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https://www.readbyqxmd.com/read/28447744/cyclic-compression-stimulates-osteoblast-differentiation-via-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#1
Xi Chen, Jianmin Guo, Yu Yuan, Zhongguang Sun, Binglin Chen, Xiaoyang Tong, Lingli Zhang, Chao Shen, Jun Zou
It is widely accepted that mechanical stress is an important factor in bone associated cell differentiation, including that of mesenchymal stem cells, osteoblasts and osteocytes. The present study aimed to determine the effect of mechanical cyclic compressive load on osteoblast differentiation, and whether this was associated with activation of the wingless‑type (Wnt)/β-catenin signaling pathway. Using a 3D scaffold model, MC3T3‑E1 cells were exposed to cyclic compressive loading via the Flexcell‑5000C™ Compression system...
March 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28443299/data-on-the-mrna-expression-by-in-situ-hybridization-of-wnt-signaling-pathway-members-in-the-mouse-uterus
#2
Jyoti Goad, Yi-An Ko, Shafiq M Syed, Yazmin J Crossingham, Pradeep S Tanwar
Wnt signaling plays an important role in uterine organogenesis and oncogenesis. Our mRNA expression data documents the expression of various Wnt pathway members during the key stages of uterine epithelial gland development. Our data illustrates the expression of Wnt signaling inhibitors (Axin2, Sfrp2, Sfrp4, Dkk1 and Dkk3) in mice uteri at postnatal day 6 (PND 6) and day 15 (PND 15). They also describe the expression pattern of the Wnt ligands (Wnt1, Wnt2, Wnt2b, Wnt3, Wnt3a, Wnt5b, Wnt7b, Wnt8a, Wnt8b, Wnt9a, Wnt9b, Wnt10a and Wnt10b) in mice uteri with or without progesterone treatment...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28426731/effect-of-genetic-variation-in-microrna-binding-site-in-wnt1-inducible-signaling-pathway-protein-1-gene-on-oral-squamous-cell-carcinoma-susceptibility
#3
Hon-Kit Lau, Edie-Rosmin Wu, Mu-Kuan Chen, Ming-Ju Hsieh, Shun-Fa Yang, Lyu-Yao Wang, Ying-Erh Chou
BACKGROUND: Oral squamous cell carcinoma (OSCC), which is the most common head and neck cancer, accounts for 1%-2% of all human malignancies and is characterized by poor prognosis and reduced survival rates. WNT1-inducible signaling pathway protein 1 (WISP1), a cysteine-rich protein belonging to the Cyr61, CTGF, Nov (CCN) family of matricellular proteins, has many developmental functions and may be involved in carcinogenesis. This study investigated WISP1 single-nucleotide polymorphisms (SNPs) to elucidate OSCC susceptibility and clinicopathologic characteristics...
2017: PloS One
https://www.readbyqxmd.com/read/28411110/impaired-wnt-signaling-and-the-spine-heterozygous-wnt1-mutation-causes-severe-age-related-spinal-pathology
#4
Riikka E Mäkitie, Tuukka Niinimäki, Miika T Nieminen, Camilla Schalin-Jäntti, Jaakko Niinimäki, Outi Mäkitie
BACKGROUND: WNT signaling plays a major role in bone and cartilage metabolism. Impaired WNT/β-catenin signaling leads to early-onset osteoporosis, but specific features in bone and other tissues remain inadequately characterized. We have identified two large Finnish families with early-onset osteoporosis due to a heterozygous WNT1 mutation c.652T>G, p.C218G. This study evaluated the impact of impaired WNT/β-catenin signaling on spinal structures. METHODS: Altogether 18 WNT1 mutation-positive (age range 11-76years, median 49years) and 14 mutation-negative subjects (10-77years, median 43years) underwent magnetic resonance imaging (MRI) of the spine...
April 11, 2017: Bone
https://www.readbyqxmd.com/read/28406476/wisp-1-positively-regulates-angiogenesis-by-controlling-vegf-a-expression-in-human-osteosarcoma
#5
Hsiao-Chi Tsai, Huey-En Tzeng, Chun-Yin Huang, Yuan-Li Huang, Chun-Hao Tsai, Shih-Wei Wang, Po-Chuan Wang, An-Chen Chang, Yi-Chin Fong, Chih-Hsin Tang
In recent years, much research has focused on the role of angiogenesis in osteosarcoma, which occurs predominantly in adolescents and young adults. The vascular endothelial growth factor-A (VEGF-A) pathway is the key regulator of angiogenesis and in osteosarcoma. VEGF-A expression has been recognized as a prognostic marker in angiogenesis. Aberrant WNT1-inducible signaling pathway protein-1 (WISP-1) expression is associated with various cancers. However, the function of WISP-1 in osteosarcoma angiogenesis is poorly understood...
April 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28403963/the-wnt-%C3%AE-catenin-signaling-pathway-may-be-involved-in-granulosa-cell-apoptosis-from-patients-with-pcos-in-north-china
#6
X-Q Wu, Y-Q Wang, S-M Xu, J-F Liu, X-Y Bi, Z-Q Wang, J-P Zhang
INTRODUCTION: Investigate the expressions of WNTs in granulosa cells of PCOS in North China, and explore the possible mechanism. MATERIAL AND METHODS: Patients with PCOS (n=40) and controls without PCOS (n=20) were enrolled into the study. The levels of serum sex hormone were detected by chemiluminescent enzyme immunoassay. RT-qPCR was used to measure mRNA levels of WNT family members (WNT1, WNT3, WNT4, WNT5, sFRP4 and sFRP5). The levels of Bax and Bcl-2 were measured by enzyme-linked immunosorbent assay...
January 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28379384/osteocyte-protein-expression-is-altered-in-low-turnover-osteoporosis-caused-by-mutations-in-wnt1-and-pls3
#7
Katherine Wesseling-Perry, Riikka E Mäkitie, Ville-Valtteri Välimäki, Tero Laine, Christine M Laine, Matti J Välimäki, Renata C Pereira, Outi Mäkitie
Context: Osteocytes express proteins that regulate bone remodeling and mineralization as well as osteoblast and adipocyte differentiation. Objective: To evaluate the relationship between osteocyte-specific protein expression and bone histology in patients with monogenic osteoporosis due to WNT1 or PLS3 mutations. Design and Setting: Cross-sectional cohort study at a University Hospital. Participants: 6 patients (4 males, age range 14-72 years) with a heterozygous WNT1 mutation and 5 patients (4 males, age 9-70 years) with a hetero-/hemizygous PLS3 mutation...
April 3, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28371069/specific-and-spatial-labeling-of-p0-cre-versus-wnt1-cre-in-cranial-neural-crest-in-early-mouse-embryos
#8
Guiqian Chen, Mohamed Ishan, Jingwen Yang, Satoshi Kishigami, Tomokazu Fukuda, Greg Scott, Manas K Ray, Chenming Sun, Shi-You Chen, Yoshihiro Komatsu, Yuji Mishina, Hong-Xiang Liu
P0-Cre and Wnt1-Cre mouse lines have been widely used in combination with loxP-flanked mice to label and genetically modify neural crest (NC) cells and their derivatives. Wnt1-Cre has been regarded as the gold standard and there have been concerns about the specificity of P0-Cre because it is not clear about the timing and spatial distribution of the P0-Cre transgene in labeling NC cells at early embryonic stages. We re-visited P0-Cre and Wnt1-Cre models in the labeling of NC cells in early mouse embryos with a focus on cranial NC...
March 29, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28359679/activation-of-wnt-signaling-increases-numbers-of-enteric-neurons-derived-from-neonatal-mouse-and-human-progenitors-cells
#9
Ying Zhang, Karin Seid, Florian Obermayr, Lothar Just, Peter H Neckel
BACKGROUND & AIMS: Neural stem and progenitor cells from the enteric nervous system (ENS) might serve as a source of cells for treatment of neurogastrointestinal disorders. Before we can use these cells, we must increase our understanding of the signaling mechanisms that regulate proliferation and differentiation. We systematically evaluated the effects of canonical Wnt signaling on proliferation and differentiation of cultured ENS progenitor cells from neonatal mice and humans. METHODS: We isolated ENS progenitors from tunica muscularis of the small intestine of new-born (P0) wild-type C57BL/6 mice as well as from Wnt1-Cre2 reporter mice...
March 27, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28346501/a-tissue-specific-role-for-intraflagellar-transport-genes-during-craniofacial-development
#10
Elizabeth N Schock, Jaime N Struve, Ching-Fang Chang, Trevor J Williams, John Snedeker, Aria C Attia, Rolf W Stottmann, Samantha A Brugmann
Primary cilia are nearly ubiquitous, cellular projections that function to transduce molecular signals during development. Loss of functional primary cilia has a particularly profound effect on the developing craniofacial complex, causing several anomalies including craniosynostosis, micrognathia, midfacial dysplasia, cleft lip/palate and oral/dental defects. Development of the craniofacial complex is an intricate process that requires interactions between several different tissues including neural crest cells, neuroectoderm and surface ectoderm...
2017: PloS One
https://www.readbyqxmd.com/read/28343033/quinocetone-induces-mitochondrial-apoptosis-in-hepg2-cells-through-ros-dependent-promotion-of-vdac1-oligomerization-and-suppression-of-wnt1-%C3%AE-catenin-signaling-pathway
#11
Xiayun Yang, Shusheng Tang, Chongshan Dai, Daowen Li, Shen Zhang, Sijun Deng, Yan Zhou, Xilong Xiao
Quinocetone (QCT) has been used as an animal feed additive in China since 2003. However, investigations indicate that QCT has potential toxicity due to the fact that it shows cytotoxicity, genotoxicity, hepatotoxicity, nephrotoxicity and immunotoxicity in vitro and animal models. Although QCT-induced mitochondrial apoptosis has been established, the molecular mechanism remains unclear. This study was aimed to investigate the role of voltage-dependent anion channel 1 (VDAC1) oligomerization and Wnt/β-catenin pathway in QCT-induced mitochondrial apoptosis...
March 23, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28339498/enhancement-of-osteogenic-differentiation-of-rat-adipose-tissue-derived-mesenchymal-stem-cells-by-zinc-sulphate-under-electromagnetic-field-via-the-pka-erk1-2-and-wnt-%C3%AE-catenin-signaling-pathways
#12
Ezzatollah Fathi, Raheleh Farahzadi
Zinc ion as an essential trace element and electromagnetic fields (EMFs) has been reported to be involved in the regulation of bone metabolism. The aim of this study was to elucidate the effects of zinc sulphate (ZnSO4) on the osteogenic differentiation of adipose tissue-derived mesenchymal stem cells (ADSCs) in the presence of EMF as a strategy in osteoporosis therapy. Alkaline phophatase (ALP) activity measurement, calcium assay and expression of several osteoblastic marker genes were examined to assess the effect of ZnSO4 on the osteogenic differentiation of ADSCs under EMF...
2017: PloS One
https://www.readbyqxmd.com/read/28337255/combined-therapy-with-melatonin-and-exendin-4-effectively-attenuated-the-deterioration-of-renal-function-in-rat-cardiorenal-syndrome
#13
Kuan-Hung Chen, Chih-Hung Chen, Christopher Glenn Wallace, Yen-Ta Chen, Chih-Chao Yang, Pei-Hsun Sung, Hsin-Ju Chiang, Yi-Ling Chen, Sarah Chua, Hon-Kan Yip, Jiin-Tsuey Cheng
This study tested the hypothesis that combined therapy with melatonin (Mel) and exendin-4 (Ex4) would be superior to either therapy alone for preventing the deterioration of renal function in cardiorenal syndrome (CRS). Male adult Sprague Dawley rats (n = 48) were randomly and equally divided into sham-control (SC), chronic kidney disease (CKD; induced by 5/6 nephrectomy), CRS (CKD + dilated cardiomyopathy, DCM; induced by doxorubicin 7 mg/kg i.p. every 5 days, 4 doses), CRS-Mel (20 mg/kg/day), CRS-Ex4 (10 µg/kg/day) and CRS-Mel-Ex4...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28333300/comparison-of-global-gene-expression-profiles-of-microdissected-human-foetal-leydig-cells-with-their-normal-and-hyperplastic-adult-equivalents
#14
Grete Lottrup, Kirstine Belling, Henrik Leffers, John E Nielsen, Marlene D Dalgaard, Anders Juul, Niels E Skakkebæk, Søren Brunak, Ewa Rajpert-De Meyts
STUDY QUESTION: Do human adult Leydig cells (ALCs) within hyperplastic micronodules display characteristics of foetal LCs (FLCs)? SUMMARY ANSWER: The gene expression profiles of FLCs and all ALC subgroups were clearly different, but there were no significant differences in expressed genes between the normally clustered and hyperplastic ALCs. WHAT IS KNOWN ALREADY: LCs are the primary androgen producing cells in males throughout development and appear in chronologically distinct populations; FLCs, neonatal LCs and ALCs...
March 17, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28296904/differentially-expressed-mirnas-in-sepsis-induced-acute-kidney-injury-target-oxidative-stress-and-mitochondrial-dysfunction-pathways
#15
Qin-Min Ge, Chun-Mei Huang, Xiang-Yang Zhu, Fan Bian, Shu-Ming Pan
OBJECTIVE: To identify specific miRNAs involved in sepsis-induced AKI and to explore their targeting pathways. METHODS: The expression profiles of miRNAs in serum from patients with sepsis-induced AKI (n = 6), sepsis-non AKI (n = 6), and healthy volunteers (n = 3) were investigated by microarray assay and validated by quantitative PCR (qPCR). The targets of the differentially expressed miRNAs were predicted by Target Scan, mirbase and Miranda. Then the significant functions and involvement in signaling pathways of gene ontology (GO) and KEGG pathways were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28289266/wnts-synergize-to-activate-%C3%AE-catenin-signaling
#16
Anshula Alok, Zhengdeng Lei, N Suhas Jagannathan, Simran Kaur, Steven G Rozen, Lisa Tucker-Kellogg, David M Virshup
Wnt ligands regulate diverse signaling pathways during development, maintenance of tissue homeostasis, and in various disease states. While signaling regulated by individual Wnts has been extensively studied, Wnts are rarely expressed alone, and the consequences of Wnt gene co-expression are not well understood. We studied the effect of co-expression of Wnts on the β-catenin signaling pathway. While some Wnts are deemed 'non-canonical' due to their limited ability to activate β-catenin when expressed alone, unexpectedly, we find that multiple Wnt combinations can synergistically activate β-catenin signaling in multiple cell types...
March 13, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28286175/cilia-dependent-gli-processing-in-neural-crest-cells-is-required-for-tongue-development
#17
Grethel Millington, Kelsey H Elliott, Ya-Ting Chang, Ching-Fang Chang, Andrzej Dlugosz, Samantha A Brugmann
Ciliopathies are a class of diseases caused by the loss of a ubiquitous, microtubule-based organelle called a primary cilium. Ciliopathies commonly result in defective development of the craniofacial complex, causing midfacial defects, craniosynostosis, micrognathia and aglossia. Herein, we explored how the conditional loss of primary cilia on neural crest cells (Kif3a(f/f);Wnt1-Cre) generated aglossia. On a cellular level, our data revealed that aglossia in Kif3a(f/f);Wnt1-Cre embryos was due to a loss of mesoderm-derived muscle precursors migrating into and surviving in the tongue anlage...
April 15, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28270411/-pro-renin-receptor-is-an-amplifier-of-wnt-%C3%AE-catenin-signaling-in-kidney-injury-and-fibrosis
#18
Zhen Li, Lili Zhou, Yongping Wang, Jinhua Miao, Xue Hong, Fan Fan Hou, Youhua Liu
The (pro)renin receptor (PRR) is a transmembrane protein with multiple functions. However, its regulation and role in the pathogenesis of CKD remain poorly defined. Here, we report that PRR is a downstream target and an essential component of Wnt/β-catenin signaling. In mouse models, induction of CKD by ischemia-reperfusion injury (IRI), adriamycin, or angiotensin II infusion upregulated PRR expression in kidney tubular epithelium. Immunohistochemical staining of kidney biopsy specimens also revealed induction of renal PRR in human CKD...
March 7, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28260089/overexpression-of-mir%C3%A2-214-promotes-the-progression-of-human-osteosarcoma-by-regulating-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway
#19
Xun-Bing Zhu, Zhong-Chuan Zhang, Guan-Sheng Han, Jun-Zhu Han, Da-Peng Qiu
The aberrant expression of microRNA (miR)‑214 contributes to the regulation of normal and cancer cell biology, and is associated with human malignancies, however, it can operate in a contradictory manner. The role of miR‑214 in osteosarcoma remains to be fully elucidated. The aim of the present study was to investigate the effects of miR‑214 on osteosarcoma progression and tumor cell proliferation, and examine the molecular mechanism underlying osteosarcoma. The level of miR‑214 was determined using reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) analysis in osteosarcoma and matched paracancerous tissues, and in human osteosarcoma cancer cell lines...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28253399/foxc1-and-foxc2-in-the-neural-crest-are-required-for-ocular-anterior-segment-development
#20
Seungwoon Seo, Lisheng Chen, Wenzhong Liu, Demin Zhao, Kathryn M Schultz, Amy Sasman, Ting Liu, Hao F Zhang, Philip J Gage, Tsutomu Kume
Purpose: The large Forkhead (Fox) transcription factor family has essential roles in development, and mutations cause a wide range of ocular and nonocular disease. One member, Foxc2 is expressed in neural crest (NC)-derived periocular mesenchymal cells of the developing murine eye; however, its precise role in the development, establishment, and maintenance of the ocular surface has yet to be investigated. Methods: To specifically delete Foxc2 from NC-derived cells, conditional knockout mice for Foxc2 (NC-Foxc2-/-) were generated by crossing Foxc2F mice with Wnt1-Cre mice...
March 1, 2017: Investigative Ophthalmology & Visual Science
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