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https://www.readbyqxmd.com/read/28629960/molecular-cloning-and-mrna-expression-pattern-of-sox4-in-paramisgurnus-dabryanus
#1
Xiaohua Xia, Ruyan Wan, Weiran Huo, Linxia Zhang, Xiaopei Xia, Zhongjie Chang
Sox4 belonged to the SoxC subfamily of the Sox family, which play important roles in the development of the vertebrate gonad and nervous system. A Sox4 homologue was cloned from brain of Paramisgurnus dabryanus by using homologous cloning and rapid amplification of cDNA ends (RACE), designated as PdSox4. The full-length cDNA was 2163bp, containing the 759bp 5'-untranslated region, 267bp 3'-untranslated region and encoding a putative protein of 378 amino acids with a characteristic high mobility group box (HMG-box) DNA-binding domain of 79 amino acids with the specific motif (RPMNAFMVW)...
June 16, 2017: Gene Expression Patterns: GEP
https://www.readbyqxmd.com/read/28627651/sox4-promotes-melanoma-cell-migration-and-invasion-though-the-activation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway
#2
Qiong Cheng, Jinfeng Wu, Yaohua Zhang, Xiao Liu, Nan Xu, Fuguo Zuo, Jinhua Xu
SOX4 has been reported to be abnormally expressed in many types of cancer, including melanoma. However, its role in cell proliferation and metastasis remains controversial. In this study, SOX4 was downregulated or overexpressed in A375, A2058 and A875 melanoma cells by siRNA or lentivirus transfection, respectively. Cell metastasis was observed by Transwell assay. In an aim to elucidate the underlying mechanisms, we determined the expression of nuclear factor-κB (NF-κB) by real-time PCR assay and western blot analysis...
June 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28625800/arsenic-alters-transcriptional-responses-to-pseudomonas-aeruginosa-infection-and-decreases-antimicrobial-defense-of-human-airway-epithelial-cells
#3
B C Goodale, E J Rayack, B A Stanton
Arsenic contamination of drinking water and food threatens the health of hundreds of millions of people worldwide by increasing the risk of numerous diseases. Arsenic exposure has been associated with infectious lung disease in epidemiological studies, but it is not yet understood how ingestion of low levels of arsenic increases susceptibility to bacterial infection. Accordingly, the goal of this study was to examine the effect of arsenic on gene expression in primary human bronchial epithelial (HBE) cells and to determine if arsenic altered epithelial cell responses to Pseudomonas aeruginosa, an opportunistic pathogen...
June 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28615725/transcriptome-analysis-reveals-similarities-between-human-blood-cd3-cd56-bright-cells-and-mouse-cd127-innate-lymphoid-cells
#4
David S J Allan, Ana Sofia Cerdeira, Anuisa Ranjan, Christina L Kirkham, Oscar A Aguilar, Miho Tanaka, Richard W Childs, Cynthia E Dunbar, Jack L Strominger, Hernan D Kopcow, James R Carlyle
For many years, human peripheral blood natural killer (NK) cells have been divided into functionally distinct CD3(-) CD56(bright) CD16(-) and CD3(-) CD56(dim) CD16(+) subsets. Recently, several groups of innate lymphoid cells (ILC), distinct from NK cells in development and function, have been defined in mouse. A signature of genes present in mouse ILC except NK cells, defined by Immunological Genome Project studies, is significantly over-represented in human CD56(bright) cells, by gene set enrichment analysis...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28535514/mir-129-5p-inhibits-proliferation-and-invasion-of-chondrosarcoma-cells-by-regulating-sox4-wnt-%C3%AE-catenin-signaling-pathway
#5
Peng Zhang, Jifeng Li, Yuze Song, Xiao Wang
BACKGROUND/AIMS: Recently, microRNAs (miRNA) have been identified as novel regulators in Chondrosarcoma (CHS). This study was aimed to identify the roles of miR-129-5p-5p in regulation of SOX4 and Wnt/β-catenin signaling pathway, as well as cell proliferation and apoptosis in chondrosarcomas. MATERIALS AND METHODS: Tissue samples were obtained from chondrosarcoma patients. Immunohistochemistry, real-time quantitative RT-PCR (RT-qPCR) and western blot analysis were performed to detect the expressions of miR-129-5p and SOX4...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28534986/overexpression-of-sox4-promotes-cell-migration-and-invasion-of-renal-cell-carcinoma-by-inducing-epithelial-mesenchymal-transition
#6
Hailong Ruan, Hongmei Yang, Haibin Wei, Wen Xiao, Ning Lou, Bin Qiu, Guanghua Xu, Zhengshuai Song, Haibin Xiao, Lei Liu, Yali Zhou, Wenjun Hu, Ke Chen, Xuanyu Chen, Xiaoping Zhang
Incomplete understanding remains in the molecular mechanisms underlying progression and metastasis of renal cancer. The transcription factor SOX4 is upregulated in various human malignancies, including renal cancer, indicating it may be involved in renal tumorigenesis. In this study, we explored this hypothesis by loss-of-function and gain-of-function assays of SOX4 in renal cancer cell lines and renal epithelial cell line. We found that specific knockdown of SOX4 in renal cancer cell lines significantly suppressed the migration and invasion of cancer cells; specific overexpression of SOX4 in renal epithelial cell line markedly promoted the migration and invasion of the cell line...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28532536/-role-of-sox4-on-ddp-resistance-in-non-small-cell-lung-cancer-cell-of-a549
#7
Wei Li, Xu Liu, Guoqian Zhang, Linlin Zhang
BACKGROUND: Lung cancer is one of the most serious disease and the incidence of non-small cell lung cancer (NSCLC) is the highest in lung cancer. The main reason for the failure of chemotherapy is the tolerance to cisplatin. Transcriptional regulator SOX4 plays an important role in the occurrence and development of many tumors, and regulates Wnt signaling pathway by regulating the expression of β-catenin. We aimed to investigate the role of SOX4 on cisplatin-resistance in NSCLC cell A549 cell...
May 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28504814/microrna-212-inhibits-the-metastasis-of-nasopharyngeal-carcinoma-by-targeting-sox4
#8
Chengyi Jiang, Hongtao Wang, Lei Zhou, Tao Jiang, Yajia Xu, Lin Xia
MicroRNAs are important factors in the pathogenic processes of human types of cancers including nasopharyngeal carcinoma (NPC). In the present study, we confirmed that the microRNA-212 expression level was significantly decreased both in NPC tissues and NPC cell lines. Decreased expression of miR-212 was associated with advanced tumor-node-metastasis (TNM) stage and metastasis of NPC. Patients with a lower level of miR-212 had significantly decreased rates of overall and disease-free survival. Functional experiments showed that forced expression of miR-212 inhibited the migration and invasion of NPC cells while inhibition of miR-212 increased the migration and invasion of NPC cells...
May 15, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28495880/sox4-allows-facultative-%C3%AE-cell-proliferation-through-repression-of-cdkn1a
#9
Eric E Xu, Shugo Sasaki, Thilo Speckmann, Cuilan Nian, Francis C Lynn
The HMG-box transcription factor, SOX4, is the most highly expressed SOX family protein in pancreatic islets, and mutations in Sox4 are associated with an increased risk of developing type 2 diabetes. We utilized an inducible β-cell knockout mouse model to test the hypothesis that Sox4 is essential for the maintenance of β-cell number during the development of type 2 diabetes. Knockout of Sox4 at 6 weeks of age resulted in time-dependent worsening of glucose tolerance, impairment of insulin secretion, and diabetes by 30 weeks of age...
May 11, 2017: Diabetes
https://www.readbyqxmd.com/read/28488774/fscn1-is-upregulated-by-snai2-and-promotes-epithelial-to-mesenchymal-transition-in-head-and-necksquamous-cell-carcinoma
#10
Lei Wang, YaoPeng Jia, ZengYu Jiang, Wei Gao, BinQuan Wang
In this study, we investigated whether there is any association between the expression of FSCN1 and SNAI2and the possible underlying mechanisms in head and neck squamous cell carcinoma (HNSC). In addition, we also investigated whether FSCN1 modulates epithelial to mesenchymal transition (EMT) in HNSC cells. Microarray data of dysregulated genes in HNSC was searched in GEO datasets. The association between FSCN1 expression and the 5-year/10-year overall survival (OS), as well as the correlation between the expression of FSCN1 and SOX2, MYBL2, SNAI2, STAT1 and SOX4 were analyzed based on data in TCGA HNSC cohort (TCGA-HNSC)...
May 10, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28466783/sox4-induces-tumor-invasion-by-targeting-emt-related-pathway-in-prostate-cancer
#11
Yifan Liu, Shan Zeng, Xianhan Jiang, Dehui Lai, Zhengming Su
SOX4 (sex-determining region Y-related high-mobility group box 4) is associated with tumor progression and poor clinical outcome in several cancers. This study aims to evaluate whether SOX4 affects the biological behaviors of prostate cancer and further elucidate whether this effect works through the epithelial-mesenchymal transition pathway. We investigated the expression of SOX4 in a series of prostate cancer tissues and adjacent noncancerous tissues, as well as in a panel of prostate cancer cell lines. Cell proliferation, migration, and invasion were evaluated in SOX4 knockdown prostate cancer cell lines by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and Transwell assay...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28466138/a-translational-approach-from-an-animal-model-identifies-cd80-as-a-candidate-gene-for-the-study-of-bone-phenotypes-in-postmenopausal-women
#12
L Panach, E Serna, J J Tarín, A Cano, M Á García-Pérez
This study represented a translational study that first compared gene expression of B cells of BM from ovariectomized and control mice, and then analyzed some of the differentially expressed genes in women. Results showed novel genetic associations with bone phenotypes and points to the CD80 gene as relevant in postmenopausal bone loss. INTRODUCTION: Osteoporosis is a multifactorial disease with a strong genetic component. However, to date, research into osteoporosis has only been able to explain a small part of its heritability...
May 2, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28450532/p53-mir-191-sox4-regulatory-loop-affects-apoptosis-in-breast-cancer
#13
Shivani Sharma, Neha Nagpal, Prahlad C Ghosh, Ritu Kulshreshtha
miRNAs have emerged as key participants of p53 signaling pathway as they regulate or be regulated by p53. Here, we provide the first study demonstrating direct regulation of an oncogenic miRNA, miR-191, by p53 and existence of a regulatory feedback loop. Using a combination of qRT-PCR, promoter-luciferase and chromatin-immunoprecipitation assays we show that p53 brings about downregulation of miR-191 in breast cancer. miR-191 overexpression brought about inhibition of apoptosis in breast cancer cell lines (MCF7 and ZR-75) as demonstrated by reduction in annexin-V stained cells and caspase 3/7 activity while miR-191 downregulation showed the opposite...
April 27, 2017: RNA
https://www.readbyqxmd.com/read/28412032/upregulation-of-mir-369-3p-suppresses-cell-migration-and-proliferation-by-targeting-sox4-in-hirschsprung-s-disease
#14
Weikang Pan, Hui Yu, Baijun Zheng, Ya Gao, Peng Li, Qiang Huang, Chong Xie, Xin Ge
BACKGROUND: Hirschsprung disease (HSCR) is a congenital digestive disease in the new born. miR-369-3p has been reported to be involved in many human diseases. However, the relationship between miR-369-3p and HSCR remains largely unknown. METHODS: In this study, qRT-PCR was used to detect the relative expression of miR-369-3p in 60 HSCR bowel tissue samples and 47 matched controls. Bioinformatic analysis and dual-luciferase reporter assay were performed to evaluate the target for miR-369-3p...
April 8, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28411269/novel-regulatory-mechanisms-for-the-soxc-transcriptional-network-required-for-visual-pathway-development
#15
Kun-Che Chang, Jonathan Hertz, Xiong Zhang, Xiao-Lu Jin, Peter Shaw, Brooke A Derosa, Janet Y Li, Praseeda Venugopalan, Daniel A Valenzuela, Roshni D Patel, Kristina R Russano, Shomoukh A Alshamekh, Catalina Sun, Kevin Tenerelli, Chenyi Li, Dmitri Velmeshev, Yuyan Cheng, Timothy M Boyce, Alexandra Dreyfuss, Mohammed S Uddin, Kenneth J Muller, Derek M Dykxhoorn, Jeffrey L Goldberg
What pathways specify retinal ganglion cell (RGC) fate in the developing retina? Here we report on mechanisms by which a molecular pathway involving Sox4/Sox11 is required for RGC differentiation and for optic nerve formation in mice in vivo, and is sufficient to differentiate human induced pluripotent stem cells into electrophysiologically active RGCs. These data place Sox4 downstream of RE1 silencing transcription factor in regulating RGC fate, and further describe a newly identified, Sox4-regulated site for post-translational modification with small ubiquitin-related modifier (SUMOylation) in Sox11, which suppresses Sox11's nuclear localization and its ability to promote RGC differentiation, providing a mechanism for the SoxC familial compensation observed here and elsewhere in the nervous system...
May 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28393247/bioinformatics-analysis-of-gene-expression-alterations-in-microrna%C3%A2-122-knockout-mice-with-hepatocellular-carcinoma
#16
Bosheng He, Ying He, Weixiang Shi, Shenchu Gong, Xiaohong Chen, Jing Xiao, Jinhua Gu, Wenbin Ding, Yilang Wang
Reduced microRNA (miR)‑122 expression levels are frequently observed in hepatocellular carcinoma (HCC). The present study was conducted to investigate potential targets of miR‑122 and determine the underlying regulatory mechanisms of miR‑122 in HCC development. The public dataset GSE31731 was utilized, consisting of 8 miR‑122 knockout (KO) mice (miR‑122 KO) and 8 age‑matched wild‑type mice (WT group). Following data preprocessing, the differentially expressed genes (DEGs) were selected, followed by enrichment analysis...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28279198/sox9-transcriptionally-regulates-wnt-signaling-in-intestinal-epithelial-stem-cells-in-hypomethylated-crypts-in-the-diabetic-state
#17
Can-Ze Huang, Ji-Hao Xu, Wa Zhong, Zhong-Sheng Xia, Si-Yi Wang, Di Cheng, Jie-Yao Li, Ting-Feng Wu, Qi-Kui Chen, Tao Yu
BACKGROUND: Distinctive structures called crypts harbor intestinal epithelial stem cells (IESCs) which generate progenitor and terminally differentiated cells in the intestinal epithelium. Mammalian IESCs and their daughter cells require the participation of DNA methylation and the transcription factor Sox9 for proliferation and differentiation. However, the association between Sox9 and DNA methylation in this process remains elusive. METHODS: The DNA methylation of small intestinal epithelial crypts in db/db mice was detected via combining methylated DNA immunoprecipitation with microarray hybridization...
March 9, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28257144/the-anti-hepatic-fibrosis-effects-of-dihydrotanshinone-i-are-mediated-by-disrupting-the-yes-associated-protein-and-transcriptional-enhancer-factor-d2-complex-and-stimulating-autophagy
#18
Maoxu Ge, Hong Liu, Yixuan Zhang, Naren Li, Shuangshuang Zhao, Wuli Zhao, Yongzhan Zhen, Jianzhong Yu, Hongwei He, Rong-Guang Shao
BACKGROUND AND PURPOSE: Dihydrotanshinone I (DHI), a lipophilic component of traditional Chinese medicine Salvia miltiorrhiza Bunge, has various therapeutic effects. We investigated the anti-fibrotic effect of DHI and its underlying mechanisms in vitro and in vivo. EXPERIMENTAL APPROACH: Rats subjected to bile duct ligation (BDL) were treated with DHI (25 mg·kg(-1) ·day(-1) , i.p.) for 14 days. Serum biochemical and liver tissue morphological analyses were performed...
May 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28215559/soxc-transcription-factors-promote-contralateral-retinal-ganglion-cell-differentiation-and-axon-guidance-in-the-mouse-visual-system
#19
Takaaki Kuwajima, Célia A Soares, Austen A Sitko, Véronique Lefebvre, Carol Mason
Transcription factors control cell identity by regulating diverse developmental steps such as differentiation and axon guidance. The mammalian binocular visual circuit is comprised of projections of retinal ganglion cells (RGCs) to ipsilateral and contralateral targets in the brain. A transcriptional code for ipsilateral RGC identity has been identified, but less is known about the transcriptional regulation of contralateral RGC development. Here we demonstrate that SoxC genes (Sox4, 11, and 12) act on the progenitor-to-postmitotic transition to implement contralateral, but not ipsilateral, RGC differentiation, by binding to Hes5 and thus repressing Notch signaling...
March 8, 2017: Neuron
https://www.readbyqxmd.com/read/28176176/amplification-of-sox4-promotes-pi3k-akt-signaling-in-human-breast-cancer
#20
Gaurav A Mehta, Joel S Parker, Grace O Silva, Katherine A Hoadley, Charles M Perou, Michael L Gatza
PURPOSE: The PI3K/Akt signaling axis contributes to the dysregulation of many dominant features in breast cancer including cell proliferation, survival, metabolism, motility, and genomic instability. While multiple studies have demonstrated that basal-like or triple-negative breast tumors have uniformly high PI3K/Akt activity, genomic alterations that mediate dysregulation of this pathway in this subset of highly aggressive breast tumors remain to be determined. METHODS: In this study, we present an integrated genomic analysis based on the use of a PI3K gene expression signature as a framework to analyze orthogonal genomic data from human breast tumors, including RNA expression, DNA copy number alterations, and protein expression...
April 2017: Breast Cancer Research and Treatment
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