting He, Feifei Qi, Lin Jia, Shan Wang, Chunying Wang, Nan Song, Yan Fu, Lin Li, Yongzhang Luo
Therapeutic strategies for targeting angiogenesis have been proven as successful treatments for divergent cancers. We previously discovered an anti-angiogenic miR-542-3p, which directly targeted the key angiogenesis-promoting protein Angiopoietin-2 to inhibit tumor angiogenesis in breast cancer models. In this study, to further investigate the mechanism of miR-542-3p induced angiogenic inhibition, we screened for tumor cell derived factors which were responsible for miR-542-3p alteration in endothelial cells...
November 1, 2015: Cancer Letters
https://www.readbyqxmd.com/read/26271992/oct-2-forms-a-complex-with-oct-1-on-the-inos-promoter-and-represses-transcription-by-interfering-with-recruitment-of-rna-polii-by-oct-1
#18
Fatima Bentrari, Aurelie Chantôme, Andrew Knights, Jean-François Jeannin, Alena Pance
Oct-1 (POU2f1) and Oct-2 (POU2f2) are members of the POU family of transcription factors. They recognize the same DNA sequence but fulfil distinct functions: Oct-1 is ubiquitous and regulates a variety of genes while Oct-2 is restricted to B-cells and neurones. Here we examine the interplay and regulatory mechanisms of these factors to control the inducible nitric oxide synthase (iNOS, NOS2). Using two breast cancer cell lines as a comparative model, we found that MCF-7 express iNOS upon cytokine stimulation while MDA-MB-231 do not...
November 16, 2015: Nucleic Acids Research
https://www.readbyqxmd.com/read/25898945/the-uniform-score-gene-set-analysis-for-identifying-common-pathways-associated-with-different-diabetes-traits
#19
Hao Mei, Lianna Li, Shijian Liu, Fan Jiang, Michael Griswold, Thomas Mosley
BACKGROUND: Genetic heritability and expression study have shown that different diabetes traits have common genetic components and pathways. A computationally efficient pathway analysis of GWAS results will benefit post-GWAS study of SNP associations and identification of common genetic pathways from diabetes GWAS can help to improve understanding of the disease pathogenesis. RESULTS: We proposed a uniform-score gene-set analysis (USGSA) with implemented package to unify different gene measures by a uniform score for identifying pathways from GWAS data, and use a pre-generated permutation distribution table to quickly obtain multiple-testing adjusted p-value...
April 23, 2015: BMC Genomics
https://www.readbyqxmd.com/read/25818641/the-expression-profile-analysis-of-nkx2-5-knock-out-embryonic-mice-to-explore-the-pathogenesis-of-congenital-heart-disease
#20
Jian Li, Yinyin Cao, Yao Wu, Weicheng Chen, Yuan Yuan, Xiaojing Ma, Guoying Huang
BACKGROUND: Mutation of NKX2-5 could lead to the development of congenital heart disease (CHD) which is a common inherited disease. This study aimed to investigate the pathogenesis of CHD in NKX2-5 knock-out embryonic mice. METHODS: The expression profile in the NKX2-5 knock-out embryonic mice (GSE528) was downloaded from Gene Expression Omnibus. The heart tissues from the null/heterozygous embryonic day 12.5 mice were compared with wild-type mice to identify differentially expressed genes (DEGs), and then DEGs corresponding to the transcriptional factors were filtered out based on the information in the TRANSFAC database...
December 2015: Journal of Cardiology
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