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https://www.readbyqxmd.com/read/27935861/microrna-203-predicts-human-survival-after-resection-of-colorectal-liver-metastasis
#1
T Peter Kingham, Hoang C B Nguyen, Jian Zheng, Ioannis T Konstantinidis, Eran Sadot, Jinru Shia, Deborah Kuk, Steven Zhang, Leonard Saltz, Michael I D'Angelica, William R Jarnagin, Hani Goodarzi, Sohail F Tavazoie
BACKGROUND: Resection of colorectal liver metastasis (CRLM) can be curative. Predicting which patients may benefit from resection, however, remains challenging. Some microRNAs (miRNAs) become deregulated in cancers and contribute to cancer progression. We hypothesized that miRNA expression can serve as a prognostic marker of survival after CRLM resection. RESULTS: MiR-203 was significantly overexpressed in tumors of short-term survivors compared to long-term survivors...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27920984/staphylococcus-lugdunensis-endocarditis-with-destruction-of-the-ventricular-septum-and-multiple-native-valves
#2
Celestine Ishiekwene, Monica Ghitan, Margaret Kuhn-Basti, Edward Chapnick, Yu Shia Lin
Staphylococcus lugdunensis (S. lugdunensis) is a coagulase negative staphylococcus (CoNS) that can cause destructive infective endocarditis. S. lugdunensis, unlike other CoNS, should be considered to be a pathogen. We report the first case of S. lugdunensis endocarditis causing ventricular septal defect and destruction of the aortic and mitral valves. A 53-year-old male with morbid obesity and COPD presented with intermittent fever and progressive shortness of breath for 2 weeks. Chest examination showed bilateral basal crepitations, and a grade 2 systolic murmur along the right sternal border...
2017: IDCases
https://www.readbyqxmd.com/read/27903953/sociocultural-characteristic-lifestyle-and-metabolic-risk-factors-among-a-sample-of-kuwaiti-male-university-students
#3
Maha Al-Sejari
In the past six decades, the Kuwaiti population has been exposed to rapid transformation in the quality of diet intake, daily activities, and career types. This major socioeconomic shift was accompanied by the introduction of both communicable and noncommunicable chronic diseases afflicting people of all ages. This article aims to detect a relationship between sociocultural characteristics-such as physical activity, dietary habits, and smoking-and the prevalence of metabolic syndrome (MetS). A descriptive, cross-sectional survey was conducted among 262 male university students in Kuwait; participants were selected by using a convenient nonrandom opportunistic sample...
November 29, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27891214/one-step-immortalization-of-primary-human-airway-epithelial-cells-capable-of-oncogenic-transformation
#4
Jordan L Smith, Liam C Lee, Abigail Read, Qiuning Li, Bing Yu, Chih-Shia Lee, Ji Luo
BACKGROUND: The ability to transform normal human cells into cancer cells with the introduction of defined genetic alterations is a valuable method for understanding the mechanisms of oncogenesis. Easy establishment of immortalized but non-transformed human cells from various tissues would facilitate these genetic analyses. RESULTS: We report here a simple, one-step immortalization method that involves retroviral vector mediated co-expression of the human telomerase protein and a shRNA targeting the CDKN2A gene locus...
2016: Cell & Bioscience
https://www.readbyqxmd.com/read/27875625/clinical-and-genetic-determinants-of-ovarian-metastases-from-colorectal-cancer
#5
Karuna Ganesh, Ronak H Shah, Efsevia Vakiani, Garrett M Nash, Hugh P Skottowe, Rona Yaeger, Andrea Cercek, Anne Lincoln, Christina Tran, Neil H Segal, Diane L Reidy, Anna Varghese, Andrew S Epstein, Yukio Sonoda, Dennis Chi, Jose Guillem, Larissa Temple, Philip Paty, Jaclyn Hechtman, Jinru Shia, Martin Weiser, Julio Garcia Aguilar, Nancy Kemeny, Michael F Berger, Leonard Saltz, Zsofia K Stadler
BACKGROUND: Ovarian metastases from colorectal cancer (OM-CRC) often are unresponsive to chemotherapy and are associated with poor survival. To the authors' knowledge, the clinicopathologic and genomic predictors of OM-CRC are poorly characterized and optimal clinical management remains unclear. METHODS: Women with a histopathological diagnosis of OM-CRC who were treated at Memorial Sloan Kettering Cancer Center from 1999 to 2015 were identified. Next-generation somatic mutation profiling (Memorial Sloan Kettering-Integrated Mutation Profiling of Actionable Cancer Targets [MSK-IMPACT]) was performed on 38 OM-CRC cases, including 21 matched tumor pairs/trios...
November 22, 2016: Cancer
https://www.readbyqxmd.com/read/27829279/combined-intrahepatic-cholangiocarcinoma-and-hepatocellular-carcinoma
#6
Louise C Connell, James J Harding, Jinru Shia, Ghassan K Abou-Alfa
Hepatocellular carcinoma (HCC), the fifth most common cancer globally and third leading cause of cancer-related mortality is a heterogeneous disease with a highly variable clinical course. The inherent biological diversity of hepatic carcinomas may hinder therapeutic decision making and prognostication for patients. One distinct, albeit rare, subtype of primary hepatic carcinoma is combined intrahepatic cholangiocarcinoma and hepatocellular carcinoma (cHCC-ICC), which carries an overall worse prognosis than either HCC or intrahepatic cholangiocarcinoma (ICC) alone...
October 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/27829276/biliary-carcinomas-pathology-and-the-role-of-dna-mismatch-repair-deficiency
#7
Vitor Werneck Krauss Silva, Gokce Askan, Tanisha D Daniel, Maeve Lowery, David S Klimstra, Ghassan K Abou-Alfa, Jinru Shia
The pathology of biliary carcinomas is diverse with different gross and histological features in tumors arising in the different segments of the biliary system. Various epidemiological risk factors, varied genetic makeup, and tissue microenvironment are contributory factors. As biliary tumors have been shown to be a part of the Lynch syndrome tumor spectrum, it is plausible to speculate that DNA mismatch repair (MMR) deficiency plays a role in biliary tumors. Literature data suggest that DNA MMR deficiency indeed occurs in these tumors, albeit infrequently with the reported frequencies (weighted for sample size) of high level microsatellite instability (MSI) being 5% each for gallbladder carcinoma and carcinoma of extra-hepatic bile ducts, and 10% each for intrahepatic cholangiocarcinoma and ampullary carcinoma...
October 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/27822848/islam-and-environmental-consciousness-a-new-scale-development
#8
Hossein Emari, Hossein Vazifehdoust, Hashem Nikoomaram
This research proposed a new construct, Islamic environmental consciousness (IEC), and developed a measurement scale to support this construct. Churchill's (J Mark Res 16(1):64-73, 1979) paradigm, adapted by Negra and Mzoughi (Internet Res 22(4):426-442, 2012), was utilized. A total of 32 items were generated based on the verses of the Qur'an from nine interviews with teachers in an Islamic seminary. This set of items was reduced to 19 after dropping redundant or non-representative items. In a pilot study, factor analysis of the 19-item scale yielded a two-factor structure scale of seven items with a reliability ranging from 0...
November 7, 2016: Journal of Religion and Health
https://www.readbyqxmd.com/read/27781382/hepatocellular-adenoma-among-adult-survivors-of-childhood-and-young-adult-cancer
#9
Emily S Tonorezos, Dana Barnea, Ghassan K Abou-Alfa, Jacqueline Bromberg, Michael D'Angelica, Charles A Sklar, Jinru Shia, Kevin C Oeffinger
Hepatocellular adenoma (HCA) is a rare benign epithelial neoplasm with potential for hemorrhage, rupture, or malignant transformation. Reported annual incidence of HCA is approximately 1/1,000,000. We identified 12 cases of HCA among adults with a history of childhood or young adult cancer. The most common cancer diagnosis was leukemia (N = 4). Five had undergone allogeneic hematopoietic stem cell transplant with total body irradiation. All 11 females had prior estrogen therapy; the male case was hypogonadal...
October 26, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27750001/cobalt-ii-catalyzed-aerobic-oxidation-of-terminal-capped-alkynyl-alpha-cyano-alkanone-systems-an-oxygen-mediated-radical-chain-reaction
#10
Jing-Kai Huang, Ying-Chieh Wong, Tzu-Ting Kao, Chen-Tso Tseng, Kak-Shan Shia
A new NHPI/Co(II)-catalyzed protocol, mechanistically involving a sequence of alpha-hydrogen abstraction, 5-exo-dig cyclization, oxygen capture, hydrogen transfer and 1,4-dehydration, has been developed to facilitate aerobic oxidation of aryl-, silyl- and alkyl-capped alkynyl alpha-cyano alkanone systems, respectively, to the corresponding highly functionalized products in an effective manner, thus turning this novel chain reaction, originally occurring spontaneously in low yields, into a practical methodology...
October 17, 2016: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/27681620/structure-guided-enzymology-of-the-lipid-a-acyltransferase-lpxm-reveals-a-dual-activity-mechanism
#11
Dustin Dovala, Christopher M Rath, Qijun Hu, William S Sawyer, Steven Shia, Robert A Elling, Mark S Knapp, Louis E Metzger
Gram-negative bacteria possess a characteristic outer membrane, of which the lipid A constituent elicits a strong host immune response through the Toll-like receptor 4 complex, and acts as a component of the permeability barrier to prevent uptake of bactericidal compounds. Lipid A species comprise the bulk of the outer leaflet of the outer membrane and are produced through a multistep biosynthetic pathway conserved in most Gram-negative bacteria. The final steps in this pathway involve the secondary acylation of lipid A precursors...
October 11, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27667129/promoting-similarity-of-model-sparsity-structures-in-integrative-analysis-of-cancer-genetic-data
#12
Yuan Huang, Jin Liu, Huangdi Yi, Ben-Chang Shia, Shuangge Ma
In profiling studies, the analysis of a single dataset often leads to unsatisfactory results because of the small sample size. Multi-dataset analysis utilizes information of multiple independent datasets and outperforms single-dataset analysis. Among the available multi-dataset analysis methods, integrative analysis methods aggregate and analyze raw data and outperform meta-analysis methods, which analyze multiple datasets separately and then pool summary statistics. In this study, we conduct integrative analysis and marker selection under the heterogeneity structure, which allows different datasets to have overlapping but not necessarily identical sets of markers...
September 25, 2016: Statistics in Medicine
https://www.readbyqxmd.com/read/27641934/distance-to-the-anal-verge-is-associated-with-pathologic-complete-response-to-neoadjuvant-therapy-in-locally-advanced-rectal-cancer
#13
Sunil V Patel, Campbell S Roxburgh, Efsevia Vakiani, Jinru Shia, J Joshua Smith, Larissa K Temple, Philip Paty, Julio Garcia-Aguilar, Garrett Nash, Jose Guillem, Abraham Wu, Marsha Reyngold, Martin R Weiser
BACKGROUND AND OBJECTIVES: Achieving a pathologic complete response (pCR) after neoadjuvant therapy has been associated with better prognosis in rectal cancer patients. The objective of this study was to investigate the relationship between distance to the anal verge (DTAV) and pCR. METHODS: Review of a prospectively maintained database of patients with locally advanced rectal cancer who received neoadjuvant treatment was completed. Uni- and multivariate analysis assessed the association between DTAV and pCR after neoadjuvant therapy...
October 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27591765/distinct-pathways-of-pathogenesis-of-intraductal-oncocytic-papillary-neoplasms-and-intraductal-papillary-mucinous-neoplasms-of-the-pancreas
#14
Olca Basturk, Sun M Chung, Ralph H Hruban, N Volkan Adsay, Gokce Askan, Christine Iacobuzio-Donahue, Serdar Balci, Sui Y Zee, Bahar Memis, Jinru Shia, David S Klimstra
Intraductal oncocytic papillary neoplasm (IOPN) of the pancreas is classified as a variant of intraductal papillary mucinous neoplasm (IPMN) in the WHO guidelines. However, the neoplastic cells of IOPNs are unique, with distinctive architecture/oncocytic cytoplasm. Although molecular/immunohistochemical features of other IPMN variants have been extensively studied, those of IOPNs have not been well characterized. Expression profile of antibodies associated with genetic alterations previously described for ductal adenocarcinomas (DAs) and IPMNs (SMAD4/β-catenin/p53/mesothelin/claudin-4) as well as antibodies to mucins and differentiation markers [MUC1/MUC2/MUC5AC/MUC6/CDX2/hepatocyte paraffin-1 (HepPar-1)] was investigated in 24 IOPNs and 22 IPMNs to assess the similarities/differences between these tumors...
November 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27558481/colorectal-cancer-in-the-very-young-a-comparative-study-of-tumor-markers-pathology-and-survival-in-early-onset-and-adult-onset-patients
#15
Sajid A Khan, Melinda Morris, Kamran Idrees, Mark I Gimbel, Shoshana Rosenberg, Zhaoshi Zeng, Fangyong Li, Geliang Gan, Jinru Shia, Michael P LaQuaglia, Philip B Paty
INTRODUCTION: Colorectal cancer (CRC) diagnosed before age 30 years is a fatal disease whose biology remains poorly understood. To understand its pathogenesis, we compared molecular and clinical data in surgically treated early-age onset and adult onset patients. MATERIALS AND METHODS: Clinical data and tumor tissue were collected retrospectively for 94 patients with early-age onset CRC (age ≤30 years) and compared to 275 adult CRC patients (age ≥50 years). Tumor morphology, microsatellite instability (MSI) and stability (MSS), KRAS and BRAF mutations, and mismatch repair (MMR) expression (MSH2, MLH1, MSH6, PMS2) were assessed...
November 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27443512/patterns-and-prognostic-relevance-of-pd-1-and-pd-l1-expression-in-colorectal-carcinoma
#16
Lik Hang Lee, Marcela S Cavalcanti, Neil H Segal, Jaclyn F Hechtman, Martin R Weiser, J Joshua Smith, Julio Garcia-Aguilar, Eran Sadot, Peter Ntiamoah, Arnold J Markowitz, Moshe Shike, Zsofia K Stadler, Efsevia Vakiani, David S Klimstra, Jinru Shia
Immune checkpoint blockade targeting the programmed death-1 (PD-1) pathway has shown efficacy in several types of cancers including mismatch-repair-deficient colorectal carcinoma. In some tumor types, programmed death-ligand 1 (PD-L1) expression detected by immunohistochemistry has shown utility as a predictive marker for response to anti-PD-1 therapies. This utility, however, remains to be determined in colorectal carcinoma. In addition, although tumor-infiltrating lymphocytes have been associated with better prognosis in colorectal carcinoma, the prognostic value of PD-1 expression in these lymphocytes and its interaction with PD-L1 expression still await investigation...
November 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27432867/trends-in-antihypertensive-medication-discontinuation-and-low-adherence-among-medicare-beneficiaries-initiating-treatment-from-2007-to-2012
#17
Gabriel S Tajeu, Shia T Kent, Ian M Kronish, Lei Huang, Marie Krousel-Wood, Adam P Bress, Daichi Shimbo, Paul Muntner
Low antihypertensive medication adherence is common. During recent years, the impact of low medication adherence on increased morbidity and healthcare costs has become more recognized, leading to interventions aimed at improving adherence. We analyzed a 5% sample of Medicare beneficiaries initiating antihypertensive medication between 2007 and 2012 to assess whether reductions occurred in discontinuation and low adherence. Discontinuation was defined as having no days of antihypertensive medication supply for the final 90 days of the 365 days after initiation...
September 2016: Hypertension
https://www.readbyqxmd.com/read/27425386/expression-of-markers-of-hepatocellular-differentiation-in-pancreatic-acinar-cell-neoplasms-%C3%A2-a-potential-diagnostic-pitfall
#18
Gokce Askan, Vikram Deshpande, David S Klimstra, Volkan Adsay, Carlie Sigel, Jinru Shia, Olca Basturk
OBJECTIVES: Pancreatic acinar cell carcinoma (ACC) is a rare tumor that frequently metastasizes to the liver and may present a diagnostic challenge due to its morphologic similarity to hepatocellular carcinoma. We investigated α-fetoprotein (AFP), hepatocyte paraffin antigen 1 (HepPar 1), glypican 3, arginase 1, and albumin messenger RNA (mRNA) in situ hybridization (ISH) in pancreatic neoplasms with ACC differentiation to assess their diagnostic value. METHODS: AFP, HepPar 1, glypican 3, and arginase 1 immunohistochemical staining was performed on 28 ACCs using a tissue microarray...
August 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27412790/detection-of-human-norovirus-in-intestinal-biopsies-from-immunocompromised-transplant-patients
#19
Umesh C Karandikar, Sue E Crawford, Nadim J Ajami, Kosuke Murakami, Baijun Kou, Khalil Ettayebi, Genovefa A Papanicolaou, Ubonvan Jongwutiwes, Miguel-Angel Perales, Jinru Shia, David Mercer, Milton J Finegold, Jan Vinjé, Robert L Atmar, Mary K Estes
Human noroviruses (HuNoVs) can often cause chronic infections in solid organ and haematopoietic stem cell transplant (HSCT) patients. Based on histopathological changes observed during HuNoV infections, the intestine is the presumed site of virus replication in patients; however, the cell types infected by HuNoVs remain unknown. The objective of this study was to characterize histopathological changes during HuNoV infection and to determine the cell types that may be permissive for HuNoV replication in transplant patients...
September 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27400767/multiplexed-cancer-biomarker-detection-using-chip-integrated-silicon-photonic-sensor-arrays
#20
Adam L Washburn, Winnie W Shia, Kimberly A Lenkeit, So-Hyun Lee, Ryan C Bailey
The analysis of disease-specific biomarker panels holds promise for the early detection of a range of diseases, including cancer. Blood-based biomarkers, in particular, are attractive targets for minimally-invasive disease diagnosis. Specifically, a panel of organ-specific biomarkers could find utility as a general disease surveillance tool enabling earlier detection or prognostic monitoring. Using arrays of chip-integrated silicon photonic sensors, we describe the simultaneous detection of eight cancer biomarkers in serum in a relatively rapid (1 hour) and fully automated antibody-based sandwich assay...
September 21, 2016: Analyst
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