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https://www.readbyqxmd.com/read/29345412/wnt5a-promotes-migration-and-invasion-of-human-osteosarcoma-cells-via-src-erk-mmp-14-pathway
#1
Xingwen Wang, Xin Zhao, Zhigang Yi, Bing Ma, Hong Wang, Yanchuan Pu, Jing Wang, Shuanke Wang
WNT5A, a representative ligand of activating several non-canonical Wnt signal pathways, plays significant roles in oncogenesis and tumor inhibition. It has been shown that the non-receptor tyrosine kinase SRC is required for WNT5A-induced invasion of osteosarcoma cells. However, the precise molecular mechanism underlying WNT5A/SRC-mediated osteosarcoma cells invasion remains poorly defined. The study was designed to explore the role of ERK1/2 in WNT5A/SRC-induced osteosarcoma cells invasion and the downstream target of the SRC/ERK1/2 signalings...
January 18, 2018: Cell Biology International
https://www.readbyqxmd.com/read/29344152/regulation-of-autophagy-inhibition-and-inflammatory-response-in-glioma-by-wnt-signaling-pathway
#2
Tongxin Wang, Zhixia Chen, Wei Zhang
The objective of this study was to investigate the mechanism of the function of Wnt signaling pathway in regulating autophagy and inflammatory response in glioma cells. Human brain glioma cells U118 were selected and divided into three groups: i) the Wnt signaling inhibitor IWR-1 group (the observation group); ii) the PBS negative control group (the PBS group) and iii) the blank control group. After 24 h culture, Wnt5a/β-catenin protein, autophagy marker, microtubule-associated-proteins-1A1B-light-chain-3C (LC-3) II and Beclin I, and inflammatory factors IL-6 and TNF-α protein expression levels were evaluated using western blotting...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344118/shisa2-enhances-the-aggressive-phenotype-in-prostate-cancer-through-the-regulation-of-wnt5a-expression
#3
Kenji Tamura, Mutsuo Furihata, Hirofumi Satake, Hatsune Hashida, Chiaki Kawada, Hiroto Osakabe, Hideo Fukuhara, Naoko Kumagai, Tatsuo Iiyama, Taro Shuin, Keiji Inoue
The present study aimed at identifying novel molecular cancer drug targets and biomarkers by analyzing the gene expression profiles of high-grade prostate cancer (PC), using a cDNA microarray combined with laser microbeam microdissection. A number of genes were identified that were transactivated in high-grade PC. First, a novel molecular target and diagnostic biomarker, shisa family member 2 (SHISA2), was identified as an overexpressed gene in high-grade PC cells. The reverse transcription-semi-quantitative polymerase chain reaction and immunohistochemical analysis validated the overexpression of SHISA2 (295 amino acids in length), specifically in high-grade PC cells with Gleason scores of between 8 and 10, relative to normal prostate epithelium...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343435/paracrine-wnt5a-%C3%AE-catenin-signaling-triggers-a-metabolic-program-that-drives-dendritic-cell-tolerization
#4
Fei Zhao, Christine Xiao, Kathy S Evans, Tbalamayooran Theivanthiran, Nicholas DeVito, Alisha Holtzhausen, Juan Liu, Xiaojing Liu, David Boczkowski, Smita Nair, Jason W Locasale, Brent A Hanks
Despite recent advances, many cancers remain refractory to available immunotherapeutic strategies. Emerging evidence indicates that the tolerization of local dendritic cells (DCs) within the tumor microenvironment promotes immune evasion. Here, we have described a mechanism by which melanomas establish a site of immune privilege via a paracrine Wnt5a-β-catenin-peroxisome proliferator-activated receptor-γ (PPAR-γ) signaling pathway that drives fatty acid oxidation (FAO) in DCs by upregulating the expression of the carnitine palmitoyltransferase-1A (CPT1A) fatty acid transporter...
January 16, 2018: Immunity
https://www.readbyqxmd.com/read/29339085/wnt5a-mediates-chronic-post-thoracotomy-pain-by-regulating-non-canonical-pathways-nerve-regeneration-and-inflammation-in-rats
#5
Afang Zhu, Le Shen, Li Xu, Weiyun Chen, Yuguang Huang
As well-characterized ligands involved in neurogenesis, Wnts are emerging as promising targets in pain pathogenesis. Our previous pilot study showed that intrathecal inhibition of Wnt5a, but not Wnts, relieves chronic post-thoracotomy pain (CPTP) in rats. In the present study, we aimed to further explore the regulatory mechanism of Wnt5a in CPTP development. Increased protein levels of Wnt5a, transmembrane receptor Ror2, and activated non-canonical Wnt pathway members were found in the thoracic dorsal root ganglions from postoperative day (POD) 7 to POD 21...
January 12, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29336472/baicalin-increases-hair-follicle-development-by-increasing-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-and-activating-dermal-papillar-cells-in-mice
#6
Fei Xing, Wen-Juan Yi, Fang Miao, Meng-Yun Su, Tie-Chi Lei
Baicalin is a traditional Chinese herbal medicine commonly used for hair loss, the precise molecular mechanism of which is unknown. In the present study, the mechanism of baicalin was investigated via the topical application of baicalin to reconstituted hair follicles on mice dorsa and evaluating the effect on canonical Wnt/β‑catenin signaling in the hair follicles and the activity of dermal papillar cells. The results indicate that baicalin stimulates the expression of Wnt3a, Wnt5a, frizzled 7 and disheveled 2 whilst inhibiting the Axin/casein kinase 1α/adenomatous polyposis coli/glycogen synthase kinase 3β degradation complex, leading to accumulation of β‑catenin and activation of Wnt/β‑catenin signaling...
January 16, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29323050/long-non-coding-rna-nonmmug014387-promotes-schwann-cell-proliferation-after-peripheral-nerve-injury
#7
Bin Pan, Zhong-Ju Shi, Jia-Yin Yan, Jia-He Li, Shi-Qing Feng
Schwann cells play a critical role in peripheral nerve regeneration through dedifferentiation and proliferation. In a previous study, we performed microarray analysis of the sciatic nerve after injury. Accordingly, we predicted that long non-coding RNA NONMMUG014387 may promote Schwann cell proliferation after peripheral nerve injury, as bioinformatic analysis revealed that the target gene of NONMMUG014387 was collagen triple helix repeat containing 1 (Cthrc1). Cthrc1 may promote cell proliferation in a variety of cells by activating Wnt/PCP signaling...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29320953/spaceflight-activates-protein-kinase-c-alpha-signaling-and-modifies-the-developmental-stage-of-human-neonatal-cardiovascular-progenitor-cells
#8
Jonathan Baio, Aida F Martinez, Leonard L Bailey, Nahidh Hasaniya, Michael Pecaut, Mary Kearns-Jonker
Spaceflight impacts cardiovascular function in astronauts; however, its impact on cardiac development and the stem cells that form the basis for cardiac repair is unknown. Accordingly, further research is needed to uncover the potential relevance of such changes to human health. Using simulated microgravity (SMG) generated via two-dimensional clinorotation and culture aboard the International Space Station (ISS), we assessed the effects of mechanical unloading on human neonatal cardiovascular progenitor cell (CPC) developmental properties and signaling...
January 10, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29297345/model-checking-optimal-finite-horizon-control-for-probabilistic-gene-regulatory-networks
#9
Ou Wei, Zonghao Guo, Yun Niu, Wenyuan Liao
BACKGROUND: Probabilistic Boolean networks (PBNs) have been proposed for analyzing external control in gene regulatory networks with incorporation of uncertainty. A context-sensitive PBN with perturbation (CS-PBNp), extending a PBN with context-sensitivity to reflect the inherent biological stability and random perturbations to express the impact of external stimuli, is considered to be more suitable for modeling small biological systems intervened by conditions from the outside. In this paper, we apply probabilistic model checking, a formal verification technique, to optimal control for a CS-PBNp that minimizes the expected cost over a finite control horizon...
December 14, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29286164/differential-effects-of-wnt5a-on-the-proliferation-differentiation-and-inflammatory-response-of-keratinocytes
#10
Wenming Wang, Xiaoling Yu, Chao Wu, Hongzhong Jin
The predominant role of Wnt family member 5A (Wnt5a) is to induce non-canonical Wnt signalling pathways, including the Wnt‑Ca2+ and Wnt‑planar cell polarity pathways. Enhanced Wnt5a expression is involved in the formation of psoriatic plaques; however, its mechanistic role remains to be determined. In the present study, the effects of Wnt5a expression on HaCaT keratinocytes were investigated. HaCaT cells were cultured in medium supplemented with 0, 40 or 80 ng/ml Wnt5a for 24 h. Cell proliferation, the cell cycle, gene expression and inflammatory responses were investigated using Cell‑Counting Kit‑8 assays, flow cytometry analyses, reverse transcription‑quantitative polymerase chain reaction analyses and enzyme‑linked immunosorbent assays, respectively...
December 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29276006/wnt-signaling-perturbations-underlie-the-genetic-heterogeneity-of-robinow-syndrome
#11
Janson J White, Juliana F Mazzeu, Zeynep Coban-Akdemir, Yavuz Bayram, Vahid Bahrambeigi, Alexander Hoischen, Bregje W M van Bon, Alper Gezdirici, Elif Yilmaz Gulec, Francis Ramond, Renaud Touraine, Julien Thevenon, Marwan Shinawi, Erin Beaver, Jennifer Heeley, Julie Hoover-Fong, Ceren D Durmaz, Halil Gurhan Karabulut, Ebru Marzioglu-Ozdemir, Atilla Cayir, Mehmet B Duz, Mehmet Seven, Susan Price, Barbara Merfort Ferreira, Angela M Vianna-Morgante, Sian Ellard, Andrew Parrish, Karen Stals, Josue Flores-Daboub, Shalini N Jhangiani, Richard A Gibbs, Han G Brunner, V Reid Sutton, James R Lupski, Claudia M B Carvalho
Locus heterogeneity characterizes a variety of skeletal dysplasias often due to interacting or overlapping signaling pathways. Robinow syndrome is a skeletal disorder historically refractory to molecular diagnosis, potentially stemming from substantial genetic heterogeneity. All current known pathogenic variants reside in genes within the noncanonical Wnt signaling pathway including ROR2, WNT5A, and more recently, DVL1 and DVL3. However, ∼70% of autosomal-dominant Robinow syndrome cases remain molecularly unsolved...
December 16, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29249801/foxc1-induced-non-canonical-wnt5a-mmp7-signaling-regulates-invasiveness-in-triple-negative-breast-cancer
#12
Bingchen Han, Bo Zhou, Ying Qu, Bowen Gao, Yali Xu, Stacey Chung, Hisashi Tanaka, Wei Yang, Armando E Giuliano, Xiaojiang Cui
Triple-negative breast cancer (TNBC) has high rates of local recurrence and distant metastasis, partially due to its high invasiveness. The Forkhead box C1 (FOXC1) transcription factor has been shown to be specifically overexpressed in TNBC and associated with poor clinical outcome. How TNBC's high invasiveness is driven by FOXC1 and its downstream targets remains poorly understood. In the present study, pathway-specific PCR array assays revealed that WNT5A and matrix metalloproteinase-7 (MMP7) were upregulated by FOXC1 in TNBC cells...
December 18, 2017: Oncogene
https://www.readbyqxmd.com/read/29245976/gsdma3-regulates-hair-follicle-differentiation-via-wnt5a-mediated-non-canonical-wnt-signaling-pathway
#13
Long He, Mingxing Lei, Yizhan Xing, Yuhong Li, Chunyan Hu, Peixing Chen, Xiaohua Lian, Tian Yang, Wanqian Liu, Li Yang
Hair follicle is a mini-organ that consists of complex but well-organized structures, which are differentiated from hair follicle progenitor or stem cells. How non-canonical Wnt signaling pathway is involved in regulating hair follicle differentiation remains elusive. Here we showed that Wnt5a regulates hair follicle differentiation through an epithelial-mesenchymal interaction mechanism in mice. We first observed that Wnt5a is expressed in the epithelial and dermal papilla cells during hair follicle development and growth...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29229927/activation-of-non-canonical-wnt-signaling-in-human-visceral-adipose-tissue-contributes-to-local-and-systemic-inflammation
#14
María A Zuriaga, José J Fuster, Melissa G Farb, Susan MacLauchlan, Rosa Bretón-Romero, Shakun Karki, Donald T Hess, Caroline M Apovian, Naomi M Hamburg, Noyan Gokce, Kenneth Walsh
The accumulation of visceral adiposity is strongly associated with systemic inflammation and increased cardiometabolic risk. WNT5A, a non-canonical WNT ligand, has been shown to promote adipose tissue inflammation and insulin resistance in animal studies. Among other non-canonical pathways, WNT5A activates planar cell polarity (PCP) signaling. The current study investigated the potential contribution of non-canonical WNT5A/PCP signaling to visceral adipose tissue (VAT) inflammation and associated metabolic dysfunction in individuals with obesity...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29217753/wnt-inhibition-promotes-vascular-specification-of-embryonic-cardiac-progenitors
#15
David Reichman, Laura Park, Limor Man, David Redmond, Kenny Chao, Richard P Harvey, Makoto M Taketo, Zev Rosenwaks, Daylon James
Several studies have demonstrated a multiphasic role for Wnt signaling during embryonic cardiogenesis (Naito et al., 2006; Qyang et al., 2007) and developed protocols that enrich for cardiac derivatives during in vitro differentiation of human pluripotent stem cells (hPSC) (Elliott et al., 2011; Iyer et al., 2016; Lian et al., 2012; Paige et al., 2010; Willems et al., 2011; Witty et al., 2014), however, few studies have investigated the role of Wnt signaling in specification of cardiac progenitor cells (CPC) toward downstream fates...
December 7, 2017: Development
https://www.readbyqxmd.com/read/29213214/ror2-receptor-promotes-the-migration-of-osteosarcoma-cells-in-response-to-wnt5a
#16
Bin Dai, Ting Yan, Ailiang Zhang
Background: We have reported that the phosphatidylinositol-3 kinase (PI3K)/Akt/RhoA signaling pathway mediates Wnt5a-induced cell migration of osteosarcoma cells. However, the specific receptors responding to Wnt5a ligand remain poorly defined in osteosarcoma metastasis. Methods: Wound healing assays were used to measure the migration rate of osteosarcoma cells transfected with shRNA or siRNA specific against ROR2 or indicated constructs. We evaluated the RhoA activation in osteosarcoma MG-63 and U2OS cells with RhoA activation assay...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29212200/cell-free-dna-promoter-hypermethylation-in-plasma-as-a-predictive-marker-for-survival-of-patients-with-pancreatic-adenocarcinoma
#17
Stine Dam Henriksen, Poul Henning Madsen, Anders Christian Larsen, Martin Berg Johansen, Inge Søkilde Pedersen, Henrik Krarup, Ole Thorlacius-Ussing
Introduction: Few prognostic biomarkers are available for pancreatic cancer. The aim of this study is to examine the correlation between the survival of pancreatic adenocarcinoma patients and hypermethylated genes in plasma-derived cell-free DNA. Methods: Consecutive patients with pancreatic adenocarcinoma were prospectively included and staged according to the TNM classification. Methylation-specific PCR of 28 genes was conducted. A survival prediction model independent of cancer stage and stage-specific survival prediction models were developed by multivariable Cox regression analysis using backward stepwise selection...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29207169/daam1-activates-rhoa-to-regulate-wnt5a%C3%A2-induced-glioblastoma-cell-invasion
#18
Guiyang Liu, Ting Yan, Xiaorong Li, Jianhui Sun, Bo Zhang, Hongjie Wang, Yichao Zhu
The signaling pathway of dishevelled-associated activator of morphogenesis 1 (Daam1) triggered by Wnt5a drives cell movement and migration during breast cancer metastasis. However, Wnt5a signaling in glioblastoma progression remains poorly defined. Wnt5a expression and activations of RhoA, Cdc42, and Rac1 were detected in human glioblastoma tissues by using ELISA assays and small G-protein activation assays, respectively. The cell invasion rate and Daam1 activation of glioblastoma U251 and T98MG cells were determined by cell invasion assays and pull-down assays, respectively...
December 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29207102/lncrna-tug1-serves-an-important-role-in-hypoxia-induced-myocardial-cell-injury-by-regulating-the-mir%C3%A2-145%C3%A2-5p%C3%A2-binp3-axis
#19
Zhongwei Wu, Shengji Zhao, Chunfu Li, Chaoquan Liu
The aim of the present study was to investigate the function of long non‑coding RNA TUG1 in hypoxia‑induced myocardial cell injury and to explore the potential molecular mechanisms. The cardiomyocyte cell line H9c2 was cultured under hypoxic and normoxic conditions. TUG1 expression under hypoxic conditions was then detected. The effects of TUG1 overexpression on viability, apoptosis, migration and invasion were assayed. In addition, the microRNA (miR)‑145‑5p expression was detected. Following H9c2 cell transfection with miR‑145‑5p mimics, the H9c2 cell viability, apoptosis, migration and invasion were also detected...
November 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29201214/sirt1-regulates-apoptosis-and-extracellular-matrix-degradation-in-resveratrol-treated-osteoarthritis-chondrocytes-via-the-wnt-%C3%AE-catenin-signaling-pathways
#20
Shuan Liu, Hongping Yang, Bing Hu, Mingyong Zhang
Osteoarthritis (OA) has become a major public health problem with the increased aging population. Previous studies have demonstrated that resveratrol (RES) was able to increase the level of sirtuin 1 (Sirt1) in OA chondrocytes. However, further investigations are required to elucidate the precise molecular mechanism of RES and the potential link between Sirt1 and RES. Therefore, the present study used 30 clinical OA chondrocyte to examine chondrocyte viability, apoptosis rate and the mRNA and protein expression levels of Sirt1 and relevant genes implicated in apoptosis, extracellular matrix (ECM) degradation and Wnt/β-catenin signaling pathway...
November 2017: Experimental and Therapeutic Medicine
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