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Adverse outcome pathway

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https://www.readbyqxmd.com/read/28230176/antithrombotic-therapy-for-patients-with-stemi-undergoing-primary-pci
#1
REVIEW
Francesco Franchi, Fabiana Rollini, Dominick J Angiolillo
Antithrombotic therapy, including antiplatelet and anticoagulant agents, is the cornerstone of pharmacological treatment to optimize clinical outcomes in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PPCI). Intravenous anticoagulant drugs available for PPCI include the indirect thrombin inhibitors unfractionated heparin and low-molecular-weight heparin, and the direct thrombin inhibitor bivalirudin. Intravenous antiplatelet drugs mainly include glycoprotein IIb/IIIa inhibitors and the P2Y12-receptor inhibitor cangrelor...
February 23, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28220490/biological-embedding-of-perinatal-social-relationships-in-infant-stress-reactivity
#2
Jenna C Thomas, Nicole Letourneau, Crystal I Bryce, Tavis S Campbell, Gerald F Giesbrecht
Whereas significant advances have been made in understanding how exposure to early adversity "gets under the skin" of children to result in long term changes in developmental outcomes, the processes by which positive social relationships become biologically embedded remain poorly understood. The aim of this study was to understand the pathways by which maternal and infant social environments become biologically embedded in infant cortisol reactivity. Two hundred seventy-two pregnant women and their infants were prospectively assessed during pregnancy and at 6 months postpartum...
February 21, 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28201806/derivation-and-evaluation-of-putative-adverse-outcome-pathways-for-the-effects-of-cyclooxygenase-inhibitors-on-reproductive-processes-in-female-fish
#3
Dalma Martinović-Weigelt, Alvine C Mehinto, Gerald T Ankley, Jason P Berninger, Timothy W Collette, John M Davis, Nancy D Denslow, Elizabeth J Durhan, Evan Eid, Drew R Ekman, Kathleen M Jensen, Mike D Kahl, Carlie A LaLone, Quincy Teng, Daniel L Villeneuve
No abstract text is available yet for this article.
February 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28199415/temperament-in-infancy-and-behavioral-and-emotional-problems-at-age-5-5-the-eden-mother-child-cohort
#4
Xian Abulizi, Laura Pryor, Grégory Michel, Maria Melchior, Judith van der Waerden
OBJECTIVE: Early temperamental characteristics may influence children's developmental pathways and predict future psychopathology. However, the environmental context may also shape or interact with infant temperament and indirectly contribute to increased vulnerability to adverse developmental outcomes. The aim of the present study is to explore the long-term contribution of temperamental traits at twelve months of age to the presence of emotional and behavioral problems later in childhood, and whether this association varies with the child's sex, parental separation, family socioeconomic status and maternal depression...
2017: PloS One
https://www.readbyqxmd.com/read/28198554/practical-approaches-to-adverse-outcome-pathway-aop-development-and-weight-of-evidence-evaluation-as-illustrated-by-ecotoxicological-case-studies
#5
REVIEW
Kellie A Fay, Daniel L Villeneuve, Carlie A LaLone, You Song, Knut Erik Tollefsen, Gerald T Ankley
Adverse Outcome Pathways (AOPs) describe toxicant effects as a sequential chain of causally linked events beginning with a molecular perturbation and culminating in an adverse outcome at an individual or population level. Strategies for developing AOPs are still evolving and depend largely on the intended use or motivation for development and data availability. Four ecotoxicological AOP case studies, developed for different purposes, are described herein. In each situation, creation of the AOP began in a manner determined by the initial motivation for its creation, and expanded either to include additional components of the pathway, or to address the domains of applicability in terms of chemical initiators, susceptible species, life stages, etc...
February 15, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28195425/carbon-nanotubes-disrupt-iron-homeostasis-and-induce-anemia-of-inflammation-through-inflammatory-pathway-as-a-secondary-effect-distant-to-their-portal-of-entry
#6
Juan Ma, Ruibin Li, Yin Liu, Guangbo Qu, Jing Liu, Wenli Guo, Haoyang Song, Xinghong Li, Yajun Liu, Tian Xia, Bing Yan, Sijin Liu
Although numerous toxicological studies have been performed on carbon nanotubes (CNTs), a few studies have investigated their secondary and indirect effects beyond the primary target tissues/organs. Here, a cascade of events are investigated: the initiating event and the subsequent key events necessary for the development of phenotypes, namely CNT-induced pro-inflammatory effects on iron homeostasis and red blood cell formation, which are linked to anemia of inflammation (AI). A panel of CNTs are prepared including pristine multiwall CNTs (P-MWCNTs), aminated MWCNTs (MWCNTs-NH2 ), polyethylene glycol MWCNTs (MWCNTs-PEG), polyethyleneimine MWCNTs (MWCNTs-PEI), and carboxylated MWCNTs (MWCNTs-COOH)...
February 13, 2017: Small
https://www.readbyqxmd.com/read/28195242/the-alternative-complement-pathway-is-dysregulated-in-patients-with-chronic-heart-failure
#7
Negar Shahini, Annika E Michelsen, Per H Nilsson, Karin Ekholt, Lars Gullestad, Kaspar Broch, Christen P Dahl, Pål Aukrust, Thor Ueland, Tom Eirik Mollnes, Arne Yndestad, Mieke C Louwe
The complement system, an important arm of the innate immune system, is activated in heart failure (HF). We hypothesized that HF patients are characterized by an imbalance of alternative amplification loop components; including properdin and complement factor D and the alternative pathway inhibitor factor H. These components and the activation product, terminal complement complex (TCC), were measured in plasma from 188 HF patients and 67 age- and sex- matched healthy controls by enzyme immunoassay. Our main findings were: (i) Compared to controls, patients with HF had significantly increased levels of factor D and TCC, and decreased levels of properdin, particularly patients with advanced clinical disorder (i...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194409/a-variant-in-cox-2-gene-is-associated-with-left-main-coronary-artery-disease-and-clinical-outcomes-of-coronary-artery-bypass-grafting
#8
Hanning Liu, Zhengxi Xu, Cheng Sun, Dachuan Gu, Xiao Teng, Yan Zhao, Zhe Zheng
As a particular severe phenotype of coronary artery disease (CAD), left main coronary artery disease (LMCAD) is heritable. Genetic variants related to prostaglandin metabolism are associated with LMCAD. Cyclooxygenase-2 (COX-2), a key synthase in prostaglandin pathways, displays high density in atherosclerotic lesions and promotes early atherosclerosis in CAD progression. We hypothesized that genetic variants in COX-2 gene contribute to LMCAD phenotype susceptibility compared to more peripheral coronary artery disease (MPCAD)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28194231/skinsensdb-a-curated-database-for-skin-sensitization-assays
#9
Chia-Chi Wang, Ying-Chi Lin, Shan-Shan Wang, Chieh Shih, Yi-Hui Lin, Chun-Wei Tung
Skin sensitization is an important toxicological endpoint for chemical hazard determination and safety assessment. Prediction of chemical skin sensitizer had traditionally relied on data from rodent models. The development of the adverse outcome pathway (AOP) and associated alternative in vitro assays have reshaped the assessment of skin sensitizers. The integration of multiple assays as key events in the AOP has been shown to have improved prediction performance. Current computational models to predict skin sensitization mainly based on in vivo assays without incorporating alternative in vitro assays...
2017: Journal of Cheminformatics
https://www.readbyqxmd.com/read/28193563/calcium-oxidative-stress-and-connexin-channels-a-harmonious-orchestra-directing-the-response-to-radiotherapy-treatment
#10
REVIEW
Elke Decrock, Delphine Hoorelbeke, Raghda Ramadan, Tinneke Delvaeye, Marijke De Bock, Nan Wang, Dmitri V Krysko, Sarah Baatout, Geert Bultynck, An Aerts, Mathieu Vinken, Luc Leybaert
Although radiotherapy is commonly used to treat cancer, its beneficial outcome is frequently hampered by the radiation resistance of tumor cells and adverse reactions in normal tissues. Mechanisms of cell-to-cell communication and how intercellular signals are translated into cellular responses, have become topics of intense investigation, particularly within the field of radiobiology. A substantial amount of evidence is available demonstrating that both gap junctional and paracrine communication pathways can propagate radiation-induced biological effects at the intercellular level, commonly referred to as radiation-induced bystander effects (RIBE)...
February 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28193557/birds-and-flame-retardants-a-review-of-the-toxic-effects-on-birds-of-historical-and-novel-flame-retardants
#11
REVIEW
Mélanie F Guigueno, Kim J Fernie
Flame retardants (FRs) are a diverse group of chemicals, many of which persist in the environment and bioaccumulate in biota. Although some FRs have been withdrawn from manufacturing and commerce (e.g., legacy FRs), many continue to be detected in the environment; moreover, their replacements and/or other novel FRs are also detected in biota. Here, we review and summarize the literature on the toxic effects of various FRs on birds. Birds integrate chemical information (exposure, effects) across space and time, making them ideal sentinels of environmental contamination...
February 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28192477/impact-of-early-in-hospital-medication-review-by-clinical-pharmacists-on-health-services-utilization
#12
Corinne M Hohl, Nilu Partovi, Isabella Ghement, Maeve E Wickham, Kimberlyn McGrail, Lisa N Reddekopp, Boris Sobolev
BACKGROUND: Adverse drug events are a leading cause of emergency department visits and unplanned admissions, and prolong hospital stays. Medication review interventions aim to identify adverse drug events and optimize medication use. Previous evaluations of in-hospital medication reviews have focused on interventions at discharge, with an unclear effect on health outcomes. We assessed the effect of early in-hospital pharmacist-led medication review on the health outcomes of high-risk patients...
2017: PloS One
https://www.readbyqxmd.com/read/28192452/increased-risk-of-dementia-in-patients-hospitalized-with-acute-kidney-injury-a-nationwide-population-based-cohort-study
#13
Hsin-Hsi Tsai, Ruoh-Fang Yen, Cheng-Li Lin, Chia-Hung Kao
PURPOSE: To determine whether acute kidney injury (AKI) is a risk factor for dementia. METHODS: This nationwide population-based cohort study was based on data from the Taiwan National Health Insurance Research Database for 2000-2011. The incidence and relative risk of dementia were assessed in 207788 patients hospitalized for AKI. The comparison control was selected using the propensity score based on age, sex, index year and comorbidities. RESULTS: During the 12-year follow-up, patients with AKI had a significantly higher incidence for developing dementia than did the controls (8...
2017: PloS One
https://www.readbyqxmd.com/read/28183331/phase-ii-randomized-placebo-controlled-study-of-dovitinib-in-combination-with-fulvestrant-in-postmenopausal-patients-with-hr-her2-breast-cancer-that-had-progressed-during-or-after-prior-endocrine-therapy
#14
Antonino Musolino, Mario Campone, Patrick Neven, Neelima Denduluri, Carlos H Barrios, Javier Cortes, Kimberly Blackwell, Hatem Soliman, Zsuzsanna Kahan, Hervé Bonnefoi, Matthew Squires, Yong Zhang, Stephanie Deudon, Michael M Shi, Fabrice André
BACKGROUND: Overexpression of fibroblast growth factor receptor 1 (FGFR1), found in ≤8% of hormone receptor-positive (HR(+)), human epidermal growth factor receptor 2-negative (HER2(-)) breast cancer cases, is correlated with decreased overall survival and resistance to endocrine therapy (ET). Dovitinib, a potent FGFR inhibitor, has demonstrated antitumor activity in heavily pretreated patients with FGFR pathway-amplified breast cancer. METHODS: In this randomized, placebo-controlled phase II trial, we evaluated whether the addition of dovitinib to fulvestrant would improve outcomes in postmenopausal patients with HR(+), HER2(-) advanced breast cancer that had progressed during or after prior ET...
February 10, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28178207/impact-of-cannabis-use-on-treatment-outcomes-among-adults-receiving-cognitive-behavioral-treatment-for-ptsd-and-substance-use-disorders
#15
Lesia M Ruglass, Alina Shevorykin, Vanja Radoncic, Kathryn M Z Smith, Philip H Smith, Isaac R Galatzer-Levy, Santiago Papini, Denise A Hien
BACKGROUND: Research has demonstrated a strong link between trauma, posttraumatic stress disorder PTSD and substance use disorders (SUDs) in general and cannabis use disorders in particular. Yet, few studies have examined the impact of cannabis use on treatment outcomes for individuals with co-occurring PTSD and SUDs. METHODS: Participants were 136 individuals who received cognitive-behavioral therapies for co-occurring PTSD and SUD. Multivariate regressions were utilized to examine the associations between baseline cannabis use and end-of-treatment outcomes...
February 7, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28178023/risk-factors-for-acute-care-hospital-readmission-in-older-persons-in-western-countries-a-systematic-review
#16
Mona Kyndi Pedersen, Gabriele Meyer, Lisbeth Uhrenfeldt
BACKGROUND: Hospital readmission in older persons is common and reported as a post-discharge adverse outcome from hospitalization. Readmission relates to a mix of factors associated with increasing age, living conditions, progression of disease as well as factors related to the processes of care. To allow health professionals to focus more intensively on patients at risk of readmission, there is a need to identify the characteristics of those patients. OBJECTIVES: To identify and synthesize the best available evidence on risk factors for acute care hospital readmission within one month of discharge in older persons in Western countries...
February 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28177994/bilateral-posterior-tibial-nerve-stimulation-in-the-treatment-of-rectal-evacuation-disorder-a-preliminary-report
#17
Khaled M Madbouly, Khaled S Abbas, Emad Emanuel
BACKGROUND: Posterior tibial nerve stimulation influences both motor and sensory pathways, as well as the central nervous system. Stimulation of posterior tibial nerve roots (L4 to S3) could improve stool evacuation through S3 and/or S2 stimulation. OBJECTIVE: This study aimed to assess the efficiency of bilateral posterior tibial nerve stimulation in the treatment of rectal evacuation disorder without anatomic obstruction. DESIGN: This was a prospective case series studying the treatment of patients with obstructed defecation by posterior tibial nerve stimulation...
March 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28177873/prognostic-mutations-in-myelodysplastic-syndrome-after-stem-cell-transplantation
#18
R Coleman Lindsley, Wael Saber, Brenton G Mar, Robert Redd, Tao Wang, Michael D Haagenson, Peter V Grauman, Zhen-Huan Hu, Stephen R Spellman, Stephanie J Lee, Michael R Verneris, Katharine Hsu, Katharina Fleischhauer, Corey Cutler, Joseph H Antin, Donna Neuberg, Benjamin L Ebert
Background Genetic mutations drive the pathogenesis of the myelodysplastic syndrome (MDS) and are closely associated with clinical phenotype. Therefore, genetic mutations may predict clinical outcomes after allogeneic hematopoietic stem-cell transplantation. Methods We performed targeted mutational analysis on samples obtained before transplantation from 1514 patients with MDS who were enrolled in the Center for International Blood and Marrow Transplant Research Repository between 2005 and 2014. We evaluated the association of mutations with transplantation outcomes, including overall survival, relapse, and death without relapse...
9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28176479/long-term-remission-with-eculizumab-in-atypical-haemolytic-uraemic-syndrome
#19
REVIEW
Simon Carter, Ian Hewitt, Joshua Kausman
The understanding of the role of complement dysregulation in atypical haemolytic uraemic syndrome (aHUS) has led to major changes in therapeutic approaches and outcomes. Eculizumab is a humanized anti-C5 monoclonal antibody that inhibits the terminal complement pathway and has revolutionized the treatment and prognosis of aHUS. However, published reports to date have had relatively short-term follow-up. We report two paediatric cases of aHUS successfully treated with eculizumab longer than 6 years with no serious adverse events and preservation of renal function...
February 2017: Nephrology
https://www.readbyqxmd.com/read/28160759/five-herbs-plus-thiamine-reduce-pain-and-improve-functional-mobility-in-patients-with-pain-a-pilot-study
#20
Robert Hedaya
: Context • Five herbs-Urtica dioica (stinging nettle), Boswellia serrata, Equisetum arvense, Allium sativum, and Apium graveolens-have been demonstrated to have activity at several anti-inflammatory pathways and have analgesic properties that are effective in treating chronic musculoskeletal pain. Objectives • The study intended to evaluate the clinical efficacy of a proprietary blend of U dioica, B serrata, E arvense, A sativum, A graveolens, and thiamine (vitamin B1), or "the blend," in the treatment of chronic musculoskeletal pain...
January 2017: Alternative Therapies in Health and Medicine
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