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https://www.readbyqxmd.com/read/28629798/proteomic-analysis-of-mesenchymal-to-schwann-cell-transdifferentiation
#1
Anup D Sharma, Jayme Wiederin, Metin Uz, Pawel Ciborowski, Surya K Mallapragada, Howard E Gendelman, Donald S Sakaguchi
While transplantation of Schwann cells facilitates axon regeneration, remyelination and repair after peripheral nerve injury clinical use is limited by cell bioavailability. We posit that such limitation in cell access can be overcome by the use of autologous bone-marrow derived mesenchymal stem cells (MSCs). As MSCs can transdifferentiate to Schwann cell-phenotypes and accelerate nerve regeneration we undertook proteomic evaluation of the cells to uncover the protein contents that affects Schwann cell formulation...
June 16, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28627699/mir-30a-inhibits-glioma-progression-and-stem-cell%C3%A2-like-properties-by-repression-of-wnt5a
#2
Yonghong Zhang, Zhi Wu, Lichao Li, Min Xie
miR-30a has been found to be dysregulated in diverse cancers and involved in the regulation of tumor progression. However, there is scarce research on the role of miR-30a in glioma. In the present study, we assessed the expression level of miR-30a in glioma tissues and cell lines. The microRNA microarray analysis revealed low expression of miR-30a in glioma tissues and cells vs. the control. Furthermore, we found that stable miR-30a inhibited cell proliferation, G1 phase arrest and stem cell-like formation in glioma...
June 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627675/distinctive-crypt-shape-in-a-sessile-serrated-adenoma-polyp-distribution-of-ki67-p16ink4a-wnt5a-positive-cells-and-intraepithelial-lymphocytes
#3
Kenji Hisamatsu, Kei Noguchi, Hiroyuki Tomita, Aoi Muto, Natsumi Yamada, Kazuhiro Kobayashi, Akihiro Hirata, Tomohiro Kanayama, Ayumi Niwa, Kazuhisa Ishida, Takayuki Nakashima, Yuichiro Hatano, Natsuko Suzui, Tatsuhiko Miyazaki, Akira Hara
Serrated lesions in the colorectum are currently predominantly classified as hyperplastic polyps (HPs), sessile serrated adenomas/polyps (SSA/Ps), and traditional serrated adenomas (TSAs) according to their morphology. However, the histological morphology and the molecular changes in the serrated lesions are still unclear. We performed immunohistochemistry for Ki67, p16INK4a, and WNT5A in human HPs (n=22), SSA/Ps (n=41), and TSAs (n=19). The distribution of Ki67 and p16INK4a positive cells in TSAs was different from that in HPs and SSA/Ps...
June 15, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28624363/brazilian-red-propolis-effects-on-peritoneal-macrophage-activity-nitric-oxide-cell-viability-pro-inflammatory-cytokines-and-gene-expression
#4
Bruno Bueno-Silva, Dione Kawamoto, Ellen S Ando-Suguimoto, Renato C V Casarin, Severino M Alencar, Pedro L Rosalen, Marcia P A Mayer
ETHNOPHARMACOLOGICAL RELEVANCE: Propolis has been used in folk medicine since ancient times and it presented inhibitory effect on neutrophil recruitment previously. However, its effect on macrophage obtained from mice remains unclear. AIM OF THE STUDY: to demonstrate BRP effects on LPS activated peritoneal macrophage. MATERIALS AND METHODS: Peritoneal macrophages, obtained from C57BL6 mice and activated with LPS, were treated with 50 to 80µg/mL of crude extract of Brazilian red propolis (BRP) during 48hours...
June 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28615692/wnt5a-is-associated-with-right-ventricular-dysfunction-and-adverse-outcome-in-dilated-cardiomyopathy
#5
Aurelija Abraityte, Ida G Lunde, Erik T Askevold, Annika E Michelsen, Geir Christensen, Pål Aukrust, Arne Yndestad, Arnt Fiane, Arne Andreassen, Svend Aakhus, Christen P Dahl, Lars Gullestad, Kaspar Broch, Thor Ueland
The Wingless (Wnt) pathway has been implicated in the pathogenesis of dilated cardiomyopathy (DCM). To explore the role of Wnt modulators Wnt5a and sFRP3 in DCM patients we analyzed the expression of Wnt5a and sFRP3 in plasma and myocardium of DCM patients and evaluated their effects on NFAT luciferase activity in neonatal mouse cardiomyocytes. Elevated circulating Wnt5a (n = 102) was associated with increased pulmonary artery pressures, decreased right ventricular function and adverse outcome, with a stronger association in more severely affected patients...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28612551/-preliminary-study-on-the-wnt5a-expression-in-obese-mice-with-hepatocellular-carcinoma
#6
He He, Li-Bo Liang, Xia Wang, Xiu-Xuan Wang, Yi-Tian Wu, Shuang-Qing Li, Zhen-Mei An
OBJECTIVES: To investigate the Wnt5a expression in obese mice with hepatocellular carcinoma. METHODS: Two groups of 6-week C57BL/6J mice were fed with chow-diet and high-fat-diet for 8 weeks respectively, to establish obesity model in the latter group. Mice in Hepal-6 group (including normal-body mass mice and obese mice) were injected with Hepa1-6 hepatocarcinoma cell lines through caudal vein, while the controls were given NS. Serum and tissue samples were taken at the age of 18 weeks for serological and morphological study...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28612550/-serum-wnt5a-and-its-associations-with-liver-steatosis-and-fibrosis-in-overweight-and-obese-people
#7
Li-Bo Liang, Xia Wang, He He, Yun Gao, Dan Jia, Zhen-Mei An, Shuang-Qing Li
OBJECTIVES: To determine serum Wnt5a and its associations with liver steatosis and fibrosis in overweight and obese people. METHODS: The study participants were recruited from those who visited our hospital for health examinations. They were divided into three groups according to body mass index (BMI), controlled attenuation parameter (CAP)values and elasticity (E) values of liver fibroscan: Control ( n=27), Mild NAFLD (non-alcoholic fatty liver disease, n=51) and Moderate/severe NAFLD ( n=56)...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28603941/higher-expression-of-wnt5a-protein-in-oral-squamous-cell-carcinoma-compared-with-dysplasia-and-oral-mucosa-with-a-normal-appearance
#8
Zdenka Prgomet, Tommy Andersson, Pia Lindberg
WNT5A is a secreted signaling protein that promotes migration and invasion of oral squamous cell carcinoma (OSCC) cells through activation of non-canonical WNT signaling. Here, we examined expression of WNT5A, β-catenin, and E-cadherin by immunohistochemistry in 21 human diagnostic incision biopsies that each had regions of oral mucosa with a normal appearance adjacent to the affected tissue, dysplasia, and OSCC. We also investigated the effect of recombinant WNT5A (rWNT5A) on expression of the cell-adhesion proteins E-cadherin and β-catenin by western blot analysis...
June 12, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28600110/rspo2-suppresses-colorectal-cancer-metastasis-by-counteracting-the-wnt5a-fzd7-driven-noncanonical-wnt-pathway
#9
Xiaoming Dong, Wanqin Liao, Li Zhang, Xi Tu, Jin Hu, Tianke Chen, Xiaowei Dai, Yan Xiong, Weicheng Liang, Chaodong Ding, Rui Liu, Juji Dai, Ouchen Wang, Liting Lu, Xincheng Lu
R-spondins play critical roles in development, stem cell survival, and tumorigenicity by modulating Wnt/β-catenin signaling; however, the role of R-spondins in noncanonical Wnt signaling regulation remains largely unknown. We demonstrate here that R-spondin 2 (RSPO2) has an inhibitory effect on colorectal cancer (CRC) cell migration, invasion, and metastasis. Reduced RSPO2 expression was associated with tumor metastasis and poor survival in CRC patients. The metastasis-suppressive activity of RSPO2 was independent of the Wnt/β-catenin signaling pathway but dependent on the Fzd7-mediated noncanonical Wnt signaling pathway...
June 6, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28592632/rear-polarized-wnt5a-receptor-actin-myosin-polarity-wramp-structures-promote-the-speed-and-persistence-of-directional-cell-migration
#10
Mary Katherine Connacher, Jian Wei Tay, Natalie G Ahn
In contrast to events at the cell leading edge, rear-polarized mechanisms that control directional cell migration remain poorly defined. Previous work described a new intracellular complex, named the "Wnt5a-receptor-actomyosin polarity (WRAMP) structure", which coordinates the polarized localization of MCAM, actin, and myosin IIB, in a Wnt5a-induced manner. However, the polarity and function for the WRAMP structure during cell movement has not been determined. Here, we characterize WRAMP structures during extended cell migration using live cell imaging...
June 7, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28587781/wnt5a-induces-catabolic-signaling-and-matrix-metalloproteinase-production-in-human-articular-chondrocytes
#11
G Huang, S Chubinskaya, W Liao, R F Loeser
OBJECTIVE: Aberrant Wnt signaling may contribute to osteoarthritis (OA) but the Wnt family members involved have not been fully identified. The purpose of this study was to investigate the role of Wnt5a as a potential mediator of cartilage destruction in OA. DESIGN: Immunohistochemistry to detect Wnt5a was performed using normal and OA human articular cartilage. Cultured normal human chondrocytes were treated with fibronectin fragments (FN-f) as a catabolic stimulus or recombinant Wnt5a protein with or without pretreatment using a panel of signaling inhibitors...
June 3, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28580185/the-soluble-vegf-receptor-sflt-1-contributes-to-impaired-neovascularization-in-aged-mice
#12
Guangxian Zhao, Xian W Cheng, Limei Piao, Lina Hu, Yanna Lei, Guang Yang, Aiko Inoue, Shinyu Ogasawara, Hongxian Wu, Chang-Ning Hao, Kenji Okumura, Masafumi Kuzuya
The mechanism by which angiogenesis declines with aging is not fully understood. Soluble vascular endothelial growth factor receptor 1 (VEGFR1) form (sFlt1) contributes to endothelial dysfunction in pathological conditions. However, the roles of sFlt1 in ischemia-induced neovascularizationof aged animals have not been investigated. To study aging-related sFlt1 change and its impact on ischemia-induced neovascularization, a hindlimb ischemia model was applied to young and aged mice. Blood flow imaging assay revealed that the blood flow recovery remained impaired throughout the follow-up period...
May 2017: Aging and Disease
https://www.readbyqxmd.com/read/28576947/the-slow-cycling-phenotype-a-growing-problem-for-treatment-resistance-in-melanoma
#13
REVIEW
Antonio Ahn, Aniruddha Chatterjee, Michael R Eccles
Treatment resistance in metastatic melanoma is a longstanding issue. Current targeted therapy regimes in melanoma largely target the proliferating cancer population, leaving slow-cycling cancer cells undamaged. Consequently, slow-cycling cells are enriched upon drug therapy and can remain in the body for years until acquiring proliferative potential that triggers cancer relapse. Here we overview the molecular mechanisms of slow-cycling cells that underlie treatment resistance in melanoma. Three main areas of molecular reprogramming are discussed that mediate slow cycling and treatment resistance...
June 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28560594/fbxo50-enhances-the-malignant-behavior-of-gastric-cancer-cells
#14
Takashi Miwa, Mitsuro Kanda, Haruyoshi Tanaka, Chie Tanaka, Daisuke Kobayashi, Shinichi Umeda, Naoki Iwata, Masamichi Hayashi, Suguru Yamada, Tsutomu Fujii, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: Challenges to our understanding the molecular mechanisms of the progression of gastric cancer (GC) must be overcome to facilitate the identification of novel biomarkers and therapeutic targets. In this article, we analyzed the expression of the gene encoding F-box-only 50 (FBXO50) and determined whether it contributes to the malignant phenotype of GC. METHODS: FBXO50 messenger RNA (mRNA) levels and copy numbers of the FBXO50 locus were determined in 10 GC cell lines and a nontumorigenic epithelial cell line...
May 30, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28560445/genistein-and-menaquinone-4-treatment-induced-alterations-in-the-expression-of-mrnas-and-their-products-are-beneficial-to-osteoblastic-mc3t3-e1-cell-functions
#15
Midori Katsuyama, Masashi Demura, Hironobu Katsuyama, Hideji Tanii, Kiyofumi Saijoh
The aim of the present study was to determine the molecular basis of the beneficial effects of genistein and/or menaquinone‑4 (MK‑4) on bone quality. Initially, 1 µM genistein was applied to MC3T3‑E1 cells for 24 h and the upregulated mRNAs that were detected by microarray were selected for further examination by reverse transcription‑quantitative‑polymerase chain reaction. Among them, alterations were observed in the level of GATA‑binding protein 6 (GATA6), Notch gene homolog 2 (NOTCH2), Wnt family member 5A (WNT5A), bone γ‑carboxyglutamate protein (BGLAP), chondroadherin (CHAD), dipeptidyl peptidase 4 (DPP4), ectonucleotide pyrophosphatase/phosphodiesterase 2 (ENPP2), alkaline phosphatase (ALP) 3 and ATPase phospholipid‑transporting 11A (ATP11A) in response to treatment with 0...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28560060/microrna-365-inhibits-ovarian-cancer-progression-by-targeting-wnt5a
#16
Yanli Wang, Chunling Xu, Yun Wang, Xiaomeng Zhang
MicroRNA-365 (miR-365) has been reported to play an important role in tumorigenesis in many types of cancers; however, the role of miR-365 in the carcinogenesis of ovarian cancer remains unknown. In this study, we focused on the roles and underlying mechanisms of miR-365 in ovarian cancer. Here, we found that miR-365 expression level was significantly decreased in ovarian cancer tissues and cell lines, and that low miR-365 expression was negatively significantly associated with advanced stages as defined by the International Federation of Gynecology and Obstetrics (FIGO), histological grading, and lymph node metastasis...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28559016/critical-roles-of-wnt5a-ror2-signaling-in-aggressiveness-of-tongue-squamous-cell-carcinoma-and-production-of-matrix-metalloproteinase-2-via-%C3%AE-np63%C3%AE-mediated-epithelial-mesenchymal-transition
#17
Taiki Sakamoto, Shintaro Kawano, Ryota Matsubara, Yuichi Goto, Teppei Jinno, Yasuyuki Maruse, Naoki Kaneko, Yuma Hashiguchi, Taichi Hattori, Shoichi Tanaka, Ryoji Kitamura, Tamotsu Kiyoshima, Seiji Nakamura
OBJECTIVES: We previously showed that ΔNp63β, a splicing variant of ΔNp63, mediated EMT and affected cell motility. DNA microarray was thus performed to elucidate the mechanism that ΔNp63β affects cell motility. As the results, Wnt5a was significantly down-regulated by ΔNp63β overexpression in tongue SCC cell line (SQUU-B) with EMT phenotype. MATERIALS AND METHODS: Seven OSCC cell lines were used. Expression of ΔNp63, Wnt5a, its receptor Ror2, and matrix metalloproteinases (MMPs) were analyzed by RT-PCR, real-time PCR, and western blotting, and gelatin zymography...
June 2017: Oral Oncology
https://www.readbyqxmd.com/read/28546512/wnt5a-promotes-frizzled-4-signalosome-assembly-by-stabilizing-cysteine-rich-domain-dimerization
#18
Zachary J DeBruine, Jiyuan Ke, Kaleeckal G Harikumar, Xin Gu, Peter Borowsky, Bart O Williams, Wenqing Xu, Laurence J Miller, H Eric Xu, Karsten Melcher
Wnt/β-catenin signaling is activated when extracellular Wnt ligands bind Frizzled (FZD) receptors at the cell membrane. Wnts bind FZD cysteine-rich domains (CRDs) with high affinity through a palmitoylated N-terminal "thumb" and a disulfide-stabilized C-terminal "index finger," yet how these binding events trigger receptor activation and intracellular signaling remains unclear. Here we report the crystal structure of the Frizzled-4 (FZD4) CRD in complex with palmitoleic acid, which reveals a CRD tetramer consisting of two cross-braced CRD dimers...
May 1, 2017: Genes & Development
https://www.readbyqxmd.com/read/28542811/integrative-analyses-reveal-biological-pathways-and-key-genes-in-psoriasis
#19
J Dou, L Zhang, X Xie, L Ye, C Yang, L Wen, C Shen, C Zhu, S Zhao, Z Zhu, B Liang, Z Wang, H Li, X Fan, S Liu, X Yin, X Zheng, L Sun, S Yang, Y Cui, F Zhou, X Zhang
BACKGROUND: Psoriasis is a complex disease that is influenced by both genetic and environmental factors with abnormal gene expression in lesional skin. However, no studies are available on genome-scale gene expression of psoriatic lesions in the Chinese population. In addition, systematic studies on the biological pathways, pathogenicity and interaction networks of psoriasis-related genes with abnormal expression profiles require further investigation. OBJECTIVES: To further explore the associated pathways in psoriasis by functional analysis and to identify the key genes by gene pathogenicity analysis...
May 25, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28538104/wnt5a-regulates-the-expression-of-ror2-tyrosine-kinase-receptor-in-ovarian-cancer-cells
#20
Ghamartaj Hossein, Somayeh Arabzadeh, Zahra Salehi-Doulabi, Zeynab Dehghani-Ghobadi, Yasaman Heidarian, Maryam Talebi-Juybari
Wnt5A and Receptor tyrosine kinase-like orphan receptor 2 (ROR2) proteins both regulate developmental processes, cell movement, and cell polarity. The purpose of the present study was to evaluate a possible regulatory role of Wnt5A on ROR2 expression in human ovarian cancer cell lines. Moreover, the expression of Wnt5A and ROR2 mRNA and protein levels were assessed in human epithelial serous ovarian cancer (HSOC) specimens. ROR2 was strongly decreased in cells treated with siRNA against Wnt5A compared to scramble-treated or lipofectamine-treated cells (P<0...
May 24, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
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