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https://www.readbyqxmd.com/read/28620131/exosomes-containing-differential-expression-of-microrna-and-mrna-in-osteosarcoma-that-can-predict-response-to-chemotherapy
#1
Ji-Feng Xu, Ya-Ping Wang, Shui-Jun Zhang, Yu Chen, Hai-Feng Gu, Xiao-Fan Dou, Bing Xia, Qing Bi, Shun-Wu Fan
A major challenge in osteosarcoma (OS) is the selection of the most effective chemotherapeutic agents for individual patients, while the administration of ineffective chemotherapy increases mortality and decreases quality of life in patients. This emphasizes the need to evaluate every patient's probability of responding to each chemotherapeutic agent. We developed a profiling strategy for serum exosomal microRNAs and mRNAs in OS patients with differential chemotherapeutic responses. Twelve miRNAs were up regulated and 18 miRNAs were under regulated significantly in OS patient with poor chemotherapeutic response when compared with those in good chemotherapeutic response (p<0...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548965/inhibition-of-colorectal-cancer-genomic-copy-number-alterations-and-chromosomal-fragile-site-tumor-suppressor-fhit-and-wwox-deletions-by-dna-mismatch-repair
#2
Sohail Jahid, Jian Sun, Ozkan Gelincik, Pedro Blecua, Winfried Edelmann, Raju Kucherlapati, Kathy Zhou, Maria Jasin, Zeynep H Gümüş, Steven M Lipkin
Homologous recombination (HR) enables precise DNA repair after DNA double strand breaks (DSBs) using identical sequence templates, whereas homeologous recombination (HeR) uses only partially homologous sequences. Homeologous recombination introduces mutations through gene conversion and genomic deletions through single-strand annealing (SSA). DNA mismatch repair (MMR) inhibits HeR, but the roles of mammalian MMR MutL homologues (MLH1, PMS2 and MLH3) proteins in HeR suppression are poorly characterized. Here, we demonstrate that mouse embryonic fibroblasts (MEFs) carrying Mlh1, Pms2, and Mlh3 mutations have higher HeR rates, by using 7,863 uniquely mapping paired direct repeat sequences (DRs) in the mouse genome as endogenous gene conversion and SSA reporters...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523049/expression-of-cd133-e-cadherin-and-wwox-in-colorectal-cancer-and-related-analysis
#3
Wenwen Sun, Jinxia Dou, Lin Zhang, Likui Qiao, Na Shen, Wenyuan Gao
OBJECTIVE: To detect the expression of CD133, E-cadherin and WWOX in colorectal cancer, analyze the correlations and pathological significance of the biomarkers. METHODS: Two hundred and ten patients with colorectal cancer treated surgically between January 2007 and December 2015 were analyzed retrospectively. All patients had pathologic specimens and integrated clinical data. Pathologic specimens were retrieved for immunohistochemical examination of the expressions of CD133, WWOX and E-cadherin...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521426/exploring-the-mechanism-of-wwox-growth-inhibitory-effects-on-oral-squamous-cell-carcinoma
#4
Wei Yang, Xiao-Ming Wang, Hong-Yan Yuan, Zhi-Hui Liu, Shuang Gao, Liang Peng
Oral squamous cell carcinoma (OSCC) is one of the most common types of head and neck neoplasms in the world. Patients diagnosed with OSCC exhibit a poor prognosis. WW domain-containing oxidoreductase (WWOX), as a candidate tumor-suppressor gene, is involved in the genesis and progression of tumors. The deletion of the WWOX gene has been identified in OSCC and oral leukoplakia, but the function and mechanism of WWOX in OSCC remain unknown. Therefore, the present study investigated the role of WWOX in oral squamous carcinoma cells...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28494505/genome-wide-analysis-of-somatic-copy-number-alterations-and-chromosomal-breakages-in-osteosarcoma
#5
Jan Smida, Hongen Xu, Yanping Zhang, Daniel Baumhoer, Sebastian Ribi, Michal Kovac, Irene von Luettichau, Stefan Bielack, Valerie B O'Leary, Christine Leib-Mösch, Dmitrij Frishman, Michaela Nathrath
Osteosarcoma (OS) is the most common primary malignant bone tumor in children and adolescents. It is characterized by highly complex karyotypes with structural and numerical chromosomal alterations. The observed OS-specific characteristics in localization and frequencies of chromosomal breakages strongly implicate a specific set of responsible driver genes or a specific mechanism of fragility induction. In this study, a comprehensive assessment of somatic copy number alterations (SCNAs) was performed in 160 OS samples using whole-genome CytoScan High Density arrays (Affymetrix, Santa Clara, CA)...
August 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28467973/decreased-wwox-expression-promotes-angiogenesis-in-osteosarcoma
#6
Jia Wen, Zongchao Xu, Jiazhen Li, Yingqiang Zhang, Wenzhe Fan, Yu Wang, Mingjian Lu, Jiaping Li
WWOX (WW domain-containing oxidoreductase) is known to be an important tumor suppressor in cancer. In this study, we used samples from 201 osteosarcoma patients to investigate the effects of WWOX on angiogenesis and invasion. WWOX levels were negatively correlated with RUNX2 and VEGF levels, but were not correlated with OPN levels. Among the clinicopathological characteristics examined, WWOX was associated only with response to neoadjuvant chemotherapy, and its expression in osteosarcoma tissues was a predictor of disease-free survival...
April 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426730/functional-genetic-variant-of-ww-domain-containing-oxidoreductase-wwox-gene-is-associated-with-hepatocellular-carcinoma-risk
#7
Hsiang-Lin Lee, Hsin-Lin Cheng, Yu-Fan Liu, Ming-Chih Chou, Shun-Fa Yang, Ying-Erh Chou
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. Human WW domain-containing oxidoreductase (WWOX) gene has been identified as a tumor suppressor gene in multiple cancers. We hypothesize that genetic variations in WWOX are associated with HCC risk. METHODOLOGY/PRINCIPAL FINDINGS: Five single-nucleotide polymorphisms (SNPs) of the WWOX gene were evaluated from 708 normal controls and 354 patients with HCC. We identified a significant association between a WWOX single nucleotide polymorphism (SNP), rs73569323, and decreased risk of HCC...
2017: PloS One
https://www.readbyqxmd.com/read/28386190/establishment-of-apoptotic-regulatory-network-for-genetic-markers-of-colorectal-cancer-and-optimal-selection-of-traditional-chinese-medicine-target
#8
Tongde Tian, Chuanliang Chen, Feng Yang, Jingwen Tang, Junwen Pei, Bian Shi, Ning Zhang, Jianhua Zhang
The paper aimed to screen out genetic markers applicable to early diagnosis for colorectal cancer and establish apoptotic regulatory network model for colorectal cancer, and to analyze the current situation of traditional Chinese medicine (TCM) target, thereby providing theoretical evidence for early diagnosis and targeted therapy of colorectal cancer. Taking databases including CNKI, VIP, Wanfang data, Pub Med, and MEDLINE as main sources of literature retrieval, literatures associated with genetic markers that are applied to early diagnosis of colorectal cancer were searched and performed comprehensive and quantitative analysis by Meta analysis, hence screening genetic markers used in early diagnosis of colorectal cancer...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28386169/establishment-of-apoptotic-regulatory-network-for-genetic-markers-of-colorectal-cancer
#9
Yibin Hao, Guoyong Shan, Kejun Nan
Our purpose is to screen out genetic markers applicable to early diagnosis for colorectal cancer and to establish apoptotic regulatory network model for colorectal cancer, thereby providing theoretical evidence and targeted therapy for early diagnosis of colorectal cancer. Taking databases including CNKI, VIP, Wanfang data, Pub Med, and MEDLINE as main sources of literature retrieval, literatures associated with genetic markers applied to early diagnosis of colorectal cancer were searched to perform comprehensive and quantitative analysis by Meta analysis, hence screening genetic markers used in early diagnosis of colorectal cancer...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28373548/editorial-expression-of-concern-wwox-gene-restoration-prevents-lung-cancer-growth-in-vitro-and-in-vivo
#10
(no author information available yet)
No abstract text is available yet for this article.
April 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28283473/loss-of-lung-wwox-expression-causes-neutrophilic-inflammation
#11
Sunit Singla, Jiwang Chen, Shruthi Sethuraman, Justin R Sysol, Amulya Gampa, Shuangping Zhao, Roberto F Machado
The tumor suppressor WW domain-containing oxidoreductase (WWOX) exhibits regulatory interactions with an array of transcription factors and signaling molecules that are positioned at the well-known crossroads between inflammation and cancer. WWOX is also subject to downregulation by genotoxic environmental exposures, making it of potential interest to the study of lung pathobiology. Knockdown of lung WWOX expression in mice was observed to cause neutrophil influx and was accompanied by a corresponding vascular leak and inflammatory cytokine production...
June 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28280357/a-new-tumor-suppressor-lncrna-rp11-190d6-2-inhibits-the-proliferation-migration-and-invasion-of-epithelial-ovarian-cancer-cells
#12
Wenxian Tong, Liu Yang, Qiang Yu, Jie Yao, Anbing He
At present, a large number of long noncoding RNAs (lncRNAs) from the human genome have been discovered. Meanwhile, emerging evidence has indicated that lncRNAs could play a critical role in the regulation of cellular processes such as cancer progression and metastasis. However, the functions of some new lncRNAs in the complex transcriptional process are mostly unknown at present. Existing studies suggest that loss of WW domain-containing oxidoreductase (WWOX) expression is linked with poor prognosis in numerous cancers, including epithelial ovarian cancer (EOC)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28199992/fragile-genes-that-are-frequently-altered-in-cancer-players-not-passengers
#13
REVIEW
Jenna R Karras, Morgan S Schrock, Bahadir Batar, Kay Huebner
FHIT, located at FRA3B, is one of the most commonly deleted genes in human cancers, and loss of FHIT protein is one of the earliest events in cancer initiation. However, location of FHIT at a chromosomal fragile site, a locus prone to breakage and gap formation under even mild replication stress, has encouraged claims that FHIT loss is a passenger event in cancers. We summarize accumulated evidence that FHIT protein functions as a genome "caretaker" required to protect the stability of genomes of normal cells of most tissues from agents causing intrinsic and extrinsic DNA damage...
2016: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28151481/epigenetic-regulation-of-hgf-met-receptor-axis-is-critical-for-the-outgrowth-of-bone-metastasis-from-breast-carcinoma
#14
Paola Bendinelli, Paola Maroni, Emanuela Matteucci, Maria Alfonsina Desiderio
Our translational research deals with the influence of microenvironment on the phenotype and colonization of bone metastases from breast carcinoma, and on pre-metastatic niche formation. The aim of the present study was to clarify the origin of hepatocyte growth factor (HGF), ligand of Met receptor, the control of the axis HGF/Met by DNA methylation, and its importance for the nexus supportive cells-metastatic cells and for metastasis outgrowth. In bone metastasis of the 1833-xenograft model, DNA methyltransferase blockade using the chemotherapic drug 5-aza-2'-deoxycytidine (decitabine) strongly reduced the expression of HGF/Met receptor axis and of E-cadherin, with decrease of metastasis wideness and osteolysis, prolonging mice survival...
February 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28130116/diagnostic-yield-of-targeted-gene-panel-sequencing-to-identify-the-genetic-etiology-of-disorders-of-sex-development
#15
Ja Hye Kim, Eungu Kang, Sun Hee Heo, Gu-Hwan Kim, Ja-Hyun Jang, Eun-Hae Cho, Beom Hee Lee, Han-Wook Yoo, Jin-Ho Choi
Disorders of sex development (DSD) vary phenotypically and are caused by a number of genetic etiologies. This study investigated the genetic etiology of DSD patients using targeted exome sequencing of 67 known DSD-associated genes in humans. This study included 37 patients with 46, XY DSD and seven patients with 46, XX DSD. We identified known pathogenic mutations or deletion in nine (20.5%) patients in the AR, CYP17A1, SRD5A1, and DMRT1/2 genes. Novel variants were identified in nine patients (20.5%) in the AR, ATRX, CYP17A1, CHD7, MAP3K1, NR5A1, and WWOX genes...
January 24, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28045433/functions-and-epigenetic-regulation-of-wwox-in-bone-metastasis-from-breast-carcinoma-comparison-with-primary-tumors
#16
REVIEW
Paola Maroni, Emanuela Matteucci, Paola Bendinelli, Maria Alfonsina Desiderio
Epigenetic mechanisms influence molecular patterns important for the bone-metastatic process, and here we highlight the role of WW-domain containing oxidoreductase (Wwox). The tumor-suppressor Wwox lacks in almost all cancer types; the variable expression in osteosarcomas is related to lung-metastasis formation, and exogenous Wwox destabilizes HIF-1α (subunit of Hypoxia inducible Factor-1, HIF-1) affecting aerobic glycolysis. Our recent studies show critical functions of Wwox present in 1833-osteotropic clone, in the corresponding xenograft model, and in human bone metastasis from breast carcinoma...
January 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27999774/hyal-2-wwox-smad4-signaling-in-cell-death-and-anticancer-response
#17
REVIEW
Li-Jin Hsu, Ming-Fu Chiang, Chun-I Sze, Wan-Pei Su, Ye Vone Yap, I-Ting Lee, Hsiang-Ling Kuo, Nan-Shan Chang
Hyaluronidase HYAL-2 is a membrane-anchored protein and also localizes, in part, in the lysosome. Recent study from animal models revealed that both HYAL-1 and HYAL-2 are essential for the metabolism of hyaluronan (HA). Hyal-2 deficiency is associated with chronic thrombotic microangiopathy with hemolytic anemia in mice due to over accumulation of high molecular size HA. HYAL-2 is essential for platelet generation. Membrane HYAL-2 degrades HA bound by co-receptor CD44. Also, in a non-canonical signal pathway, HYAL-2 serves as a receptor for transforming growth factor beta (TGF-β) to signal with downstream tumor suppressors WWOX and SMAD4 to control gene transcription...
2016: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/27869163/wwox-brca1-interaction-role-in-dna-repair-pathway-choice
#18
M S Schrock, B Batar, J Lee, T Druck, B Ferguson, J H Cho, K Akakpo, H Hagrass, N A Heerema, F Xia, J D Parvin, C M Aldaz, K Huebner
In this study, loss of expression of the fragile site-encoded Wwox protein was found to contribute to radiation and cisplatin resistance of cells, responses that could be associated with cancer recurrence and poor outcome. WWOX gene deletions occur in a variety of human cancer types, and reduced Wwox protein expression can be detected early during cancer development. We found that Wwox loss is followed by mild chromosome instability in genomes of mouse embryo fibroblast cells from Wwox-knockout mice. Human and mouse cells deficient for Wwox also exhibit significantly enhanced survival of ionizing radiation and bleomycin treatment, agents that induce double-strand breaks (DSBs)...
April 20, 2017: Oncogene
https://www.readbyqxmd.com/read/27845895/hyaluronan-activates-hyal-2-wwox-smad4-signaling-and-causes-bubbling-cell-death-when-the-signaling-complex-is-overexpressed
#19
Li-Jin Hsu, Qunying Hong, Shur-Tzu Chen, Hsiang-Lin Kuo, Lori Schultz, John Heath, Sing-Ru Lin, Ming-Hui Lee, Dong-Zhang Li, Zih-Ling Li, Hui-Ching Cheng, Gerard Armand, Nan-Shan Chang
Malignant cancer cells frequently secrete significant amounts of transforming growth factor beta (TGF-β), hyaluronan (HA) and hyaluronidases to facilitate metastasizing to target organs. In a non-canonical signaling, TGF-β binds membrane hyaluronidase Hyal-2 for recruiting tumor suppressors WWOX and Smad4, and the resulting Hyal-2/WWOX/Smad4 complex is accumulated in the nucleus to enhance SMAD-promoter dependent transcriptional activity. Yeast two-hybrid analysis showed that WWOX acts as a bridge to bind both Hyal-2 and Smad4...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/27834355/wwox-inhibits-the-invasion-of-lung-cancer-cells-by-downregulating-runx2
#20
Q-W Zheng, Y-L Zhou, Q-J You, F Shou, Q-F Pang, J-L Chen
The WW domain-containing oxidoreductase (WWOX) is a tumor suppressor that is lost or decreased in most human tumors. The role of WWOX in human lung carcinoma invasion is still not clear. This study aimed to elucidate the potential role of WWOX in lung cancer cell invasion. WWOX mRNA levels in human lung cancers and lung cancer cell lines were assayed by quantitative real-time PCR. WWOX in lung cancer cell lines was manipulated by transfection of expression vector or small interfering RNA. Cell migration and invasion were assessed by wound healing and/or transwell migration and invasion assays...
December 2016: Cancer Gene Therapy
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