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https://www.readbyqxmd.com/read/29224235/long-term-cardiovascular-re-programming-by-short-term-perinatal-exposure-to-nicotine-s-main-metabolite-cotinine
#1
Stefano Bastianini, Viviana Lo Martire, Alessandro Silvani, Giovanna Zoccoli, Chiara Berteotti, Hugo Lagercrantz, Anders Arner, Gary Cohen
AIM: Gather "proof-of-concept" evidence of the adverse developmental potential of cotinine (a seemingly benign biomarker of recent nicotine / tobacco smoke exposure). METHODS: Pregnant C57 mice drank nicotine or cotinine-laced water for 6wks from conception (NPRE = 2% saccharin+100μg nicotine/ml; CPRE = 2% saccharin + 10μg cotinine/ml) or 3wks after birth (CPOST = 2% saccharin + 30μg cotinine/ml). Controls drank 2% saccharin (CTRL). At 17±1weeks (male pups; CTRL n=6; CPOST n=6; CPRE n=8; NPRE n=9) we assessed (i) cardiovascular control during sleep; (ii) arterial reactivity ex vivo; (iii) expression of genes involved in arterial constriction / dilation...
December 9, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29224224/healthy-and-ready-to-learn-effects-of-a-school-based-public-health-insurance-outreach-program-for-kindergarten-aged-children
#2
Jade Marcus Jenkins
BACKGROUND: Rates of child insurance coverage have increased due to expansions in public programs, but many eligible children remain uninsured. Uninsured children are less likely to receive preventative care, which leads to poorer health and achievement in the long term. This study is an evaluation of a school-based health insurance outreach initiative, "Healthy and Ready to Learn," aiming to identify and enroll uninsured kindergarteners in areas of high economic need in 16 counties in North Carolina...
January 2018: Journal of School Health
https://www.readbyqxmd.com/read/29223955/high-density-lipoprotein-cholesterol-concentration-and-acute-kidney-injury-after-cardiac-surgery
#3
Loren E Smith, Derek K Smith, Jeffrey D Blume, MacRae F Linton, Frederic T Billings
BACKGROUND: Acute kidney injury (AKI) after cardiac surgery is associated with increased short- and long-term mortality. Inflammation, oxidative stress, and endothelial dysfunction and damage play important roles in the development of AKI. High-density lipoproteins (HDLs) have anti-inflammatory and antioxidant properties and improve endothelial function and repair. Statins enhance HDL's anti-inflammatory and antioxidant capacities. We hypothesized that a higher preoperative HDL cholesterol concentration is associated with decreased AKI after cardiac surgery and that perioperative statin exposure potentiates this association...
December 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29223807/design-synthesis-and-biological-evaluation-of-deuterated-phenylpropionic-acid-derivatives-as-potent-and-long-acting-free-fatty-acid-receptor-1-agonists
#4
Zheng Li, Chunxia Liu, Xue Xu, Wei Shi, Huilan Li, Yuxuan Dai, Xingguang Cai, Wenlong Huang, Hai Qian
The free fatty acid receptor 1 (FFA1) is a potential target due to its function in enhancement of glucose-stimulated insulin secretion. Takeda's compound 1 has robustly in vitro activity for FFA1, but it has been suffered from poor pharmacokinetic (PK) profiles because the phenylpropanoic acid is vulnerable to β-oxidation. To identify orally available agonists, we tried to interdict the metabolically labile group by incorporating two deuterium atoms at the α-position of phenylpropionic acid. Interestingly, the differences of physicochemical properties between hydrogen and deuterium are quite small, but there are many differences in the structure-activity relationship between phenylpropionic acid series and present deuterated series...
December 5, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29223596/presence-and-persistence-of-the-amnesic-shellfish-poisoning-toxin-domoic-acid-in-octopus-and-cuttlefish-brains
#5
Vanessa M Lopes, Rui Rosa, Pedro R Costa
Domoic acid (DA) is a neurotoxin that causes degenerative damage to brain cells and induces permanent short-term memory loss in mammals. In cephalopod mollusks, although DA is known to accumulate primarily in the digestive gland, there is no knowledge whether DA reaches their central nervous system. Here we report, for the first time, the presence of DA in brain tissue of the common octopus (Octopus vulgaris) and the European cuttlefish (Sepia officinalis), and its absence in the brains of several squid species (Loligo vulgaris, L...
December 5, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29223574/evaluation-of-the-effects-of-antiepileptic-drugs-on-folic-acid-uptake-by-human-placental-choriocarcinoma-cells
#6
Yuko Kurosawa, Ayako Furugen, Ayako Nishimura, Katsuya Narumi, Masaki Kobayashi, Ken Iseki
Folate status during pregnancy is important for fetal development and health. The placenta plays an important role in supplying the fetus with folate. Most women with epilepsy continue their medication during pregnancy. In the present study, we aimed to evaluate the effects of 16 antiepileptic drugs, clinically used for treatment of epilepsy, on folic acid uptake in two in vitro placental models, BeWo and JEG-3 cells. Short-term exposure to antiepileptic drugs had no effects on [3H]-folic acid uptake by BeWo cells...
December 6, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29223121/from-information-to-participation-and-self-organization-visions-for-european-river-basin-management
#7
Johannes Euler, Sonja Heldt
The European Union Water Framework Directive (EU WFD, 2000) calls for active inclusion of the public in the governance of waterbodies to enhance the effectiveness and legitimacy of water management schemes across the EU. As complex socio-ecological systems, river basins in western Europe could benefit from further support for inclusive management schemes. This paper makes use of case studies from Germany, England and Spain to explore the potential opportunities and challenges of different participatory management approaches...
December 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29223087/oxidative-stress-in-birds-along-a-nox-and-urbanisation-gradient-an-interspecific-approach
#8
Pablo Salmón, Emilie Stroh, Amparo Herrera-Dueñas, Maria von Post, Caroline Isaksson
Urbanisation is regarded as one of the most threatening global issues for wildlife, however, measuring its impact is not always straight forward. Oxidative stress physiology has been suggested to be a useful biomarker of health and therefore, a potentially important indicator of the impact that urban environmental stressors, especially air pollution, can have on wildlife. For example, nitrogen oxides (NOx), released during incomplete combustion of fossil fuels, are highly potent pro-oxidants, thus predicted to affect either the protective antioxidants and/or cause oxidative damage to bio-molecules...
December 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29222927/diaheliotropic-leaf-movement-enhances-leaf-photosynthetic-capacity-and-photosynthetic-use-efficiency-of-light-and-photosynthetic-nitrogen-via-optimizing-nitrogen-partitioning-among-photosynthetic-components-in-cotton-gossypium-hirsutum-l
#9
Hesheng Yao, Yali Zhang, Xiaoping Yi, Xiangjuan Zhang, Dayong Fan, Wah Soon Chow, Wangfeng Zhang
Phototropic leaf movement of plants is an effective mechanism for adapting to light conditions. Light is the major driver of plant photosynthesis. Leaf N is also an important limiting factor on leaf photosynthetic potential. Cotton (Gossypium hirsutum L.) exhibits diaheliotropic leaf movement. Here, we compared the long-term photosynthetic acclimation of fixed leaves (restrained) and free leaves (allowed free movement) in cotton. The fixed leaves and free leaves were used for the determinations of photosynthetically active radiation, leaf chlorophyll concentration, leaf N content and leaf gas exchange...
December 9, 2017: Plant Biology
https://www.readbyqxmd.com/read/29222922/survival-of-children-after-liver-transplantation-for-hepatocellular-carcinoma
#10
Ulrich Baumann, René Adam, Christophe Duvoux, Rafael Mikolajczyk, Vincent Karam, Lorenzo D'Antiga, Christophe Chardot, Ahmet Coker, Michele Colledan, Bo-Goran Erizon, Pål Dag Line, Nedim Hadzic, Helena Isoniemi, Jürgen L Klempnauer, Raymond Reding, Patrick J McKiernan, Valérie McLin, Andreas Paul, Mauro Salizzoni, Emanuel San Bento Furtado, Stefan Schneeberger, André Karch
Hepatocellular carcinoma (HCC) in childhood differs from adult HCC as it is often associated with inherited liver disease. It is, however, unclear whether liver transplantation (LT) for HCC in childhood with or without associated inherited disease has a comparable outcome to adult HCC. Based on data from the European Liver Transplant Registry (ELTR) we aimed to investigate if there are differences in patient and graft survival after LT for HCC between children and adults and between patients with underlying inherited versus non inherited liver disease respectively...
December 9, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/29222916/transplanting-hcv-positive-livers-into-hcv-negative-patients-with-preemptive-antiviral-treatment-a-modeling-study
#11
Jagpreet Chhatwal, Sumeyye Samur, Emily D Bethea, Turgay Ayer, Fasiha Kanwal, Chin Hur, Mark S Roberts, Norah Terrault, Raymond T Chung
Under current guidelines hepatitis C virus (HCV)-positive livers are not transplanted into HCV-negative recipients because of adverse post-transplant outcomes associated with allograft HCV infection. However, HCV can now be cured post liver transplant (LT) using direct-acting antivirals (DAAs) with >90% success; therefore, HCV-negative patients on the liver transplant (LT) waiting list may benefit from accepting HCV-positive organs with preemptive treatment. Our objective was to evaluate if and in which HCV-negative patients the potential benefit of accepting an HCV-positive (i...
December 9, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29222911/current-and-future-therapeutic-regimens-for-non-alcoholic-fatty-liver-disease-nafld-and-non-alcoholic-steatohepatitis-nash
#12
REVIEW
Zobair M Younossi, Rohit Loomba, Mary E Rinella, Elisabetta Bugianesi, Giulio Marchesini, Brent A Neuschwander-Tetri, Lawrence Serfaty, Francesco Negro, Stephen H Caldwell, Vlad Ratziu, Kathleen E Corey, Scott L Friedman, Manal F Abdelmalek, Stephen A Harrison, Arun J Sanyal, Joel E Lavine, Philippe Mathurin, Michael R Charlton, Naga P Chalasani, Quentin M Anstee, Kris V Kowdley, Jacob George, Zachary D Goodman, Keith Lindor
NASH/NAFLD is rapidly becoming one of top causes of cirrhosis, hepatocellular carcinoma and indication for liver transplantation. Except for life style modification through diet and exercise, there are currently no other approved treatments for NASH/NAFLD. Although weight loss can be effective, it is hard to achieve and sustain. In contrast, bariatric surgery can improve metabolic conditions associated with NAFLD and has been shown to improve liver histology. In order to have approved regimens for treatment of NASH/NAFLD, a number of issues that must be addressed...
December 9, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29222869/new-generation-cardioverter-defibrillator-lead-with-a-floating-atrial-sensing-dipole-long-term-performance
#13
Erdal Safak, Giuseppe D Ancona, Hilmi Kaplan, Evren Caglayan, Stephan Kische, Alper Öner, Hüseyin Ince, Jasmin Ortak
OBJECTIVES: Study aim is to present the long-term performance of a new generation implantable cardioverter defibrillator (ICD) electrode with floating atrial dipole (Linox S DX, Biotronik). BACKGROUND: The single ICD electrode with a floating dipole in the atrial chamber was introduced about 15 years ago to overcome risk of inappropriate shock. METHODS: After implant, internal ECG data were prospectively collected via tele-monitoring (Home Monitoring, Biotronik)...
December 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29222841/evaluation-of-an-ovary-on-a-chip-in-large-mammalian-models-species-specificity-and-influence-of-follicle-isolation-status
#14
J Nagashima, R El Assal, N Songsasen, U Demirci
The ability to grow oocytes from immature ovarian follicles in vitro has significant potential for fertility preservation; yet, it has proved challenging in large mammalian species due to the complex metabolic needs and long-term culture requirements. Currently, follicular incubations are based on a 'static' system with manual exchange of medium. Despite the numerous advantages of conventional culturing approaches, recapitulating the native microenvironment and supporting the survival of ovarian follicles still represent challenges...
December 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29222541/estimating-cost-effectiveness-of-a-multimodal-ovarian-cancer-screening-program-in-the-united-states-secondary-analysis-of-the-uk-collaborative-trial-of-ovarian-cancer-screening-ukctocs
#15
Haley A Moss, Andrew Berchuck, Megan L Neely, Evan R Myers, Laura J Havrilesky
Importance: The United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) is the largest randomized clinical trial to evaluate screening's impact on ovarian cancer mortality, assigning women to multimodal screening (MMS) with serum cancer antigen 125 (CA-125) interpreted using a risk algorithm. If the MMS screening method is eventually shown to reduce mortality and be cost-effective, then it may be accepted by the medical community as a feasible screening tool. Objective: To estimate the cost-effectiveness of an MMS screening program in the United States...
December 7, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29222403/common-pathophysiology-in-multiple-mouse-models-of-pitt-hopkins-syndrome
#16
Courtney Thaxton, Alexander D Kloth, Ellen P Clark, Sheryl S Moy, Raymond A Chitwood, Benjamin D Philpot
Mutations or deletions of the transcription factor TCF4 are linked to Pitt-Hopkins syndrome (PTHS) and schizophrenia, suggesting that the precise pathogenic mutations dictate cellular, synaptic, and behavioral consequences. Here we generated two novel mouse models of PTHS-one that mimics the most common pathogenic TCF4 point mutation (human R580W, mouse R579W) and one that deletes three pathogenic arginines-and explored phenotypes of these lines alongside models of pan-cellular or CNS-specific heterozygous Tcf4 disruption...
December 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29222315/extracorporeal-photopheresis-cellular-therapy-for-the-treatment-of-acute-and-chronic-graft-versus-host-disease
#17
REVIEW
Jennifer Schneiderman
Allogeneic hematopoietic stem cell transplantation (HSCT) is a potentially curative option for many disease states. Despite significant improvements in strategies used to prevent and treat acute and chronic graft-versus-host disease (a/cGVHD), they continue to negatively affect outcomes of HSCT significantly. Standard, first-line treatment consists of corticosteroids; beyond this, there is little consistency in therapeutic regimens. Current options include the addition of various immunosuppressive agents, the use of which puts patients at even higher risks for infection and other morbidities...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222264/incorporation-of-nonchemotherapeutic-agents-in-pediatric-acute-lymphoblastic-leukemia
#18
REVIEW
Lewis B Silverman
With current available therapies, the prognosis for most children and adolescents with acute lymphoblastic leukemia (ALL) is favorable. However, the multiagent chemotherapy regimens used to treat newly diagnosed patients are associated with many acute and long-term complications, and therapy for relapsed disease is intensive and suboptimally effective. Over the last decade, several nonchemotherapeutic approaches have been evaluated, with the goal of identifying more effective, less toxic therapies that can be used in conjunction with, or even replace, current regimens...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222263/crisis-management-in-the-treatment-of-childhood-acute-lymphoblastic-leukemia-putting-right-what-can-go-wrong-emergency-complications-of-disease-and-treatment
#19
REVIEW
Rachael Hough, Ajay Vora
The improvement in overall survival in children with acute lymphoblastic leukemia (ALL) over the last 5 decades has been considerable, with around 90% now surviving long term. The risk of relapse has been reduced to such an extent that the risk of treatment-related mortality is now approaching that of mortality caused by relapse. Toxicities may also lead to the suboptimal delivery of chemotherapy (treatment delays, dose reductions, dose omissions), potentially increasing relapse risk, and short- and long-term morbidity, adding to the "burden of therapy" in an increasing number of survivors...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222233/current-management-of-philadelphia-chromosome-positive-all-and-the-role-of-stem-cell-transplantation
#20
REVIEW
Farhad Ravandi
Treatment of Philadelphia chromosome positive acute lymphoblastic leukemia exemplifies how the addition of potent targeted agents, directed at the molecular aberrations responsible for leukemic transformation, can overcome resistance mechanisms to traditional regimens and lead to improved outcomes. The introduction of BCR-ABL1 targeted tyrosine kinase inhibitors (TKIs) has significantly improved the outcomes not only by allowing more patients to undergo allogeneic hematopoietic cell transplantation (alloHCT) but also by decreasing our reliance on this potentially toxic strategy, particularly in the less fit population...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
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