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Matthew E Dupre, Alicia Nelson
Heart disease is the leading cause of death in the United States and nearly one million Americans will have a heart attack this year. Although the risks associated with a heart attack are well established, we know surprisingly little about how marital factors contribute to survival in adults afflicted with heart disease. This study uses a life course perspective and longitudinal data from the Health and Retirement Study to examine how various dimensions of marital life influence survival in U.S. older adults who suffered a heart attack (n = 2197)...
October 15, 2016: Social Science & Medicine
Antti Kujansuu, Simo Rautiainen, Helinä Hakko, Juha Kanamüller, Niina Sihvola, Pirkko Riipinen
Relatively little is known about fatal motor vehicle accidents (FMVA) involving drivers with psychiatric disorders. In this study of all drivers killed in FMVAs in Finland between 1990 and 2011, we aimed to study drivers' death rate trends in FMVAs, with special focus on drivers with a history of psychiatric disorders. Prevalence of drivers' hospital treated psychiatric disorders, and characteristics of drivers with psychiatric disorders were also studied. For the purpose of this study, three national registers were accessed...
October 15, 2016: Journal of Psychiatric Research
Stephanie Agtarap, Adriel Boals, Pamela Holtz, Kenleigh Roden-Foreman, Evan E Rainey, Camilo Ruggero, Ann Marie Warren
BACKGROUND: Depression is a common mental health outcome after traumatic injury, negatively impacting physical outcomes and increasing the cost of care. Research shows that the presence and quality of support is a leading protective factor against depression post-injury; however, research is vague on the directional effects of both factors over the course of recovery. METHODS: 130 patients admitted to a Level I Trauma Center were recruited to a prospective study examining overall outcomes one-year after injury...
October 11, 2016: Journal of Affective Disorders
Dandan Ge, Long Sun, Chengchao Zhou, Yangyang Qian, Li Zhang, Alexis Medina
BACKGROUND: Suicide is a global public health problem that has a significant negative influence on individuals, families and the society. The objective of this study is to explore the risk factors associated with suicidal ideation among the elderly in Shandong Province, China. METHOD: A total of 3313 participants (60+) of Shandong Province, China were included in this study. Suicidal ideation was assessed by using questions from the NCS (National Comorbidity Survey)...
September 26, 2016: Journal of Affective Disorders
Koji Kosaka, Keiko Ohkubo, Michihiro Akiba
The occurrence of six haloacetamides (HAcAms), which are a group of emerging nitrogenous disinfection byproducts, was investigated in drinking water across Japan in September 2015 and February 2016. At least one of the six HAcAms were found in all of the drinking water samples and their total concentrations ranged from 0.3 to 3.8 μg/L. The detection frequencies and concentrations of 2,2-dichloroacetamide (DCAcAm) and 2-bromo-2-chloroacetamide (BCAcAm) were the largest among the targeted HAcAm species. The total HAcAm concentrations in the raw water after chlorination ranged from 0...
October 13, 2016: Water Research
Megumi Funakoshi-Tago, Kentaro Ohsawa, Toshiyuki Ishikawa, Fumika Nakamura, Fumihito Ueda, Yuji Narukawa, Fumiyuki Kiuchi, Hiroomi Tamura, Kenji Tago, Tadashi Kasahara
Flavonoids, particularly those derived from plants, harbor biological effects such as anti-inflammation and the inhibition of cancer progression. In the present study, we investigated the effects of 10 kinds of flavonoids isolated from Nepalese propolis on the LPS signaling pathway in order to clarify their anti-inflammatory activities. Five types of flavonoids: isoliquiritigenin, chrysin, 3',4'-dihydroxy-4-methoxydalbergione, 4-methoxydalbergion, and cearoin, markedly inhibited inflammatory responses including LPS-induced NO production by suppressing the expression of iNOS mRNA and LPS-induced mRNA expression of TNFα and CCL2...
October 19, 2016: International Immunopharmacology
I-Ting Tsai, Chao-Ping Wang, Teng-Hung Yu, Yung-Chuan Lu, Chih-Wen Lin, Li-Fen Lu, Cheng-Ching Wu, Fu-Mei Chung, Yau-Jiunn Lee, Wei-Chin Hung, Chia-Chang Hsu
Adipocytokines play an important role in adipose tissue homeostasis, especially in obesity-associated disorders such as non-alcoholic fatty liver and their complications including hepatocellular carcinoma (HCC). Although visfatin is an adipocytokine highly expressed in visceral fat that has been demonstrated to play a critical role in the progression of human malignancies, little is known about the role of visfatin in HCC associated with chronic hepatitis C virus (HCV) and hepatitis B virus (HBV) infection...
October 19, 2016: Cytokine
Xiao Wei Tang, Miao Yu, Wei Wei Duan, Xiang Rong Zhang, Wei Wei Sha, Xiang Wang, Xiao Bin Zhang
Deficit schizophrenia (DS) has been proposed as a pathophysiologically distinct schizophrenia subtype. This study investigated facial emotion recognition deficits and alexithymia in DS and non-deficit schizophrenia patients (NDS) and their relationships with other clinical variables. The Brief Psychiatric Rating Scale (BPRS), Scale for the Assessment of Negative Symptoms (SANS), and Scale for the Assessment of Positive Symptoms (SAPS) were employed to evaluate the psychiatric symptoms in patients with schizophrenia...
September 29, 2016: Psychiatry Research
Rocío Carmona, Cristina Linares, Cristina Ortiz, Blanca Vázquez, Julio Díaz
BACKGROUND: Although the effects of noise on population morbidity and mortality have been observed both in the short and long term, the morbidity and mortality indicators used to date have not enabled information on such health effects to be accessed in real time. At an international level, there are relatively few studies, mostly recent, which have considered an alternative indicator, such as the demand for medical attention provided by emergency services, taking into account environmental factors other than noise...
October 19, 2016: Environmental Research
Bin Wang, Qian Chen, Lixiao Shen, Shasha Zhao, Weiyi Pang, Jun Zhang
Perfluoroalkyl and polyfluoroalkyl substances (PFASs) are commonly used in industrial applications and consumer products, and their potential health impacts are of concern, especially for vulnerable population like fetuses. However, in utero exposure to PFASs and health implications are far from fully characterized in China. To fill in the gap, we analyzed 10 PFASs in cord plasma samples (N=687) collected in Shanghai between 2011 and 2012, one of the regions widely polluted with PFASs in China. A questionnaire survey on maternal and diet-related factors was conducted...
October 19, 2016: Environment International
Philippe Glorennec, Jean-Paul Lucas, Anne-Camille Mercat, Alain-Claude Roudot, Barbara Le Bot
Children are exposed to toxic metals and metalloids via their diet and environment. Our objective was to assess the aggregate chronic exposure of children aged 3-6years, living in France, to As, Cd, Cr, Cu, Mn, Pb, Sb, Sr, and V present in diet, tap water, air, soil and floor dust in the years 2007-2009. Dietary data came from the French Total Diet Study, while concentrations in residential tap water, soil and indoor floor dust came from the 'Plomb-Habitat' nationwide representative survey on children's lead exposure at home...
October 19, 2016: Environment International
Yanjun Liu, Yanting Liu, Hao Li, Xindi Fu, Hanwen Guo, Ruihong Meng, Wenjing Lu, Ming Zhao, Hongtao Wang
Aromatic compounds (ACs) emitted from landfills have attracted a lot of attention of the public due to their adverse impacts on the environment and human health. This study assessed the health risk impacts of the fugitive ACs emitted from the working face of a municipal solid waste (MSW) landfill in China. The emission data was acquired by long-term in-situ samplings using a modified wind tunnel system. The uncertainty of aromatic emissions is determined by means of statistics and the emission factors were thus developed...
October 19, 2016: Environment International
Aaron J Done, Tinna Traustadóttir
The primary aim of this review is to summarize the current literature on the effects of acute exercise and regular exercise on nuclear factor erythroid 2-related factor 2 (Nrf2) activity and downstream targets of Nrf2 signaling. Nrf2 (encoded in humans by the NFE2L2 gene) is the master regulator of antioxidant defenses, a transcription factor that regulates expression of more than 200 cytoprotective genes. Increasing evidence indicates that Nrf2 signaling plays a key role in how oxidative stress mediates the beneficial effects of exercise...
October 14, 2016: Redox Biology
Sineewanlaya Wichit, Pauline Ferraris, Valérie Choumet, Dorothée Missé
Arboviruses such as Dengue, Chikungunya, and Zika viruses represent a major public health problem due to globalization and propagation of susceptible vectors worldwide. Arthropod vector-derived salivary factors have the capacity to modulate human cells function by enhancing or suppressing viral replication and, therefore, modify the establishment of local and systemic viral infection. Here, we discuss how mosquito saliva may interfere with Dengue virus (DENV) infection in humans. Identification of saliva factors that enhance infectivity will allow the production of vector-based vaccines and therapeutics that would interfere with viral transmission by targeting arthropod saliva components...
October 19, 2016: Current Opinion in Virology
Priya Mishra, Updesh Dixit, Ashutosh K Pandey, Alok Upadhyay, Virendra N Pandey
We recently identified a cell-factor, ErbB3 binding protein 1 (Ebp-1), which specifically interacts with the viral RNA genome and modulates HCV replication and translation. Ebp1 has two isoforms, p48, and p42, that result from differential splicing. We found that both isoforms interact with HCV proteins NS5A and NS5B, as well as cell-factor PKR. The p48 isoform, which localizes in the cytoplasm and nuclei, promoted HCV replication, whereas the shorter p42 isoform, which resides exclusively in the cytoplasm, strongly inhibited HCV replication...
October 19, 2016: Virology
Bryan A Johnson, Heather L Aloor, Cary A Moody
Human papillomaviruses (HPV) exhibit constitutive activation of ATM and ATR DNA damage response (DDR) pathways, which are required for productive viral replication. Expression of HPV31 E7 alone is sufficient to activate the DDR through an unknown mechanism. Here, we demonstrate that the E7 Rb binding domain is required to increase levels of many DDR proteins, including ATM, Chk2, Chk1, the MRN components MRE11, Rad50, and NBS1, as well as the homologous recombination repair proteins BRCA1 and Rad51. Interestingly, we have found that the increase in these DNA repair proteins does not occur solely at the level of transcription, but that E7 broadly increases the half-life of these DDR factors, a phenotype that is lost in the E7 Rb binding mutant...
October 19, 2016: Virology
Kelly Adamson, Lois Jackson, Jacqueline Gahagan
A complex array of intersecting social contextual factors are known to influence safer and/or unsafe practices among people who inject drugs. However, less is known about the social contextual factors that may specifically influence injection practices for young people who inject drugs. In this qualitative study, we explored with young people, ages 18-29, living in an urban centre in Nova Scotia, Canada, their perceptions and experiences of the social contextual factors that influence their safer and/or unsafe injection practices...
October 19, 2016: International Journal on Drug Policy
Linda Rothman, Andrew Howard, Ron Buliung, Colin Macarthur, Sarah A Richmond, Alison Macpherson
BACKGROUND: Child pedestrian-motor vehicle collisions (PMVCs) have decreased in Canada in the past 20 years. Many believe this trend is explained by the rise in automobile use for all travel. Initiatives to increase walking to school need to consider PMVC risk. Potential risk factors related to walking to school, the built environment and social factors were examined for schools with historically high child PMVC rates. METHODS: Child PMVCs (age 4-12 years) from 2000 to 2013 and built environment features were mapped within school attendance boundaries in the City of Toronto, Canada...
October 19, 2016: Accident; Analysis and Prevention
Jacob Louie, Amer Shalaby, Khandker Nurul Habib
Most investigations of incident-related delay duration in the transportation context are restricted to highway traffic, with little attention given to delays due to transit service disruptions. Studies of transit-based delay duration are also considerably less comprehensive than their highway counterparts with respect to examining the effects of non-causal variables on the delay duration. However, delays due to incidents in public transit service can have serious consequences on the overall urban transportation system due to the pivotal and vital role of public transit...
October 19, 2016: Accident; Analysis and Prevention
Jie Wang, Helai Huang, Qiang Zeng
OBJECTIVES: This paper aimed to (i) differentiate the effects of contributory factors on crash risks related to different transportation modes, i.e., motor vehicle, bicycle and pedestrian; (ii) explore the potential contribution of zone-level factors which are traditionally excluded or omitted, so as to track the source of heterogeneous effects of certain risk factors in crash-frequency models by different modes. METHODS: Two analytical methods, i.e. negative binomial models (NB) and random parameters negative binomial models (RPNB), were employed to relate crash frequencies of different transportation modes to a variety of risk factors at intersections...
October 19, 2016: Accident; Analysis and Prevention
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