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Wilm tumor 1

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https://www.readbyqxmd.com/read/28736882/the-clinical-significance-of-monitoring-the-expression-of-the-sil-tal1-fusion-gene-in-t-cell-acute-lymphoblastic-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation
#1
X Zhao, Y Hong, Y Qin, Y Xu, Y Chang, Y Wang, X Zhang, L Xu, X Huang
INTRODUCTION: SIL-TAL1 rearrangement is common in T-cell acute lymphoblastic leukemia (T-ALL). However, whether this fusion gene might be used as a reliable marker of minimal residual disease (MRD) following allogeneic stem cell transplantation (allo-HSCT) remains unknown METHODS: The clinical data of consecutive 29 patients with T-ALL who received allo-HSCT were collected. Their MRD were evaluated by SIL-TAL1, Wilms' tumor 1 (WT1) expression, and the leukemia-associated immunophenotype (LAIP) ...
July 24, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28720068/inhibitory-effect-of-par-4-combined-with-cisplatin-on-human-wilms-tumor-cells
#2
Jun Wang, Yunjie Li, Fangfang Ma, Huifeng Zhou, Rong Ding, Binbin Lu, Li Zou, Junxia Li, Rugang Lu
Wilms' tumor is associated with a high treatment success rate, but there is still a risk of recurrence. Cisplatin, which is one of the chemotherapeutic agents used for its treatment, is associated with a very high rate of resistance. Par-4 (prostate apoptosis response 4) is a tumor suppressor, which is capable of sensitizing tumor cells to chemotherapy. Therefore, the aim of this study was to determine whether combined treatment with Par-4 and cisplatin is effective for inhibiting growth of Wilms' tumor. Wilms' tumor and control cell samples were collected and analyzed by immunofluorescence assay and immunohistochemistry...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719912/crocin-protects-podocytes-against-oxidative-stress-and-inflammation-induced-by-high-glucose-through-inhibition-of-nf-%C3%AE%C2%BAb
#3
Sutong Li, Xiaoxia Liu, Jie Lei, Junle Yang, Puxun Tian, Yi Gao
BACKGROUND/AIMS: Diabetic nephropathy (DN) is a microangiopathic disease characterized by excessive urinary albumin excretion, which occurs in 30% of patients with diabetes mellitus. It is the second leading cause of end-stage renal diseases in China. Nuclear factor-kappa B (NF-κB) is reported to be closely correlated with the inflammation underlying diabetes-associated renal damage. Crocin, a plant-derived compound, has antioxidant properties that may inhibit NF-κB. METHODS: In the present study, we used a conditionally immortalized mouse podocyte cell line to explore whether crocin could effectively block albuminuria...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28715709/parental-age-and-childhood-cancer-risk-a-danish-population-based-registry-study
#4
Zuelma A Contreras, Johnni Hansen, Beate Ritz, Jorn Olsen, Fei Yu, Julia E Heck
BACKGROUND: Though the association between parental age at child's birth and the risk of childhood cancer has been previously investigated, the evidence to date is inconclusive and scarce for rarer cancer types. METHODS: Cancer cases (N=5,856) were selected from all children born from 1968 to 2014 and diagnosed from 1968 to 2015 in Denmark at less than 16 years of age listed in the nationwide Danish Cancer Registry. Cases were individually matched to controls (1:100) on sex and year of birth with a total of 585,594 controls randomly sampled from all live births in Denmark from the Danish Central Population Registry...
July 14, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28711961/heat-shock-protein-70-nitric-oxide-effect-on-stretched-tubular-epithelial-cells-linked-to-wt-1-cytoprotection-during-neonatal-obstructive-nephropathy
#5
Luciana Mazzei, Fernando Darío Cuello-Carrión, Neil Docherty, Walter Manucha
BACKGROUND: Mechanical stress is a key pathogenic driver of apoptosis in the tubular epithelium in obstructive nephropathy. Heat shock protein 70 (Hsp70) and Wilms' tumor (WT-1) have been proposed to represent linked downstream effectors of the cytoprotective properties of NO. In the present study, we sought to evaluate whether the cytoprotective effects of L-arginine in neonatal obstructive nephropathy may be associated with NO-dependent increases in WT-1 and Hsp70 expression. METHODS: Neonatal Wistar-Kyoto rats were submitted to complete unilateral ureteral obstruction (UUO) and treated thereafter with vehicle, L-NAME or L-arginine by daily gavage for 14 days to block or augment NO levels, respectively...
July 15, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28690152/decreased-expression-of-orexin-1-receptor-in-adult-mice-testes-during-alloxan-induced-diabetes-mellitus-perturbs-testicular-steroidogenesis-and-glucose-homeostasis
#6
Deepanshu Joshi, Debarshi Sarkar, Shio Kumar Singh
Diabetes mellitus (DM) affects male reproductive system and causes infertility. The male reproductive health is largely dependent upon uptake and proper utilization of glucose by testicular cells. Results show involvement of orexin A (OXA) and its receptor (OX1R) in regulation of steroidogenesis and glucose homeostasis in adult mice testis. However, the role of OX1R in regulation of testicular functions during hyperglycemia has not been investigated so far. The present study, therefore, examined the role of OX1R in regulation of steroidogenesis and glucose homeostasis in testis of adult mice during alloxan-induced type 1 DM...
July 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28677722/regulation-of-retinoic-acid-synthetic-enzymes-by-wt1-and-hdac-inhibitors-in-293-cells
#7
Yifan Li, Lei Wang, Weipeng Ai, Nianhui He, Lin Zhang, Jihui Du, Yong Wang, Xingjian Mao, Junqi Ren, Dan Xu, Bei Zhou, Rong Li, Liwen Mai
All-trans retinoic acid (atRA), which is mainly generated endogenously via two steps of oxidation from vitamin A (retinol), plays an indispensible role in the development of the kidney and many other organs. Enzymes that catalyze the oxidation of retinol to generate atRA, including aldehyde dehydrogenase 1 family (ALDH1)A1, ALDH1A2 and ALDH1A3, exhibit complex expression patterns at different stages of renal development. However, molecular triggers that control these differential expression levels are poorly understood...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28668903/laparoscopically-removed-streak-gonad-revealed-gonadoblastoma-in-frasier-syndrome
#8
Kazunori Hashimoto, Y U Horibe, Jiro Ezaki, Toshiyuki Kanno, Nobuko Takahashi, Yoshika Akizawa, Hideo Matsui, Tomoko Yamamoto, Noriyuki Shibata
BACKGROUND: Frasier syndrome (FS) is characterized by gonadal dysgenesis and progressive nephropathy caused by mutation in the Wilm's tumor gene (WT1). We report a case of FS in which diagnosis was based on amenorrhea with nephropathy, and laparoscopically-removed streak gonad which revealed gonadoblastoma. CASE REPORT: At the age of 3 years, the patient developed nephrotic syndrome. This later became steroid-resistant and, by the age of 16 years, had progressed to end-stage renal failure with peritoneal dialysis...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28668862/clinicopathological-characteristics-of-metaplastic-papillary-tumor-of-the-fallopian-tube
#9
M I Jang, Ji-Youn Sung, Ji-Ye Kim, Hyun-Soo Kim
Metaplastic papillary tumor (MPT) of the fallopian tube is a very uncommon lesion, displaying papillary growth of bland-appearing cells with abundant, eosinophilic cytoplasm and mucinous metaplasia. It is difficult for pathologists to determine whether to categorize this lesion as a metaplastic proliferative lesion or a true neoplasm. We recently experienced a case of tubal MPT and initiated a comprehensive review of previously published cases with thorough analysis of clinicopathological characteristics. MPT is typically related to pregnancy, but we describe the first case of pregnancy-unrelated, incidentally detected tubal MPT in a 51-year-old woman who underwent surgery for endometrial cancer...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28655531/results-of-the-3-rd-associazione-italiana-ematologia-oncologia-pediatrica-aieop-cooperative-protocol-on-wilms-tumor-tw2003-and-related-considerations
#10
Filippo Spreafico, Davide Biasoni, Salvatore Lo Vullo, Lorenza Gandola, Paolo D'Angelo, Monica Terenziani, Maurizio Bianchi, Provenzi Massimo, Paolo Indolfi, Pession Andrea, Nantron Marilina, Andrea Di Cataldo, Carlo Morosi, Daniela Perotti, Serena Catania, Franca Fossati Bellani, Paola Collini
PURPOSE: TW2003, the 3(rd) Italian prospective study on Wilms tumor (WT), aimed to improve survival in patients with stage III-IV tumors, de-escalate therapy for stage I-II non-anaplastic tumors, refine the risk stratification of therapy, and develop a national infrastructure for biobanking and central pathology review. METHODS: TW2003 recruited children ≤18 years old with primary intrarenal tumors. Local physicians chose nephrectomy with or without preoperative chemotherapy as the initial treatment, based on the risk of unsafe and/or incomplete immediate surgery...
June 24, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28627003/sonographic-screening-for-wilms-tumor-in-children-with-cloves-syndrome
#11
Caitlin M Peterman, R Dawn Fevurly, Ahmad I Alomari, Cameron C Trenor, Denise M Adams, Sophie Vadeboncoeur, Marilyn G Liang, Arin K Greene, John B Mulliken, Steven J Fishman
BACKGROUND: CLOVES syndrome is associated with somatic mosaic PIK3CA mutations and characterized by congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and skeletal anomalies. Wilms tumor (WT) is a malignant embryonal renal neoplasm associated with hemihypertrophy and certain overgrowth disorders. After identifying WT in a child with CLOVES, we questioned whether ultrasonographic screening was necessary in these patients. METHODS: We retrospectively reviewed patients with CLOVES syndrome in our Vascular Anomalies Center at Boston Children's Hospital between 1998 and 2016 to identify those who developed WT...
June 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28603218/molecular-cloning-of-canine-wilms-tumor-1-for-immunohistochemical-analysis-in-canine-tissues
#12
Osamu Sakai, Masashi Sakurai, Hiroki Sakai, Masahito Kubo, Hiroko Hiraoka, Kenji Baba, Masaru Okuda, Takuya Mizuno
Wilms' tumor 1 (WT1) expression has been investigated in various human cancers as a target molecule for cancer immunotherapy. However, few studies have focused on WT1 expression in dogs. Firstly, cDNA of canine WT1 (cWT1) was molecularly cloned from normal canine kidney. The cross-reactivity of the anti-human WT1 monoclonal antibody (6F-H2) with cWT1 was confirmed via Western blotting using cells overexpressing cWT1. Immunohistochemical staining revealed that cWT1 expression was detected in all canine lymphoma tissues and in some normal canine tissues, including the kidney and lymph node...
June 12, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28598537/factors-possibly-affecting-prognosis-in-children-with-wilms-tumor-diagnosed-before-24-months-of-age-a-report-from-the-associazione-italiana-ematologia-oncologia-pediatrica-aieop-wilms-tumor-working-group
#13
Paolo D'Angelo, Andrea Di Cataldo, Monica Terenziani, Gianni Bisogno, Paola Collini, Martina Di Martino, Fraia Melchionda, Clara Mosa, Marilina Nantron, Daniela Perotti, Giuseppe Puccio, Annalisa Serra, Serena Catania, Filippo Spreafico
BACKGROUND: Children with Wilms' tumor (WT) aged under 24 months (infants) have a better prognosis than older patients. Our aim was to study the epidemiology of this age group, with focus on the modality of diagnosis, tumor size, and association with malformations/syndromes, seeking to understand if any of these factors might be related to prognosis. PATIENTS AND METHODS: Infants diagnosed with WT between 2003 and February 2010 were evaluated. A query form was used to collect data on the modality of WT diagnosis (symptomatic or incidental), tumor volume, maximum diameter, site, and stage...
June 9, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28583549/reduction-of-slit-diaphragm-associated-molecules-by-sirolimus-is-it-enough-to-induce-proteinuria
#14
B S Kim, J G Lee, Y Cho, S H Song, K H Huh, M S Kim, Y S Kim
Sirolimus (SRL), a mammalian target of rapamycin inhibitor, is widely used in transplantation, but the mechanisms whereby it induces adverse effects, such as proteinuria and edema, remain unclear. To determine whether isolated SRL induces proteinuria or not, the authors intraperitoneally injected C57BL/6 mice with different doses of SRL (0 mg/[kg·d], 3 mg/[kg·d], 10 mg/[kg·d], or 30 mg/[kg·d]) for 24 days. Urinary albumin excretion was then quantified using a double-sandwich enzyme-linked immunosorbent assay, and serum creatinine levels were measured using a single dry-film chemistry auto-analyzer...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28582410/a-phase-i-study-of-single-agent-perifosine-for-recurrent-or-refractory-pediatric-cns-and-solid-tumors
#15
Oren J Becher, Nathan E Millard, Shakeel Modak, Brian H Kushner, Sofia Haque, Ivan Spasojevic, Tanya M Trippett, Stephen W Gilheeney, Yasmin Khakoo, David C Lyden, Kevin C De Braganca, Jill M Kolesar, Jason T Huse, Kim Kramer, Nai-Kong V Cheung, Ira J Dunkel
The PI3K/Akt/mTOR signaling pathway is aberrantly activated in various pediatric tumors. We conducted a phase I study of the Akt inhibitor perifosine in patients with recurrent/refractory pediatric CNS and solid tumors. This was a standard 3+3 open-label dose-escalation study to assess pharmacokinetics, describe toxicities, and identify the MTD for single-agent perifosine. Five dose levels were investigated, ranging from 25 to 125 mg/m2/day for 28 days per cycle. Twenty-three patients (median age 10 years, range 4-18 years) with CNS tumors (DIPG [n = 3], high-grade glioma [n = 5], medulloblastoma [n = 2], ependymoma [n = 3]), neuroblastoma (n = 8), Wilms tumor (n = 1), and Ewing sarcoma (n = 1) were treated...
2017: PloS One
https://www.readbyqxmd.com/read/28573960/sensitive-detection-of-rare-antigen-specific-t-cells-directed-against-wilms-tumor-1-by-fluorospot-assay
#16
Tina Danielzik, Michael Koldehoff, Ulrike Buttkereit, Dietrich W Beelen, Peter A Horn, Monika Lindemann
No abstract text is available yet for this article.
June 2, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28567073/quantitative-assessment-of-wilms-tumor-1-expression-by-real-time-quantitative-polymerase-chain-reaction-in-patients-with-acute-myeloblastic-leukemia
#17
Hossein Ayatollahi, Mohammad Hadi Sadeghian, Mahmood Naderi, Amir Hossein Jafarian, Seyyede Fatemeh Shams, Neda Motamedirad, Maryam Sheikhi, Afsane Bahrami, Sepideh Shakeri
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 the expression levels of the WT1 by real-time quantitative polymerase chain reaction (RQ-PCR) in PB and BM in 126 newly diagnosed AML patients...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28551672/ctnnb1-mutations-in-ovarian-microcystic-stromal-tumors-identification-of-a-novel-deletion-mutation-and-the-use-of-pyrosequencing-to-identify-reported-point-mutation
#18
Kiyong Na, Eun Kyung Kim, Wonjun Jang, Hyun-Soo Kim
BACKGROUND/AIM: Microcystic stromal tumor (MCST) is a rare stromal tumor of the ovary. In this study, we describe clinicopathological characteristics and results of mutational analyses of the CTNNB1gene in two cases of ovarian MCST and we provide a thorough review of previously published cases alongside our current cases and clarify the clinicopathological characteristics of ovarian MCST. PATIENTS AND METHODS: Patients' age was 33 and 31 years, respectively. One patient presented with fever and low abdominal pain, whereas a pelvic mass was incidentally detected in another patient...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28550085/knockdown-of-sodium-calcium-exchanger-1-induces-epithelial-to-mesenchymal-transition-in-kidney-epithelial-cells
#19
Sona Lakshme Balasubramaniam, Anilkumar Gopalakrishnapillai, Nicholas J Petrelli, Sonali P Barwe
Mesenchymal-to-epithelial transition (MET) and epithelial-to-mesenchymal transition (EMT) are important processes in kidney development. Failure to undergo MET during development leads to the initiation of Wilms tumor, whereas EMT contributes to the development of renal cell carcinomas (RCC). The role of calcium regulators in governing these processes is becoming evident. We demonstrated earlier that Na(+)/Ca(2+) exchanger 1 (NCX1), a major calcium exporter in renal epithelial cells, regulates epithelial cell motility...
July 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28544366/enumeration-of-wt1-specific-cd8-t-cells-for-clinical-application-using-an-mhc-streptamer-based-no-wash-single-platform-flow-cytometric-assay
#20
Sarah Matko, Madeleine Teichert, Antje Tunger, Marc Schmitz, Martin Bornhauser, Torsten Tonn, Marcus Odendahl
The advent of novel strategies to generate leukemia-associated-antigen (LAA)-specific T cells for adoptive immunotherapies creates a demand for standardized good laboratory practice (GLP)-compliant enumeration assays to provide a secure clinical environment-whether it is to identify potential donors, define therapeutic doses for transplantation, or monitor clinical success. Here, we introduce a no-wash assay based on single-platform cell enumeration and Streptamer staining to determine the Wilms' tumor antigen 1 (WT1)-specific T cell immunity in clinical samples...
May 25, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
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