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Wilms' tumor

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https://www.readbyqxmd.com/read/28212562/overexpression-of-mir-29a-reduces-the-oncogenic-properties-of-glioblastoma-stem-cells-by-downregulating-quaking-gene-isoform-6
#1
Zhuo Xi, Ping Wang, Yixue Xue, Chao Shang, Xiaobai Liu, Jun Ma, Zhiqing Li, Zhen Li, Min Bao, Yunhui Liu
Glioblastoma is the most common type of malignant primary brain tumor and has high recurrence and lethality rates. Glioblastoma stem cells (GSCs), a subpopulation of glioblastoma cells, may promote rapid tumor recurrence and therapy resistance. Because altered microRNA (miR) expression in GSCs may lead to glioblastoma progression, we assessed the effects of miR-29a expression on the oncogenic behavior of GSCs. MiR-29a expression was lower in GSCs than non-GSCs, and overexpression of miR-29a in GSCs inhibited cell proliferation, migration and invasion, but promoted apoptosis...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211128/staged-intraperitoneal-brachytherapy-and-hyperthermic-intraperitoneal-chemotherapy-in-an-adolescent-novel-anesthetic-challenges-for-pediatric-anesthetists
#2
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/28197035/giant-renal-angiomyolipoma-masquerading-as-a-wilms-tumor
#3
Anjan Kumar Dhua, Abhishek Ranjan, Sandeep Agarwala, Veereshwar Bhatnagar, Sandeep R Mathur, Kandasamy Devasenathipathy
Renal Angiomyolipoma (AML) is not commonly seen in the pediatric age group other than patients of tuberous sclerosis where in they can have renal AMLs within the first decade with bilateral in involvement. Diagnosis of renal AML can generally be made by the current radiological modalities in the appropriate clinical setting, but it can be mistaken for other tumors when it is large and has low-fat content. Herein we report a case of giant renal AML that was initially misdiagnosed as a Wilms tumor in a 12-year-old girl...
January 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28196410/mesothelin-expression-in-gastric-adenocarcinoma-and-its-relation-to-clinical-outcomes
#4
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...
February 15, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28191813/acute-lymphoblastic-leukemia-mimicking-wilms-tumor-at-presentation
#5
Amitabh Singh, Anirban Mandal, Vijay Guru, Rachna Seth
BACKGROUND: Acute lymphoblastic leukemia (ALL), the commonest malignancy of childhood, is known to manifest with a myriad of atypical presentations. Nephromegaly is a rare presentation of childhood ALL with hepatic mass being even rarer. CASE PRESENTATION: We present a 3 year-old child with unilateral renal mass and hepatic mass lesion with normal blood counts, initially suspected to have metastatic Wilms tumor based on clinical, radiological and WT1 positivity on immunocytochemistry of renal mass...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28188683/functional-kras-mutations-and-a-potential-role-for-pi3k-akt-activation-in-wilms-tumors
#6
Dina Polosukhina, Harold D Love, Hernan Correa, Zengliu Su, Kimberly B Dahlman, William Pao, Harold L Moses, Carlos L Arteaga, Harold N Lovvorn, Roy Zent, Peter E Clark
Wilms tumor (WT) is the most common renal neoplasm of childhood and affects 1 in 10,000 children aged less than 15 years. These embryonal tumors are thought to arise from primitive nephrogenic rests that derive from the metanephric mesenchyme during kidney development and are characterized partly by increased Wnt/β-catenin signaling. We previously showed that coordinate activation of Ras and β-catenin accelerates the growth and metastatic progression of a murine WT model. Here, we show that activating KRAS mutations can be found in human WT...
February 11, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28188050/successful-treatment-with-caspofungin-of-candiduria-in-a-child-with-wilms-tumor-review-of-literature
#7
M S Rezai, A Vaezi, H Fakhim, A Soleimani, H Mohammad Jafari, S Mohseni, H Badali
Symptomatic candiduria often occurs in patients with indwelling bladder catheters or immunocompromised host. Isolation of Candida in urine in high-risk patients should primarily be considered as a marker for candidemia. Hematological and genitourinary malignancies are one of the main risk factors associated with Candida urinary tract infections (CUTI). Fluconazole is a choice for initial treatment of CUTI, but it is fluctuate depending on the patient's condition including renal failure, site of urinary infection and Candida species...
February 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28185119/biallelic-brca2-mutations-in-two-black-south-african-children-with-fanconi-anaemia
#8
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/28179596/nephron-wilms-tumor-1-wt1-and-synaptopodin-expression-in-developing-podocytes-of-mice
#9
Takashi Kato, Shinya Mizuno
Newborn mouse glomeruli are still immature with a morphological feature of an early capillary loop stage, but infant mice do not manifest proteinuria. Little is known about the molecular mechanism whereby infant mice are resistant to proteinuria. Nephrin and synaptopodin are crucial for slit diaphragm and foot process (FP) formation for avoiding proteinuria. Nephrin tyrosine phosphorylation means a transient biological signaling required for FP repair or extension during nephrotic disease. Using an immunohistochemical technique, we examined the natural course of nephrin, Wilms' tumor-1 (WT1) and synaptopodin at 16...
February 7, 2017: Experimental Animals
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
#10
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)...
February 7, 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
#11
(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/28163010/use-of-wilms-tumor-1-gene-expression-as-a-reliable-marker-for-prognosis-and-minimal-residual-disease-monitoring-in-acute-myeloid-leukemia-with-normal-karyotype-patients
#12
Irena Marjanovic, Teodora Karan-Djurasevic, Milena Ugrin, Marijana Virijevic, Ana Vidovic, Dragica Tomin, Nada Suvajdzic Vukovic, Sonja Pavlovic, Natasa Tosic
BACKGROUND: Acute myeloid leukemia with normal karyotype (AML-NK) represents the largest group of AML patients classified with an intermediate prognosis. A constant need exists to introduce new molecular markers for more precise risk stratification and for minimal residual disease (MRD) monitoring. PATIENTS AND METHODS: Quantitative assessment of Wilms tumor 1 (WT1) gene transcripts was performed using real-time polymerase chain reaction. The bone marrow samples were collected at the diagnosis from 104 AML-NK patients and from 34 of these patients during follow-up or disease relapse...
January 11, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28159598/predictive-value-of-pretransplantation-molecular-minimal-residual-disease-assessment-by-wt1-gene-expression-in-flt3-positive-acute-myeloid-leukemia
#13
Anna Candoni, Federico De Marchi, Francesca Zanini, Maria Elena Zannier, Erica Simeone, Eleonora Toffoletti, Alexsia Chiarvesio, Michela Cerno, Carla Filì, Francesca Patriarca, Renato Fanin
The FMS-like tyrosine kinase 3 (FLT3) mutation in acute myeloid leukemia (AML) is a negative prognostic factor and, in these cases, allogeneic stem cell transplantation (allo-SCT) can represent an important therapeutic option, especially if performed in complete remission (CR). However, it is increasingly clear that not all cytological CRs (cCRs) are the same and that minimal residual disease (MRD) before allo-SCT could have an impact on AML outcome. Unfortunately, FLT3, due its instability of expression, is still not considered a good molecular MRD marker...
February 1, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28139337/graft-versus-leukemia-effect-with-a-wt1-specific-t-cell-response-induced-by-azacitidine-and-donor-lymphocyte-infusions-after-allogeneic-hematopoietic-stem-cell-transplantation
#14
Tatsunori Ishikawa, Nobuharu Fujii, Masahide Imada, Michinori Aoe, Yusuke Meguri, Tomoko Inomata, Hiromi Nakashima, Keiko Fujii, Shohei Yoshida, Hisakazu Nishimori, Ken-Ichi Matsuoka, Eisei Kondo, Yoshinobu Maeda, Mitsune Tanimoto
BACKGROUND: Azacitidine (Aza) and donor lymphocyte infusion (DLI) therapy has recently been reported as an effective salvage therapy for relapsed acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). Despite the high response rate and relatively long period of remission, most patients relapse again. The immunologic mechanism of the response and limited efficacy remain unknown. CASE REPORT: Aza + DLI therapy was performed for a patient with therapy-related MDS (t-MDS), who had relapsed after allogeneic peripheral blood stem cell transplantation...
January 27, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28138254/expression-of-phosphatase-of-regenerating-liver-3-is-associated-with-prognosis-of-wilms-tumor
#15
Fengyin Sun, Wenyi Li, Lie Wang, Changfeng Jiao
OBJECTIVE: The current study was undertaken to explore the clinical and prognostic value of phosphatase of regenerating liver-3 (PRL-3) expression in Wilms' tumor. METHODS: Seventy-six patients with Wilms' tumor in Qilu Hospital from January 2003 to July 2009 were enrolled in the study. Protein expression level of PRL-3 was examined by immunohistochemical staining, and the correlation between PRL-3 expression and histopathological parameters, clinical variables, and outcome of patients with Wilms' tumor were analyzed...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28127175/management-of-bilateral-wilms-tumor-our-experience
#16
Raghunath Bv, Vinay Jadhav, Gowri Shankar, Narendrababu M, Ramesh S
Management of bilateral Wilms' tumor is particularly challenging, considering the chances of recurrence and long-term renal function for affected patients. Aggressive surgical resection to prevent recurrence must be balanced with the desire to preserve renal function. We evaluated our experience in the management of bilateral Wilms' tumor stressing the challenges encountered in decision making and the role of nephron sparing surgery. We had four children presenting with bilateral Wilms' tumor. All of them were appropriately staged and given standard chemotherapy as per NWTS-5 guidelines...
March 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28125812/investigation-of-new-therapeutic-targets-in-undifferentiated-endometrial-sarcoma
#17
Min-Hyun Baek, Jeong-Yeol Park, Chae Chun Rhim, Jong-Hyeok Kim, Yangsoon Park, Kyu-Rae Kim, Joo-Hyun Nam
BACKGROUND: Undifferentiated endometrial sarcoma (UES) is a very rare subtype of uterine sarcoma, which has no consensus on the treatment. We investigated the expression of potential new therapeutic targets in UES to improve its aggressive clinical course and poor survival outcome. METHODS: The immunohistochemical expressions of vascular endothelial growth factor (VEGF), c-KIT, c-ABL, platelet derived growth factor receptor (PDGFR), protein kinase B (AKT1), mammalian target of rapamycin, epidermal growth factor receptor (EGFR), human epidermal growth factor receptor (HER2), Wilms tumor (WT1), aromatase inhibitor (CYP19A1), and histone deacetylase (HDAC) series in 10 UES patients were assessed using tissue microarrays...
January 27, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28125133/acute-wt1-positive-promyelocytic-leukemia-with-hypogranular-variant-morphology-bcr-3-isoform-of-pml-rar%C3%AE-and-flt3-itd-mutation-a-rare-case-report
#18
Xi Zhang, Cheng Yang, Xiangui Peng, Xinghua Chen, Yimei Feng
CONTEXT: Acute promyelocytic leukemia (APL) accounts for 8% to 10% of cases of acute myeloid leukemia (AML). Remission in cases of high-risk APL is still difficult to achieve, and relapses occur readily. CASE REPORT: Here, we describe a case of APL with high white blood cell counts in blood tests and hypogranular variant morphology in bone marrow, together with fms-like tyrosine kinase-3 with internal tandem duplication mutations (FLT3-ITD), and bcr-3 isoform of PML-RARα...
January 23, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28122723/male-breast-cancer-a-single-institution-clinicopathologic-and-immunohistochemical-study
#19
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/28107196/wilms-tumor-gene-1-silencing-inhibits-proliferation-of-human-osteosarcoma-mg-63-cell-line-by-cell-cycle-arrest-and-apoptosis-activation
#20
Adriana Carol Eleonora Graziano, Venera Cardile, Rosanna Avola, Nunzio Vicario, Carmela Parenti, Lucia Salvatorelli, Gaetano Magro, Rosalba Parenti
Wilms' tumor gene 1 (WT1) plays complex roles in tumorigenesis, acting as tumor suppressor gene or an oncogene depending on the cellular context. A high WT1 expression level was described in various types of human bone and soft-tissue sarcomas, including osteosarcoma (OS), but its function in carcinogenesis is not yet well understood. This study investigated WT1 both in human OS tissues and in human OS MG-63 cell line in which WT1 gene is up-regulated. The results demonstrated that WT1 is expressed in 50% of human OS cases...
January 18, 2017: Oncotarget
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