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https://www.readbyqxmd.com/read/28718798/co-expression-network-and-pathway-analyses-reveal-important-modules-of-mirnas-regulating-milk-yield-and-component-traits
#1
Duy N Do, Pier-Luc Dudemaine, Ran Li, Eveline M Ibeagha-Awemu
Co-expression network analyses provide insights into the molecular interactions underlying complex traits and diseases. In this study, co-expression network analysis was performed to detect expression patterns (modules or clusters) of microRNAs (miRNAs) during lactation, and to identify miRNA regulatory mechanisms for milk yield and component traits (fat, protein, somatic cell count (SCC), lactose, and milk urea nitrogen (MUN)) via miRNA target gene enrichment analysis. miRNA expression (713 miRNAs), and milk yield and components (Fat%, Protein%, lactose, SCC, MUN) data of nine cows at each of six different time points (day 30 (D30), D70, D130, D170, D230 and D290) of an entire lactation curve were used...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28718684/role-of-gsk-3%C3%AE-in-regulation-of-canonical-wnt-%C3%AE-catenin-signaling-and-pi3-k-akt-oncogenic-pathway-in-colon-cancer
#2
Shelly Jain, Preety Ghanghas, Chandan Rana, S N Sanyal
Non-steroidal anti-inflammatory drugs (NSAIDs) are emerging as novel chemopreventive agents because of their ability in blocking cellular proliferation, and thereby tumor development, and also by promoting apoptosis. GSK-3β, a serine threonine kinase and a negative regulator of the oncogenic Wnt/β-catenin signaling pathway, plays a critical role in the regulation of oncogenesis. Celecoxib and etoricoxib, the two cyclooxygenase-2 (COX-2) selective NSAIDs, and Diclofenac, a preferential COX-2 inhibitory NSAID, had shown uniformly the chemopreventive and anti-neoplastic effects in the early stage of colon cancer by promoting apoptosis as well as an over-expression of GSK-3β while down-regulating the PI3-K/Akt oncogenic pathway...
July 18, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28718442/wnt-planar-cell-polarity-signaling-new-opportunities-for-cancer-treatment
#3
REVIEW
Avais M Daulat, Jean-Paul Borg
Cancer cells are addicted to a large spectrum of extracellular cues implicated in initiation, stem cell renewal, tumor growth, dissemination in the body, and resistance to treatment. Wingless/Int-1 (Wnt) ligands and their associated signaling cascades contribute to most of these processes, paving the way for opportunities in therapeutic development. The developmental Wnt/planar cell polarity (PCP) pathway is the most recently described branch of Wnt signaling strongly implicated in cancer development at early and late stages...
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718366/long-non-coding-rna-ccat2-promotes-cell-proliferation-and-invasion-through-regulating-wnt-%C3%AE-catenin-signaling-pathway-in-clear-cell-renal-cell-carcinoma
#4
Jian-Lin Huang, Yong Liao, Ming-Xing Qiu, Jun Li, Yu An
Clear cell renal cell carcinoma (ccRCC) is a common urologic malignancy. Long non-coding RNA colon cancer-associated transcript 2 (CCAT2) has been suggested as serving pivotal roles in tumorigenesis. However, the clinical significance and biological role of CCAT2 in ccRCC remains elusive. The purpose of this study is to identify the function of CCAT2 in ccRCC and its possible molecular mechanism. Expression of CCAT2 was analyzed in 61 ccRCC tissues and two ccRCC cell lines (786-O and ACHN) by quantitative reverse transcription polymerase chain reaction...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28718066/the-preventive-effects-of-taurine-on-neural-tube-defects-through-the-wnt-pcp-jnk-dependent-pathway
#5
Qinghua Zhang, Yang Liu, Hui Wang, Li Ma, Hechun Xia, Jianguo Niu, Tao Sun, Li Zhang
The aim of this study was to clarify the protective role of taurine in neuronal apoptosis and the role of the Wnt/PCP-Jnk pathway in mediating the preventive effects of taurine on neural tube defects (NTDs). HT-22 cells (a hippocampal neuron cell line) were divided into a control group, a glutamate-induced apoptosis group, and glutamate (4.0 mmol/L) plus low-dose taurine (L; 0.5 mmol/L) and high-dose taurine (H; 2.0 mmol/L) groups. The MTT assay was used to monitor cell proliferation and cell survival. Immunofluorescence and Western blot analyses were used to determine caspase 9 expression...
July 17, 2017: Amino Acids
https://www.readbyqxmd.com/read/28717346/inflammatory-wnt5a-signalling-pathways-affecting-barrier-function-of-human-vascular-endothelial-cells
#6
Tom Skaria, Gabriele Schoedon
Wnt5A is a chemokine secreted by inflammatory-activated human macrophages that sustains their inflammatory response in an autocrine manner. High levels of Wnt5A are found in sera of patients with sepsis and septic shock. Here, we comment on recently reported Wnt5A signalling pathways in human vascular endothelial cells (VEC). In human VEC, Wnt5A regulates cytoskeleton remodelling and barrier function through Ryk receptor and Rho-associated protein serine/threonine kinase, targeting LIMK2 and CFL1 involved in actin polymerisation...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28717180/a-three-mirnas-signature-predicts-survival-in-cervical-cancer-using-bioinformatics-analysis
#7
Bin Liang, Yunhui Li, Tianjiao Wang
Growing evidences showed that a large number of miRNAs were abnormally expressed in cervical cancer tissues and played irreplaceable roles in tumorigenesis, progression and metastasis. The aim of the present study was to identify the differential miRNAs expression between cervical cancer and normal cervical tissues by analyzing the high-throughput miRNA data downloaded from TCGA database. Additionally, we evaluated the prognostic values of the differentially expressed miRNAs and constructed a three-miRNA signature that could effectively predict patient survival...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716720/met-signaling-mediates-intestinal-crypt-villus-development-regeneration-and-adenoma-formation-and-is-promoted-by-stem-cell-cd44-isoforms
#8
Sander P J Joosten, Jurrit Zeilstra, Harmen van Andel, R Clinton Mijnals, Joost Zaunbrecher, Annet A M Duivenvoorden, Marc van de Wetering, Hans Clevers, Marcel Spaargaren, Steven T Pals
BACKGROUND & AIMS: Resistance of metastatic human colorectal cancer cells to drugs that block epidermal growth factor receptor (EGFR) signaling could be caused by aberrant activity of other receptor tyrosine kinases, activating overlapping signaling pathways. One of these receptor tyrosine kinases could be MET, the receptor for hepatocyte growth factor (HGF). We investigated how MET signaling, and its interaction with CD44 (a putative MET co-receptor regulated by Wnt signaling and highly expressed by intestinal stem cells [ISCs] and adenomas) affects intestinal homeostasis, regeneration, and adenoma formation in mini-gut organoids and mice...
July 14, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28716607/seven-pass-cadherins-celsr1-3
#9
REVIEW
Andre M Goffinet, Fadel Tissir
Cadherin EGF LAG seven-pass G-type receptors 1, 2 and 3 (CELSR1-3) form a family of three atypical cadherins with multiple functions in epithelia and in the nervous system. During the past decade, evidence has accumulated for a key role of CELSR1 in epithelial planar cell polarity (PCP), and for CELSR2 and CELSR3 in ciliogenesis and neural development, especially neuron migration and axon guidance in the central, peripheral and enteric nervous systems. Phenotypes in mutant mice indicate that CELSR proteins work in concert with FZD3 and FZD6, but several questions remain...
July 14, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28716029/foxp3-promotes-tumor-growth-and-metastasis-by-activating-wnt-%C3%AE-catenin-signaling-pathway-and-emt-in-non-small-cell-lung-cancer
#10
Shucai Yang, Yi Liu, Ming-Yue Li, Calvin S H Ng, Sheng-Li Yang, Shanshan Wang, Chang Zou, Yujuan Dong, Jing Du, Xiang Long, Li-Zhong Liu, Innes Y P Wan, Tony Mok, Malcolm J Underwood, George G Chen
BACKGROUND: The role of cancer cell FOXP3 in tumorigenesis is conflicting. We aimed to study FOXP3 expression and regulation, function and clinical implication in human non-small cell lung cancer (NSCLC). METHODS: One hundred and six patients with histologically-confirmed NSCLC who underwent surgery were recruited for the study. Tumor samples and NSCLC cell lines were used to examine FOXP3 and its related molecules. Various cell functions related to tumorigenesis were performed...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28715796/application-of-long-noncoding-rnas-in-osteosarcoma-biomarkers-and-therapeutic-targets
#11
Zhihong Li, Pengcheng Dou, Tang Liu, Shasha He
Osteosarcoma is the most common primary bone malignancy in children and adolescents. Although improvements in therapeutic strategies were achieved, the outcome remains poor for most patients with metastatic or recurrent osteosarcoma. Therefore, it is imperative to identify novel and effective prognostic biomarker and therapeutic targets for the disease. Long noncoding RNAs (lncRNAs) are a novel class of RNA molecules defined as transcripts >200 nucleotides that lack protein coding potential. Many lncRNAs are deregulated in cancer and are important regulators for malignancies...
July 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28715139/uvb-exposure-of-a-humanized-skin-model-reveals-unexpected-dynamic-of-keratinocyte-proliferation-and-wnt-inhibitor-balancing
#12
Teresa Michalczyk, Thomas Biedermann, Sophie Böttcher-Haberzeth, Agnes S Klar, Martin Meuli, Ernst Reichmann
We developed human dermo-epidermal skin substitutes which are presently applied in phase I and II clinical trials. Here we used these very same skin equivalents containing melanocytes, named MelSkin, as an experimental skin model. We investigated the effects of UVB irradiation on the skin grafts transplanted on immune-compromised rats. The irradiation induces a strong wound healing response going along with massive proliferation of basal keratinocytes, basically quiescent under non-irradiated, homeostatic conditions...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28714964/inhibition-of-wnt-signaling-attenuates-self-renewal-of-shh-subgroup-medulloblastoma
#13
J Rodriguez-Blanco, L Pednekar, C Penas, B Li, V Martin, J Long, E Lee, W A Weiss, C Rodriguez, N Mehrdad, D M Nguyen, N G Ayad, P Rai, A J Capobianco, D J Robbins
The SMOOTHENED inhibitor vismodegib is FDA approved for advanced basal cell carcinoma (BCC), and shows promise in clinical trials for SONIC HEDGEHOG (SHH)-subgroup medulloblastoma (MB) patients. Clinical experience with BCC patients shows that continuous exposure to vismodegib is necessary to prevent tumor recurrence, suggesting the existence of a vismodegib-resistant reservoir of tumor-propagating cells. We isolated such tumor-propagating cells from a mouse model of SHH-subgroup MB and grew them as sphere cultures...
July 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28714958/roles-of-grainyhead-like-transcription-factors-in-cancer
#14
REVIEW
S M Frisch, J C Farris, P M Pifer
The mammalian homologs of the D. melanogaster Grainyhead gene, Grainyhead-like 1-3 (GRHL1, GRHL2 and GRHL3), are transcription factors implicated in wound healing, tubulogenesis and cancer. Their induced target genes encode diverse epithelial cell adhesion molecules, while mesenchymal genes involved in cell migration and invasion are repressed. Moreover, GRHL2 suppresses the oncogenic epithelial-mesencyhmal transition, thereby acting as a tumor suppressor. Mechanisms, some involving established cancer-related signaling/transcription factor pathways (for example, Wnt, TGF-β, mir200, ZEB1, OVOL2, p63 and p300) and translational implications of the Grainyhead proteins in cancer are discussed in this review article...
July 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28714273/%C3%AE-catenin-regulation-of-farnesoid-x-receptor-signaling-and-bile-acid-metabolism-during-murine-cholestasis
#15
Michael D Thompson, Akshata Moghe, Pamela Cornuet, Rebecca Marino, Jianmin Tian, Pengcheng Wang, Xiaochao Ma, Marc Abrams, Joseph Locker, Satdarshan P S Monga, Kari Nejak-Bowen
Cholestatic liver diseases result from impaired bile flow and are characterized by inflammation, atypical ductular proliferation (ADP), and fibrosis. The Wnt/β-catenin pathway plays a role in bile duct development, yet its role in cholestatic injury remains indeterminate. Liver-specific β-catenin knockout (KO) mice and wild-type (WT) littermates were subjected to cholestatic injury via bile duct ligation or short-term exposure to 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) diet. Intriguingly, KO exhibit a dramatic protection from liver injury, fibrosis, and ADP, which coincided with significantly decreased total hepatic bile acids (BA)...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28714032/atf3-promotes-migration-and-m1-m2-polarization-of-macrophages-by-activating-tenascin%C3%A2-c-via-wnt-%C3%AE-%C3%A2-catenin-pathway
#16
Hao Sha, Dianzhong Zhang, Yunfei Zhang, Yanhua Wen, Yucai Wang
There are different polarization states of macrophages, including the classically activated M1 phenotype and the alternatively activated M2 phenotype. These have different functions in the inflammation process. Activating transcription factor 3 (ATF3) is a key transcriptional regulator that inhibits the inflammatory response. However, the effects of ATF3 on migration and anti‑inflammatory control mechanisms of macrophages have not been thoroughly investigated. The present study investigated the effect of ATF3 on macrophage migration and M1/M2 polarization...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28714009/microrna-202-inhibits-cell-proliferation-migration-and-invasion-of-glioma-by-directly-targeting-metadherin
#17
Jinsheng Yang, Bo Fan, Yachao Zhao, Junchao Fang
Glioma is the most common and aggressive type of primary malignant brain tumour. Increasing evidence has revealed that microRNAs play important roles in multiple biological processes related to glioma occurrence, development, diagnosis, treatment and prognosis. MicroRNA-202 (miR-202) has been studied in several types of human cancer, whereas the biological roles of miR-202 in glioma remain unknown. The present study, aimed to investigate the expression, clinical significance and biological roles of miR-202 in glioma, as well as its underlying molecular mechanism...
July 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713974/mirna-125b-regulates-apoptosis-of-human-non-small-cell-lung-cancer-via-the-pi3k-akt-gsk3%C3%AE-signaling-pathway
#18
Yingyi Wang, Ming Zhao, Jieying Liu, Zhao Sun, Jianjiao Ni, Hongsheng Liu
The present investigation demonstrated that regulation of microRNA (miR)-125b affected the apoptosis of human non-small cell lung cancer (NSCLC) through targeting of the PI3K/Akt and Wnt/β-catenin signaling pathways. The expression of miR-125b was assessed in patients with NSCLC, which demonstrated that miR-125b expression in NSCLC tissue was higher than that in para-carcinoma tissue. Furthermore, survival analysis of patients with NSCLC over 3 years indicated that the overall survival (OS) and disease-free survival (DFS) rates of patients with low miR-125b expression were higher than those of patients with high miR-125b expression...
July 12, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713928/upregulation-of-wnt-signaling-under-hypoxia-promotes-lung-cancer-progression
#19
Chun-Fu Hong, Wei-You Chen, Cheng-Wen Wu
The hypoxic tumor microenvironment induces epithelial-mesenchymal transition (EMT) in tumor cells and increases tumor cell malignancy. Previous studies indicated that malfunction of Wnt signaling is observed in some lung cancer patients. Athough crosstalk between hypoxia and Wnt signaling in tumor cells has recently been revealed, the detailed underlying mechanisms have not been well defined. In the present study, we demonstrated that hypoxia in lung adenocarcinoma cells can enhance Wnt signaling activity by stabilizing β-catenin and altering its localization into the nucleus...
July 12, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713553/the-evolution-of-medulloblastoma-therapy-to-personalized-medicine
#20
REVIEW
Soma Sengupta, Daniel Pomeranz Krummel, Scott Pomeroy
Recent advances in cancer genomics have revolutionized the characterization and classification of medulloblastomas. According to the current WHO guidelines, medulloblastomas are now classified into the following molecularly defined groups: Wnt signaling pathway (WNT)-activated, sonic hedgehog signaling pathway (SHH)-activated and tumor suppressor protein p53 (TP53)-mutant, SHH-activated and TP53-wildtype, and non-WNT/non-SHH (i.e. group 3 and group 4). Importantly, genomic, epigenomic, and proteomic advances have created a potential paradigm shift in therapeutic options...
2017: F1000Research
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