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https://www.readbyqxmd.com/read/28445953/yeats4-promotes-the-tumorigenesis-of-pancreatic-cancer-by-activating-beta-catenin-tcf-signaling
#1
Chen Jixiang, Dang Shengchun, Qu Jianguo, Mao Zhengfa, Fan Xin, Wang Xuqing, Zhang Jianxin, Cui Lei
Beta-catenin/TCF signaling has been reported to promote the growth and metastasis of pancreatic cancer cells. However, the regulation for the beta-catenin/TCF transcriptional complex remains largely unknown. Here, we have found that YEATS4 is a positive regulator for Beta-catenin/TCF signaling. The expression of YEATS4 was elevated in clinical pancreatic cancer samples and pancreatic cancer mouse model. Up-regulation of YEATS4 promoted the growth, migration and invasion of pancreatic cancer cells, while knocking down the expression of YEATS4 inhibited the growth, migration, invasion and metastasis of pancreatic cancer cells...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429649/fundic-gland-polyps-in-the-pediatric-population
#2
Amy Coffey, Kalyani Patel, Norma Quintanilla, Richard Kellermayer, Hao Wu
We retrospectively studied the clinical and histologic features of pediatric fundic gland polyps (FGPs) in 16 patients. FGPs had an endoscopic prevalence of 0.25% in 8527 pediatric gastric biopsies. Five patients had familial adenomatous polyposis (FAP). The median age of onset was 17.7 years in FAP and 17.3 years in sporadic patients. All syndromic patients were asymptomatic and FGPs were identified during surveillance for existing or concurrent colon polyps. They did not take antacids. In comparison, all 11 sporadic FGPs were identified during evaluation of symptomatic patients who had taken antacids (median duration 21 months)...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28423670/invasive-fusobacterium-nucleatum-activates-beta-catenin-signaling-in-colorectal-cancer-via-a-tlr4-p-pak1-cascade
#3
Yongyu Chen, Yan Peng, Jiahui Yu, Ting Chen, Yaxin Wu, Lei Shi, Qing Li, Jiao Wu, Xiangsheng Fu
The underlying mechanism of Fusobacterium nucleatum (Fn) in the carcinogenesis of colorectal cancer (CRC) is poorly understood. Here, we examined Fn abundance in CRC tissues, as well as β-catenin, TLR4 and PAK1 protein abundance in Fn positive and Fn negative CRCs. Furthermore, we isolated a strain of Fn (F01) from a CRC tissue and examined whether Fn (F01) infection of colon cancer cells activated β-catenin signaling via the TLR4/P-PAK1/P-β-catenin S675 cascade. Invasive Fn was abundant in 62.2% of CRC tissues...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418912/human-microrna-expression-in-sporadic-and-fap-associated-desmoid-tumors-and-correlation-with-beta-catenin-mutations
#4
Aldo Cavallini, Maria Teresa Rotelli, Catia Lippolis, Domenico Piscitelli, Rosa Digennaro, Claudia Covelli, Nicola Carella, Matteo Accetturo, Donato Francesco Altomare
Desmoid tumors (DT) are rare, benign, fibroblastic neoplasm with challenging histological diagnosis. DTs can occur sporadically or associated with the familial adenomatous polyposis coli (FAP). Most sporadic DTs are associated with β-catenin gene (CTNNB1) mutations, while mutated APC gene causes FAP disease. microRNAs (miRNAs) are involved in many human carcinogenesis.The miRNA profile was analyzed by microarray in formalin-fixed, paraffin-embedded (FFPE) specimens of 12 patients (8 sporadic, 4 FAP-associated) and 4 healthy controls...
March 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408316/down-regulation-of-lrp1b-in-colon-cancer-promoted-the-growth-and-migration-of-cancer-cells
#5
Zhiqiang Wang, Peng Sun, Chun Gao, Ji Chen, Jun Li, Zhonghao Chen, Ming Xu, Jun Shao, Yunpeng Zhang, Jiang Xie
Aberrant activation of beta-catenin/TCF signaling is one of the hallmarks of colon cancer. It is of great interest to study the mechanism for the regulation of beta-catenin/TCF signaling. In this study, it was found that LRP1B was down-regulated in colon cancer tissues and inhibited the growth, migration and metastasis of colon cancer cells. The molecular mechanism study revealed that LRP1B interacted with DVL2, inhibited the interaction between DVL2 and Axin, and negatively regulated beta-catenin/TCF signaling...
April 10, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28405929/thermodynamics-in-cancers-opposing-interactions-between-ppar-gamma-and-the-canonical-wnt-beta-catenin-pathway
#6
REVIEW
Yves Lecarpentier, Victor Claes, Alexandre Vallée, Jean-Louis Hébert
Cancer cells are the site of numerous metabolic and thermodynamic abnormalities. We focus this review on the interactions between the canonical WNT/beta-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR gamma) in cancers and their implications from an energetic and metabolic point of view. In numerous tissues, PPAR gamma activation induces inhibition of beta-catenin pathway, while the activation of the canonical WNT/beta-catenin pathway inactivates PPAR gamma. In most cancers but not all, PPAR gamma is downregulated while the WNT/beta-catenin pathway is upregulated...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28393933/epcam-intracellular-domain-promotes-porcine-cell-reprogramming-by-upregulation-of-pluripotent-gene-expression-via-beta-catenin-signaling
#7
Tong Yu, Yangyang Ma, Huayan Wang
Previous study showed that expression of epithelial cell adhesion molecule (EpCAM) was significantly upregulated in porcine induced pluripotent stem cells (piPSCs). However, the regulatory mechanism and the downstream target genes of EpCAM were not well investigated. In this study, we found that EpCAM was undetectable in fibroblasts, but highly expressed in piPSCs. Promoter of EpCAM was upregulated by zygotic activated factors LIN28, and ESRRB, but repressed by maternal factors OCT4 and SOX2. Knocking down EpCAM by shRNA significantly reduced the pluripotent gene expression...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28392344/after-skin-wounding-noncoding-dsrna-coordinates-prostaglandins-and-wnts-to-promote-regeneration
#8
Amadeus S Zhu, Ang Li, Tabetha S Ratliff, Martha Melsom, Luis A Garza
In a rare example akin to organogenesis in adult mammals, large wounds in mice lead to de novo morphogenesis of hair follicles. It is still not fully clear what controls this process, known as Wound Induced Hair Neogenesis (WIHN). In other tissues, prostaglandin E2 (PGE2) is an important effector of regeneration and has been shown to stimulate the Wnt/beta-catenin pathway, which in turn is known to control WIHN. Previously, our group has demonstrated that noncoding dsRNA released during wounding is both necessary and sufficient to stimulate WIHN through TLR3...
April 6, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28387908/cdh17-is-a-downstream-effector-of-hoxa13-in-modulating-the-wnt-%C3%AE-catenin-signaling-pathway-in-gastric-cancer
#9
L-P Qu, Y-M Zhong, Z Zheng, R-X Zhao
OBJECTIVE: In this study, we investigated the mechanism underlying co-upregulation of HOXA13 and CDH17 in gastric cancer, the signaling pathway in which HOXA13 and CDH17 involve in and their functional role in gastric cancer cells. MATERIALS AND METHODS: Relevant microarrays investigated the dysregulated genes in gastric cancer tissues were searched in ArrayExpress. The co-expression of HOXA13 and CDH17 was analyzed in the gastric cancer patient cohort in TCGA database using cBioportal and UCSC Xena...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28382841/hepatocellular-carcinoma-in-fanconi-bickel-syndrome
#10
Jennifer Pogoriler, Allison F O'Neill, Stephan D Voss, Robert C Shamberger, Antonio R Perez-Atayde
Fanconi-Bickel syndrome is a rare autosomal recessive disorder due to mutations in the facilitative glucose transporter 2 ( GLUT2 or SLC2A2) gene resulting in excessive glycogen storage predominantly in the liver and kidney. Previous case reports of this condition have described liver biopsies with glycogen storage and variable steatosis and/or fibrosis. Unlike in other types of glycogen storage disease, hepatocellular adenomas and carcinomas have not been described to date in this syndrome. A 6-year-old boy with consanguineous parents had short stature, poorly controlled rickets, hepatosplenomegaly, and renal tubular dysfunction clinically consistent with Fanconi-Bickel Syndrome...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28374783/itraq-based-proteomic-analysis-of-porcine-kidney-epithelial-pk15-cells-infected-with-pseudorabies-virus
#11
Songbai Yang, Yue Pei, Ayong Zhao
Pseudorabies virus (PRV) is one of the most important pathogens of swine, resulting in severe economic losses to the pig industry. To improve our understanding of the host responses to PRV infection, we applied isobaric tags for relative and absolute quantification (iTRAQ) labeling coupled with liquid chromatography-tandem mass spectrometry to quantitatively identify the differentially expressed cellular proteins in PRV-infected PK15 cells. In total, relative quantitative data were identified for 4333 proteins in PRV and mock- infected PK15 cells, among which 466 cellular proteins were differentially expressed, including 234 upregulated proteins and 232 downregulated proteins...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28369070/probing-the-canonicity-of-the-wnt-wingless-signaling-pathway
#12
Alexandra Franz, Daria Shlyueva, Erich Brunner, Alexander Stark, Konrad Basler
The hallmark of canonical Wnt signaling is the transcriptional induction of Wnt target genes by the beta-catenin/TCF complex. Several studies have proposed alternative interaction partners for beta-catenin or TCF, but the relevance of potential bifurcations in the distal Wnt pathway remains unclear. Here we study on a genome-wide scale the requirement for Armadillo (Arm, Drosophila beta-catenin) and Pangolin (Pan, Drosophila TCF) in the Wnt/Wingless(Wg)-induced transcriptional response of Drosophila Kc cells...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28367588/effect-of-long-term-in-vitro-lithium-exposure-on-mrna-levels-of-claudin-3-cyp1a1-abcg2-and-gstm3-genes-in-the-hcmec-d3-human-brain-endothelial-cell-line
#13
Ramzi Shawahna, Kayathiri Ganeshamoorthy, Luo Huilong, Jean-Michel Scherrmann, Pierre-Olivier Couraud, Xavier Declèves
BACKGROUND AND OBJECTIVES: Lithium chloride (LiCl) has been shown to improve the tightness of brain endothelial cell monolayers in vitro by inhibition of the GSK-3β enzyme, activation of the Wnt/beta-catenin pathway and regulation of tight junction (TJ) protein expression. However, the effect of LiCl on the drug transporters and drug-metabolizing enzymes has not been addressed so far. The hCMEC/D3 cell line is a validated in vitro BBB model expressing transporters and drug-metabolizing enzymes (phase 1 and 2)...
April 3, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28349057/interleukin-9-promotes-pancreatic-cancer-cells-proliferation-and-migration-via-the-mir-200a-beta-catenin-axis
#14
Bangli Hu, Huang Qiu-Lan, Rong-E Lei, Cheng Shi, Hai-Xing Jiang, Shan-Yu Qin
Background. Both IL-9 and miR-200a are involved in the pathogenesis of cancers; however, the role of IL-9 in pancreatic cancer and the possible underlying mechanisms remain unknown. The aim of this study was to investigate the effect of IL-9 on pancreatic cancer cells and its interaction with miR-200a. Methods. Pancreatic cancer cells (PANC-1 and AsPC-1) were treated with IL-9 and the expression of miR-200a and β-catenin in pancreatic cancer cells was measured. β-Catenin was examined as a target gene of miR-200a in pancreatic cancer cells...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28348214/spemann-organizer-transcriptome-induction-by-early-beta-catenin-wnt-nodal-and-siamois-signals-in-xenopus-laevis
#15
Yi Ding, Diego Ploper, Eric A Sosa, Gabriele Colozza, Yuki Moriyama, Maria D J Benitez, Kelvin Zhang, Daria Merkurjev, Edward M De Robertis
The earliest event in Xenopus development is the dorsal accumulation of nuclear β-catenin under the influence of cytoplasmic determinants displaced by fertilization. In this study, a genome-wide approach was used to examine transcription of the 43,673 genes annotated in the Xenopus laevis genome under a variety of conditions that inhibit or promote formation of the Spemann organizer signaling center. Loss of function of β-catenin with antisense morpholinos reproducibly reduced the expression of 247 mRNAs at gastrula stage...
April 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28348052/bile-acid-administration-elicits-an-intestinal-antimicrobial-program-and-reduces-the-bacterial-burden-in-two-mouse-models-of-enteric-infection
#16
Sarah Tremblay, Guillaume Romain, Mélisange Roux, Xi-Lin Chen, Kirsty Brown, Deanna L Gibson, Sheela Ramanathan, Alfredo Menendez
In addition to their chemical antimicrobial nature, bile acids (BA) are thought to have other functions in the homeostatic control of gastrointestinal immunity. However, those functions have remained largely undefined. In this work, we used ileal explants and mouse models of BA administration to investigate the role of BA in the regulation of the intestinal antimicrobial response. Mice fed on a diet supplemented with 0.1% chenodeoxycholic acid (CDCA) showed an upregulated expression of Paneth cell α-defensins as well as an increased synthesis of the type-C lectins Reg3b and Reg3g by the ileal epithelium...
March 27, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28340578/abcb1-and-abcg2-drug-transporters-are-differentially-expressed-in-non-small-cell-lung-cancers-nsclc-and-expression-is-modified-by-cisplatin-treatment-via-altered-wnt-signaling
#17
M Vesel, J Rapp, D Feller, E Kiss, L Jaromi, M Meggyes, G Miskei, B Duga, G Smuk, T Laszlo, I Karner, J E Pongracz
BACKGROUND: Lung cancer (LC) is still the most common cause of cancer related deaths worldwide. Non-small cell lung cancer (NSCLC) accounts for 85% of all LC cases but is not a single entity. It is now accepted that, apart from the characteristic driver mutations, the unique molecular signatures of adeno- (AC) and squamous cell carcinomas (SCC), the two most common NSCLC subtypes should be taken into consideration for their management. Therapeutic interventions, however, frequently lead to chemotherapy resistance highlighting the need for in-depth analysis of regulatory mechanisms of multidrug resistance to increase therapeutic efficiency...
March 24, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28334814/genome-wide-association-study-identifies-novel-susceptible-loci-and-highlights-wnt-beta-catenin-pathway-in-the-development-of-adolescent-idiopathic-scoliosis
#18
Zezhang Zhu, Leilei Xu, Nelson Leung-Sang Tang, Xiaodong Qin, Zhenhua Feng, Weixiang Sun, Weiguo Zhu, Benlong Shi, Peng Liu, Saihu Mao, Jun Qiao, Zhen Liu, Xu Sun, Fangcai Li, Jack Chun-Yiu Cheng, Yong Qiu
The genetic architecture of adolescent idiopathic scoliosis (AIS) remains poorly understood. Here we present the result of a 4-stage genome-wide association study composed of 5,953 AIS patients and 8,137 controls. Overall, we identified three novel susceptible loci including rs7593846 at 2p14 near MEIS1 (Pcombined = 1.19 × 10-13, OR = 1.21, 95% CI = 1.10-1.32), rs7633294 at 3p14.1 near MAGI1 (Pcombined = 1.85 × 10-12, OR = 1.20, 95% CI = 1.09-1.32), and rs9810566 at 3q26.2 near TNIK (Pcombined = 1...
April 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28331879/solid-cystic-pancreatic-tail-desmoid-tumor-with-beta-catenin-positivity
#19
Harsh D Patel, Neil R Desai, Aniruddh Som, Shinil K Shah, Nirav C Thosani
No abstract text is available yet for this article.
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28318921/influence-of-tgf-%C3%AE-1-on-tumor-transition-in-oral-cancer-cell-and-bmsc-co-cultures
#20
F Böhrnsen, F Godek, J Kiesel, F J Kramer, P Brockmeyer, H Schliephake
OBJECTIVES: TGF-β1 signaling modulates epithelial mesenchymal transitions (EMT) of head and neck squamous cell carcinoma (HNSCC). Bone marrow mesenchymal stromal cells (BMSC) are able to exert a regulating influence on the expression of markers of EMT in HNSCC cells. It was thus the aim of this study to test the hypothesis that TGF-β1 modulates the interactions of tumor transition between BMSCs and HNSCC, affecting the expression of E-cadherin, Vimentin, Snail, Twist, MMP14 and beta-catenin...
February 17, 2017: Journal of Cranio-maxillo-facial Surgery
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