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https://www.readbyqxmd.com/read/29346310/ar-signaling-in-human-malignancies-prostate-cancer-and-beyond
#1
EDITORIAL
Emmanuel S Antonarakis
The notion that androgens and androgen receptor (AR) signaling are the hallmarks of prostate cancer oncogenesis and disease progression is generally well accepted. What is more poorly understood is the role of AR signaling in other human malignancies. This special issue of Cancers initially reviews the role of AR in advanced prostate cancer, and then explores the potential importance of AR signaling in other epithelial malignancies. The first few articles focus on the use of novel AR-targeting therapies in castration-resistant prostate cancer and the mechanisms of resistance to novel antiandrogens, and they also outline the interaction between AR and other cellular pathways, including PI3 kinase signaling, transcriptional regulation, angiogenesis, stromal factors, Wnt signaling, and epigenetic regulation in prostate cancer...
January 18, 2018: Cancers
https://www.readbyqxmd.com/read/29345973/r-spondin-2-is-upregulated-in-idiopathic-pulmonary-fibrosis-and-affects-fibroblasts-behavior
#2
Adrián Munguía-Reyes, Yalbi I Balderas-Martínez, Carina Becerril, Marco Checa, Remedios Ramírez, Blanca Ortíz-Quintero, Jorge Meléndez-Zajgla, Annie Pardo, Moisés Selman
Idiopathic pulmonary fibrosis (IPF) is characterized by the expansion of the myofibroblasts population, excessive extracellular matrix accumulation, and destruction of the lung parenchyma. The R-spondins family (RSPO) comprises a group of proteins essential for development. From them, RSPO2 is expressed primarily in the lungs and its mutations cause severe defects in the respiratory tract. Interestingly, RSPO2 participates in the canonical WNT pathway, a critical route in the pathogenesis of IPF. Thus, the aim of this study was to examine the expression and putative role of RSPO2 in this disease...
January 18, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29345412/wnt5a-promotes-migration-and-invasion-of-human-osteosarcoma-cells-via-src-erk-mmp-14-pathway
#3
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/29345390/wnt-%C3%AE-catenin-pathway-promotes-early-engraftment-of-fetal-hematopoietic-stem-progenitor-cells
#4
Edward O Kwarteng, Roxann Hétu-Arbour, Krista M Heinonen
The switch from fetal to adult hematopoietic stem/progenitor cells (HSPCs) is associated with profound changes in several genetic programs. Although HSPC ageing corresponds to alterations in Wnt signaling, relatively little is known about the relative roles of different Wnt signaling pathways in HSPC ontogeny. We hypothesized that proliferating fetal HSPCs would be more dependent on canonical β-catenin-dependent Wnt signaling when compared to quiescent adult bone marrow HSPCs. We have compared here Wnt signaling activities in murine fetal and adult HSPCs and demonstrate a shift from Wnt/β-catenin-dependent signaling in fetal liver HSPCs to more predominantly noncanonical Wnt/polarity signaling in adult HSPCs...
January 17, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345363/effects-of-il-10-and-th-2-cytokines-on-human-m%C3%AF-phenotype-and-response-to-csf1r-inhibitor
#5
Leon P Pradel, Andreas Franke, Carola H Ries
Tumor-associated Mφs display a plastic phenotype that is regulated by the local tumor milieu. Gene expression analysis and functional characterization of Mφs exposed in vitro to individual cytokines aids to delineate the cross-talk between defined cytokines shaping the complex Mφ phenotype. Human monocyte-derived Mφs can be differentiated in vitro with the T helper cell type 2 response cytokines IL-4 and IL-13 or the immunosuppressive IL-10. Notably, only the latter subset undergoes apoptosis when treated with the CSF 1 receptor (CSF1R) blocking antibody emactuzumab...
January 4, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29344793/the-role-of-bone-secreted-factors-in-burn-induced-muscle-cachexia
#6
REVIEW
Gordon L Klein
PURPOSE OF REVIEW: Burn injury results in resorptive bone loss, failure to make new bone, and muscle protein breakdown resulting in cachexia. The purpose of this review is to examine the relationship between bone loss and muscle atrophy in burn injury with a view to understanding the process at work and how it may apply to other conditions that have similar features. RECENT FINDINGS: We present data suggesting that the use of bisphosphonates in the first 10 days following the burn prevents not only the resorptive bone loss but also the muscle wasting...
January 17, 2018: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/29344294/cardiomyocyte-restricted-low-density-lipoprotein-receptor-related-protein-6-lrp6-deletion-leads-to-lethal-dilated-cardiomyopathy-partly-through-drp1-signaling
#7
Zhidan Chen, Yang Li, Ying Wang, Juying Qian, Hong Ma, Xiang Wang, Guoliang Jiang, Ming Liu, Yanpeng An, Leilei Ma, Le Kang, Jianguo Jia, Chunjie Yang, Guoping Zhang, Ying Chen, Wei Gao, Mingqiang Fu, Zheyong Huang, Huiru Tang, Yichun Zhu, Junbo Ge, Hui Gong, Yunzeng Zou
Low density lipoprotein receptor-related protein 6 (LRP6), a wnt co-receptor, regulates multiple functions in various organs. However, the roles of LRP6 in the adult heart are not well understood. Methods: We observed LRP6 expression in heart with end-stage dilated cardiomyopathy (DCM) by western blot. Tamoxifen-inducible cardiac-specific LRP6 knockout mouse was constructed. Hemodynamic and echocardiographic analyses were performed to these mice. Results: Cardiac LRP6 expression was dramatically decreased in patients with end-stage dilated cardiomyopathy (DCM) compared to control group...
2018: Theranostics
https://www.readbyqxmd.com/read/29344178/long-non-coding-rna-lnctcf7-activates-the-wnt-%C3%AE-catenin-pathway-to-promote-metastasis-and-invasion-in-colorectal-cancer
#8
Tengyu Li, Jing Zhu, Xin Wang, Guowei Chen, Lie Sun, Shuai Zuo, Junling Zhang, Shanwen Chen, Ju Ma, Zihao Yao, Youwen Zheng, Zeyang Chen, Yucun Liu, Pengyuan Wang
Long non-coding RNA (Lnc)TCF7 is a novel lncRNA that is involved in tumorigenesis. Previous studies have revealed that lncTCF7 serves an essential role in maintaining cancer stem cell self-renewal; however, the functions of lncTCF7 in colorectal cancer (CRC) remain unknown. Therefore, the present study aimed to investigate the role of lncTCF7 in CRC. LncTCF7 was upregulated in 52/58 CRC tissues, and its expression correlated with tumor size, lymph metastasis and tumor-node-metastasis stage in CRC. Knocking down lncTCF7 in colon cancer cell lines decreased cell proliferation, migration and invasion, while lncTCF7 overexpression showed opposite changes...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344152/regulation-of-autophagy-inhibition-and-inflammatory-response-in-glioma-by-wnt-signaling-pathway
#9
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
#10
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/29344117/wnt-inhibitor-xav939-suppresses-the-viability-of-small-cell-lung-cancer-nci-h446-cells-and-induces-apoptosis
#11
Wenxuan Guo, Fangzhen Shen, Wenjing Xiao, Jing Chen, Fei Pan
Small cell lung cancer (SCLC) is the most aggressive type of lung cancer due to a fast tumor doubling time and early hematogenous spread. Advances in the treatment of non-small cell lung cancer using targeted therapies having been made, but no targeted drugs for SCLC have been approved. The Wnt signaling pathway is associated with tumor progression and metastasis; therefore, the inhibition of Wnt/β-catenin signaling is a strategy for anticancer drugs. Tankyrase 1 (TNKS1) is overexpressed in a number of types of cancer and XAV939 is a small molecule inhibitor of TNKS1 which may inhibit tumor growth...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343518/fibroblast-specific-%C3%AE-catenin-signaling-dictates-the-outcome-of-aki
#12
Dong Zhou, Haiyan Fu, Liangxiang Xiao, Hongyan Mo, Hui Zhuo, Xiaojun Tian, Lin Lin, Jianhua Xing, Youhua Liu
AKI is a devastating condition with high morbidity and mortality. The pathologic features of AKI are characterized by tubular injury, inflammation, and vascular impairment. Whether fibroblasts in the renal interstitium have a role in the pathogenesis of AKI is unknown. In this study, we investigated the role of fibroblast-specific β-catenin signaling in dictating the outcome of AKI, using conditional knockout mice in which β-catenin was specifically ablated in fibroblasts (Gli1-β-cat-/-). After ischemia-reperfusion injury (IRI), Gli1-β-cat-/- mice had lower serum creatinine levels and less morphologic injury than Gli1-β-cat+/+ littermate controls...
January 17, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29343267/tipe2-suppresses-progression-and-tumorigenesis-of-esophageal-carcinoma-via-inhibition-of-the-wnt-%C3%AE-catenin-pathway
#13
Linan Zhu, Xudong Zhang, Xiaorui Fu, Zhaoming Li, Zhenchang Sun, Jingjing Wu, Xinhua Wang, Feng Wang, Xiangke Li, Songtao Niu, Mengjie Ding, Zhenzhen Yang, Wanqiu Yang, Meifeng Yin, Lei Zhang, Mingzhi Zhang
BACKGROUND: Esophageal carcinoma is the eighth prevalent malignancy and ranks the sixth in carcinoma-related death worldwide. Tumor necrosis factor-α-induced protein-8 like-2 (TIPE2) has been identified as a tumor suppressor in multiple carcinomas. However, its roles and molecular mechanisms underlying esophageal carcinoma progression are still undefined till now. METHODS: RT-qPCR assay was employed to detect the expression of TIPE2 mRNA. TIPE2 protein expression was measured by using western blot assay...
January 17, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29342173/hormone-induced-differential-transcriptome-analysis-of-sertoli-cells-during-postnatal-maturation-of-rat-testes
#14
Mukesh Gautam, Indrashis Bhattacharya, Umesh Rai, Subeer S Majumdar
Sertoli cells (Sc) are unique somatic cells of testis that are the target of both FSH and testosterone (T) and regulate spermatogenesis. Although Sc of neonatal rat testes are exposed to high levels of FSH and T, robust differentiation of spermatogonial cells becomes conspicuous only after 11-days of postnatal age. We have demonstrated earlier that a developmental switch in terms of hormonal responsiveness occurs in rat Sc at around 12 days of postnatal age during the rapid transition of spermatogonia A to B...
2018: PloS One
https://www.readbyqxmd.com/read/29341469/downregulation-of-csn6-attenuates-papillary-thyroid-carcinoma-progression-by-reducing-wnt-%C3%AE-catenin-signaling-and-sensitizes-cancer-cells-to-fh535-therapy
#15
Duo Wen, Tian Liao, Ben Ma, Ning Qu, Rong-Liang Shi, Zhong-Wu Lu, Yu-Long Wang, Wen-Jun Wei, Qing-Hai Ji
The incidence of thyroid cancer has increased worldwide at a rate higher than that of any other cancer. CSN6 is overexpressed in many types of cancers, and such expression is linked to oncogenic activity. However, the detailed biological functions of CSN6 in papillary thyroid cancer (PTC) have not been well characterized. We investigated CSN6 expression in PTC specimens and cell lines. We used short-hairpin RNA-mediated gene silencing to explore the biological effects of CSN6 depletion in PTC cells. The combined effects of CSN6 silencing and FH535 therapy were assessed in terms of cell viability...
January 17, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29341468/downregulation-of-barh-like-homeobox-2-promotes-cell-proliferation-migration-and-aerobic-glycolysis-through-wnt-%C3%AE-catenin-signaling-and-predicts-a-poor-prognosis-in-non-small-cell-lung-carcinoma
#16
Hao Chen, Maowei Zhang, Wenhui Zhang, Yuanqin Li, Jiechen Zhu, Xiaojiao Zhang, Li Zhao, Shuyang Zhu, Bi Chen
BACKGROUND: Human BarH-like homeobox 2 (Barx2), a homeodomain factor of the Bar family, plays a critical role in cell adhesion and cytoskeleton remodeling, and has been reported in an increasing array of tumor types except non-small cell lung carcinoma (NSCLC). The purpose of the current study was to characterize the expression of Barx2 and assess the clinical significance of Barx2 in NSCLC. METHODS: Quantitative real-time polymerase chain reaction, immunohistochemistry and western blot analysis were used to examine mRNA and protein expression, respectively...
January 17, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29341397/bi-allelic-mutations-of-ccdc88c-are-a-rare-cause-of-severe-congenital-hydrocephalus
#17
Gaia Ruggeri, Andrew E Timms, Chi Cheng, Avery Weiss, Peter Kollros, Teresa Chapman, Hannah Tully, Ghayda M Mirzaa
Congenital or infantile hydrocephalus is caused by genetic and non-genetic factors and is highly heterogeneous in etiology. In recent studies, a limited number of genetic causes of hydrocephalus have been identified. To date, recessive mutations in the CCDC88C gene have been identified as a cause of non-syndromic congenital hydrocephalus in three reported families. Here, we report the fourth known family with two affected individuals with congenital hydrocephalus due to a homozygous mutation in the CCDC88C gene identified by whole exome sequencing...
January 17, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29341317/apoptosis-induction-in-k562-human-myelogenous-leukaemia-cells-is-connected-to-the-modulation-of-wnt-%C3%AE-catenin-signalling-by-bhx-a-novel-pyrazoline-derivative
#18
Hanmei Bao, Qing Zhang, Yibo Du, Cai Zhang, Hui Xu, Zhongling Zhu, Zhao Yan
OBJECTIVES: The goal of this study was to explore the effects of BHX on human chronic myeloid leukaemia (CML) cells and to elucidate the underlying molecular mechanism. MATERIALS AND METHODS: CML cell line K562 cells were treated with BHX. The effects of BHX on cell proliferation, apoptosis and cell cycle were detected. Subsequently, the caspase, ATP activity, Ca2+ , ROS and mitochondrial membrane potential (MMP) levels treated with various concentrations of BHX were analysed...
January 16, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29341308/stiffness-regulates-the-proliferation-and-osteogenic-odontogenic-differentiation-of-human-dental-pulp-stem-cells-via-the-wnt-signalling-pathway
#19
Nanxin Liu, Mi Zhou, Qi Zhang, Tao Zhang, Taoran Tian, Quanquan Ma, Changyue Xue, Shiyu Lin, Xiaoxiao Cai
OBJECTIVES: Researches showed that stiffness of the extracellular matrix can affect the differentiation of many stem cells. Dental pulp stem cells (DPSCs) are a promising type of adult stem cell. However, we know little about whether and how the behaviour of DPSCs is influenced by stiffness. MATERIALS AND METHODS: We carried out a study that cultured DPSCs on tunable elasticity polydimethylsiloxane substrates to investigate the influence on morphology, proliferation, osteogenic/odontogenic differentiation and its possible mechanism...
January 17, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29340119/mef2-signaling-and-human-diseases
#20
REVIEW
Xiao Chen, Bing Gao, Murugavel Ponnusamy, Zhijuan Lin, Jia Liu
The members of myocyte Enhancer Factor 2 (MEF2) protein family was previously believed to function in the development of heart and muscle. Recent reports indicate that they are also closely associated with development and progression of many human diseases. Although their role in cancer biology is well established, the molecular mechanisms underlying their action is yet largely unknown. MEF2 family is closely associated with various signaling pathways, including Ca2+ signaling, MAP kinase signaling, Wnt signaling, PI3K/Akt signaling, etc...
December 19, 2017: Oncotarget
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