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https://www.readbyqxmd.com/read/27924074/optimized-t-cell-receptor-mimic-tcrm-chimeric-antigen-receptor-t-cells-directed-towards-the-intracellular-wilms-tumor-1-antigen
#1
S Rafiq, T J Purdon, A F Daniyan, M Koneru, T Dao, C Liu, D A Scheinberg, R J Brentjens
CD19-directed chimeric antigen receptor (CAR) T-cells are clinically effective in a limited set of leukemia patients. However, CAR T-cell therapy thus far has been largely restricted to targeting extracellular tumor-associated antigens (TAA). Herein, we report a T-cell receptor-mimic (TCRm) CAR, termed WT1-28z, that is reactive to a peptide portion of the intracellular onco-protein Wilms Tumor 1(WT1), as it is expressed on the surface of the tumor cell in the context of HLA-A*02:01. T-cells modified to express WT1-28z specifically targeted and lysed HLA-A*02:01+ WT1+ tumors and enhanced survival of mice engrafted with HLA-A*02:01+, WT1+ leukemia or ovarian tumors...
December 7, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27922671/differential-detection-of-cytoplasmic-wilms-tumor-1-expression-by-immunohistochemistry-western-blotting-and-mrna-quantification
#2
Takehiro Maki, Hiroaki Ikeda, Aki Kuroda, Noriaki Kyogoku, Yoshiyuki Yamamura, Yukiko Tabata, Takehiro Abiko, Takahiro Tsuchikawa, Yasuhiro Hida, Toshiaki Shichinohe, Eiichi Tanaka, Kichizo Kaga, Kanako Hatanaka, Yoshihiro Matsuno, Naoko Imai, Satoshi Hirano
Wilms tumor 1 (WT1) is considered to be a promising target of cancer treatment because it has been reported to be frequently expressed at high levels in various malignancies. Although WT1-targeted cancer treatment has been initiated, conclusive detection methods for WT1 are not established. The present study aimed to consolidate immunohistochemistry for WT1 with statistical basis. Transfected cells with forced WT1 expression yielded specific western blot bands and nuclear immunostaining; cytoplasmic immunostaining was not specifically recognized...
December 2, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27922041/paediatric-renal-tumours-perspectives-from-the-siop-rtsg
#3
(no author information available yet)
The >90% rates of overall survival for children with Wilms tumour are remarkable and have been achieved at the same time as reducing treatment for most patients. However, beneath this headline figure, 20% of patients still relapse after first-line therapy and up to 25% of survivors report severe late effects. The aim of the SIOP-RTSG is to improve outcomes and to reduce acute and late treatment toxic effects in all children.
December 6, 2016: Nature Reviews. Urology
https://www.readbyqxmd.com/read/27919081/m-6-a-potentiates-sxl-alternative-pre-mrna-splicing-for-robust-drosophila-sex-determination
#4
Irmgard U Haussmann, Zsuzsanna Bodi, Eugenio Sanchez-Moran, Nigel P Mongan, Nathan Archer, Rupert G Fray, Matthias Soller
N(6)-methyladenosine (m(6)A) is the most common internal modification of eukaryotic messenger RNA (mRNA) and is decoded by YTH domain proteins. The mammalian mRNA m(6)A methylosome is a complex of nuclear proteins that includes METTL3 (methyltransferase-like 3), METTL14, WTAP (Wilms tumour 1-associated protein) and KIAA1429. Drosophila has corresponding homologues named Ime4 and KAR4 (Inducer of meiosis 4 and Karyogamy protein 4), and Female-lethal (2)d (Fl(2)d) and Virilizer (Vir). In Drosophila, fl(2)d and vir are required for sex-dependent regulation of alternative splicing of the sex determination factor Sex lethal (Sxl)...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27917878/spatiotemporal-control-of-interferon-induced-jak-stat-signalling-and-gene-transcription-by-the-retromer-complex
#5
Daniela Chmiest, Nanaocha Sharma, Natacha Zanin, Christine Viaris de Lesegno, Massiullah Shafaq-Zadah, Vonick Sibut, Florent Dingli, Philippe Hupé, Stephan Wilmes, Jacob Piehler, Damarys Loew, Ludger Johannes, Gideon Schreiber, Christophe Lamaze
Type-I interferons (IFNs) play a key role in the immune defences against viral and bacterial infections, and in cancer immunosurveillance. We have established that clathrin-dependent endocytosis of the type-I interferon (IFN-α/β) receptor (IFNAR) is required for JAK/STAT signalling. Here we show that the internalized IFNAR1 and IFNAR2 subunits of the IFNAR complex are differentially sorted by the retromer at the early endosome. Binding of the retromer VPS35 subunit to IFNAR2 results in IFNAR2 recycling to the plasma membrane, whereas IFNAR1 is sorted to the lysosome for degradation...
December 5, 2016: Nature Communications
https://www.readbyqxmd.com/read/27913819/erratum-to-38-th-european-society-of-neuroradiology-diagnostic-and-interventional-annual-meeting
#6
Guido Wilms, Majda Thurnher
No abstract text is available yet for this article.
December 2, 2016: Neuroradiology
https://www.readbyqxmd.com/read/27913041/impact-of-lymph-node-evaluation-in-adjuvant-and-neoadjuvant-chemotherapy-settings-on-survival-outcomes-in-wilms-tumour-a-review-of-185-cases-from-a-single-institution
#7
Ronica H Nanda, Bahig M Shehata, Nasim Khoshnam, Megan Durham, Sungjin Kim, Wasim Selwanes, Zhengjia Chen, Chao Zhang, Natia Esiashvili
It is unclear if lymph node sampling in Wilms tumour, though critical for staging purposes, affects survival outcomes. The value of lymph node sampling in patients treated with neoadjuvant chemotherapy (NAC) is even more uncertain. We reviewed our institutional data to determine the impact of lymph node sampling on survival, as well as its role in the context of NAC. A total of 185 patients with Wilms tumour treated at our institution were included in this analysis. The number of nodes sampled (≤7, or >7), lymph node status (unknown, negative, or positive), pathological stage, and use of neoadjuvant chemotherapy were analysed for survival outcomes...
November 29, 2016: Pathology
https://www.readbyqxmd.com/read/27911068/-laparoscopic-nephron-sparing-surgery-for-wilms-tumor-description-of-two-cases
#8
L López, M Copete, P Villamizar
Surgical resection is the mainstay of treatment for Wilms tumor. The research progress of the large study groups worldwide has reduced mortality. However, searching to minimize morbidity, the minimally invasive approach has been applied in selected patients. This article describes two cases of Wilms tumor managed with laparoscopic nephron sparing surgery. The case 1 with Beckwith-Wiedemann syndrome and bilateral disease, and the case 2 non-syndromic unilateral. The approach was intraperitoneally, without intraoperative complications...
January 25, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27907819/giant-primary-malignant-mesothelioma-of-the-liver-a-case-report
#9
Ruba Haji Ali, Mohamad Khalife, Ghina El Nounou, Ruba Zuhri Yafi, Hussein Nassar, Zeinab Aidibe, Randa Raad, Rania Abou Eid, Walid Faraj
INTRODUCTION: Malignant mesothelioma is a rare neoplasm of mesothelial cells arising most frequently in the pleura or peritoneum and less frequently in the liver. CASE PRESENTATION: We present a case of primary hepatic mesothelioma of 41year old woman. She had no history of asbestos exposure or cancer. Abdominal computed tomography (CT) showed 21cm intrahepatic mass in the right lobe with many cystic lesions and few small calcifications. Pathology showed a biphasic cellular pattern...
November 11, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27905887/a-new-measure-for-infant-mental-health-screening-development-and-initial-validation
#10
Janni Ammitzbøll, Bjørn E Holstein, Lisbeth Wilms, Anette Andersen, Anne Mette Skovgaard
BACKGROUND: Mental health problems are a major public health challenges, and strategies of early prevention are needed. Effective prevention depends on feasible and validated measures of screening and intervention. Previous research has demonstrated potentials for infant mental health screening by community health nurses (CHN) in existing service settings in Denmark. This study was conducted to describe the development of a service setting based measure to screen for infant mental health problems, to investigate problems identified by the measure and assess the validity and feasibility in existing public health settings...
December 1, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27904661/a-novel-sphingosine-kinase-1-inhibitor-ski-5c-induces-cell-death-of-wilms-tumor-cells-in-vitro-and-in-vivo
#11
Zhi-Heng Li, Yan-Fang Tao, Li-Xiao Xu, He Zhao, Xiao-Lu Li, Fang Fang, Yi Wu, Jun Lu, Yan-Hong Li, Wei-Wei Du, Jun-Li Ren, Yi-Ping Li, Yun-Yun Xu, Xing Feng, Jian Wang, Wei-Qi He, Jian Pan
Sphingosine kinase 1 (SphK1) is over-expressed in many cancers and therefore serves as a biomarker for cancer prognosis. SKI-5C is a new SphK1 inhibitor, and until now its molecular function in Wilms' tumor cells remained unknown. Here, using CCK-8 and nude mice experiments we assessed cell growth in Wilms' tumor cell lines (SK-NEP-1 and G401) in vitro and in vivo. We demonstrated that SphK1 is highly expressed in SK-NEP-1 and G401 cells, and through annexin V/propidium iodide staining and flow cytometry analysis, we detected cell apoptosis...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27900278/metanephric-adenofibroma-masquerading-as-wilms-tumor
#12
Prince Raj, Ashwini Khanolkar, Yogesh Kumar Sarin
Metanephric adenofibroma is a rare, biphasic, benign tumor containing both stromal and epithelial components and could be potentially mistaken as Wilms' tumor (WT). We present a 5-year-old girl who was suspected to have metastatic Wilms' tumor on radiological investigations/tru-cut biopsy and had received neoadjuvant chemotherapy, but postoperatively final histopathology revealed it as metanephric adenofibroma. No postoperative chemotherapy was given.
November 2016: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/27900084/sister-mary-joseph-nodule-caused-by-metastatic-desmoplastic-small-round-cell-tumor-a-clinicopathological-report
#13
Noppadol Larbcharoensub, Atcharaporn Pongtippan, Duangjai Pangpunyakulchai, Sith Phongkitkarun, Panuwat Lertsithichai, Thitiya S Dejthevaporn
Sister Mary Joseph nodule is an uncommon metastatic intra-abdominal malignancy involving the umbilicus. The present study describes a rare case of desmoplastic small round cell tumor (DSRCT), histological grade 3, high grade, Gilly classification 4, stage IV, in an 18-year-old Thai man presenting with the Sister Mary Joseph nodule, ascites and pleural effusion. The histopathological examination of the umbilical mass revealed the presence of malignant small round cells associated with prominent stromal desmoplasia...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900039/networks-analysis-of-genes-and-micrornas-in-human-wilms-tumors
#14
Jimin He, Xiaoxin Guo, Linlin Sun, Kuhao Wang, Haiying Yao
Wilms' tumor (WT) is a common kidney cancer. To date, the expression of genes [transcription factors (TFs), target genes and host genes] and microRNAs (miRNAs/miRs) in WTs has captured the attention of biologists, while the regulatory association between the genes and miRNAs remains unclear. In the present study, TFs, miRNAs, target genes and host genes were considered as key factors in the construction of three levels of regulatory networks, namely, the differentially-expressed network, the related network and the global network...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27896368/targeting-of-the-wt191-138-fragment-to-human-dendritic-cells-improves-leukemia-specific-t-cell-responses-providing-an-alternative-approach-to-wt1-based-vaccination
#15
Nergui Dagvadorj, Anne Deuretzbacher, Daniela Weisenberger, Elke Baumeister, Johannes Trebing, Isabell Lang, Carolin Köchel, Markus Kapp, Kerstin Kapp, Andreas Beilhack, Thomas Hünig, Hermann Einsele, Harald Wajant, Götz Ulrich Grigoleit
Due to its immunogenicity and overexpression concomitant with leukemia progression, Wilms tumor protein 1 (WT1) is of particular interest for immunotherapy of AML relapse after allogeneic hematopoietic stem cell transplantation (allo-HSCT). So far, WT1-specific T-cell responses have mainly been induced by vaccination with peptides presented by certain HLA alleles. However, this approach is still not widely applicable in clinical practice due to common limitations of HLA restriction. Dendritic cell (DC) vaccines electroporated with mRNA encoding full-length protein have also been tested for generating WT1-derived peptides for presentation to T-cells...
November 28, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27895685/pediatric-peri-operative-fractionated-high-dose-rate-brachytherapy-for-recurrent-wilms-tumor-using-a%C3%A2-reconstructed-freiburg-flap
#16
Emily Flower, Kathy Ngoc Tran, Salman Zanjani, Wayne Smith, Jonathan Karpelowsky, Katie Summerhayes, Edgar Estoesta, Jennifer Chard
PURPOSE: To report peri-operative fractionated high-dose-rate (HDR) brachytherapy with a 3D customized Freiburg flap applicator to treat locally recurrent Wilms' tumor, followed by immediate hyperthermic intraperitoneal chemotherapy for a 16-year-old with a second recurrence of nephroblastoma (Wilms' tumor). MATERIAL AND METHODS: The tumor was excised and surgical bed was treated with fractionated HDR brachytherapy using a Freiburg flap applicator. Hyperthermic intraperitoneal chemotherapy was performed immediately after the removal of brachytherapy applicator...
October 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/27893703/generation-of-genome-scale-metabolic-reconstructions-for-773-members-of-the-human-gut-microbiota
#17
Stefanía Magnúsdóttir, Almut Heinken, Laura Kutt, Dmitry A Ravcheev, Eugen Bauer, Alberto Noronha, Kacy Greenhalgh, Christian Jäger, Joanna Baginska, Paul Wilmes, Ronan M T Fleming, Ines Thiele
Genome-scale metabolic models derived from human gut metagenomic data can be used as a framework to elucidate how microbial communities modulate human metabolism and health. We present AGORA (assembly of gut organisms through reconstruction and analysis), a resource of genome-scale metabolic reconstructions semi-automatically generated for 773 human gut bacteria. Using this resource, we identified a defined growth medium for Bacteroides caccae ATCC 34185. We also showed that interactions among modeled species depend on both the metabolic potential of each species and the nutrients available...
November 28, 2016: Nature Biotechnology
https://www.readbyqxmd.com/read/27889611/anti-apoptotic-quinolinate-phosphoribosyltransferase-qprt-is-a-target-gene-of-wilms-tumor-gene-1-wt1-protein-in-leukemic-cells
#18
Tove Ullmark, Giorgia Montano, Linnea Järvstråt, Helena Jernmark Nilsson, Erik Håkansson, Kristina Drott, Björn Nilsson, Karina Vidovic, Urban Gullberg
Wilms' tumor gene 1 (WT1) is a zinc finger transcription factor that has been implicated as an oncogene in leukemia and several other malignancies. When investigating possible gene expression network partners of WT1 in a large acute myeloid leukemia (AML) patient cohort, one of the genes with the highest correlation to WT1 was quinolinate phosphoribosyltransferase (QPRT), a key enzyme in the de novo nicotinamide adenine dinucleotide (NAD+) synthesis pathway. To investigate the possible relationship between WT1 and QPRT, we overexpressed WT1 in hematopoietic progenitor cells and cell lines, resulting in an increase of QPRT expression...
November 23, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27882234/dysgerminoma-developing-from-an-ectopic-ovary-in-a-patient-with-wagr-syndrome-a-case-report
#19
Rie Miura, Yoshihito Yokoyama, Tatsuhiko Shigeto, Masayuki Futagami, Hideki Mizunuma, Akira Kurose, Kazushi Tsuruga, Shinya Sasaki, Kiminori Terui, Etsuro Ito
WAGR syndrome is caused by an 11p13 deletion and includes Wilms' tumor, aniridia, genitourinary anomalies and mental retardation. We encountered a case of a dysgerminoma originating in an ectopic ovary in a woman with WAGR syndrome. Our patient was a 24-year-old nulliparous woman who was diagnosed with WAGR syndrome. The patient had undergone left nephrectomy for a Wilms' tumor and postoperative chemotherapy at the age of 7 months. She also had a history of glaucoma surgery in both eyes, and was followed up at the Department of Pediatrics for diabetes mellitus, hypertension, liver dysfunction and hyperuricemia...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27878779/total-estimated-effective-doses-from-radiologic-imaging-modalities-of-children-with-cancer-a-single-center-experience
#20
Derya Özyörük, Suna Emir, Hacı Ahmet Demir, Gülşah Bayram Kabaçam, Bahattin Tunç
BACKGROUND: Recently, awareness of the cumulative radiation exposure for pediatric oncology patients has been increasing, together with increased survival rates and longer life expectancy. The aim of our study was to quantify the amount of ionising radiation from imaging modalities of pediatric oncology patients. METHODS: Eighty-eight patients who were diagnosed with childhood cancer and followed up for 5 years between 2004-2014 in our center were included in the study...
November 23, 2016: World Journal of Pediatrics: WJP
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