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https://www.readbyqxmd.com/read/28437885/sesquiterpenes-evaluation-on-schistosoma-mansoni-survival-excretory-system-and-membrane-integrity
#1
Rosimeire Nunes de Oliveira, Karina Rodrigues Dos Santos, Tiago Manuel Fernandes Mendes, Vera Lúcia Garcia, Adriana Silva Santos Oliveira, Veronica de Lourdes Sierpe Jeraldo, Silmara Marques Allegretti
The main challenge in schistosomiasis control has been the emergence of drug-resistant parasites. Since the 1970's, praziquantel (PZQ) is the single drug for treatment. This fact highlights the importance to research news chemotherapeutic agents. In the last years, S. mansoni excretory system and tegument have been major targets for drug development. The purpose of this study was to evaluate the effect of sesquiterpenes, alpha-humulene and trans-caryophyllene on S. mansoni survival, excretory system and membrane integrity, after in vitro exposure...
April 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437870/assessing-the-likelihood-and-magnitude-of-a-population-health-benefit-following-the-market-introduction-of-a-modified-risk-tobacco-product-enhancements-to-the-dynamic-population-modeler-dpm-1
#2
Annette M Bachand, Sandra I Sulsky, Geoffrey M Curtin
Researchers and those responsible for evaluating and implementing policies intended to reduce population harm must assess the potential for both intended and unintended consequences associated with those policies. Such assessments should be based on the combined dimensions of magnitude, and thus likelihood, of shifts in exposure patterns needed to produce a population benefit or harm, and magnitude of the expected population benefit or harm. In response to this assessment need, we provide a conceptual description of the dynamic population modeler, DPM(+1), as well as illustrative analyses that estimate the effects on all-cause mortality, life expectancy, and quality of life-adjusted life expectancy if exposure patterns in the population shift from a higher risk product (e...
April 24, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28437868/early-mortality-and-overall-survival-of-acute-myeloid-leukemia-based-on-facility-type
#3
Vijaya R Bhatt, Valerie Shostrom, Smith Giri, Krishna Gundabolu, K M Monirul Islam, Frederick R Appelbaum, Lori J Maness
Cancer health disparities may exist based on the facility type. We aimed to determine the association between the academic status of centers and outcomes of patients with acute myeloid leukemia (AML). Using the National Cancer Data Base, we compared one-month mortality and longer-term overall survival (OS) of 60,738 patients with AML, who received first course treatment between 2003-2011 at academic or non-academic centers (community cancer program, comprehensive community cancer program, and others). Multivariate analysis was done using logistic regression for one-month mortality and Cox regression with backward elimination approach for OS...
April 24, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28437844/liver-resection-for-hepatocellular-carcinoma-associated-with-hepatic-vein-invasion-a-japanese-nationwide-survey
#4
Takashi Kokudo, Kiyoshi Hasegawa, Yutaka Matsuyama, Tadatoshi Takayama, Namiki Izumi, Masumi Kadoya, Masatoshi Kudo, Shoji Kubo, Michiie Sakamoto, Osamu Nakashima, Takashi Kumada, Norihiro Kokudo
Because of the rarity of hepatic vein tumor thrombus (HVTT), compared with portal vein tumor thrombus (PVTT), in patients with hepatocellular carcinoma (HCC), little is known about this disease entity. The aim of this study was to evaluate the prognosis of each treatment modality for HVTT through an analysis of data collected in a Japanese nationwide survey. We analyzed data for 1,021 Child-Pugh A HCC patients with HVTT without inferior vena cava invasion registered between 2000 and 2007. Of these patients, 540 patients who underwent liver resection (LR) and 481 patients who received other treatments were compared...
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28437843/a-bayesian-belief-network-model-assessing-the-risk-to-wastewater-workers-of-contracting-ebola-virus-disease-during-an-outbreak
#5
Joseph W Zabinski, Kelsey J Pieper, Jacqueline MacDonald Gibson
During an outbreak of Ebola virus disease (EVD), hospitals' connections to municipal wastewater systems may provide a path for patient waste bearing infectious viral particles to pass from the hospital into the wastewater treatment system, potentially posing risks to sewer and wastewater workers. To quantify these risks, we developed a Bayesian belief network model incorporating data on virus behavior and survival along with structural characteristics of hospitals and wastewater treatment systems. We applied the model to assess risks under several different scenarios of workers' exposure to wastewater for a wastewater system typical of a mid-sized U...
April 24, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28437838/prognostic-relevance-of-mir-124-3p-and-its-target-tp53inp1-in-pediatric-ependymoma
#6
Yulia Margolin-Miller, Natalia Yanichkin, Keren Shichrur, Helen Toledano, Anat Ohali, Theophilos Tzaridis, Shalom Michowitz, Suzana Fichman-Horn, Meora Feinmesser, Stefan M Pfister, Hendrik Witt, Uri Tabori, Eric Bouffet, Vijay Ramaswamy, Cynthia Hawkins, Michael D Taylor, Isaac Yaniv, Smadar Avigad
Ependymoma is a malignant pediatric brain tumor, often incurable under the current treatment regimen. We aimed to evaluate the expression of microRNAs (miRs) in pediatric ependymoma tumors in an attempt to identify prognostic molecular markers which would lead to potential therapeutic targets. Following miR-array expression analysis, we focused on 9 miRs that correlated with relapse which were further validated by quantitative real time PCR (qRT-PCR) in a cohort of 67 patients. Western blotting and immunohistochemistry were used to measure target protein expression in 20 and 34 tumor samples, respectively...
April 24, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28437835/pten-downregulation-promotes-%C3%AE-oxidation-to-fuel-hypertrophic-liver-growth-after-hepatectomy-in-mice
#7
Ekaterina Kachaylo, Christoph Tschuor, Nicolas Calo, Nathalie Borgeaud, Perparim Limani, Anne-Christine Piguet, Jean-Francois Dufour, Michelangelo Foti, Rolf Graf, Pierre A Clavien, Bostjan Humar
In regenerating liver, hepatocytes accumulate lipids before the major wave of parenchymal growth. This transient, regeneration-associated steatosis (TRAS) is required for liver recovery, but its purpose is unclear. The tumor suppressor PTEN is a key inhibitor of the AKT-mTOR axis that regulates growth and metabolic adaptations after hepatectomy. In quiescent liver, PTEN causes pathological steatosis when lost, while its role in regenerating liver remains unknown. Here, we show that PTEN downregulation promotes liver growth in a TRAS-dependent way...
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28437804/-prognostic-factors-of-open-abdomen-treatment-in-visceral-surgery
#8
Martin W von Websky, Agnes Jedig, Arnulf Willms, Azin Jafari, Hanno Matthaei, Jörg C Kalff, Steffen Manekeller
Introduction In general surgery, open abdomen treatment (OAT) is used to treat abdominal compartment syndrome (ACS) and sepsis, often after a primary surgical procedure associated with complications. The results achieved in this patient population may depend on factors that are yet unknown. This study evaluates independent patient-related prognostic factors after OAT. Methods 38 clinical parameters and survival data of 165 consecutive general surgery patients after OAT were entered into a prospective database according to a defined algorithm in order to analyse the underlying surgical pathology, predictors of survival and important aspects of OAT-related morbidity...
April 24, 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28437768/glomeromycota-communities-survive-extreme-levels-of-metal-toxicity-in-an-orphan-mining-site
#9
I Sánchez-Castro, V Gianinazzi-Pearson, J C Cleyet-Marel, E Baudoin, D van Tuinen
Abandoned tailing basins and waste heaps of orphan mining sites are of great concern since extreme metal contamination makes soil improper for any human activity and is a permanent threat for nearby surroundings. Although spontaneous revegetation can occur, the process is slow or unsuccessful and rhizostabilisation strategies to reduce dispersal of contaminated dust represent an option to rehabilitate such sites. This requires selection of plants tolerant to such conditions, and optimization of their fitness and growth...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437763/depression-and-insomnia-as-mediators-of-the-relationship-between-distress-and-quality-of-life-in-cancer-patients
#10
Kyeong Min Cha, Young Ki Chung, Ki Young Lim, Jae Sung Noh, Mison Chun, So Yeon Hyun, Dae Ryong Kang, Min Jung Oh, Nam Hee Kim
BACKGROUND: Distress in cancer patients leads to poorer quality of life (QOL) and negatively impacts survival. For efficient management of a patient's disease course, the interrelationships among distress, depression, insomnia, and QOL must be understood. This study aimed to investigate whether depression and insomnia mediate the relationship between distress and QOL in cancer patients. METHODS: Cancer patients referred to a specialized psycho-oncology clinic (n=208) participated in this study...
April 17, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28437726/mercury-correlates-with-altered-corticosterone-but-not-testosterone-or-estradiol-concentrations-in-common-loons
#11
Melinda D Franceschini, David C Evers, Kevin P Kenow, Michael W Meyer, Mark Pokras, L Michael Romero
We investigated the relation between environmental mercury exposure and corticosterone concentrations in free-living adult common loons (Gavia immer). We determined blood and feather mercury concentrations and compared them to testosterone, estradiol, and stress-induced plasma corticosterone concentrations. Although neither testosterone nor estradiol correlated with Hg levels, there was a robust positive relation between blood Hg and stress-induced corticosterone concentrations in males, but not in females...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437717/traumatic-axonal-injury-a-clinical-pathological-correlation
#12
N Davceva, A Sivevski
Traumatic axonal injury (TAI) is a distinct clinicopathological entity that can cause serious impairment of the brain function and can sometimes be found as a concrete cause of death. It has been discussed from the perspective of its biomechanical importance, and also from the standpoint of certain criteria for the pathological diagnosis of TAI. However, since the time when DAI (diffuse axonal injury) was initially described, there have been few, if any, discussions about the clinical-pathological correlation in TAI...
April 14, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28437680/how-durable-is-the-effect-of-low-intensity-cbt-for-depression-and-anxiety-remission-and-relapse-in-a-longitudinal-cohort-study
#13
Shehzad Ali, Laura Rhodes, Omar Moreea, Dean McMillan, Simon Gilbody, Chris Leach, Mike Lucock, Wolfgang Lutz, Jaime Delgadillo
BACKGROUND: Depression and anxiety disorders are relapse-prone conditions, even after successful treatment with pharmacotherapy or psychotherapy. Cognitive behavioural therapy (CBT) is known to prevent relapse, but there is little evidence of the durability of remission after low intensity forms of CBT (LiCBT). METHOD: This study aimed to examine relapse rates 12 months after completing routinely-delivered LiCBT. A cohort of 439 LiCBT completers with remission of symptoms provided monthly depression (PHQ-9) and anxiety (GAD-7) measures during 12 months after treatment...
April 18, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28437678/efficacy-safety-tolerability-and-price-of-newly-approved-drugs-in-solid-tumors
#14
REVIEW
Tristan A Barnes, Eitan Amir, Arnoud J Templeton, Susana Gomez-Garcia, Beatriz Navarro, Bostjan Seruga, Alberto Ocana
BACKGROUND: New anti-cancer drugs utilize diverse mechanisms of action. Here we evaluate their differential efficacy, safety, tolerability and price. METHODS: Drugs approved for solid tumor treatment between 2000 and 2015 were identified and analyzed in subgroups: agents targeting oncogenes (group 1), anti-angiogenics (group 2), immunotherapy (group 3), and chemotherapy (group 4). Hazard ratios (HRs) were extracted from the registration trials and pooled in a meta-analysis...
April 9, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28437657/toxicity-and-bioaccumulation-of-three-hexabromocyclododecane-diastereoisomers-in-the-marine-copepod-tigriopus-japonicas
#15
Haizheng Hong, Dongmei Lv, Wanxin Liu, Lingming Huang, Leyun Chen, Rong Shen, Dalin Shi
The three major hexabromocyclododecane (HBCD) diastereoisomers, i.e. α-, β- and γ-HBCD, have distinct physical and chemical properties that may potentially result in different levels of bioaccumulation and toxicity in aquatic organisms. To assess the impact of diastereomeric variation in HBCDs, the marine copepod Tigriopus japonicus was exposed to α-, β- and γ-HBCD in isolation. Results showed that all the three diastereoisomers had a similar potency to cause growth delay in T. japonicas. Variation was observed in the overall survival rate with exposure to α- and β-HBCD, and this resulted in significantly higher lethal toxicity in T...
April 18, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28437625/imaging-guided-synergetic-therapy-of-orthotopic-transplantation-tumor-by-superselectively-arterial-administration-of-microwave-induced-microcapsules
#16
Shunsong Tang, Changhui Fu, Longfei Tan, Tianlong Liu, Jingsong Mao, Xiangling Ren, Hongying Su, Dan Long, Qianqian Chai, Zhongbing Huang, Xudong Chen, Jingzhuo Wang, Jun Ren, Xianwei Meng
It is an ambitious target to improve overall Hepatocellular Carcinoma therapeutic effects. Recently, MW ablation has emerged as a powerful thermal ablation technique, affording favorable survival with excellent local tumor control. To achieve better therapeutic effects of MW ablation, MW sensitizers are prepared for enhanced MW ablation to preferentially heat tumor territory. However, it is still not practicable for treatment of the orthotopic transplantation tumor. Herein, biocompatible and degradable methoxy poly(ethylene glycol)-poly(lactic-co-glycolic acid) (mPEG-PLGA) microcapsules with hierarchical structure have been designed for microwave-induced tumor therapy...
April 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#17
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437598/the-potential-implications-of-using-disability-free-survival-and-number-needed-to-suffer-as-outcome-measures-for-neonatal-intensive-care
#18
Per-Arne Lönnqvist
The use of mortality and surrogate makers to determine outcomes after advanced medical treatment has been questioned, because often these dimensions do not agree with what both many medical staff and laypeople judge as adequate outcome measures. That is why Myles et al introduced the more adequate dimension of disability free survival (1-3). Furthermore, the suffering of other patients that is associated with one single individual having a good outcome has been discussed and the suggested term for this is the number needed to suffer (4), which reflects the similar terms of number needed to treat and number needed to harm...
April 24, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28437596/membrane-transport-status-does-not-predict-peritonitis-risk-in-patients-on-peritoneal-dialysis
#19
Sarah So, Laraine Aw, Kamal Sud, Vincent W Lee
AIM: To determine whether peritoneal membrane transport status (MTS) is associated with peritonitis or poor peritoneal dialysis (PD)-related outcomes. METHODS: This retrospective cohort study analysed data of incident adult patients on PD in Western Sydney between October 1, 2003 and December 31, 2012. Only patients who underwent peritoneal equilibration and adequacy tests within 6 months of commencement were included. Kaplan-Meier survival curves for time until first peritonitis and time until composite endpoint of peritonitis, death, or technique failure, censored for transplant, were constructed...
April 24, 2017: Nephrology
https://www.readbyqxmd.com/read/28437593/tabula-rasa-in-the-patagonian-channels-the-phylogeography-of-oreobolus-obtusangulus-cyperaceae
#20
Simon Pfanzelt, Dirk C Albach, Klaus Bernhard von Hagen
The extent of the Pleistocene glaciations in the Patagonian Channel region (southwesternmost South America) and their impact on the vegetation there is largely unknown. Whether the regional flora was wiped out completely (tabula rasa) or survived in ice-free pockets (in situ survival) is still an open question. The molecular imprint of either scenario should still be visible in extant populations. Therefore, DNA sequence data of Oreobolus obtusangulus Gaudich. (Cyperaceae) were analyzed. This species is an abundant constitutent of Patagonian cushion peat bogs, one of the Patagonian Channel region's major vegetation types...
April 24, 2017: Molecular Ecology
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