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https://www.readbyqxmd.com/read/27936449/methotrexate-treated-ectopic-pregnancy-beta-human-chorionic-gonadotropin-serum-changes-as-a-success-predictor-using-a-mathematical-model-validation
#1
Aleksandra Kovaleva, Natalia Irishina, Augusto Pereira, Tatiana Cuesta-Guardiola, Luis Ortiz-Quintana
BACKGROUND: Surgical rescue of methotrexate-treated ectopic pregnancy is necessary when tubal rupture or medical therapy failure is detected during post-therapeutic monitoring. It is known that an increased beta human chorionic gonadotropin (β-hCG) concentration is the most important factor associated with treatment failure. Therefore, we suggested that relative changes in serum β-hCG could predict a successful result of medical treatment, leading to facilitation of the decision to forgo the prospect of possible surgical rescue...
October 27, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27936284/utility-of-preclinical-drug-versus-food-choice-procedures-to-evaluate-candidate-medications-for-methamphetamine-use-disorder
#2
Matthew L Banks
Substance use disorders are diagnosed as a manifestation of inappropriate behavioral allocation toward abused drugs and away from other behaviors maintained by more adaptive nondrug reinforcers (e.g., money and social relationships). Substance use disorder treatment goals include not only decreasing drug-maintained behavior but also promoting behavioral reallocation toward these socially adaptive alternative reinforcers. Preclinical drug self-administration procedures that offer concurrent access to both drug and nondrug reinforcers provide a translationally relevant dependent measure of behavioral allocation that may be useful for candidate medication evaluation...
December 9, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27936016/a-tool-for-investigating-asthma-and-copd-exacerbations-a-newly-manufactured-and-well-characterised-gmp-wild-type-human-rhinovirus-for-use-in-the-human-viral-challenge-model
#3
Daniel J Fullen, Bryan Murray, Julie Mori, Andrew Catchpole, Daryl W Borley, Edward J Murray, Ganesh Balaratnam, Anthony Gilbert, Alex Mann, Fiona Hughes, Rob Lambkin-Williams
BACKGROUND: Human Rhinovirus infection is an important precursor to asthma and chronic obstructive pulmonary disease exacerbations and the Human Viral Challenge model may provide a powerful tool in studying these and other chronic respiratory diseases. In this study we have reported the production and human characterisation of a new Wild-Type HRV-16 challenge virus produced specifically for this purpose. METHODS AND STOCK DEVELOPMENT: A HRV-16 isolate from an 18 year old experimentally infected healthy female volunteer (University of Virginia Children's Hospital, USA) was obtained with appropriate medical history and consent...
2016: PloS One
https://www.readbyqxmd.com/read/27935907/eclampsia-feto-maternal-outcomes-in-a-tertiary-care-centre-in-eastern-nepal
#4
S Ghimire
INTRODUCTION: Eclampsia is a preventable and treatable cause of maternal morbidity and mortality with poor feto-maternal outcome in developing countries. Despite development in the level of health education expertise in human resources and institutional obstetric care in our country, the delay in early recognition of the problem, transportation to proper health facility and getting proper expert care are major hurdles to reduce complications. Therefore, we decided to study feto-maternal outcomes in our setting...
January 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27935496/reducing-error-and-blame-in-practice
#5
(no author information available yet)
The value of checklists as a means of overcoming human error in both veterinary and medical practice was discussed during the BVA Congress at the London Vet Show last month. Speakers explained that, while checklists are not the answer to everything, there is good evidence to support their use. Kathryn Clark reports.
December 3, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27935265/modelling-mitral-valvular-dynamics-current-trend-and-future-directions
#6
Hao Gao, Nan Qi, Liuyang Feng, Xingshuang Ma, Mark Danton, Colin Berry, Xiaoyu Luo
Dysfunction of mitral valve causes morbidity and premature mortality and remains a leading medical problem worldwide. Computational modelling aims to understand the biomechanics of human mitral valve and could lead to the development of new treatment, prevention and diagnosis of mitral valve diseases. Compared with the aortic valve, the mitral valve has been much less studied owing to its highly complex structure and strong interaction with the blood flow and the ventricles. However, the interest in mitral valve modelling is growing, and the sophistication level is increasing with the advanced development of computational technology and imaging tools...
December 9, 2016: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/27934656/the-safety-and-regulatory-process-for-amino-acids-in-europe-and-the-united-states
#7
REVIEW
Ashley Roberts
The safety of long-term, high-dose amino acid consumption marketed as dietary supplements or functional or medical foods requires regulatory clearance in the European Union through the novel food process or through the Dietary Supplement Health and Education Act or the GRAS (Generally Recognized As Safe) route in the United States. The safety assessment of high daily doses of amino acids for bodybuilding or other health benefits is expected to require human studies to support tolerability and safety. The need for human studies is based on the fact that there is little or no evidence of toxicity from the conduct of animal toxicity studies and because standard animal testing would be inappropriate because of the large dosages required to provide a suitable margin of safety when extrapolating from animals to humans...
December 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27934539/healthcare-reform-in-the-middle-east-and-the-usa
#8
Mustafa Z Younis
Mustafa Z Younis speaks to Laura Dormer, Commissioning Editor: Dr MZ Younis is an internationally recognized scholar and was a member of the Executive Committee of the International Society for Research of Healthcare Financial Management. Dr Younis has authored and published over 200 articles, abstracts and presentations in refereed journals and meetings, and has presented at national and international conferences. Dr Younis has administrative experience as Senior Adviser for the President at Zirve University, Turkey and as Chair of the Department of Health Policy and Management at Florida International University (FL, USA) where he led the accreditation efforts for the Healthcare Management Program...
December 9, 2016: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/27934291/antiprotozoal-effects-of-the-tomato-tetrasaccharide-glycoalkaloid-tomatine-and-the-aglycone-tomatidine-on-mucosal-trichomonads
#9
Jenny Liu, Sierra Kanetake, Yun-Hsuan Wu, Christina Tam, Luisa W Cheng, Kirkwood M Land, Mendel Friedman
The present study investigated the inhibitory effects of the commercial tetrasaccharide tomato glycoalkaloid tomatine and the aglycone tomatidine on three mucosal pathogenic protozoa that are reported to infect humans, cattle, and cats, respectively: Trichomonas vaginalis strain G3, Tritrichomonas foetus strain D1, and Tritrichomonas foetus strain C1. A preliminary screen showed that tomatine at 100 μM concentration completely inhibited the growth of all three trichomonads. In contrast, the inhibition of all three pathogens by tomatidine was much lower, suggesting the involvement of the lycotetraose carbohydrate side chain in the mechanism of inhibition...
November 23, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27934165/aspirin-based-carbon-dots-a-good-biocompatibility-of-material-applied-for-bioimaging-and-anti-inflammation
#10
Xiaowei Xu, Kai Zhang, Liang Zhao, Chen Li, Wenhuan Bu, Yuqin Shen, Zhongyi Gu, Bei Chang, Changyu Zheng, Chongtao Lin, Hongchen Sun, Bai Yang
The emerging photoluminescent carbon-based nanomaterials are promising in various fields besides cell imaging and carrier transport. Carbon nanomaterials with specific biological functions, however, are rarely investigated. Aspirin is a very common anti-inflammatory medication to relieve aches and pains. In this study, we have tried to create a carbon nanoparticle with aspirin, and we expect that this new carbon nanoparticle will have both anti-inflammatory and fluorescent biomarker functions. Fluorescent aspirin-based carbon dots (FACDs) were synthesized by condensing aspirin and hydrazine through a one-step microwave-assisted method...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27933957/synthesis-and-antiviral-evaluation-of-octadecyloxyethyl-benzyl-9-2-phosphonomethoxy-ethyl-guanine-ode-bn-pmeg-a-potent-inhibitor-of-transient-hpv-dna-amplification
#11
James R Beadle, Nadejda Valiaeva, Guang Yang, Jei-Hwa Yu, Thomas R Broker, Kathy A Aldern, Emma A Harden, Kathy A Keith, Mark N Prichard, Tracy Hartman, Robert W Buckheit, Louise T Chow, Karl Y Hostetler
Human papillomavirus (HPV) high-risk genotypes such as HPV-16 and HPV-18 cause the majority of anogenital tract carcinomas, including cervical cancer, the second most common malignancy in women worldwide. Currently there are no approved antiviral agents that reduce or eliminate HPV and reverse virus-associated pathology. We synthesized and evaluated several alkoxyalkyl acyclic nucleoside phosphonate diesters and identified octadecyloxyethyl benzyl 9-[(2-phosphonomethoxy)ethyl]guanine (ODE-Bn-PMEG) as an active compound which strongly inhibited transient amplification of HPV-11, -16, and -18 origin-containing plasmid DNA in transfected cells at concentrations well below its cytotoxic concentrations...
December 8, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27933817/peptide-mediated-platelet-capture-at-gold-micropore-arrays
#12
Kellie Adamson, Elaine Spain, Una Prendergast, Niamh Moran, Robert J Forster, Tia E Keyes
Ordered spherical cap gold cavity arrays with 5.4, 1.6, and 0.98 μm diameter apertures were explored as capture surfaces for human blood platelets to investigate the impact of surface geometry and chemical modification on platelet capture efficiency and their potential as platforms for surface enhanced Raman spectroscopy of single platelets. The substrates were chemically modified with single-constituent self-assembled monolayers (SAM) or mixed SAMs comprised of thiol-functionalized arginine-glycine-aspartic acid (RGD, a platelet integrin target) with or without 1-octanethiol (adhesion inhibitor)...
November 30, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27933543/integrative-analysis-of-genetic-genomic-and-phenotypic-data-for-ethanol-behaviors-a-network-based-pipeline-for-identifying-mechanisms-and-potential-drug-targets
#13
James W Bogenpohl, Kristin M Mignogna, Maren L Smith, Michael F Miles
Complex behavioral traits, such as alcohol abuse, are caused by an interplay of genetic and environmental factors, producing deleterious functional adaptations in the central nervous system. The long-term behavioral consequences of such changes are of substantial cost to both the individual and society. Substantial progress has been made in the last two decades in understanding elements of brain mechanisms underlying responses to ethanol in animal models and risk factors for alcohol use disorder (AUD) in humans...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933401/improvement-of-abnormal-vaginal-flora-in-ugandan-women-by-self-testing-and-short-use-of-intravaginal-antimicrobials
#14
G Donders, G Bellen, F Donders, J Pinget, I Vandevelde, T Michiels, J Byamughisa
The vaginal composition of African women is more often lactobacillus-deficient compared to that of women from other areas around the world. Lactobacillus-deficient microflora is a known risk factor for serious health problems, such as preterm birth, cervix cancer, and entrapment of human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs). The aim of this study was to assess the effect of local vaginal antibiotic or antiseptic treatment on abnormal vaginal flora (AVF), aerobic vaginitis (AV), and bacterial vaginosis (BV) among women in rural, semi-urban, and urban areas in Uganda, as compared to placebo...
December 8, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27933394/men-and-women-show-similar-survival-rates-after-breast-cancer
#15
Paulo Franscisco Mascarenhas Bender, Letícia Lima de Oliveira, Célia Regina Costa, Suzana Sales de Aguiar, Anke Bergmann, Luiz Claudio Santos Thuler
PURPOSE: To compare the disease-free survival (DFS) and overall survival (OS) rates of men and women undergoing treatment for breast cancer. METHODS: A retrospective cohort study of patients with breast cancer diagnosed and treated at the Cancer Hospital III of the National Cancer Institute of Brazil, Rio de Janeiro, Brazil, between 1999 and 2013. Male breast cancer cases were matched for age, year of diagnosis, and clinical staging to three female cases (1:3). Patient characteristics were abstracted from hospital records and medical charts...
December 8, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27933339/efficacy-and-safety-of-osteoporosis-medications-in-a-rat-model-of-late-stage-chronic-kidney-disease-accompanied-by-secondary-hyperparathyroidism-and-hyperphosphatemia
#16
M Ota, M Takahata, T Shimizu, Y Kanehira, H Kimura-Suda, Y Kameda, H Hamano, S Hiratsuka, D Sato, N Iwasaki
: This study showed that bisphosphonate was safe and effective for the treatment of bone disorders in stage 4 chronic kidney disease (CKD) rats. Intermittent teriparatide therapy showed an anabolic action on bone even under secondary hyperparathyroidism conditions without having an adverse effect on mineral metabolism in late-stage CKD. INTRODUCTION: Patients with late-stage CKD are at high risk for fragility fractures. However, there are no consensus on the efficacy and safety of osteoporosis medications for patients with late-stage CKD...
December 8, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27933213/molecular-pathology-of-cancer-how-to-communicate-with-disease
#17
REVIEW
Peter Birner, Gerald Prager, Berthold Streubel
: Recent technical advances have brought insights into the biology of cancer in human, establishing it as a disease driven by genetic mutations. Beside inherited family tumour syndromes caused by germline mutations, somatic genetic alterations occur early in tumourigenesis, which accumulate during the progression of the disease and its treatment. Based on these observations, medical oncology has started to enter an era of stratified medicine, where treatment selection is becoming tailored to drugable molecular pathways...
2016: ESMO Open
https://www.readbyqxmd.com/read/27933173/a-rare-case-of-gestational-thyrotoxicosis-as-a-cause-of-acute-myocardial-infarction
#18
Varalaxmi Bhavani Nannaka, Dmitry Lvovsky
: Angina pectoris in pregnancy is unusual and Prinzmetal's angina is much rarer. It accounts for 2% of all cases of angina. It is caused by vasospasm, but the mechanism of spasm is unknown but has been linked with hyperthyroidism in some studies. Patients with thyrotoxicosis-induced acute myocardial infarction are unusual and almost all reported cases have been associated with Graves' disease. Human chorionic gonadotropin hormone-induced hyperthyroidism occurs in about 1.4% of pregnant women, mostly when hCG levels are above 70-80 000 IU/L...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27932983/cannabidiol-regulation-of-learned-fear-implications-for-treating-anxiety-related-disorders
#19
Regimantas Jurkus, Harriet L L Day, Francisco S Guimarães, Jonathan L C Lee, Leandro J Bertoglio, Carl W Stevenson
Anxiety and trauma-related disorders are psychiatric diseases with a lifetime prevalence of up to 25%. Phobias and post-traumatic stress disorder (PTSD) are characterized by abnormal and persistent memories of fear-related contexts and cues. The effects of psychological treatments such as exposure therapy are often only temporary and medications can be ineffective and have adverse side effects. Growing evidence from human and animal studies indicates that cannabidiol, the main non-psychotomimetic phytocannabinoid present in Cannabis sativa, alleviates anxiety in paradigms assessing innate fear...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27932863/non-imidazole-based-histamine-h3-receptor-antagonists-with-anticonvulsant-activity-in-different-seizure-models-in-male-adult-rats
#20
Bassem Sadek, Ali Saad, Gniewomir Latacz, Kamil Kuder, Agnieszka Olejarz, Tadeusz Karcz, Holger Stark, Katarzyna Kieć-Kononowicz
A series of twelve novel non-imidazole-based ligands (3-14) was developed and evaluated for its in vitro binding properties at the human histamine H3 receptor (hH3R). The novel ligands were investigated for their in vivo protective effects in different seizure models in male adult rats. Among the H3R ligands (3-14) tested, ligand 14 showed significant and dose-dependent reduction in the duration of tonic hind limb extension in maximal electroshock (MES)-induced seizure model subsequent to acute systemic administration (5, 10, and 20 mg/kg, intraperitoneally), whereas ligands 4, 6, and 7 without appreciable protection in MES model were most promising in pentylenetetrazole (PTZ) model...
2016: Drug Design, Development and Therapy
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