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https://www.readbyqxmd.com/read/28855958/proteins-associated-with-the-doubling-time-of-the-nci-60-cancer-cell-lines
#1
Michael Polymenis
The varied nature of human cancers is recapitulated, at least to some extent, in the diverse NCI-60 panel of human cancer cell lines. Here, I used a basic, continuous variable of proliferating cells, their doubling time, to stratify the proteome across the NCI-60 cell lines. Among >7000 proteins quantified in the NCI-60 panel previously, the levels of 84 proteins increase in cells that proliferate slowly. This set overlapped with the hallmark molecular signature "epithelial-mesenchymal transition (EMT)" (p value = 1...
2017: Cell Division
https://www.readbyqxmd.com/read/28797712/estrogen-receptor-beta-as-epigenetic-mediator-of-mir-10b-and-mir-145-in-mammary-cancer
#2
Zoi Piperigkou, Marco Franchi, Martin Götte, Nikos K Karamanos
Even though the role of estrogen receptor alpha (ERα) in the modulation of breast cancer cells' behavior is thoroughly studied, the biological functions of its isoform, ERβ, are less elucidated. The suppression of ERβ in the aggressive ERα-negative MDA-MB-231 breast cancer cells resulted in the inhibition of epithelial to mesenchymal transition (EMT) and major changes in the basic functional properties and expression levels of certain matrix components of breast cancer cells. This arrest in metastatic potential of breast cancer cells suggests the contribution of ERβ in the induction of a more aggressive phenotype in MDA-MB-231 breast cancer cells...
August 8, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28746919/c-ebp%C3%AE-suppresses-lung-adenocarcinoma-cell-invasion-and-migration-by-inhibiting-%C3%AE-catenin
#3
Jinchang Lu, Chunling Du, Junxia Yao, Bo Wu, Yanhong Duan, Lei Zhou, Donghui Xu, Feng Zhou, Liang Gu, Hong Zhou, Yingxin Sun
BACKGROUND/AIMS: The transcription factor CCAAT/enhancer-binding protein α (C/EBPα) is a basic leucine zipper transcription factor that plays essential roles in tumor progression. Although decreased or absent C/EBPα expression in many cancers suggests a possible role for C/EBPα as a tumor suppressor, the functions of C/EBPα in lung adenocarcinoma remain unclear. METHODS: Here, C/EBPα expression levels in 26 lung adenocarcinoma and para-carcinoma tissue samples were detected by qRT-PCR and immunohistochemistry...
July 26, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28739720/inhibition-of-bevacizumab-induced-epithelial-mesenchymal-transition-by-batf2-overexpression-involves-the-suppression-of-wnt-%C3%AE-catenin-signaling-in-glioblastoma-cells
#4
Wenqiu Huang, Chenguang Zhang, Mengtian Cui, Jing Niu, Wei Ding
BACKGROUND/AIM: Bevacizumab (BV) has been used for the treatment of recurrent glioblastoma. However, it also induces epithelial-mesenchymal transition (EMT) in glioblastoma cells, which compromises its efficacy. BATF2 (basic leucine zipper ATF-like transcription factor 2), a multi-target transcriptional repressor, has been found to suppress cancer development partly through inhibition of Wnt/β-catenin singling. The roles of BATF2 and Wnt/β-catenin signaling in BV-induced EMT in glioblastoma cells were investigated in this study...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28622155/triad-ix-can-a-patient-testimonial-safely-help-ensure-prehospital-appropriate-critical-versus-end-of-life-care
#5
Ferdinando Mirarchi, Christopher Cammarata, Timothy E Cooney, Kristin Juhasz, Stanley A Terman
OBJECTIVE: The present study sought to assess the clarity of Physician Orders for Life-Sustaining Treatment (POLST) or Living Will (LW) documents alone or in combination with a video message/testimonial (VM). METHODS: Emergency medical services (EMS) personnel responded to survey questions about the meaning of stand-alone POLST and LW documents and those used in conjunction with emergent care scenarios. Personnel were randomized to receive documents only or documents with VM...
June 16, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28621681/overexpression-of-emt-inducing-transcription-factors-as-a-potential-poor-prognostic-factor-for-hepatocellular-carcinoma-in-asian-populations-a-meta-analysis
#6
Tao Wan, Tianwei Zhang, Xiaoying Si, Yanming Zhou
BACKGROUND AND OBJECTIVES: The clinical relevance of epithelial to mesenchymal transition (EMT) in hepatocellular carcinoma (HCC) progression has been highlighted during the last decade. The zinc finger E-box binding homeobox (ZEB) family, the zinc-finger transcriptional repressor (SNAI) family, and the basic helix-loop-helix transcription factor (Twist) family, known as the prominent EMT-inducing transcription factors (EMT-TFs), played a crucial role in the process of EMT. Here, this meta-analysis aimed to evaluate the prognostic value of EMT-TFs high expression in patients with HCC after hepatectomy...
June 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28580167/sequential-emt-met-induces-neuronal-conversion-through-sox2
#7
Songwei He, Jinlong Chen, Yixin Zhang, Mengdan Zhang, Xiao Yang, Yuan Li, Hao Sun, Lilong Lin, Ke Fan, Lining Liang, Chengqian Feng, Fuhui Wang, Xiao Zhang, Yiping Guo, Duanqing Pei, Hui Zheng
Direct neuronal conversion can be achieved with combinations of small-molecule compounds and growth factors. Here, by studying the first or induction phase of the neuronal conversion induced by defined 5C medium, we show that the Sox2-mediated switch from early epithelial-mesenchymal transition (EMT) to late mesenchymal-epithelial transition (MET) within a high proliferation context is essential and sufficient for the conversion from mouse embryonic fibroblasts (MEFs) to TuJ(+) cells. At the early stage, insulin and basic fibroblast growth factor (bFGF)-induced cell proliferation, early EMT, the up-regulation of Stat3 and Sox2, and the subsequent activation of neuron projection...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28498365/inhibition-of-twist1-mediated-invasion-by-chk2-promotes-premature-senescence-in-p53-defective-cancer-cells
#8
Debasis Nayak, Anmol Kumar, Souneek Chakraborty, Reyaz Ur Rasool, Hina Amin, Archana Katoch, Veena Gopinath, Vidushi Mahajan, Mahesh K Zilla, Bilal Rah, Sumit G Gandhi, Asif Ali, Lekha Dinesh Kumar, Anindya Goswami
Twist1, a basic helix-loop-helix transcription factor is implicated as a key mediator of epithelial-mesenchymal transition (EMT) and metastatic dissemination in p53-deficient cancer cells. On the other hand, checkpoint kinase 2 (Chk2), a major cell cycle regulatory protein provides a barrier to tumorigenesis due to DNA damage response by preserving genomic stability of the cells. Here we demonstrate that Chk2 induction proficiently abrogates invasion, cell scattering and invadopodia formation ability of p53-mutated invasive cells by suppressing Twist1, indicating Chk2 confers vital role in metastasis prevention...
July 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28424890/left-atrial-electromechanical-conduction-time-predicts-atrial-fibrillation-in-patients-with-mitral-stenosis-a-5-year-follow-up-speckle-tracking-echocardiography-study
#9
Ozkan Candan, Cetin Gecmen, Arzu Kalayci, Cem Dogan, Emrah Bayam, Mehmet Ozkan
Prolonged left atrial electromechanical conduction time is related with atrial electrical remodeling, and is predictive of the development of atrial fibrillation. The aim of our study was to examine whether left atrial electromechanical conduction time (EMT) and left atrial strain as measured by speckle tracking echocardiography (STE) are predictors for the development of atrial fibrillation (AF) in patients with mitral stenosis (MS) at 5-year follow-up. A total of 81 patients (61% females; mean age 38.1 ± 12...
April 19, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28341659/chronic-microaspiration-of-bile-acids-induces-lung-fibrosis-through-multiple-mechanisms-in-rats
#10
Bi Chen, Wen Jie You, Xue Qing Liu, Shan Xue, Hui Qin, Han Dong Jiang
Gastroesophageal reflux (GER) and microaspiration of duodenogastric refluxate have been recognized as a risk factor for pulmonary fibrosis. Recent evidence suggests that bile acid microaspiration may contribute to the development of lung fibrosis. However, the molecular evidence is scarce and the underlying mechanisms remain to be elucidated. We have recently demonstrated that bile acids induce activation of alveolar epithelial cells (AECs) and lung fibroblasts in vitro In the present study, a rat model of bile acid microaspiration was established by weekly intratracheal instillation of three major bile acids including chenodeoxycholic acid (CDCA), deoxycholic acid (DCA), and lithocholic acid (LCA)...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28339320/basic-life-support-access-to-injectable-epinephrine-across-the-united-states
#11
Ian D Brasted, Michael W Dailey
BACKGROUND:  Aggressive epinephrine administration has growing support in the treatment of anaphylaxis, a life-threatening allergic reaction. Emergency Medical Services (EMS) providers are frequently in a position to provide the first care to someone experiencing an anaphylactic reaction. Intramuscular injection of epinephrine is the definitive pharmacologic treatment for many associated symptoms. While easy to use, epinephrine autoinjectors (EAI) are prohibitively expensive, having increased in price ten-fold in ten years...
July 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28291494/military-emergency-medical-service-system-assessment-application-of-the-national-park-service-needs-assessment-and-program-audit-to-objectively-evaluate-the-military-ems-system-of-okinawa-japan
#12
Elliot M Ross, Stephen A Harper, Cord Cunningham, Benjamin D Walrath, Gerard DeMers, Chetan U Kharod
INTRODUCTION: As part of a Military Emergency Medical Services (EMS) system process improvement initiative, the authors sought to objectively evaluate the U.S. military EMS system for the island of Okinawa. They applied a program evaluation tool currently utilized by the U.S. National Park Service (NPS). METHODS: A comprehensive needs assessment was conducted to evaluate the current Military EMS system in Okinawa, Japan. The NPS EMS Program Audit Worksheet was used to get an overall "score" of our assessment...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28276310/basic-transcription-factor-3-is-required-for-proliferation-and-epithelial-mesenchymal-transition-via-regulation-of-foxm1-and-jak2-stat3-signaling-in-gastric-cancer
#13
De-Zhong Zhang, Bing-He Chen, Lan-Fang Zhang, Ming-Kun Cheng, Xiang-Jie Fang, Xin-Jun Wu
Gastric cancer (GC) is the most common epithelial malignancy worldwide. Basic transcription factor 3 (BTF3) plays a crucial role in the regulation of various biological processes. We designed experiments to investigate the molecular mechanism underlying the role of BTF3 in GC cell proliferation and metastasis. We confirmed that BTF3 expression was decreased in GC tissues and several GC cell lines. Lentivirus-mediated downregualtion of BTF3 reduced cell proliferation, induced S and G2/M cell cycle arrest, and increased apoptosis...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28228178/the-state-of-emergency-medical-services-ems-systems-in-africa
#14
Nee-Kofi Mould-Millman, Julia M Dixon, Nana Sefa, Arthur Yancey, Bonaventure G Hollong, Mohamed Hagahmed, Adit A Ginde, Lee A Wallis
Introduction Little is known about the existence, distribution, and characteristics of Emergency Medical Services (EMS) systems in Africa, or the corresponding epidemiology of prehospital illness and injury. METHODS: A survey was conducted between 2013 and 2014 by distributing a detailed EMS system questionnaire to experts in paper and electronic versions. The questionnaire ascertained EMS systems' jurisdiction, operations, finance, clinical care, resources, and regulatory environment...
February 23, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28161325/mir-503-3p-promotes-epithelial-mesenchymal-transition-in-breast-cancer-by-directly-targeting-smad2-and-e-cadherin
#15
Zitong Zhao, Xinyi Fan, Lanfang Jiang, Zhongqiu Xu, Liyan Xue, Qimin Zhan, Yongmei Song
Although progress in clinical and basic research has significantly increased our understanding of breast cancer, little is known about the molecular mechanism underlying breast cancer metastasis. Identification of effective therapeutic targets to prevent breast cancer metastasis is urgently needed. The function of miR-503-3p has been investigated in other cancers, but its role in breast cancer remains undefined. Here, we found that miR-503-3p was overexpressed in breast cancer tissue and plasma compared with adjacent normal breast tissue and with plasma from healthy individuals...
February 20, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28100026/mir-203-inhibits-augmented-proliferation-and-metastasis-of-hepatocellular-carcinoma-residual-in-the-promoted-regenerating-liver
#16
Xiao-Bo Zheng, Xiao-Bo Chen, Liang-Liang Xu, Ming Zhang, Lei Feng, Peng-Sheng Yi, Jian-Wei Tang, Ming-Qing Xu
Liver resection is still the most commonly used therapeutic treatment for hepatocellular carcinoma (HCC), and liver regeneration promotes HCC growth in the regenerating liver. The high recurrence/metastasis of HCC is the main cause of death for HCC patients after liver resection. However, how the augmented growth and metastasis of residual HCC induced by the promoted liver regeneration following liver resection can be abolished remains unclear. In this study, a rat model with liver cirrhosis and diffused HCC was established by administration of diethylnitrosamine...
March 2017: Cancer Science
https://www.readbyqxmd.com/read/28095934/the-effect-of-ambulance-staffing-models-in-a-metropolitan-fire-based-ems-system
#17
Eric J Cortez, Ashish R Panchal, James E Davis, David P Keseg
Introduction The staffing of ambulances with different levels of Emergency Medical Service (EMS) providers is a difficult decision with evidence being mixed on the benefit of each model. Hypothesis/Problem The objective of this study was to describe a pilot program evaluating alternative staffing on two ambulances utilizing the paramedic-basic (PB) model (staffed with one paramedic and one emergency medical technician[EMT]). METHODS: This was a retrospective study conducted from September 17, 2013 through December 31, 2013...
April 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28029093/why-do-emergency-medical-services-ems-professionals-leave-ems
#18
Gary Blau, Susan A Chapman
OBJECTIVE: The objective was to determine why Emergency Medical Technician (EMT)-Basics and Paramedics leave the Emergency Medical Services (EMS) workforce. METHODS: Data were collected through annual surveys of nationally registered EMT-Basics and Paramedics from 1999 to 2008. Survey items dealing with satisfaction with the EMS profession, likelihood of leaving the profession, and likelihood of leaving their EMS job were assessed for both EMT-Basics and Paramedics, along with reasons for leaving the profession...
December 2016: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/27928983/the-demographics-and-education-of-emergency-medical-services-ems-professionals-a-national-longitudinal-investigation
#19
Melissa A Bentley, Abigail Shoben, Roger Levine
OBJECTIVES: The objectives of this study were to assess longitudinal and cross-sectional changes in Emergency Medical Technician (EMT)-Basics and Paramedics: (1) demographics, (2) employment characteristics, and (3) initial Emergency Medical Services (EMS) education. METHODS: These data were collected between 1999 and 2008 employing survey techniques aimed at collecting valid data. A random, stratified sample was utilized to allow results to be generalizable to the nationally certified EMS population...
December 2016: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/27928971/recruitment-and-retention-of-new-emergency-medical-technician-emt-basics-and-paramedics
#20
Susan A Chapman, Remle P Crowe, Melissa A Bentley
OBJECTIVES: The purpose of this paper is to describe factors important for the recruitment and retention of Emergency Medical Technician (EMT)-Basics and EMT-Paramedics new to the Emergency Medical Services (EMS) field (defined as two years or less of EMS employment) through an analysis of 10 years of Longitudinal EMT Attributes and Demographic Study (LEADS) data. METHODS: Data were obtained from 10 years of LEADS surveys (1999-2008). Individuals new to the profession were identified through responses to a survey item...
December 2016: Prehospital and Disaster Medicine
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