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https://www.readbyqxmd.com/read/28214218/implication-of-downregulation-and-prospective-pathway-signaling-of-microrna-375-in-lung-squamous-cell-carcinoma
#1
Wen-Jie Chen, Ting-Qing Gan, Hui Qin, Su-Ning Huang, Li-Hua Yang, Ye-Ying Fang, Zu-Yun Li, Lin-Jiang Pan, Gang Chen
BACKGROUND: Lung cancer is one of the most typical cancers in the world. Altered expression profiles of microRNA-375(miR-375) are linked to many diseases including lung cancer. However, the relationship between miR-375 and lung squamous cell carcinoma (LUSC) is controversial. METHODS: We first evaluated the 23 LUSCs and the paired normal lung tissues by qRT-PCR. Then we analyzed the LUSC samples with miR-375 expression based on The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO)...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28205531/wnt5a-is-a-crucial-regulator-of-neurogenesis-during-cerebellum-development
#2
Chandramohan Subashini, Sivadasan Bindu Dhanesh, Chih-Ming Chen, Paul Ann Riya, Vadakkath Meera, Thulasi Sheela Divya, Rejji Kuruvilla, Kerstin Buttler, Jackson James
The role of Wnt5a has been extensively explored in various aspects of development but its role in cerebellar development remains elusive. Here, for the first time we unravel the expression pattern and functional significance of Wnt5a in cerebellar development using Wnt5a(-/-) and Nestin-Cre mediated conditional knockout mouse models. We demonstrate that loss of Wnt5a results in cerebellar hypoplasia and depletion of GABAergic and glutamatergic neurons. Besides, Purkinje cells of the mutants displayed stunted, poorly branched dendritic arbors...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197019/inflammation-and-cancer-extra-and-intracellular-determinants-of-tumor-associated-macrophages-as-tumor-promoters
#3
REVIEW
Gabor J Szebeni, Csaba Vizler, Klara Kitajka, Laszlo G Puskas
One of the hallmarks of cancer-related inflammation is the recruitment of monocyte-macrophage lineage cells to the tumor microenvironment. These tumor infiltrating myeloid cells are educated by the tumor milieu, rich in cancer cells and stroma components, to exert functions such as promotion of tumor growth, immunosuppression, angiogenesis, and cancer cell dissemination. Our review highlights the ontogenetic diversity of tumor-associated macrophages (TAMs) and describes their main phenotypic markers. We cover fundamental molecular players in the tumor microenvironment including extra- (CCL2, CSF-1, CXCL12, IL-4, IL-13, semaphorins, WNT5A, and WNT7B) and intracellular signals...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28193625/deep-sequencing-of-urinary-rnas-for-bladder-cancer-molecular-diagnostics
#4
Mandy L Y Sin, Kathleen E Mach, Rahul Sinha, Fan Wu, Dharati Trivedi, Emanuela Altobelli, Kristin C Jensen, Debashis Sahoo, Ying Lu, Joseph C Liao
PURPOSE: The majority of bladder cancer patients present with localized disease and are managed by transurethral resection. However, the high rate of recurrence necessitates lifetime cystoscopic surveillance. Developing a sensitive and specific urine-based test would significantly improve bladder cancer screening, detection, and surveillance. EXPERIMENTAL DESIGN: RNA-seq was used for biomarker discovery to directly assess the gene expression profile of exfoliated urothelial cells in urine derived from bladder cancer patients (n=13) and controls (n=10)...
February 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28172498/p067-molecular-profiling-of-early-crohn-s-disease-reveals-a-prominent-role-for-wnt5a
#5
S Verstockt, J Van der Goten, M Vancamelbeke, B Verstockt, L Van Lommel, F Schuit, P Rutgeerts, M Ferrante, S Vermeire, I Arijs, I Cleynen
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28170184/regeneration-of-articular-cartilage-by-human-esc-derived-mesenchymal-progenitors-treated-sequentially-with-bmp-2-and-wnt5a
#6
Jason D Gibson, Michael B O'Sullivan, Farhang Alaee, David N Paglia, Ryu Yoshida, Rosa M Guzzo, Hicham Drissi
The success of cell-based therapies to restore joint cartilage requires an optimal source of reparative progenitor cells and tight control of their differentiation into a permanent cartilage phenotype. Bone morphogenetic protein 2 (BMP-2) has been extensively shown to promote mesenchymal cell differentiation into chondrocytes in vitro and in vivo. Conversely, developmental studies have demonstrated decreased chondrocyte maturation by Wingless-Type MMTV Integration Site Family, Member 5A (Wnt5a). Thus, we hypothesized that treatment of human embryonic stem cell (hESC)-derived chondroprogenitors with BMP-2 followed by Wnt5a may control the maturational progression of these cells into a hyaline-like chondrocyte phenotype...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28157427/optimization-validation-and-identification-of-two-reliable-antibodies-for-immunodetection-of-wnt5a
#7
Z Prgomet, T Andersson, P Lindberg
WNT5A is a secreted, noncanonical WNT signaling protein that has been reported to promote progression of several types of cancer, including oral squamous cell carcinoma. Many WNT5A antibodies are available commercially for immunohistochemistry (IHC) and western blot analysis. Validation of the primary antibodies, however, is often neglected. We characterized antibodies for detecting WNT5A by IHC and western blot analysis. We evaluated one polyclonal and three monoclonal commercially available WNT5A antibodies...
February 3, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28151034/sfrp3-and-dkk1-regulate-fibroblast-like-synoviocytes-markers-and-wnt-elements-expression-depending-on-cellular-context
#8
Dorra Elhaj Mahmoud, Nadia Sassi, Ghassen Drissi, Maher Barsaoui, Khaled Zitouna, Hela Sahli, Maryam Kallel-Sellami, Lassad Kanoun, Elhem Cheour, Lilia Laadhar
CONTEXT: Fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) display pathogenic behavior. Various members of the Wnt pathway, especially the canonical Wnt/β-catenin cascade, may contribute to autonomous RA FLS activation. It has been shown that the two Wnt inhibitors: sFRP3 and DKK1 contribute to several critical aspects of joint biology. However, their effects on RA FLS are poorly characterized. The aim of our study was to investigate the effects of sFRP3 and DKK1 on FLS markers, Wnt components, and target oncogenes expression by RA FLS and compare the findings to osteoarthritic (OA) FLS...
February 2, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28149478/immunoexpression-of-wnt-%C3%AE-catenin-signaling-pathway-proteins-in-ameloblastoma-and-calcifying-cystic-odontogenic-tumor
#9
Sabrina-Nogueira Dutra, Fábio-Ramôa Pires, Luciana Armada, Rebeca-Souza Azevedo
BACKGROUND: Wnt/β-catenin signaling pathway is essential for the beginning of odontogenesis and may be involved in the development and progression of some odontogenic tumors. Thus, the aim of this study was to comparatively evaluate the immunohistochemical expression of Wnt/β-catenin signaling pathway proteins in a series of AME and CCOT. MATERIAL AND METHODS: Immunohistochemical reactions were performed using antibodies against Wnt1, Wnt5a and β-catenin in 17 cases of solid AME and 6 cases of CCOT...
January 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28135710/wnt5a-correlates-with-clinicopathological-characteristics-in-gastric-cancer-a-meta-analysis
#10
Seungyoon Nam, Jun-Won Chung, Jun-Young Yang
BACKGROUND/AIMS: Gastric cancer (GC), the third-leading cause of cancer death in the world, is typically diagnosed only in its advanced stages. WNT signaling has been associated with clinicopathological characteristics in diverse cancer types. But the systematic analysis of WNT5A, a member in the signaling, has not been inspected. Thus, our study used a meta-analysis to statistically associate WNT5A expression with GC clinicopathological characteristics. METHODS: For a systematic literature review of GC in combination with the WNT signaling molecule WNT5A, we searched for PubMed, Cochrane Library, and Web of Science...
January 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28131747/mecp2-promotes-gastric-cancer-progression-through-regulating-foxf1-wnt5a-%C3%AE-catenin-and-myod1-caspase-3-signaling-pathways
#11
Lingyu Zhao, Yingxun Liu, Dongdong Tong, Yannan Qin, Juan Yang, Meng Xue, Ning Du, Liying Liu, Bo Guo, Ni Hou, Jia Han, Siyuan Liu, Na Liu, Xiaoge Zhao, Lumin Wang, Yanke Chen, Chen Huang
Methyl-CpG binding protein 2 (MeCP2) has recently been characterized as an oncogene frequently amplified in several types of cancer. However, its precise role in gastric cancer (GC) and the molecular mechanism of MeCP2 regulation are still largely unknown. Here we report that MeCP2 is highly expressed in primary GC tissues and the expression level is correlated with the clinicopathologic features of GC. In our experiments, knockdown of MeCP2 inhibited tumor growth. Molecular mechanism of MeCP2 regulation was investigated using an integrated approach with combination of microarray analysis and chromatin immunoprecipitation sequencing (ChIP-Seq)...
January 17, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28128299/lps-induced-inflammatory-response-is-suppressed-by-wnt-inhibitors-dickkopf-1-and-lgk974
#12
Jaewoong Jang, Yoonju Jung, Youngeun Kim, Eek-Hoon Jho, Yoosik Yoon
In this study, LPS-induced inflammatory responses in BEAS-2B human bronchial epithelial cells and human umbilical vein endothelial cell (HUVEC)s were found to be prevented by Dickkopf-1 (DKK-1), a secreted Wnt antagonist, and LGK974, a small molecular inhibitor of the Wnt secretion. LPS-induced IκB degradation and NF-κB nuclear translocation as well as the expressions of pro-inflammatory genes including IL-6, IL-8, TNF- α, IL-1β, MCP-1, MMP-9, COX-2 and iNOS, were all suppressed by DKK-1 and LGK974 in a dose-dependent manner...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28125717/epigenetic-alterations-affecting-transcription-factors-and-signaling-pathways-in-stromal-cells-of-endometriosis
#13
Iveta Yotova, Emily Hsu, Catherine Do, Aulona Gaba, Matthias Sczabolcs, Sabine Dekan, Lukas Kenner, Rene Wenzl, Benjamin Tycko
Endometriosis is characterized by growth of endometrial-like tissue outside the uterine cavity. Since its pathogenesis may involve epigenetic changes, we used Illumina 450K Methylation Beadchips to profile CpG methylation in endometriosis stromal cells compared to stromal cells from normal endometrium. We validated and extended the Beadchip data using bisulfite sequencing (bis-seq), and analyzed differential methylation (DM) at the CpG-level and by an element-level classification for groups of CpGs in chromatin domains...
2017: PloS One
https://www.readbyqxmd.com/read/28118819/short-bowel-syndrome-results-in-increased-gene-expression-associated-with-proliferation-inflammation-bile-acid-synthesis-and-immune-system-activation-rna-sequencing-a-zebrafish-sbs-model
#14
Kathy A Schall, Matthew E Thornton, Mubina Isani, Kathleen A Holoyda, Xiaogang Hou, Ching-Ling Lien, Brendan H Grubbs, Tracy C Grikscheit
BACKGROUND: Much of the morbidity associated with short bowel syndrome (SBS) is attributed to effects of decreased enteral nutrition and administration of total parenteral nutrition (TPN). We hypothesized that acute SBS alone has significant effects on gene expression beyond epithelial proliferation, and tested this in a zebrafish SBS model. METHODS: In a model of SBS in zebrafish (laparotomy, proximal stoma, distal ligation, n = 29) or sham (laparotomy alone, n = 28) surgery, RNA-Seq was performed after 2 weeks...
January 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28110633/h-k-atpase-inhibition-causes-left-right-aortic-arch-inversion-in-mouse-development
#15
Yukihisa Miyachi
An organ known as a "node" forms during embryogenesis and plays a vital role in determining laterality in vertebrates. However, according to some reports in vertebrates, left-right patterning may be determined long before the node has developed. In this study, we analyzed left-right asymmetry formation in mammals based on ion-signaling factors, which has never been attempted before. First, a proton pump inhibitor was injected into pregnant mice to investigate whether H(+)/K(+)-ATPase is involved in the differentiation of pharyngeal arch arteries during embryonic development...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28105203/polyphyllin-i-inhibits-the-growth-of-ovarian-cancer-cells-in-nude-mice
#16
Linhui Gu, Jianguo Feng, Zhiguo Zheng, Haiyan Xu, Wei Yu
Polyphyllin I (PPI) is an active component in Rhizoma Paridis, which displays extensive pharmacological antitumor activities. In a previous study, we found that polyphyllin I exhibited inhibitory effects on cell growth in the human ovarian cancer HO-8910PM cell line, as well as promoting apoptosis and the inhibition of cell migration. Furthermore, gene expression was also profiled by microarray, which showed that numerous genes were altered by PPI; three genes were of particular note that were associated with tumor progression, namely, Caspase-9, C-jun and Wnt5a...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101190/ror2-inhibits-the-proliferation-of-gastric-carcinoma-cells-via-activation-of-non-canonical-wnt-signaling
#17
Likun Yan, Qingguo Du, Jianfeng Yao, Ruiting Liu
Gastric carcinoma is one of the most common human cancers and has a poor prognosis. Receptor tyrosine kinase-like orphan receptor 2 (ROR2), which is a non-canonical receptor of the Wnt signaling pathway, has been reported to be deregulated in numerous types of human cancers, including gastric carcinoma. However, the exact role of ROR2 in the regulation of the malignant phenotypes of gastric carcinoma, as well as the underlying molecular mechanism, remains largely unclear. The present study demonstrated that ROR2 was recurrently downregulated in gastric carcinoma tissues, as compared with their matched adjacent normal tissues...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100769/the-ubiquitin-like-with-phd-and-ring-finger-domains-1-uhrf1-dna-methyltransferase-1-dnmt1-axis-is-a-primary-regulator-of-cell-senescence
#18
Hyun-Jung Jung, Hae-Ok Byun, Byul A Jee, Seongki Min, Un-Woo Jeoun, Young-Kyoung Lee, Yonghak Seo, Hyun Goo Woo, Gyesoon Yoon
As senescence develops, cells sequentially acquire diverse senescent phenotypes, along with simultaneous multi-stage gene reprogramming. It remains unclear what acts as the key regulator of the collective changes in gene expression at initiation of senescent reprogramming. Here we analysed time-series gene expression profiles obtained in two different senescence models in human diploid fibroblasts (HDF): replicative senescence and H2O2-induced senescence. Our results demonstrated that suppression of DNA methyltransferase 1 (DNMT1)-mediated DNA methylation activity was an initial event prior to the display of senescent phenotypes...
January 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28095260/differential-expression-and-roles-of-secreted-frizzled-related-protein-5-and-the-wingless-homolog-wnt5a-in-periodontitis
#19
T Maekawa, P Kulwattanaporn, K Hosur, H Domon, M Oda, Y Terao, T Maeda, G Hajishengallis
The Wingless/integrase-1 (Wnt) family of protein ligands and their functional antagonists, secreted frizzled-related proteins (sFRPs), regulate various biological processes ranging from embryonic development to immunity and inflammation. Wnt5a and sFRP5 comprise a typical ligand/antagonist pair, and the former molecule was recently detected at the messenger RNA (mRNA) level in human periodontitis. The main objective of this study was to investigate the interrelationship of expression of Wnt5a and sFRP5 in human periodontitis (as compared to health) and to determine their roles in inflammation and bone loss in an animal model...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28069946/wnt5a-is-essential-for-hippocampal-dendritic-maintenance-and-spatial-learning-and-memory-in-adult-mice
#20
Chih-Ming Chen, Lauren L Orefice, Shu-Ling Chiu, Tara A LeGates, Samer Hattar, Richard L Huganir, Haiqing Zhao, Baoji Xu, Rejji Kuruvilla
Stability of neuronal connectivity is critical for brain functions, and morphological perturbations are associated with neurodegenerative disorders. However, how neuronal morphology is maintained in the adult brain remains poorly understood. Here, we identify Wnt5a, a member of the Wnt family of secreted morphogens, as an essential factor in maintaining dendritic architecture in the adult hippocampus and for related cognitive functions in mice. Wnt5a expression in hippocampal neurons begins postnatally, and its deletion attenuated CaMKII and Rac1 activity, reduced GluN1 glutamate receptor expression, and impaired synaptic plasticity and spatial learning and memory in 3-mo-old mice...
January 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
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