نتایج جستجو برای: wilms tumor
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We have previously demonstrated an increased DNA copy number and expression of IGF1R to be associated with poor outcome in Wilms tumors. We have now tested whether inhibiting this receptor may be a useful therapeutic strategy by using a panel of Wilms tumor cell lines. Both genetic and pharmacological targeting resulted in inhibition of downstream signaling through PI3 and MAP kinases, G(1) cel...
CONTEXT To assess the efficacy of preoperative chemotherapy in Wilms' tumor patients and explore its true value for specific subgroups. OBJECTIVES In the presence of these controversies, a meta-analysis that examines the efficacy of preoperative chemotherapy in Wilms' tumor patients and specific subgroups is needed to clarify these issues. The objective of this meta-analysis is to assess the ...
Wilms' tumor in the current era of multimodality treatment has promising outcome, but approximately 10-15% of the patients with favorable-histology, experience tumor progression or relapse. We hereby present an unusual case of repeated loco-regional recurrences in a patient with stage I intermediate-risk monophasic (epithelial variant) Wilms' tumor (WT) of pelvic kidney requiring aggressive the...
BACKGROUND Wilms' tumor is an embryonal neoplasm of the kidney that accounts for approximately 6 % of all childhood tumors. The chemokine CXCL12 (C-X-C chemokine ligand 12) and its ligand CXCR4 (C-X-C chemokine receptor type 4) are involved in the development of several organs, including the kidney, and are also associated with tumor growth and metastasis. FOXP3 (forkhead transcription factor 3...
The outcome of children with kidney tumors has significantly improved in the last two decades in the developed world but not in resource poor countries. We share our ten years experience from a single institution of Pakistan. Records of 23 children with kidney tumors were reviewed for demographics, presenting features, staging work-up and outcome. There were 21 (91%) children with Wilms tumor a...
The Wilms tumor-suppressor gene, WT1, plays a key role in urogenital development, and WT1 dysfunction is implicated in both neoplastic (Wilms tumor, mesothelioma, leukemias, and breast cancer) and nonneoplastic (glomerulosclerosis) disease. The analysis of diseases linked specifically with WT1 mutations, such as Denys-Drash syndrome (DDS), can provide valuable insight concerning the role of WT1...
Loss of imprinting at insulin-like growth factor II (IGFII), in association with H19 silencing, has been described previously in a subgroup of Beckwith-Wiedemann syndrome (BWS) patients who have an elevated risk for Wilms' tumor. An equivalent somatic mutation occurs in sporadic Wilms' tumor. We describe a family with overgrowth in three generations and Wilms' tumor in two generations, with pat...
background: the wilms tumor 1 (wt1) gene is originally defined as a tumor suppressor gene and a transcription factor that overexpressed in leukemic cells. it is highly expressed in more than 80% of acute myeloid leukemia (aml) patients, both in bone marrow (bm) and in peripheral blood (pb), and it is used as a powerful and independent marker of minimal residual disease (mrd);we have determined ...
We have prospectively analyzed Wilms' tumors from 232 patients registered on the National Wilms' Tumor Study for loss of heterozygosity (LOH) on chromosomes 11p, 16q, and 1p. These chromosomal aberrations were found in 70 (33%), 35 (17%), and 21 (12%) of the informative cases, respectively. LOH for two of these regions occurred in only 25 cases, and only one tumor harbored LOH at all three site...
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