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https://www.readbyqxmd.com/read/27910777/gastric-adenocarcinoma-biomarker-expression-profiles-and-their-prognostic-value
#1
Serkan Senol, Abdullah Aydin, Duygu Kosemetin, Dilek Ece, Ibrahim Akalin, Hasan Abuoglu, Esra Akdeniz Duran, Dincer Aydin, Burcak Erkol
Expression levels of several molecules implicated in carcinogenesis were examined by immunohistochemical staining, and the prognostic significance of their expression levels in gastric adenocarcinoma (GA) was evaluated. A total of 115 GA and 20 control gastric tissue samples were evaluated by immunohistochemistry using 33 antibodies targeting molecules known to play a part in the development of various tumors. Overexpression of carbonic anhydrase IX (CAIX) and loss of AT-rich interactive domain-containing protein 1A (ARID1A), aldehyde dehydrogenase 1 (ALDH1), and CD44 expression in GA patients were significantly correlated with lymph node (LN) metastasis, advanced tumor stage, and poor prognosis...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27900084/sister-mary-joseph-nodule-caused-by-metastatic-desmoplastic-small-round-cell-tumor-a-clinicopathological-report
#2
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/27873319/lung-neuroendocrine-tumours-deep-sequencing-of-the-four-who-histotypes-reveals-chromatin-remodelling-genes-as-major-players-and-a-prognostic-role-for-tert-rb1-men1-and-kmt2d
#3
Michele Simbolo, Andrea Mafficini, Katarzyna O Sikora, Matteo Fassan, Stefano Barbi, Vincenzo Corbo, Luca Mastracci, Borislav Rusev, Federica Grillo, Caterina Vicentini, Roberto Ferrara, Sara Pilotto, Federico Davini, Giuseppe Pelosi, Rita T Lawlor, Marco Chilosi, Giampaolo Tortora, Emilio Bria, Gabriella Fontanini, Marco Volante, Aldo Scarpa
Next-generation sequencing (NGS) was applied to 148 lung neuroendocrine tumours (LNET) comprising the 4 WHO classification categories: 53 typical carcinoid (TC), 35 atypical carcinoid (AC), 27 large cell neuroendocrine carcinoma (LCNEC), and 33 small cell lung carcinoma (SCLC). A discovery screen was conducted on 46 samples using whole-exome sequencing and high-coverage targeted sequencing of 418 genes. Eighty-eight recurrently mutated genes from both the discovery screen and current literature were verified in the 46 cases of the discovery screen and validated on additional 102 LNET by targeted NGS, and their prevalence was evaluated on the whole series...
November 22, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27871306/akirin2-is-essential-for-the-formation-of-the-cerebral-cortex
#4
Peter J Bosch, Leah C Fuller, Carolyn M Sleeth, Joshua A Weiner
BACKGROUND: The proper spatial and temporal regulation of dorsal telencephalic progenitor behavior is a prerequisite for the formation of the highly-organized, six-layered cerebral cortex. Premature differentiation of cells, disruption of cell cycle timing, excessive apoptosis, and/or incorrect neuronal migration signals can have devastating effects, resulting in a number of neurodevelopmental disorders involving microcephaly and/or lissencephaly. Though genes encoding many key players in cortical development have been identified, our understanding remains incomplete...
November 21, 2016: Neural Development
https://www.readbyqxmd.com/read/27870441/sexual-divergence-in-activity-dependent-neuroprotective-protein-impacting-autism-schizophrenia-and-alzheimer-s-disease
#5
REVIEW
Illana Gozes
Discovered in our laboratory, activity-dependent neuroprotective protein (ADNP) interacts with key regulatory proteins, including the chromatin remodeling complex SWI/SNF, proteins associated with RNA splicing, RNA translation, microtubule dynamics, and autophagy. ADNP regulates > 400 genes during mouse embryonic development and is essential for neural tube closure. ADNP key functions extend from mice to men, with mutations causing ADNP-related ID/autism syndrome, also known as the Helsmoortel-Van der Aa syndrome...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27865874/bromodomain-containing-protein-2-induces-insulin-resistance-via-the-mtor-akt-signaling-pathway-and-an-inflammatory-response-in-adipose-tissue
#6
Ruixin Sun, Yi Wu, Weihua Hou, Zujun Sun, Yuxiong Wang, Huanhuan Wei, Wei Mo, Min Yu
Insulin resistance is a major metabolic abnormality in a large majority of patients with type II diabetes. Bromodomain-containing protein 2 (Brd2), a transcriptional co-activator/co-repressor with switch mating type/sucrose non-fermenting (SWI/SNF)-like functions that regulates chromatin, suppresses adipocyte differentiation and regulates pancreatic β-cell biology. However, the effects of Brd2 on insulin resistance remain unknown. Here, overexpression of Brd2 in white adipose tissue of wild-type (WT) mice led to insulin resistance...
November 16, 2016: Cellular Signalling
https://www.readbyqxmd.com/read/27859962/concise-review-geminin-a-tale-of-two-tails-dna-replication-and-transcriptional-epigenetic-regulation-in-stem-cells
#7
Alexandra L Patmanidi, Spyridon Champeris Tsaniras, Dimitris Karamitros, Christina Kyrousi, Zoi Lygerou, Stavros Taraviras
Molecular mechanisms governing maintenance, commitment, and differentiation of stem cells are largely unexploited. Molecules involved in the regulation of multiple cellular processes are of particular importance for stem cell physiology, as they integrate different signals and coordinate cellular decisions related with self-renewal and fate determination. Geminin has emerged as a critical factor in DNA replication and stem cell differentiation in different stem cell populations. Its inhibitory interaction with Cdt1, a member of the prereplicative complex, ensures the controlled timing of DNA replication and, consequently, genomic stability in actively proliferating cells...
November 11, 2016: Stem Cells
https://www.readbyqxmd.com/read/27856705/the-plant-energy-sensor-evolutionary-conservation-and-divergence-of-snrk1-structure-regulation-and-function
#8
REVIEW
Tom Broeckx, Sander Hulsmans, Filip Rolland
The SnRK1 (SNF1-related kinase 1) kinases are the plant cellular fuel gauges, activated in response to energy-depleting stress conditions to maintain energy homeostasis while also gatekeeping important developmental transitions for optimal growth and survival. Similar to their opisthokont counterparts (animal AMP-activated kinase, AMPK, and yeast Sucrose Non-Fermenting 1, SNF), they function as heterotrimeric complexes with a catalytic (kinase) α subunit and regulatory β and γ subunits. Although the overall configuration of the kinase complexes is well conserved, plant-specific structural modifications (including a unique hybrid βγ subunit) and associated differences in regulation reflect evolutionary divergence in response to fundamentally different lifestyles...
December 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27845810/communication-between-acute-care-hospitals-and-skilled-nursing-facilities-during-care-transitions-a-retrospective-chart-review
#9
Cheryl Jusela, Laura Struble, Nancy Ambrose Gallagher, Richard W Redman, Rosemary A Ziemba
HOW TO OBTAIN CONTACT HOURS BY READING THIS ARTICLE INSTRUCTIONS XX contact hours will be awarded by Villanova University College of Nursing upon successful completion of this activity. A contact hour is a unit of measurement that denotes 60 minutes of an organized learning activity. This is a learner-based activity. Villanova University College of Nursing does not require submission of your answers to the quiz. A contact hour certificate will be awarded once you register, pay the registration fee, and complete the evaluation form online at http://goo...
November 15, 2016: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/27834213/high-density-array-cgh-with-targeted-ngs-unmask-multiple-noncontiguous-minute-deletions-on-chromosome-3p21-in-mesothelioma
#10
Yoshie Yoshikawa, Mitsuru Emi, Tomoko Hashimoto-Tamaoki, Masaki Ohmuraya, Ayuko Sato, Tohru Tsujimura, Seiki Hasegawa, Takashi Nakano, Masaki Nasu, Sandra Pastorino, Agata Szymiczek, Angela Bononi, Mika Tanji, Ian Pagano, Giovanni Gaudino, Andrea Napolitano, Chandra Goparaju, Harvey I Pass, Haining Yang, Michele Carbone
We used a custom-made comparative genomic hybridization array (aCGH; average probe interval 254 bp) to screen 33 malignant mesothelioma (MM) biopsies for somatic copy number loss throughout the 3p21 region (10.7 Mb) that harbors 251 genes, including BRCA1 (breast cancer 1)-associated protein 1 (BAP1), the most commonly mutated gene in MM. We identified frequent minute biallelic deletions (<3 kb) in 46 of 251 genes: four were cancer-associated genes: SETD2 (SET domain-containing protein 2) (7 of 33), BAP1 (8 of 33), PBRM1 (polybromo 1) (3 of 33), and SMARCC1 (switch/sucrose nonfermentable- SWI/SNF-related, matrix-associated, actin-dependent regulator of chromatin, subfamily c, member 1) (2 of 33)...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27827316/brm-promoter-polymorphisms-risk-and-survival-of-advanced-non-small-cell-lung-cancer-patients-in-the-princess-margaret-cohort-and-ncic-ctg-br-24-trial
#11
Geoffrey Liu, Sinead Cuffe, Shermi Liang, Abul K Azad, Lu Cheng, Yonathan Brhane, Xin Qiu, David W Cescon, Jeff P Bruce, Zhuo Chen, Dangxiao Cheng, Devalben Patel, Brandon C Tse, Scott A Laurie, Glenwood D Goss, Natasha B Leighl, Rayjean J Hung, Penelope A Bradbury, Lesley Seymour, Frances A Shepherd, Ming-Sound Tsao, Bingshu E Chen, Wei Xu, David Reisman
PURPOSE: BRM, a key catalytic subunit of the SWI/SNF chromatin remodeling complex, is a putative tumor susceptibility gene that is silenced in 15% of non-small cell lung cancer (NSCLC). Two novel BRM promoter polymorphisms (BRM-741, BRM-1321) are associated with reversible epigenetic silencing of BRM protein expression. EXPERIMENTAL DESIGN: Advanced NSCLC patients from the Princess Margaret (PM) cohort study and from the CCTG BR.24 clinical trial were genotyped for BRM promoter polymorphisms...
November 8, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27819171/targeting-swi-snf-mutant-cancers-with-tyrosine-kinase-inhibitor-therapy
#12
Paul H Huang
No abstract text is available yet for this article.
November 6, 2016: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/27816064/increased-wnt-and-notch-signaling-a-clue-to-the-renal-disease-in-schimke-immuno-osseous-dysplasia
#13
Marie Morimoto, Clara Myung, Kimberly Beirnes, Kunho Choi, Yumi Asakura, Arend Bokenkamp, Dominique Bonneau, Milena Brugnara, Joel Charrow, Estelle Colin, Amira Davis, Georges Deschenes, Mattia Gentile, Mario Giordano, Andrew K Gormley, Rajeshree Govender, Mark Joseph, Kory Keller, Evelyne Lerut, Elena Levtchenko, Laura Massella, Christy Mayfield, Behzad Najafian, David Parham, Jurgen Spranger, Peter Stenzel, Uluc Yis, Zhongxin Yu, Jonathan Zonana, Glenda Hendson, Cornelius F Boerkoel
BACKGROUND: Schimke immuno-osseous dysplasia (SIOD) is a multisystemic disorder caused by biallelic mutations in the SWI/SNF-related matrix-associated actin-dependent regulator of chromatin, subfamily A-like 1 (SMARCAL1) gene. Changes in gene expression underlie the arteriosclerosis and T-cell immunodeficiency of SIOD; therefore, we hypothesized that SMARCAL1 deficiency causes the focal segmental glomerulosclerosis (FSGS) of SIOD by altering renal gene expression. We tested this hypothesis by gene expression analysis of an SIOD patient kidney and verified these findings through immunofluorescent analysis in additional SIOD patients and a genetic interaction analysis in Drosophila...
November 5, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27783942/dual-targeting-of-pdgfr%C3%AE-and-fgfr1-displays-synergistic-efficacy-in-malignant-rhabdoid-tumors
#14
Jocelyn P Wong, Jason R Todd, Martina A Finetti, Frank McCarthy, Malgorzata Broncel, Simon Vyse, Maciej T Luczynski, Stephen Crosier, Karen A Ryall, Kate Holmes, Leo S Payne, Frances Daley, Patty Wai, Andrew Jenks, Barbara Tanos, Aik-Choon Tan, Rachael C Natrajan, Daniel Williamson, Paul H Huang
Subunits of the SWI/SNF chromatin remodeling complex are mutated in a significant proportion of human cancers. Malignant rhabdoid tumors (MRTs) are lethal pediatric cancers characterized by a deficiency in the SWI/SNF subunit SMARCB1. Here, we employ an integrated molecular profiling and chemical biology approach to demonstrate that the receptor tyrosine kinases (RTKs) PDGFRα and FGFR1 are coactivated in MRT cells and that dual blockade of these receptors has synergistic efficacy. Inhibitor combinations targeting both receptors and the dual inhibitor ponatinib suppress the AKT and ERK1/2 pathways leading to apoptosis...
October 25, 2016: Cell Reports
https://www.readbyqxmd.com/read/27779233/microrna-939-restricts-hepatitis-b-virus-by-targeting-jmjd3-mediated-and-c-ebp%C3%AE-coordinated-chromatin-remodeling
#15
Cuncun Chen, Min Wu, Wen Zhang, Wei Lu, Min Zhang, Zhanqing Zhang, Xiaonan Zhang, Zhenghong Yuan
Multi-layered mechanisms of virus host interaction exist for chronic hepatitis B virus (HBV) infection, which have been typically manifested at the microRNA level. Our previous study suggested that miRNA-939 (miR-939) may play a potential role in regulating HBV replication. Here we further investigated the mechanism by which miR-939 regulates HBV life cycle. We found that miR-939 inhibited the abundance of viral RNAs without direct miRNA-mRNA base pairing, but via host factors. Expression profiling and functional validation identified Jmjd3 as a target responsible for miR-939 induced anti-HBV effect...
October 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27769909/skilled-nursing-facility-care-for-patients-with-heart-failure-can-we-make-it-heart-failure-ready
#16
REVIEW
Nicole M Orr, Rebecca S Boxer, Mary A Dolansky, Larry A Allen, Daniel E Forman
Skilled nursing facilities (SNFs) have emerged as an integral component of care for older adults with heart failure (HF). Despite their prominent role, poor clinical outcomes for the medically complex patients with HF managed in SNFs are common. Barriers to providing quality care include poor transitional care during hospital-to-SNF and SNF-to-community discharges, lack of HF training among SNF staff, and a lack of a standardized care process among SNF facilities. Although no evidence-based practice standards have been established, various measures and tools designed to improve HF management in SNFs are being investigated...
October 18, 2016: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/27766639/is-a-skilled-nursing-facility-s-rehospitalization-rate-a-valid-quality-measure
#17
Momotazur Rahman, David C Grabowski, Vincent Mor, Edward C Norton
OBJECTIVE: To determine whether the observed differences in the risk-adjusted rehospitalization rates across skilled nursing facilities (SNFs) reflect true differences or merely differences in patient severity. SETTINGS: Elderly Medicare beneficiaries newly admitted to an SNF following hospitalization. STUDY DESIGN: We used 2009-2012 Medicare data to calculate SNFs' risk-adjusted rehospitalization rate. We then estimated the effect of these rehospitalization rates on the rehospitalization of incident patients in 2013, using an instrumental variable (IV) method and controlling for patient's demographic and clinical characteristics and residential zip code fixed effects...
October 21, 2016: Health Services Research
https://www.readbyqxmd.com/read/27763736/reversible-stannylenoid-formation-from-the-corresponding-stannylene-and-cesium-fluoride
#18
Chenting Yan, Zhifang Li, Xu-Qiong Xiao, Ningka Wei, Qiong Lu, Mitsuo Kira
A fluorostannylenoid (Cs(+) [R2 SnF](-) (9), R2 =(TMS)2 CCH2 CH2 C(TMS)2 ) was prepared by reacting a stable dialkylstannylene (R2 Sn (8), R2 =(TMS)2 CCH2 CH2 C(TMS)2 ) with cesium fluoride at room temperature in THF. While 9 is stable in THF and DME, removal of the solvent leads to the regeneration of stannylene 8. No reaction occurred when 8 was treated with CsF in a hydrocarbon solvent. Addition of dibenzo-21-crown-7 ether to the THF solution of stannylenoid 9 followed by usual workup affords the corresponding crystalline stannylenoid crown ether complex, the X-ray structural analysis of which revealed a fluorine-bridged contact ion-pair structure...
November 14, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27756662/mutational-analysis-of-recurrent-meningioma-progressing-from-atypical-to-rhabdoid-subtype
#19
Mateusz Bujko, Marcin M Machnicki, Emilia Grecka, Natalia Rusetska, Ewa Matyja, Paulina Kober, Tomasz Mandat, Małgorzata Rydzanicz, Rafał Płoski, Romuald Krajewski, Wieslaw Bonicki, Tomasz Stokłosa, Janusz A Siedlecki
BACKGROUND: Rhabdoid meningioma is rare aggressive meningioma histological subtype, which develops predominantly through progression from less malignant tumors. Due to a low incidence the biological background is unknown. The aim of this study was to profile somatic mutations in four meningioma samples from the same patient, derived previously from four subsequent tumor resections. CASE DESCRIPTION: 58-year-old woman suffering from recurrent meningioma progressing from atypical to rhabdoid subtype...
October 15, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27745735/all-things-rhabdoid-and-smarc-an-enigmatic-exploration-with-dr-louis-p-dehner
#20
Christine E Fuller
Over the past several decades, our understanding of malignant rhabdoid tumors (MRT) and the central nervous system equivalent atypical teratoid/rhabdoid tumor (ATRT) has undergone considerable refinement, particularly in terms of genetic characterization. MRT (both renal and extra-renal) and ATRT share phenotypic similarities and a common genetic signature, that being inactivating alterations of the SWI/SNF complex component SMARCB1 (or rarely SMARCA4). Unfortunately, a wide array of tumors bears significantly overlapping phenotypic characteristics to MRT/ATRT, posing a formidable diagnostic challenge...
August 31, 2016: Seminars in Diagnostic Pathology
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