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https://www.readbyqxmd.com/read/29642935/sp1-induced-upregulation-of-lncrna-spry4-it1-exerts-oncogenic-properties-by-scaffolding-ezh2-lsd1-dnmt1-and-sponging-mir-101-3p-in-cholangiocarcinoma
#1
Yi Xu, Yue Yao, Xingming Jiang, Xiangyu Zhong, Zhidong Wang, Chunlong Li, Pengcheng Kang, Kaiming Leng, Daolin Ji, Zhenglong Li, Lining Huang, Wei Qin, Yunfu Cui
BACKGROUND: Accumulating evidence has indicated that long non-coding RNAs (lncRNAs) behave as a novel class of transcription products during multiple cancer processes. However, the mechanisms responsible for their alteration in cholangiocarcinoma (CCA) are not fully understood. METHODS: The expression of SPRY4-IT1 in CCA tissues and cell lines was determined by RT-qPCR, and the association between SPRY4-IT1 transcription and clinicopathologic features was analyzed...
April 11, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29605672/mir-31-mediates-inflammatory-signaling-to-promote-re-epithelialization-during-skin-wound-healing
#2
Jianyun Shi, Xianghui Ma, Yang Su, Yongli Song, Yuhua Tian, Shukai Yuan, Xiuqing Zhang, Dong Yang, Hao Zhang, Jianwei Shuai, Wei Cui, Fazheng Ren, Maksim V Plikus, Yaoxing Chen, Jie Luo, Zhengquan Yu
Wound healing is essential for skin repair after injury, and consists of hemostasis, inflammation, re-epithelialization and remodeling phases. Successful re-epithelialization, which relies on proliferation and migration of epidermal keratinocytes, requires reduction in tissue inflammation. Therefore, understanding the molecular mechanism underlying the transition from inflammation to re-epithelialization will help to better understand the principles of wound healing. Currently, the in vivo functions of specific microRNAs in wound healing are not fully understood...
March 29, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29575229/differential-expression-and-prognostic-value-of-long-non-coding-rna-in-hpv-negative-head-and-neck-squamous-cell-carcinoma
#3
Sulsal-Ul Haque, Liang Niu, Damaris Kuhnell, Jacob Hendershot, Jacek Biesiada, Wen Niu, Matthew C Hagan, Karl T Kelsey, Keith A Casper, Trisha M Wise-Draper, Mario Medvedovic, Scott M Langevin
BACKGROUND: Long non-coding RNA (lncRNA) has emerged as a new avenue of interest due to its various biological functions in cancer. Abnormal expression of lncRNA has been reported in other malignancies but has been understudied in head and neck squamous cell carcinoma (HNSCC). METHODS: The lncRNA expression was interrogated via quantitative real-time polymerase chain reaction (qRT-PCR) array for 19 human papillomavirus (HPV)-negative HNSCC tumor-normal pairs. The Cancer Genome Atlas (TCGA) was used to validate these results...
March 25, 2018: Head & Neck
https://www.readbyqxmd.com/read/29551494/upregulated-long-non-coding-rna-spry4-it1-predicts-dismal-prognosis-for-pancreatic-ductal-adenocarcinoma-and-regulates-cell-proliferation-and-apoptosis
#4
Yue Yao, Ping Gao, Lili Chen, Wei Wang, Jinchao Zhang, Qiang Li, Yi Xu
Recently, long noncoding RNAs (lncRNAs) have been emerged as pivotal regulators in various human cancers, including pancreatic ductal adenocarcinoma (PDAC). SPRY4-intronic transcript 1 (SPRY4-IT1) was reported to be upregulated in some kind of human cancers. Here, we elucidated the biological functions and possible clinical values of SPRY4-IT1 on PDAC. In present study, expression of SPRY4-IT1 in PDAC tissues and corresponding normal tissues were explored by qRT-PCR experiments. The link between SPRY4-IT1 expression levels and clinicopathological significance was further analyzed...
March 15, 2018: Gene
https://www.readbyqxmd.com/read/29489909/long-non-coding-rna-spry4-it1-promotes-cell-proliferation-and-invasion-by-regulation-of-cdc20-in-pancreatic-cancer-cells
#5
Wenhao Guo, Kunhong Zhong, Heng Wei, Chunlai Nie, Zhu Yuan
Accumulating evidence has demonstrated that long non-coding RNAs (lncRNAs) play a critical role in the development of human cancers including pancreatic cancer. Long non-coding RNA SPRY4-IT1 (sprouty4-intron transcript 1) has been reported to play an oncogenic role in various types of human carcinomas. However, the role of SPRY4-IT1 in pancreatic cancer is unclear. The objective of this study was to determine the function of SPRY4-IT1 on proliferation and invasion in pancreatic cancer. In the current study, we dissected the function and mechanism of SPRY4-IT1 by multiple approaches including Real-time RT-PCR, Western blotting analysis, MTT assay, Wound healing assay, Transwell assay, and transfection...
2018: PloS One
https://www.readbyqxmd.com/read/29484753/the-long-non-coding-rna-spry4-it1-an-emerging-player-in-tumorigenesis-and-osteosarcoma
#6
REVIEW
Zheng Li, Jianxiong Shen, Matthew T V Chan, William Ka Kei Wu
Accumulating evidence from genome-wide analysis and functional studies has begun to unveil the important role of long non-coding RNAs (lncRNAs) in cancer development. The lncRNA SPRY4-IT1 is derived from an intron of SPRY4 gene and was originally reported to be upregulated in melanoma in which it functioned as an oncogene. Since this discovery, an increasing number of studies have investigated the expression and function of SPRY4-IT1 in human cancers. Aberrant expression of SPRY4-IT1 has now been documented in different cancer types, including osteosarcoma, breast, renal, oesophageal and prostate cancers...
February 27, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29467908/long-non-coding-rna-spry4-it1-promotes-the-proliferation-and-invasion-of-u251-cells-through-upregulation-of-ska2
#7
Xiao-Jun He, Er-Bao Bian, Chun-Chun Ma, Chao Wang, Hong-Liang Wang, Bing Zhao
The long non-coding RNA SPRY4-intronic transcript 1 (SPRY4-IT1) has been shown to promote the progression of cancer; however, the role of SPRY4-IT1 in glioma remains unclear. The present study demonstrated that SPRY4-IT1 expression was markedly increased in glioma tissues and cells compared with normal brain tissues, whereas knockdown of SPRY4-IT1 inhibited cell proliferation, migration, and invasion in U251 cells. Spindle and kinetochore associated complex subunit 2 (SKA2) was found to be a target of SPRY4-IT1 and was downregulated by SPRY4-IT1-knockdown...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29410498/knockdown-of-spry4-and-spry4-it1-inhibits-cell-growth-and-phosphorylation-of-akt-in-human-testicular-germ-cell-tumours
#8
Mrinal K Das, Kari Furu, Herman F Evensen, Øyvind P Haugen, Trine B Haugen
Testicular germ cell tumour (TGCT) is the most common cancer in young men in large parts of the world, but the aetiology is mainly unknown. Genome-wide association studies have so far identified about 50 susceptibility loci associated with TGCT, including SPRY4. SPRY4 has shown tumour suppressor activity in several cancer cells, such as lung and prostate, while it was found to act as an oncogene in ovarian cancer. An intronic region within the SPRY4 gene produces a long non-coding RNA, SPRY4-IT1, which has been reported to act as an oncogene in melanoma, breast cancer, and colorectal cancer, and as a tumour suppressor in lung cancer...
February 6, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29300379/the-role-of-smad3-in-the-genetic-predisposition-to-papillary-thyroid-carcinoma
#9
Yanqiang Wang, Huiling He, Sandya Liyanarachchi, Luke K Genutis, Wei Li, Lianbo Yu, John E Phay, Rulong Shen, Pamela Brock, Albert de la Chapelle
PurposeTo identify and characterize the functional variants, regulatory gene networks, and potential binding targets of SMAD3 in the 15q22 thyroid cancer risk locus.MethodsWe performed linkage disequilibrium (LD) and haplotype analyses to fine map the 15q22 locus. Luciferase reporter assays were applied to evaluate the regulatory effects of the candidate variants. Knockdown by small interfering RNA, microarray analysis, chromatin immunoprecipitation (ChIP) and quantitative real-time polymerase chain reaction assays were performed to reveal the regulatory gene network and identify its binding targets...
January 4, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29242380/insights-into-the-proteome-of-gastrointestinal-stromal-tumors-derived-exosomes-reveals-new-potential-diagnostic-biomarkers
#10
Safinur Atay, Daniel W Wilkey, Mohammed Milhem, Michael Merchant, Andrew K Godwin
Developing tumors continuously release nano-sized vesicles that represent circulating "fingerprints" of the tumor's identity. In gastrointestinal stromal tumor (GIST), we have previously reported that these tumors release "oncosomes" carrying the constitutively activated tyrosine kinase (TK) receptor KIT. Despite the clinical utility of TK inhibitors, such as imatinib mesylate (IM), recurrence and metastasis are clinical problems that urge the need to identify new tumor-derived molecules...
March 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29234152/lncrna-spry4-it-was-concerned-with-the-poor-prognosis-and-contributed-to-the-progression-of-thyroid-cancer
#11
Haoyu Zhou, Zhihua Sun, Songwei Li, Xiaofeng Wang, Xuejun Zhou
Long non-coding RNAs (lncRNAs) have been demonstrated to be critical regulators in tumorigenesis. LncRNA SPRY4-IT1 has been identified as critical regulator for hepatocellular carcinoma and ovarian cancer. However, the potential role and clinical value of SPRY4-IT1 in human thyroid cancer (TC) still remain unclear and need to be uncovered. Our current study was aimed to ascertain the biological role of expression of SPRY4-IT1 in TC tissues and cells. Our findings revealed that the level of SPRY4-IT1 was significantly upregulated in TC tissues and cell lines, which was correlated with poor prognosis...
December 12, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/29214989/long-non-coding-rna-spry4-it1-promotes-development-of-hepatic-cellular-carcinoma-by-interacting-with-err%C3%AE-and-predicts-poor-prognosis
#12
Guifang Yu, Jieheng Lin, Chengcheng Liu, Kailian Hou, Min Liang, Boyun Shi
Hepatocellular carcinoma (HCC) has become one of the most common leading causes of cancer-related deaths worldwide. This study investigates the role of lncRNA, SPRY4-IT1 in the development of HCC. Quantitative real-time PCR (qRT-PCR) was performed and the results showed that SPRY4-IT1 expression was up-regulated in HCC tissues and high expression of SPRY4-IT1 was associated with poor 5-year overall survival in the HCC patient cohort. Clinicopathological analysis showed that the expression of SPRY4-IT1 was significantly correlated with TNM stage in HCC patients...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29168882/fibroblast-growth-factor-2-regulates-activity-and-gene-expression-of-human-post-mitotic-excitatory-neurons
#13
Shweta Gupta, Tanya M-Redmond, Fan Meng, Andrew Tidball, Huda Akil, Stanley Watson, Jack M Parent, Michael Uhler
Many neuropsychiatric disorders are thought to result from subtle changes in neural circuit formation. We used human embryonic stem cells and induced pluripotent stem cells (hiPSCs) to model mature, post-mitotic excitatory neurons and examine effects of fibroblast growth factor 2 (FGF2). FGF2 gene expression is known to be altered in brain regions of major depressive disorder (MDD) patients and FGF2 has anti-depressive effects in animal models of depression. We generated stable inducible neurons (siNeurons) conditionally expressing human neurogenin-2 (NEUROG2) to generate a homogenous population of post-mitotic excitatory neurons and study the functional as well as the transcriptional effects of FGF2...
November 23, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29145271/tug1-spry4-it1-and-hulc-as-valuable-prognostic-biomarkers-of-survival-in-cancer-a-prisma-compliant-meta-analysis
#14
Yucheng Zhong, Zhicong Chen, Shuyuan Guo, Xinhui Liao, Haibiao Xie, Yien Zheng, Bin Cai, Peixian Huang, Yuhan Liu, Qun Zhou, Yuchen Liu, Weiren Huang
BACKGROUND: Long noncoding RNAs (LncRNAs) are involved in the development and progression of various cancers. Accumulating evidences indicated that expression of lncRNAs was related to the prognosis of tumors. METHODS: Here, 3 well-known lncRNAs associated with cancer were gathered to prove the potential role of lncRNAs as novel predictors of survival in human cancer. This meta-analysis collected all eligible studies about TUG1, SPRY4-IT1, and HULC and explored the relationship between lncRNAs expression and lymph node metastasis (LNM) or overall survival (OS)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048686/mir-1908-as-a-novel-prognosis-marker-of-glioma-via-promoting-malignant-phenotype-and-modulating-spry4-raf1-axis
#15
Zhi Chai, Huijie Fan, Yanyan Li, Lijuan Song, Xiaoming Jin, Jiezhong Yu, Yanhua Li, Cungen Ma, Ran Zhou
MicroRNAs (miRNAs) are reported to be involved in the development of glioma. However, study on miRNAs in glioma is limited. The present study aimed to identify miRNAs which can act as potential novel prognostic markers for glioma and analyze its possible mechanism. We show that miR-1908 correlates with shorter survival time of glioma patients via promoting cell proliferation, invasion, anti-apoptosis and regulating SPRY4/RAF1 axis. Analysis of GEO and TCGA database found that miR-1908 was significantly upregulated in glioma tissues, and strongly associated with shorter survival time of glioma patients...
September 26, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28965279/long-non-coding-rna-spry4-it1-can-predict-poor-prognosis-in-digestive-system-malignancies-a-meta-analysis
#16
Cheng Sun, Yangyang Ding, Shimin Wang, Wei Hu
Recent studies have reported that long non-coding RNA SPRY4 intron transcript 1 (SPRY4-IT1) is abnormally expressed in malignant digestive tumors and associated with prognosis. But its clinical relevance is unclear. Here, we performed a meta-analysis aims to evaluate the prognostic value of SPRY4-IT1 in digestive system malignancies. We systematic search the PubMed, Web of Science, ScienceDirect and Wiley Online Library database to eligible studies. The pooled hazard ratios (HRs) with a 95% confidence interval (95% CI) were calculated to explored the association of lncRNA SPRY4-IT1 with prognosis...
September 30, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28940816/clinical-impact-of-kmt2c-and-spry4-expression-levels-in-intensively-treated-younger-adult-acute-myeloid-leukemia-patients
#17
Sabine Kayser, Maximilian Feszler, Julia Krzykalla, Matthias Schick, Michael Kramer, Axel Benner, Felicitas Thol, Uwe Platzbecker, Carsten Müller-Tidow, Anthony D Ho, Gerhard Ehninger, Michael Heuser, Richard F Schlenk, Christian Thiede, Christoph Röllig, Alwin Krämer
OBJECTIVE: To evaluate the prognostic impact of gene expression levels (ELs) of two tumor suppressor genes, sprouty 4 (SPRY4, located on 5q) and lysine methyltransferase 2C (KMT2C, located on 7q) in correlation with clinical characteristics and genetic abnormalities assessed at initial diagnosis in acute myeloid leukemia (AML). METHOD: Gene expression levels were measured on cDNA by RT-qPCR from diagnostic bone marrow samples of 275 intensively treated adult AML patients (median age, 48 years)...
September 22, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28881629/up-regulation-of-long-non-coding-rna-spry4-it1-promotes-tumor-cell-migration-and-invasion-in-lung-adenocarcinoma
#18
Xia Zhang, Qingyan Chi, Zhenhua Zhao
Long non-coding RNAs (lncRNAs) play important role in a variety of biological processes, and are tightly associated with tumorigenesis and cancer prognosis. However, the potential power of lncRNA signatures in predicting survival of patients with lung adenocarcinoma (LUAD) has not been investigated. Here, we identified a four-lncRNA signature (SPRY4-IT1, LINC00941,GPR158-AS1 and KCNK15-AS1) displaying prognostic values for LUAD using The Cancer Genome Atlas (TCGA) dataset. Based on the four-lncRNA signature, the LUAD patients can be classified into high-risk and low-risk groups with significantly different survival...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28796375/effects-of-long-noncoding-rna-spry4-it1-mediated-ezh2-on-the-invasion-and-migration-of-lung-adenocarcinoma
#19
Xin Wen, Xin-Rui Han, Yong-Jian Wang, Shao-Hua Fan, Juan Zhuang, Zi-Feng Zhang, Qun Shan, Meng-Qiu Li, Bin Hu, Chun-Hui Sun, Qiao Wu, Jun-Hua Tan, Dong-Mei Wu, Jun Lu, Yuan-Lin Zheng
We aim to investigate the interaction between the EZH2 and the long noncoding RNA (lncRNA) SPRY4-IT1. We also explore their respective effects on human lung adenocarcinoma (LA) cell invasion and migration. Both LA and adjacent normal tissues were obtained from 256 LA patients. SPTY4-IT expression and EZH2 mRNA expressions in tissues and cells were detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR). The siRNAs against SPRY4-IT1 and EZH2 were co-transfected into A549 and H1975 cells...
February 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28732181/irf6-and-spry4-signaling-interact-in-periderm-development
#20
Y A Kousa, R Roushangar, N Patel, A Walter, P Marangoni, R Krumlauf, O D Klein, B C Schutte
Rare mutations in IRF6 and GRHL3 cause Van der Woude syndrome, an autosomal dominant orofacial clefting disorder. Common variants in IRF6 and GRHL3 also contribute risk for isolated orofacial clefting. Similarly, variants within genes that encode receptor tyrosine kinase (RTK) signaling components, including members of the FGF pathway, EPHA3 and SPRY2, also contribute risk for isolated orofacial clefting. In the mouse, loss of Irf6 or perturbation of Fgf signaling leads to abnormal oral epithelial adhesions and cleft palate...
October 2017: Journal of Dental Research
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