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https://www.readbyqxmd.com/read/28526685/differences-in-molecular-mechanisms-of-k-clearance-in-the-auditory-sensory-epithelium-of-birds-and-mammals
#1
Viviane Wilms, Chris Söffgen, Hans Gerd Nothwang
Mechanoelectrical transduction in the vertebrate inner ear is a highly conserved mechanism depending on K(+) influx into hair cells. Here, we investigated the molecular underpinnings of subsequent K(+) recycling in the chicken basilar papilla and compared it with those in the mammalian auditory sensory epithelium. Like mammals, the avian auditory hair cell uses KCNQ4, KCNMA1, and KCNMB1 as K(+) efflux systems. Expression of KCNQ1 and KCNE1 suggests an additional efflux apparatus in avian hair cells. Marked differences were observed for K(+) clearance...
May 19, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28521631/immunohistochemical-profile-of-myc-protein-in-pediatric-small-round-blue-cell-tumors
#2
Karen M Chisholm, Chandra Krishnan, Amy Heerema-McKenney, Yasodha Natkunam
Deregulation of MYC oncoprotein in cancers can result from multiple oncogenic mechanisms. Although MYC translocations define Burkitt lymphoma and MYC protein expression is a poor prognostic factor in undifferentiated neuroblastomas, the distribution of MYC protein (c-MYC) across other pediatric small round blue cell tumors (SRBCT) has not been well characterized. We undertook this study to assess MYC protein expression in a large cohort of pediatric lymphomas, sarcomas, and other SRBCT. Tissue microarrays containing 302 SRBCT were successfully evaluated by immunohistochemistry using anti-MYC clone Y69, with nuclear positivity scored as 0%, 1%-25%, 26%-50%, 51%-75%, or 76%-100%...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28521413/chromosome-t-7-11-p15-p15-translocation-in-acute-myeloid-leukemia-coexisting-with-multilineage-dyspoiesis-and-mutations-in-nras-and-wt1-a-case-report-and-literature-review
#3
Jingke Yang, Xiaodong Lyu, Xinghu Zhu, Xiangguang Meng, Wenli Zuo, Hao Ai, Mei Deng
The chromosomal translocation t(7;11)(p15;p15) and the resulting nucleoporin 98-homeobox A9 (NUP98-HOXA9) gene fusion is rare but recurrent genetic abnormity in acute myeloid leukemia (AML). The present study describes a case of AML plus maturation (-M2) with multilineage dyspoiesis in a 30-year-old male in whom a 46,XY,t(7;11)(p15;p15) karyotype was detected through chromosome analysis. Subsequent molecular and sequencing analysis demonstrated a NUP98-HOXA9 fusion gene with a type I fusion between NUP98 exon 12 and HOXA9 exon 1b, and mutations in neuroblastoma V-Ras oncogene homolog and Wilms tumor 1...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521171/review-of-phase-i-and-ii-trials-for-wilms-tumour-can-we-optimise-the-search-for-novel-agents
#4
REVIEW
Jesper Brok, Kathy Pritchard-Jones, James I Geller, Filippo Spreafico
Survival rates for patients with Wilms' tumour (WT) approximate 90% with refined use of currently available interventions. However, a subgroup of patients, with initial high-risk histopathology or relapsing disease, have a poor prognosis, and it is a challenge to identify and prioritise the development of new innovative approaches for these subgroups. We conducted a systematic literature search for published phase I and II clinical trials that registered patients with WTs and characterised the early phase trial activity, quantified response rates and highlighted avenues for further development...
May 15, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28516188/management-of-bilateral-wilms-tumours
#5
REVIEW
Alastair J W Millar, Sharon Cox, Alan Davidson
Wilms tumour is named after Max Wilms. It is an embryonal tumour derived from the metanephros. It is the commonest childhood renal tumour and the third commonest paediatric malignancy. Synchronous bilateral Wilms tumours (BWT) represent 4-7% of all Wilms tumours (WT) and present at a younger age than unilateral Wilms tumours. At least 10% of synchronous BWTs have unfavourable histology, and up to 22% are associated with genitourinary abnormalities, aniridia, WAGR syndrome, Denys-Drash syndrome, hemihypertrophy, or one of the other overgrowth syndromes...
May 17, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28512451/colonization-and-succession-within-the-human-gut-microbiome-by-archaea-bacteria-and-microeukaryotes-during-the-first-year-of-life
#6
Linda Wampach, Anna Heintz-Buschart, Angela Hogan, Emilie E L Muller, Shaman Narayanasamy, Cedric C Laczny, Luisa W Hugerth, Lutz Bindl, Jean Bottu, Anders F Andersson, Carine de Beaufort, Paul Wilmes
Perturbations to the colonization process of the human gastrointestinal tract have been suggested to result in adverse health effects later in life. Although much research has been performed on bacterial colonization and succession, much less is known about the other two domains of life, archaea, and eukaryotes. Here we describe colonization and succession by bacteria, archaea and microeukaryotes during the first year of life (samples collected around days 1, 3, 5, 28, 150, and 365) within the gastrointestinal tract of infants delivered either vaginally or by cesarean section and using a combination of quantitative real-time PCR as well as 16S and 18S rRNA gene amplicon sequencing...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28511396/a-clinicopathological-study-of-paediatric-liver-tumours-in-a-tertiary-care-hospital
#7
Esakki Muthuvel, Vimal Chander, Chitra Srinivasan
INTRODUCTION: Paediatric primary liver tumours are the third largest group of solid abdominal neoplasms in children next to neuroblastoma and Wilms tumour, accounting for about 0.5% to 2% of all paediatric neoplasms, in which hepatoblastoma is the most common. AIM: The present study was done to estimate the incidence of paediatric liver tumours over a period of five years and also, to study the clinical behaviour, alpha-fetoprotein correlation and histopathological features of paediatric liver tumours...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508688/extrarenal-wilms-tumor-with-skeletal-and-glial-differentiation
#8
Geok Chin Tan, Vinay Prasad
No abstract text is available yet for this article.
May 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28502598/botryoid-wilms-tumor-in-a-2-year-old-boy-a-case-report
#9
Lei Gao, Xiaohao Wang, Guangjie Chen, Yong Huang, Dongyan Zhao, Shan Xu
We report a case of botryoid Wilms tumor that occupied the renal pelvis. A 2-year-old boy was referred to us with a chief complaint of macrohematuria. Ultrasonography, Computed tomography and MRI showed tumor occupying the left renal pelvis. Radical nephroureterectomy was performed. The resected specimen showed a botryoid sarcoma-like appearance, with a pedicle attaching to the pelvicalyceal wall, occupying the left renal pelvis. Histologic findings confirmed botryoid Wilms tumor. Postoperative adjuvant chemotherapy was executed...
May 10, 2017: Urology
https://www.readbyqxmd.com/read/28498419/mir-590-regulates-wt1-during-proliferation-of-g401-cells
#10
Liyi Hong, Xu Zhao, Xuejun Shao, Hong Zhu
Nephroblastoma (Wilms' tumor) is frequently associated with mortality in children. MicroRNAs (miRNAs) are important for tumor development serving as oncogenes or tumor suppressors. In the present study, miRNA‑590 (miR‑590) was identified to be upregulated in Wilms' tumor tissues compared with the normal adjacent tissues. Additionally, the levels of miR‑590 were consistent with their clinical stage. Wilms' tumor 1 (WT1) was considered to be a tumor suppressor in certain tumor types, and it has been detected at low expression levels in various types of cancer with high cell proliferation and aggressive behavior...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28493961/aldosterone-signaling-regulates-the-over-expression-of-claudin-4-and-8-at-the-distal-nephron-from-type-1-diabetic-rats
#11
Eduardo Molina-Jijón, Rafael Rodríguez-Muñoz, Ricardo González-Ramírez, Carmen Namorado-Tónix, José Pedraza-Chaverri, Jose L Reyes
Hyperglycemia in diabetes alters tight junction (TJ) proteins in the kidney. We evaluated the participation of aldosterone (ALD), and the effect of spironolactone (SPL), a mineralocorticoid receptor antagonist, on the expressions of claudin-2, -4, -5 and -8, and occludin in glomeruli, proximal and distal tubules isolated from diabetic rats. Type 1 diabetes was induced in female Wistar rats by a single tail vein injection of streptozotocin (STZ), and SPL was administrated daily by gavage, from days 3-21. Twenty-one days after STZ injection the rats were sacrificed...
2017: PloS One
https://www.readbyqxmd.com/read/28493322/three-year-cancer-incidence-in-blantyre-malawi-2008-2010
#12
Steady J D Chasimpha, D Maxwell Parkin, Leo Masamba, Charles P Dzamalala
In this paper we present incidence rates of different cancers calculated for the population of Blantyre, Malawi for the period 2008-2010, using data from the Malawi Cancer Registry. Active methods were used for case finding, with standard checks for accuracy and validity performed in CanReg 4. During this three year period, a total of 3,711 cases were registered comprising 1,643 men (an estimated age-standardized incidence rate (ASR) of 169.8 per 100,000) and 2,068 women (ASR 238.7 per 10(5) ). Kaposi sarcoma (KS) was the most common cancer in men (40...
May 10, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28481647/the-predictive-value-of-transforming-growth-factor-%C3%AE-in-wilms-tumor-immunopathogenesis
#13
Marla Karine Amarante, Carlos Eduardo Coral de Oliveira, Carolina Batista Ariza, Alberto Yoichi Sakaguchi, Cintya Mayumi Ishibashi, Maria Angelica Ehara Watanabe
Wilms tumor is the most common kidney malignancy in children, especially in children aged less than 6 years. Although therapeutic approach has reached successful rates, there is still room for improvement. Considering the tumor microenvironment, cytokines represent important elements of interaction and communication between tumor cells, stroma, and immune cells. In this regard, the transforming growth factor beta (TGF-β) family members play significant functions in physiological and pathological conditions, particularly in cancer...
May 8, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28479004/-wilms-tumour-a-review-of-15-years-recent-experience
#14
Laura Illade, Carmen Hernandez-Marques, Maria Cormenzana, Álvaro Lassaletta, Maitane Andión Catalán, David Ruano, Victoria Fioravantti, Luis Madero López
INTRODUCTION: Wilms' tumour is the most frequent renal tumour in children. Multi-modal treatment includes chemotherapy and surgery, with or without radiotherapy. The survival is excellent, with rates exceeding 90%. A review is presented on our experience over the last 15 years of treating Wilms' tumour in Hospital Niño Jesús, Madrid. PATIENTS AND METHODS: A retrospective study was conducted on 40 consecutive paediatric patients diagnosed with nephroblastoma between 2002 and 2016 in the Hospital Niño Jesús in Madrid...
May 3, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28475562/leukocyte-adhesion-as-an-indicator-of-oxygenator-thrombosis-during-extracorporeal-membrane-oxygenation-therapy
#15
Julius Wilm, Alois Philipp, Thomas Müller, Andre Bredthauer, Otto Gleich, Christof Schmid, Karla Lehle
Thrombosis is the most common technical complication with extracorporeal membrane oxygenation (ECMO). Accumulations of leukocytes on the gas exchange membranes within a membrane oxygenator (MO) may initiate thrombosis and influence outcome. MOs (n = 41) were removed routinely from adult patients on ECMO, preserved, and analyzed for their cellular deposits using nuclear (4',6-diamidino-2-phenylindole) and cell type-specific markers (CD45; von Willebrand factor, vWF). The extent of cellular colonization was correlated with patient data...
May 4, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28468047/-extrarenal-wilms-tumor-report-of-a-case
#16
L L He, H Y Wu, Y Z Tang
No abstract text is available yet for this article.
May 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28467314/subpopulation-based-correspondence-modelling-for-improved-respiratory-motion-estimation-in-the-presence-of-inter-fraction-motion-variations
#17
Matthias Wilms, René Werner, Tokihiro Yamamoto, Heinz Handels, Jan Ehrhardt
Correspondence modelling between low-dimensional breathing signals and internal organ motion is a prerequisite for application of advanced techniques in radiotherapy of moving targets. Patient-specific correspondence models can, for example, be built prior to treatment based on a planning 4D CT and simultaneously acquired breathing signals. Reliability of pre-treatment-built models depends, however, on the degree of patient-specific inter-fraction motion variations. This study investigates whether motion estimation accuracy in the presence of inter-fraction motion variations can be improved using correspondence models that incorporate motion information from different patients...
May 3, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28466615/angiographic-embolization-in-pediatric-abdominal-trauma
#18
Yechiel Sweed, Jonathan Singer-Jordan, Sorin Papura, Norman Loberant, Alon Yulevich
BACKGROUND: Trauma is the leading cause of childhood morbidity and mortality. Abdominal bleeding is one of the common causes of mortality due to trauma. Angiography and embolization are well recognized as the primary treatments in certain cases of acute traumatic hemorrhage in adults; however, evidence is lacking in the pediatric population. OBJECTIVES: To assess the safety and efficacy of transcatheter arterial embolization (TAE) for blunt and penetrating abdominal and pelvic trauma in the pediatric age group...
November 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28464793/icover-an-interactive-visualization-tool-for-verification-and-refinement-of-metagenomic-bins
#19
Bertjan Broeksema, Magdalena Calusinska, Fintan McGee, Klaas Winter, Francesco Bongiovanni, Xavier Goux, Paul Wilmes, Philippe Delfosse, Mohammad Ghoniem
BACKGROUND: Recent advances in high-throughput sequencing allow for much deeper exploitation of natural and engineered microbial communities, and to unravel so-called "microbial dark matter" (microbes that until now have evaded cultivation). Metagenomic analyses result in a large number of genomic fragments (contigs) that need to be grouped (binned) in order to reconstruct draft microbial genomes. While several contig binning algorithms have been developed in the past 2 years, they often lack consensus...
May 2, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28457953/interferon-%C3%AE-is-effective-for-treatment-of-minimal-residual-disease-in-patients-with-acute-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation-results-of-a-registry-study
#20
Xiao-Dong Mo, Xiao-Hui Zhang, Lan-Ping Xu, Yu Wang, Chen-Hua Yan, Huan Chen, Yu-Hong Chen, Wei Han, Feng-Rong Wang, Jing-Zhi Wang, Kai-Yan Liu, Xiao-Jun Huang
The efficacy of minimal residual disease (MRD)-directed interferon-α (IFN-α) treatment was investigated in acute leukemia patients who were positive for MRD after allogeneic hematopoietic stem cell transplantation (allo-HSCT) (n=107). MRD-positive status was defined as positivity for leukemia-associated aberrant immune phenotypes or positivity for Wilms' tumor gene 1 in a single bone marrow sample. Recombinant human IFN-α-2b injections were administered subcutaneously 2-3 times per week for 6 months. The 2-year cumulative incidence of severe acute and chronic graft-versus-host disease after IFN-α treatment was 5...
April 27, 2017: Biology of Blood and Marrow Transplantation
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