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https://www.readbyqxmd.com/read/27909985/il-25-blockade-inhibits-metastasis-in-breast-cancer
#1
Zhujun Jiang, Jingtao Chen, Xuemei Du, Hang Cheng, Xiaohu Wang, Chen Dong
Metastasis is the leading cause of death in breast cancer patients. However, the mechanisms underlying metastasis are not well understood and there is no effective treatment in the clinic. Here, we demonstrate that in MMTV-PyMT, a highly malignant spontaneous breast tumor model, IL-25 (also called IL-17E) was expressed by tumor-infiltrating CD4(+) T cells and macrophages. An IL-25 neutralization antibody, while not affecting primary tumor growth, substantially reduced lung metastasis. Inhibition of IL-25 resulted in decreased type 2 T cells and macrophages in the primary tumor microenvironments, both reported to enhance breast tumor invasion and subsequent metastasis to the lung...
December 1, 2016: Protein & Cell
https://www.readbyqxmd.com/read/27903425/activation-of-akt-and-jnk-nrf2-nqo1-pathway-contributes-to-the-protective-effect-of-coptisine-against-aaph-induced-oxidative-stress
#2
Yin-Ran Hu, Hang Ma, Zong-Yao Zou, Kai He, Yu-Bo Xiao, Yue Wang, Min Feng, Xiao-Li Ye, Xue-Gang Li
Coptisine (COP) is one of the main active constituents of Coptidis Rhizoma. Previous studies have clarified that COP possesses antioxidant activity, but its defensive effects against pathological characteristics accompanied by oxidative damage in animal models and antioxidant mechanism are still unclear. Therefore, our purpose was to confirm the antioxidant activity of COP and explore its mechanism of action. We first detected the effects of COP on intracellular reactive oxygen species (ROS), heart beating rate, lipid peroxidation and cell death in zebrafish model with AAPH-induced oxidative stress...
November 27, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27903206/long-term-outcomes-after-severe-drug-overdose
#3
Lee Y Wong, Rinaldo Bellomo, Ray Robbins, Johan Martensson, Richard Kanaan, Richard Newton, Chih-Chiang Hu, David M Taylor
OBJECTIVE: The long-term outcomes of patients with drug overdose admitted to the intensive care unit compared with those admitted to general wards have not been assessed. We aimed to compare the recurrence of overdose, mortality after hospital discharge, cause of death and quality-of-life scores (using the EQ-5D questionnaire) between the ICU patients and general ward patients. METHODS: We performed a retrospective cohort study of 102 ICU patients with drug overdose and 102 matched general ward patients with drug overdose in a university-affiliated teaching hospital between 2009 and 2013...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27898722/suicide-among-young-people-and-adults-in-ireland-method-characteristics-toxicological-analysis-and-substance-abuse-histories-compared
#4
Ella Arensman, Marco Bennardi, Celine Larkin, Amanda Wall, Carmel McAuliffe, Jacklyn McCarthy, Eileen Williamson, Ivan J Perry
OBJECTIVE: Information on factors associated with suicide among young individuals in Ireland is limited. The aim of this study was to identify socio-demographic characteristics and circumstances of death associated with age among individuals who died by suicide. METHODS: The study examined 121 consecutive suicides (2007-2012) occurring in the southern eastern part of Ireland (Cork city and county). Data were obtained from coroners, family informants, and health care professionals...
2016: PloS One
https://www.readbyqxmd.com/read/27888146/a-rhodium-iii-based-inhibitor-of-autotaxin-with-antiproliferative-activity
#5
Tian-Shu Kang, Wanhe Wang, Hai-Jing Zhong, Jia-Xin Liang, Chung-Nga Ko, Jin-Jian Lu, Xiu-Ping Chen, Dik-Lung Ma, Chung-Hang Leung
BACKGROUND: Cancer of the skin is by far the most common of all cancers. Melanoma accounts for only about 1% of skin cancers but causes a large majority of skin cancer deaths. Autotaxin (ATX), also known as ectonucleotide pyrophosphatase/phosphodiesterase 2 (ENPP2), regulates physiological and pathological functions of lysophosphatidic acid (LPA), and is thus an important therapeutic target. METHODS: We synthesized ten metal-based complexes and a novel cyclometalated rhodium(III) complex 1 was identified as an ATX enzymatic inhibitor using multiple methods, including ATX enzymatic assay, thermal shift assay, western immunoblotting and so on...
November 22, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27882859/suicide-and-self-inflicted-injury-hospitalizations-in-canada-1979-to-2014-15
#6
R Skinner, S McFaull, J Draca, M Frechette, J Kaur, C Pearson, W Thompson
INTRODUCTION: The purpose of this paper is to describe the trends and patterns of self-inflicted injuries, available from Canadian administrative data between 1979 and 2014/15, in order to inform and improve suicide prevention efforts. METHODS: Suicide mortality and hospital separation data were retrieved from the Public Health Agency of Canada (PHAC) holdings of Statistics Canada's Canadian Vital Statistics: Death Database (CVS:D) (1979 to 2012); Canadian Socio-Economic Information Management System (CANSIM 2011, 2012); the Hospital Morbidity Database (HMDB) (1994/95 to 2010/11); and the Discharge Abstract Database (2011/12 to 2014/15)...
November 2016: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/27852711/angioplasty-and-stenting-for-patients-with-symptomatic-intracranial-atherosclerosis-study-protocol-of-a-randomised-controlled-trial
#7
Xiao-Ping Cui, Min Lin, Jun-Shan Mu, Jian-Xin Ye, Wen-Qing He, Mao-Lin Fu, Hua Li, Jia-Yang Fang, Feng-Feng Shen, Hang Lin
INTRODUCTION: Whether adding percutaneous transluminal angioplasty and stenting (PTAS) to background medical treatment is effective for decreasing the incidence of stroke or death in patients with symptomatic intracranial atherosclerosis (ICAS) is still controversial. We perform a randomised controlled trial to examine the effectiveness and safety of an improved PTAS procedure for patients with ICAS. METHODS AND ANALYSIS: A randomised controlled trial will be conducted in three hospitals in China...
November 15, 2016: BMJ Open
https://www.readbyqxmd.com/read/27852588/relationship-between-%C3%AE-blocker-therapy-at-discharge-and-clinical-outcomes-in-patients-with-acute-coronary-syndrome-undergoing-percutaneous-coronary-intervention
#8
Chenze Li, Yang Sun, Xiaoqing Shen, Ting Yu, Qing Li, Guoran Ruan, Lina Zhang, Qiang Huang, Hang Zhuang, Jingqiu Huang, Li Ni, Luyun Wang, Jiangang Jiang, Yan Wang, Dao Wen Wang
BACKGROUND: The evidence supporting the use of β-blockers in patients with acute coronary syndrome after successful percutaneous coronary intervention has been inconsistent and scarce. METHODS AND RESULTS: Between March 1, 2009, and December 30, 2014, a total of 3180 eligible patients with acute coronary syndrome undergoing percutaneous coronary intervention were consecutively enrolled. The primary end point was all-cause death and the secondary end point was a composite of all-cause death, nonfatal myocardial infarction, heart failure readmission, and cardiogenic hospitalization...
November 16, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27842563/novel-extracellular-and-nuclear-caspase-1-and-inflammasomes-propagate-inflammation-and-regulate-gene-expression-a-comprehensive-database-mining-study
#9
Luqiao Wang, Hangfei Fu, Gayani Nanayakkara, Yafeng Li, Ying Shao, Candice Johnson, Jiali Cheng, William Y Yang, Fan Yang, Muriel Lavallee, Yanjie Xu, Xiaoshu Cheng, Hang Xi, Jonathan Yi, Jun Yu, Eric T Choi, Hong Wang, Xiaofeng Yang
BACKGROUND: Caspase-1 is present in the cytosol as an inactive zymogen and requires the protein complexes named "inflammasomes" for proteolytic activation. However, it remains unclear whether the proteolytic activity of caspase-1 is confined only to the cytosol where inflammasomes are assembled to convert inactive pro-caspase-1 to active caspase-1. METHODS: We conducted meticulous data analysis methods on proteomic, protein interaction, protein intracellular localization, and gene expressions of 114 experimentally identified caspase-1 substrates and 38 caspase-1 interaction proteins in normal physiological conditions and in various pathologies...
November 14, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27837165/pattern-of-unnatural-deaths-among-children-an-autopsy-study
#10
Praveen Athani, Basappa S Hugar, S Harish, Y P Girishchandra
This study was conducted at the M. S. Ramaiah Medical College, Bangalore, between October 2007 and September 2009 to analyse the age and sex distribution of unnatural deaths in children, patterns and manner of death. Detailed information regarding the circumstances of death was sought from the relatives, friends and police. The scene of occurrence was visited, and photographs of the scene of occurrence were examined in relevant cases. Unnatural deaths in children constituted 6.62% of the total autopsies conducted...
November 11, 2016: Medico-legal Journal
https://www.readbyqxmd.com/read/27810586/evaluation-of-geriatric-suicides-in-turkey
#11
Erdal Özer, Burak Gümüş, Hüseyin Balandiz, Güven Seçkin Kırcı, Halil İlhan Aydoğdu, Ramazan Tetikçok
INTRODUCTION: Suicide is defined as an individual taking action towards themselves with the intention of terminating their own life. According to the World Health Organisation (WHO), 800,000 deaths per year worldwide are due to suicide. In 2012, suicide cases constituted 1.4% of all the deaths worldwide. In most countries throughout the world, the suicide rates of the elderly are higher than those of other age groups. Epidemiological studies have concluded that suicide rates increase with advancing age in all societies, this increase accelerates after the age of 65 years and the highest rates are reached after the age of 75 years...
October 24, 2016: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27807255/epigallocatechin-3-gallate-protects-against-hepatic-ischaemia-reperfusion-injury-by-reducing-oxidative-stress-and-apoptotic-cell-death
#12
Eunyoung Tak, Gil-Chun Park, Seok-Hwan Kim, Dae Young Jun, Jooyoung Lee, Shin Hwang, Gi-Won Song, Sung-Gyu Lee
OBJECTIVE: To investigate the protective effects of epigallocatechin-3-gallate (EGCG), a major polyphenol source in green tea, against hepatic ischaemia-reperfusion injury in mice. METHODS: The partial hepatic ischaemia-reperfusion injury model was created by employing the hanging-weight method in C57BL/6 male mice. EGCG (50 mg/kg) was administered via an intraperitoneal injection 45 min before performing the reperfusion. A number of markers of inflammation, oxidative stress, apoptosis and liver injury were measured after the ischaemia-reperfusion injury had been induced...
November 1, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27806643/manganese-superoxide-dismutase-gene-modified-mesenchymal-stem-cells-attenuates-acute-radiation-induced-lung-injury
#13
HaiXu Chen, Hang Xiang, BenYan Wu, XiaoMei Zhang, Ming Li, Juan Liu, Jun Li, ZhaoQi Ren, Bin Du, KunLun He, Qiang Zeng, Chao Yang
Radiation-induced lung injury (RILI) is a major clinical complication for radiotherapy in thoracic tumors. An immediate effect of lung irradiation is the generation of reactive oxygen (ROS) that can produce oxidative damage to DNA, lipids, and proteins resulting in lung cell injury or death. Currently, the medical management of RILI remains supportive. Therefore, there is an urgent need for the development of countermeasures. The present study was aimed to evaluate the protective effect of manganese superoxide dismutase (MnSOD) gene modified mesenchymal stem cells (MSCs) to facilitate the improved recovery of RILI...
November 2, 2016: Human Gene Therapy
https://www.readbyqxmd.com/read/27799787/prognostic-impact-of-body-mass-index-stratified-by-smoking-status-in-patients-with-esophageal-squamous-cell-carcinoma
#14
Peng Sun, Fei Zhang, Cui Chen, Chao Ren, Xi-Wen Bi, Hang Yang, Xin An, Feng-Hua Wang, Wen-Qi Jiang
BACKGROUND: As smoking affects the body mass index (BMI) and causes the risk of esophageal squamous cell carcinoma (ESCC), the prognostic impact of BMI in ESCC could be stratified by smoking status. We investigated the true prognostic effect of BMI and its potential modification by smoking status in ESCC. METHODS: We retrospectively analyzed 459 patients who underwent curative treatment at a single institution between January 2007 and December 2010. BMI was calculated using the measured height and weight before surgery...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27777432/case-of-24-week-fetus-delivered-from-mother-on-life-support-with-brain-death-from-suicide-attempt-ethical-issues-associated-with-severe-complications
#15
Takeshi Nishimura, Keisuke Kohama, Takaaki Osako, Taihei Yamada, Hiroyuki Tanaka, Atsunori Nakao, Joji Kotani
Advances in critical care medicine have made it possible to sustain vital organ systems in brain-dead patients. One clinical scenario besides donor organ retrieval in which a benefit may be gained from continuing life support is pregnancy. A pregnant woman in her late 30's at 23 weeks gestation exhibiting worsening depression was referred to the Department of Psychiatry. One day after admission she attempted suicide by hanging and suffered a cardiopulmonary arrest. A fetal heart beat and fetal motion was confirmed immediately after resuscitation...
October 2016: Acta Medica Okayama
https://www.readbyqxmd.com/read/27766411/post-mortem-ct-hounsfield-unit-profiles-obtained-in-the-lungs-with-respect-to-the-cause-of-death-assessment
#16
Daniel Schober, Nicole Schwendener, Wolf-Dieter Zech, Christian Jackowski
Segmentation of the lungs using post-mortem computed tomography (PMCT) data was so far not feasible due to post-mortem changes such as internal livores. Recently, an Osirix plug-in has been developed allowing automatically segmenting lungs also in PMCT data. The aim of this study was to investigate if the Hounsfield unit (HU) profiles obtained in PMCT data of the segmented lung tissue present with specific behaviour in relation to the cause of death. In 105 PMCT data sets of forensic cases, the entire lung volumes were segmented using the Mia Lite plug-in on Osirix...
October 20, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27748528/long-term-survival-after-acute-myocardial-infarction-in-patients-with-hypertrophic-cardiomyopathy
#17
Yin-Jian Yang, Chao-Mei Fan, Jin-Qing Yuan, Hai-Bin Zhang, Fu-Jian Duan, Zhi-Min Wang, Xi-Ying Guo, Shan-Shan Zhai, Shuo-Yan An, Fei Hang, Yi-Shi Li
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is associated with poor prognosis. It has been reported that there is no difference in in-hospital mortality after acute myocardial infarction (AMI) between patients with and without HCM. However, whether there is a difference in long-term survival after AMI between patients with and without HCM remains unclear. HYPOTHESIS: Long-term survival after AMI is worse in patients with vs without HCM. METHODS: The clinical profiles of 91 consecutive patients with HCM and AMI (HCM group) and 91 sex- and age-matched patients with AMI without HCM (non-HCM group) were analyzed...
October 17, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27745611/previous-suicide-attempt-and-its-association-with-method-used-in-a-suicide-death
#18
Ethan C Jamison, Kirk A Bol
INTRODUCTION: Non-fatal suicide attempts are a risk factor for suicide, but less is known about its effect on the method of injury used in an eventual suicide death. This study examines the association between history of non-fatal suicide attempt and the risk of a poisoning suicide versus firearm or hanging suicide in Colorado. METHODS: Nine years (2004-2012, N=7,020) of suicide deaths in Colorado were compiled through the National Violent Death Reporting System...
November 2016: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27744134/completed-suicide-among-university-student-in-eskisehir-turkey
#19
Kenan Karbeyaz, Mehmet Toygar, Adnan Çelikel
INTRODUCTION: In this study student suicides are classified as a distinct group in Eskisehir-a city located in the western part of our country and famous as a student city. The study aims at describing demographic and suicide specification of cases and compare some important issues between males and females. METHOD: All the judicially deaths in Eskisehir in a 12 year period between 2004 and 2015 have been evaluated. 75 cases that were deemed as suicide cases as a result of criminal investigation have been included in the study...
September 28, 2016: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/27717805/the-na-hco3-co-transporter-is-protective-during-ischemia-in-astrocytes
#20
Hang Yao, Priti Azad, Huiwen W Zhao, Juan Wang, Orit Poulsen, Beatriz C Freitas, Alysson R Muotri, Gabriel G Haddad
The sodium bicarbonate co-transporter (NBC) is the major bicarbonate-dependent acid-base transporter in mammalian astrocytes and has been implicated in ischemic brain injury. A malfunction of astrocytes could have great impact on the outcome of stroke due to their participation in the formation of blood-brain barrier, synaptic transmission, and electrolyte balance in the human brain. Nevertheless, the role of NBC in the ischemic astrocyte death has not been well understood. In this work, we obtained skin biopsies from healthy human subjects and had their fibroblasts grown in culture and reprogrammed into human-induced pluripotent stem cells (hiPSCs)...
December 17, 2016: Neuroscience
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