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https://www.readbyqxmd.com/read/28322459/effects-of-microrna-19b-on-the-proliferation-apoptosis-and-migration-of-wilms-tumor-cells-via-the-pten-pi3k-akt-signaling-pathway
#1
Ge-Liang Liu, Han-Jie Yang, Bo Liu, Tian Liu
Wilms' tumor (WT) is a most common renal cancer that occurs among children, and microRNA-19b (miR-19b) usually participates in various human cancers. Importantly, the PTEN/PI3K/Akt signaling pathway plays a key role in cell apoptosis, growth and proliferation. Thus, our present study aims to investigate the effect of miR-19b on the PTEN/PI3K/Akt signaling pathway during WT cell proliferation, migration and apoptosis. WT tissues and adjacent normal tissues from WT patients were collected. qRT-PCR was applied to detect miR-19b expression in both the WT tissues and the adjacent normal tissues, immunohistochemistry was applied to detect the protein expressions of PTEN, P13K and p-Akt, SK-NEP-1 cells were divided into the blank, negative control (NC), miR-19b mimics and miR-19b inhibitors groups...
March 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28321480/a-new-peptide-vaccine-ocv-501-in-vitro-pharmacology-and-phase-1-study-in-patients-with-acute-myeloid-leukemia
#2
Yukio Kobayashi, Toru Sakura, Shuichi Miyawaki, Kazuyuki Toga, Shinji Sogo, Yuji Heike
Wilms' tumor 1 (WT1) is a promising target of new immunotherapies for acute myeloid leukemia (AML) as well as for other cancers. OCV-501 is a helper peptide derived from the WT1 protein. OCV-501 induced OCV-501-specific Type 1 T-helper (Th1) responses dose-dependently and stimulated helper activity of the specific Th1 cells in peripheral blood mononuclear cells from healthy donors. OCV-501 also enhanced the increase in WT1-killer peptide-specific cytotoxic T lymphocytes. OCV-501 stimulated the OCV-501-specific Th1 clones in an HLA class-II restricted manner and formed a complex with HLA class-II protein...
March 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28301057/the-correlation-between-lin28b-gene-potentially-functional-variants-and-wilms-tumor-susceptibility-in-chinese-children
#3
Wen Fu, Guo-Chang Liu, Zhang Zhao, Jinhong Zhu, Wei Jia, Shi-Bo Zhu, Jin-Hua Hu, Feng-Hua Wang, Jing He, Huimin Xia
BACKGROUND: Wilms tumor (WT) is the most common urologic cancer in children. However, genetic bases underlying WT remain largely unknown. Previous studies indicated that Lin28 homolog B (LIN28B) level is significantly elevated in some WTs. Enforced expression of Lin28b during kidney development could induce WT. Genetic variations in the LIN28B gene may be related to WT susceptibility. METHOD: In this study, we aimed to assess the association between LIN28B gene polymorphisms and WT susceptibility in Chinese children...
March 16, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28299466/development-of-oral-cancer-vaccine-using-recombinant-bifidobacterium-displaying-wilms-tumor-1-protein
#4
Koichi Kitagawa, Tsugumi Oda, Hiroki Saito, Ayame Araki, Reina Gonoi, Katsumi Shigemura, Yoshiko Hashii, Takane Katayama, Masato Fujisawa, Toshiro Shirakawa
Several types of vaccine-delivering tumor-associated antigens (TAAs) have been developed in basic and clinical research. Wilms' tumor 1 (WT1), identified as a gene responsible for pediatric renal neoplasm, is one of the most promising TAA for cancer immunotherapy. Peptide and dendritic cell-based WT1 cancer vaccines showed some therapeutic efficacy in clinical and pre-clinical studies but as yet no oral WT1 vaccine can be administrated in a simple and easy way. In the present study, we constructed a novel oral cancer vaccine using a recombinant Bifidobacterium longum displaying WT1 protein...
March 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28288142/serine-hydroxymethyl-transferase-1-stimulates-pro-oncogenic-cytokine-expression-through-sialic-acid-to-promote-ovarian-cancer-tumor-growth-and-progression
#5
R Gupta, Q Yang, S K Dogra, N Wajapeyee
High-grade serous (HGS) ovarian cancer accounts for 90% of all ovarian cancer-related deaths. However, factors that drive HGS ovarian cancer tumor growth have not been fully elucidated. In particular, comprehensive analysis of the metabolic requirements of ovarian cancer tumor growth has not been performed. By analyzing The Cancer Genome Atlas mRNA expression data for HGS ovarian cancer patient samples, we observed that six enzymes of the folic acid metabolic pathway were overexpressed in HGS ovarian cancer samples compared with normal ovary samples...
March 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28260929/association-between-tp53-gene-arg72pro-polymorphism-and-wilms-tumor-risk-in-a-chinese-population
#6
Wen Fu, Zhen-Jian Zhuo, Wei Jia, Jinhong Zhu, Shi-Bo Zhu, Ze-Feng Lin, Feng-Hua Wang, Huimin Xia, Jing He, Guo-Chang Liu
Wilms' tumor is one of the most prevalent pediatric malignancies, ranking fourth in childhood cancer worldwide. TP53 is a critical tumor suppressor gene, which encodes a 53 kDa protein, p53. The p53 functions to protect against cancer by regulating cell cycle and apoptosis and maintaining DNA integrity. TP53 gene is highly polymorphic. Several TP53 gene polymorphisms have been considered to be associated with cancer risk. Of them, a nonsynonymous polymorphism, Arg72Pro (rs1042522 C>G), has been most extensively studied for the association with cancer risk; however, few studies have investigated its effect on Wilms' tumor...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28254151/role-of-cyclooxygenase-2-pathway-in-creating-an-immunosuppressive-microenvironment-and-in-initiation-and-progression-of-wilms-tumor
#7
Paramahamsa Maturu, Devin Jones, E Cristy Ruteshouser, Qianghua Hu, Joseph M Reynolds, John Hicks, Nagireddy Putluri, Suhendan Ekmekcioglu, Elizabeth A Grimm, Chen Dong, Willem W Overwijk
Wilms' tumors (WT), which accountfor 6% of all childhood cancers, arise from dysregulated differentiation of nephrogenic progenitor cells from embryonic kidneys. Though there is an improvement in the prognosis of WT, still 10% of patients with WT die due to recurrence. Thus more effective treatment approaches are necessary. We previously characterized the inflammatory microenvironment in human WT and observed the robust expression of COX-2. The aim of this study was to extend our studies to analyze the role of COX-2 pathway components in WT progression using a mouse model of WT...
March 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28243131/axl-promotes-the-proliferation-invasion-and-migration-of-wilms-tumor-and-can-be-used-as-a-prognostic-factor
#8
Shibo Zhu, Guochang Liu, Wen Fu, Jinhua Hu, Kai Fu, Wei Jia
PURPOSE: Overexpression of Axl has been reported in many tumors, where it promotes tumorigenesis and progression, as well as correlates with the prognosis of different malignancies. However, Axl expression and its function have rarely been reported in Wilms' tumor (WT). This study aimed to reveal the clinical significance of Axl expression in patients with WT and determine its mechanisms. MATERIALS AND METHODS: We analyzed the expression of Axl and its correlations with various clinicopathological features in 72 WT tissues and 72 adjacent non-cancerous tissues by immunohistochemistry...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28237837/a-novel-dna-vaccine-platform-enhances-neo-antigen-like-t-cell-responses-against-wt1-to-break-tolerance-and-induce-anti-tumor-immunity
#9
Jewell N Walters, Bernadette Ferraro, Elizabeth K Duperret, Kimberly A Kraynyak, Jaemi Chu, Ashley Saint-Fleur, Jian Yan, Hy Levitsky, Amir S Khan, Niranjan Y Sardesai, David B Weiner
Tumor-associated antigens have emerged as important immunotherapeutic targets in the fight against cancer. Germline tumor antigens, such as WT1, Wilms' tumor gene 1, are overexpressed in many human malignancies but have low expression in somatic tissues. Recent vaccination approaches to target WT1 have been hampered by poor in vivo immune potency, likely due to the conserved self-antigen nature of WT1. In this study, we use a novel synthetic micro-consensus SynCon DNA vaccine approach with the goal of breaking tolerance and increasing vaccine immune potency...
February 22, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28211128/staged-intraperitoneal-brachytherapy-and-hyperthermic-intraperitoneal-chemotherapy-in-an-adolescent-novel-anesthetic-challenges-for-pediatric-anesthetists
#10
Andrew D Weatherall, Tristan R Bennett, Mark Lovell, Winnie Fung, Jonathan de Lima
Newer techniques that have found a place in cancer management in adults are offered far less commonly in pediatric patients. We present a case of a patient with recurrent Wilms' tumor managed with a novel combination of cytoreductive surgery, intraperitoneal brachytherapy, and subsequent hyperthermic intraperitoneal chemotherapy. Each stage presents challenges that the pediatric anesthetist is unlikely to have faced before. Such cases require flexibility and thorough planning to manage the combination of major surgery, remote anesthesia with brachytherapy and hyperthermic chemotherapy with its potential for metabolic derangement, significant fluid shifts, analgesic care, and potential exposure of staff to cytotoxic agents...
February 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28196410/mesothelin-expression-in-gastric-adenocarcinoma-and-its-relation-to-clinical-outcomes
#11
Song-Hee Han, Mee Joo, Hanseong Kim, Sunhee Chang
BACKGROUND: Although surgical resection with chemotherapy is considered effective for patients with advanced gastric cancer, it remains the third leading cause of cancer-related death in South Korea. Several studies have reported that mesothelial markers including mesothelin, calretinin, and Wilms tumor protein 1 (WT1) were positive in variable carcinomas, associated with prognosis, and were evaluated as potential markers for targeted therapy. The aim of this study was to assess the immunohistochemical expression of mesothelial markers (mesothelin, calretinin, and WT1) in gastric adenocarcinoma and their relations to clinocopathological features and prognosis...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28185119/biallelic-brca2-mutations-in-two-black-south-african-children-with-fanconi-anaemia
#12
Candice Feben, Careni Spencer, Anneline Lochan, Nakita Laing, Karen Fieggen, Engela Honey, Tasha Wainstein, Amanda Krause
Fanconi anaemia (FA) is a genotypically and phenotypically heterogeneous genetic condition, characterized cytogenetically by chromosomal instability and breakage secondary to impaired DNA repair mechanisms. Affected individuals typically manifest growth restriction and congenital physical abnormalities and most progress to hematological disease including bone marrow aplasia. A rare genetic subtype of FA (FA-D1) is caused by biallelic mutations in the BRCA2 gene. Affected individuals manifest severe congenital anomalies and significant pigmentary changes and are additionally at risk for early onset leukemia and certain solid organ malignancies, including Wilms tumors and brain tumors...
February 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28176175/safety-and-immunogenicity-of-neoadjuvant-treatment-using-wt1-immunotherapeutic-in-combination-with-standard-therapy-in-patients-with-wt1-positive-stage-ii-iii-breast-cancer-a-randomized-phase-i-study
#13
M Higgins, G Curigliano, V Dieras, S Kuemmel, G Kunz, P A Fasching, M Campone, T Bachelot, P Krivorotko, S Chan, A Ferro, L Schwartzberg, M Gillet, P M De Sousa Alves, V Wascotte, F F Lehmann, P Goss
PURPOSE: This Phase I, multicenter, randomized study (ClinicalTrials.gov NCT01220128) evaluated the safety and immunogenicity of recombinant Wilms' tumor 1 (WT1) protein combined with the immunostimulant AS15 (WT1-immunotherapeutic) as neoadjuvant therapy administered concurrently with standard treatments in WT1-positive breast cancer patients. METHODS: Patients were treated in 4 cohorts according to neoadjuvant treatment (A: post-menopausal, hormone receptor [HR]-positive patients receiving aromatase inhibitors; B: patients receiving chemotherapy; C: HER2-overexpressing patients on trastuzumab-chemotherapy combination; D: HR-positive/HER2-negative patients on chemotherapy)...
April 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28173644/-recommendations-for-the-diagnosis-and-treatment-of-pediatric-wilms-tumor-cccg-wt-2016
#14
(no author information available yet)
No abstract text is available yet for this article.
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28122723/male-breast-cancer-a-single-institution-clinicopathologic-and-immunohistochemical-study
#15
Kate M Serdy, José Pablo Leone, David J Dabbs, Rohit Bhargava
OBJECTIVES: A clinicopathologic study with an emphasis on tumor immunohistochemical profile is presented. METHODS: Sixty-one cases of male invasive breast cancers were studied. Median age of the cohort was 65 years. RESULTS: Ninety-seven percent were estrogen receptor positive+ and 10% human epidermal growth factor receptor 2 positive. The individual diagnostic marker positivity was 98% for GATA-binding protein 3, 95% for androgen receptor, 90% for progesterone receptor, 88% for deleted in pancreatic cancer 4, 75% for gross cystic disease fluid protein 15, 72% for cytokeratin 7, 55% for mammaglobin, and 15% for vimentin and Wilms tumor protein 1...
January 24, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28101236/identification-of-proteins-associated-with-pediatric-bilateral-wilms-tumor
#16
Zechen Yan, Qingjun Meng, Jinjian Yang, Junjie Zhang, Wei Zhao, Fei Guo, Dongjian Song, Yuxiao Zhan, Dandan Fan, Ruiyi Zhou, Shuqiang Zuo, Zehua Wang, Jiekai Yu, Shu Zheng, Jiaxiang Wang
Wilms tumor (WT) is the most common cancer that primarily develops in abdominal solid organ of children. It has no incipient symptom, and the most frequent symptoms are a painless, palpable abdominal mass. Proteomics technology was used to select the differentially expressed proteins of bilateral Wilms tumor (BWT). Ten serum samples of children with BWT were chosen, 20 serum samples of children with unilateral WT (UWT) and 20 serum samples of healthy children were selected, and proteomics technology was used to detect and collect data...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28066958/comparison-of-patient-derived-high-and-low-phosphatidylserine-exposing-colorectal-carcinoma-cells-in-their-interaction-with-anti-cancer-peptides
#17
COMPARATIVE STUDY
Dominik Wilms, Jörg Andrä
Current cancer treatment is frequently compromised by severe adverse effects on healthy cells and tissues as well as by the increasing burden of (multi-)drug resistances. Some representatives of small, amphipathic peptides known as host defense peptides possess the potential to overcome these limitations and to evolve as future anti-cancer therapeutics. Peptide NK-2, derived from porcine NK-lysin, was originally discovered due to its broad-spectrum antimicrobial activities. Today, also potent anti-cancer activity is proven and accompanied by low toxicity towards normal human cells...
January 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28066808/effect-of-mr-imaging-contrast-thresholds-on-prediction-of-neoadjuvant-chemotherapy-response-in-breast-cancer-subtypes-a-subgroup-analysis-of-the-acrin-6657-i-spy-1-trial
#18
Wen Li, Vignesh Arasu, David C Newitt, Ella F Jones, Lisa Wilmes, Jessica Gibbs, John Kornak, Bonnie N Joe, Laura J Esserman, Nola M Hylton
Functional tumor volume (FTV) measurements by dynamic contrast-enhanced magnetic resonance imaging can predict treatment outcomes for women receiving neoadjuvant chemotherapy for breast cancer. Here, we explore whether the contrast thresholds used to define FTV could be adjusted by breast cancer subtype to improve predictive performance. Absolute FTV and percent change in FTV (ΔFTV) at sequential time-points during treatment were calculated and investigated as predictors of pathologic complete response at surgery...
December 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28061436/multidrug-resistance-transporter-profile-reveals-mdr3-as-a-marker-for-stratification-of-blastemal-wilms-tumour-patients
#19
Lourdes Hontecillas-Prieto, Daniel J Garcia-Dominguez, Diego Pascual Vaca, Rosa Garcia-Mejias, David Marcilla, Gema L Ramirez-Villar, Carmen Saez, Enrique de Álava
Wilms tumour (WT) is the most common renal tumour in children. Most WT patients respond to chemotherapy, but subsets of tumours develop resistance to chemotherapeutic agents, which is a major obstacle in their successful treatment. Multidrug resistance transporters play a crucial role in the development of resistance in cancer due to the efflux of anticancer agents out of cells. The aim of this study was to explore several human multidrug resistance transporters in 46 WT and 40 non-neoplastic control tissues (normal kidney) from patients selected after chemotherapy treatment SIOP 93-01, SIOP 2001...
January 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28032309/the-general-expression-analysis-of-wtx-gene-in-normal-and-cancer-tissues
#20
Yao-Yao Zhang, Qi-Ming Wang, Hui-Lin Niu, Xia Liu, Qing-Ling Zhang
WTX (Wilms' tumor suppressor X chromosome) is a novel putative tumor suppressor gene in Wilms' tumor of kidney, its expression and function in other human cancers had not been explored. This study detected the expression of WTX in 459 cases of 15 organs of cancers and adjacent normal tissues by using immunohistochemical staining (IHC), and validated them by in situ hybridization (ISH) and quantitative real-time reverse transcription PCR (qRT-PCR). IHC and ISH data showed that WTX protein was generally expressed in normal tissues, but reduced expression in corresponding cancers...
December 28, 2016: Pathology Oncology Research: POR
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