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https://www.readbyqxmd.com/read/29792967/validated-reverse-phase-hplc-diode-array-method-for-the-quantification-of-intact-bevacizumab-infliximab-and-trastuzumab-for-long-term-stability-study
#1
Antonio Martínez-Ortega, Agustín Herrera, Antonio Salmerón-García, José Cabeza, Luis Cuadros-Rodríguez, Natalia Navas
The aim of the present study was to develop suitable and reliable method for quantification three of the most worldwide used therapeutic monoclonal antibodies (mAbs) -bevazizumab (BVZ), infliximab (INF) and trastuzumab (TTZ)- to be used in long-term stability studies. Reverse phase (RP) was selected by its greater sensibility and reproducibility comparing with other chromatographic modes. Then a high performance liquid chromatography with diode array detection (RP)HPLC/DAD method was checked. Since the three mAbs represent the active ingredient in the medicines in which they are formulated, the selected method was validated for each one in accordance with the International Conference on Harmonization (ICH) guidelines for pharmaceuticals for human use...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792477/psychological-adjustment-in-spanish-young-adult-domestic-adoptees-mental-health-and-licit-substance-consumption
#2
Yolanda Sánchez-Sandoval, Sandra Melero
Although adoptive families have been shown to provide a protective context for human development, some adopted children and adolescents are at increased risk for psychological adjustment problems. On the other hand, little is known about psychological adjustment of young adult adoptees. The aim of this study is to analyze the mental health and legal substance consumption (tobacco and alcohol) of young adults (n = 134) who were domestically adopted by Spanish families. Young adults showed significantly worse scores on the Symptom Check-List-90-R (Derogatis, 1975) and also more substance use than did the Spanish general population, but fewer difficulties than did the clinical population...
May 24, 2018: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/29792307/putative-vaccine-candidates-and-drug-targets-identified-by-reverse-vaccinology-and-subtractive-genomics-approaches-to-control-haemophilus-ducreyi-the-causative-agent-of-chancroid
#3
Alissa de Sarom, Arun Kumar Jaiswal, Sandeep Tiwari, Letícia de Castro Oliveira, Debmalya Barh, Vasco Azevedo, Carlo Jose Oliveira, Siomar de Castro Soares
Chancroid is a sexually transmitted infection (STI) caused by the Gram-negative bacterium Haemophilus ducreyi The control of chancroid is difficult and the only current available treatment is antibiotic therapy; however, antibiotic resistance has been reported in endemic areas. Owing to recent outbreaks of STIs worldwide, it is important to keep searching for new treatment strategies and preventive measures. Here, we applied reverse vaccinology and subtractive genomic approaches for the in silico prediction of potential vaccine and drug targets against 28 strains of H...
May 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29792224/health-technology-assessment-of-public-health-interventions-an-analysis-of-characteristics-and-comparison-of-methods-study-protocol
#4
Tim Mathes, Gerald Willms, Stephanie Polus, Constance Stegbauer, Melanie Messer, Corinna Klingler, Heidi Ehrenreich, Dea Niebuhr, Georg Marckmann, Ansgar Gerhardus, Dawid Pieper
BACKGROUND: Conducting a health technology assessment (HTA) of public health interventions (PHIs) poses some challenges. PHIs are often complex interventions, which affect the number and degree of interactions of the aspects to be assessed. Randomized controlled trials on PHIs are rare as they are difficult to conduct because of ethical or feasibility issues. The aim of this study is to provide an overview of the methodological characteristics and to compare the applied assessment methods in HTAs on PHIs...
May 23, 2018: Systematic Reviews
https://www.readbyqxmd.com/read/29792221/sex-differences-in-cardiovascular-epigenetics-a-systematic-review
#5
REVIEW
Robin J G Hartman, Sarah E Huisman, Hester M den Ruijter
BACKGROUND: Differences in cardiovascular diseases are evident in men and women throughout life and are mainly attributed to the presence of sex hormones and chromosomes. Epigenetic mechanisms drive the regulation of the biological processes that may lead to CVD and are possibly influenced by sex. In order to gain an overview of the status quo on sex differences in cardiovascular epigenetics, we performed a systematic review. MATERIALS AND METHODS: A systematic search was performed on PubMed and Embase for studies mentioning cardiovascular disease, epigenetics, and anything related to sex differences...
May 23, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29791719/molecular-and-morphological-diversity-of-trebouxia-microalgae-in-sphaerothallioid-circinaria-spp-lichens
#6
Arántzazu Molins, Patricia Moya, Francisco J García-Breijo, José Reig-Armiñana, Eva Barreno
Three vagrant (Circinaria hispida, Circinaria gyrosa, Circinaria sp. 'paramerae') and one crustose (semi-vagrant, Circinaria sp.'oromediterranea') lichens growing in very continental areas in the Iberian Peninsula were selected to study the phycobiont diversity. Mycobiont identification was checked using nrITS DNA barcoding: Circinaria sp.'oromediterranea' and Circinaria sp. 'paramerae' formed a new clade. Phycobiont diversity was analyzed in 50 thalli of Circinaria spp. using nrITS DNA and LSU rDNA, with microalgae coexistence being found in all the species analyzed by Sanger sequencing...
May 23, 2018: Journal of Phycology
https://www.readbyqxmd.com/read/29791463/recurrent-spatio-temporal-modeling-of-check-ins-in-location-based-social-networks
#7
Ali Zarezade, Sina Jafarzadeh, Hamid R Rabiee
Social networks are getting closer to our real physical world. People share the exact location and time of their check-ins and are influenced by their friends. Modeling the spatio-temporal behavior of users in social networks is of great importance for predicting the future behavior of users, controlling the users' movements, and finding the latent influence network. It is observed that users have periodic patterns in their movements. Also, they are influenced by the locations that their close friends recently visited...
2018: PloS One
https://www.readbyqxmd.com/read/29791299/spatial-attention-enhances-the-neural-representation-of-invisible-signals-embedded-in-noise
#8
Cooper A Smout, Jason B Mattingley
Recent evidence suggests that voluntary spatial attention can affect neural processing of visual stimuli that do not enter conscious awareness (i.e., invisible stimuli), supporting the notion that attention and awareness are dissociable processes [Wyart, V., Dehaene, S., & Tallon-Baudry, C. Early dissociation between neural signatures of endogenous spatial attention and perceptual awareness during visual masking. Frontiers in Human Neuroscience, 6, 1-14, 2012; Watanabe, M., Cheng, K., Murayama, Y., Ueno, K...
May 23, 2018: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/29791072/massive-hemothorax-after-computed-tomography-guided-lung-tumor-biopsy-an-unusual-but-disastrous-complication
#9
Wei-Ming Huang, Hui-Chen Lin, Chia-Hung Chen, Chien-Wen Chen, Chih-Hsin Wang, Chung-Yao Huang, Ching-Che Wang, Chun-Chao Huang
Intercostal artery injury during transthoracic puncture is rare but is accompanied by high rates of morbidity and mortality. We report a case with metachronous double primary esophageal cancers and development of multiple lung nodules. Tissue proof for the lung nodules is required to guide the following treatment protocol. Our patient died soon after computed tomography-guided lung tumor biopsy was performed, as a result of procedure-related massive and uncontrolled hemothorax. The cause is likely intercostal artery injury related to the transthoracic puncture...
May 23, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29790997/a-multi-institutional-study-of-independent-calculation-verification-in-inhomogeneous-media-using-a-simple-and-effective-method-of-heterogeneity-correction-integrated-with-the-clarkson-method
#10
Shunta Jinno, Hidenobu Tachibana, Shunsuke Moriya, Norifumi Mizuno, Ryo Takahashi, Tatsuya Kamima, Satoru Ishibashi, Masanori Sato
In inhomogeneous media, there is often a large systematic difference in the dose between the conventional Clarkson algorithm (C-Clarkson) for independent calculation verification and the superposition-based algorithms of treatment planning systems (TPSs). These treatment site-dependent differences increase the complexity of the radiotherapy planning secondary check. We developed a simple and effective method of heterogeneity correction integrated with the Clarkson algorithm (L-Clarkson) to account for the effects of heterogeneity in the lateral dimension, and performed a multi-institutional study to evaluate the effectiveness of the method...
May 21, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/29790679/the-influence-of-a-3-week-body-mass-reduction-program-on-the-metabolic-parameters-and-free-amino-acid-profiles-in-adult-polish-people-with-obesity
#11
Małgorzata Moszak, Agnieszka Klupczyńska, Alina Kanikowska, Zenon Kokot, Agnieszka Zawada, Małgorzata Grzymisławska, Marian Grzymisławski
BACKGROUND: Previous studies have showed differences in the amino acid (AA) composition in the plasma of people with obesity when compared to lean individuals, but the perturbations of AA concentrations in obesity and the dynamics of AA changes after weight loss is not fully understood. OBJECTIVES: The objective of the study was to evaluate the effect of a short-term weight reduction program on the metabolic status and plasma AA levels in individuals with obesity...
April 16, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790071/impact-of-polar-body-biopsy-on-embryo-morphokinetics-back-to-the-roots-in-preimplantation-genetic-testing
#12
Michael Schenk, Andrea Groselj-Strele, Katharina Eberhard, Elisabeth Feldmeier, Darja Kastelic, Stefanie Cerk, Gregor Weiss
PURPOSE: Polar body biopsy (PBB) is a common technique in preimplantation genetic testing (PGT) to assess the chromosomal status of the oocyte. Numerous studies have been implemented to investigate the impact of biopsies on embryo development; however, information on embryo morphokinetics is still lacking. Hence, we investigated the impact of PBB on morphokinetic parameters in early embryo development. METHODS: Four hundred four embryos (202 PBB, 202 control) were retrospectively analyzed...
May 22, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29790068/neuritin-attenuates-neuronal-apoptosis-mediated-by-endoplasmic-reticulum-stress-in-vitro
#13
Xiaokun Sun, Linzhi Dai, Hang Zhang, Xuejun He, Fandi Hou, Wengao He, Shijun Tang, Dong Zhao
Neuritin is an extracellular glycophosphatidylinositol-linked protein that promotes neuronal survival, differentiation, function, and repair, but the exact mechanism of this neuroprotective effect remains unclear. Meanwhile, endoplasmic reticulum stress (ERS) induced apoptosis is attracting increased attention. In this work, we hypothesized that neuritin inhibited ERS to protect cortical neurons. To check this hypothesis, we exposed primary cultured cortical neurons to oxygen and glucose deprivation (OGD) for 45 min followed by reperfusion (R) to activate ERS...
May 22, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29789981/research-driven-policy-is-financial-capacity-related-to-dangerousness
#14
Patrick H DeLeon, Maegan M Paxton, Tonya Spencer, Jouhayna E Bajjani-Gebara
Current Veterans administration policy directly links a Veteran's adjudged capacity to manage personal financial resources with their ability to purchase or possess a firearm, pursuant to the regulatory authority of the National Instant Criminal Background Check System (NICS). Preventing Veterans' suicide is a highly laudable public health objective. Effectively utilizing scientific research to "inform" public policy is equally important. The authors should be congratulated for their efforts. However, it is important in utilizing large set population-based data, especially social science data, to evaluate policy alternatives that there be substantial face (i...
May 22, 2018: Administration and Policy in Mental Health
https://www.readbyqxmd.com/read/29789732/experimental-drugs-poised-for-use-in-ebola-outbreak
#15
Erika Check Hayden
No abstract text is available yet for this article.
May 2018: Nature
https://www.readbyqxmd.com/read/29789122/indexed-plasma-drug-concentrations-for-drug-adherence-screening-in-hypertensive-patients
#16
F A Sandbaumhüter, M Haschke, B Vogt, J M Bohlender
AIM: Due to its high sensitivity, qualitative plasma drug screening by liquid chromatography/tandem mass spectrometry may not be able to distinguish same-day drug intake from drug use on preceding days and cause misclassifications of drug adherence in hypertensive patients. Analysis of plasma drug concentrations may provide more accurate results. PATIENTS AND METHODS: We describe dose-dependent indexing of plasma drug concentrations for expected peak concentrations to define individual screening thresholds for same-day drug use...
May 19, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29788769/audit-of-intrapartum-care-based-on-the-national-guideline-for-midwifery-and-birth-services
#17
Sonia Minooee, Masoumeh Simbar, Zohreh Sheikhan, Hamid Alavi Majd
Providing high-quality maternity care is a worldwide health concern that necessitates regular assessment of intrapartum practice. In an observational study, we aimed to audit intrapartum care based on the National Guideline for Midwifery and Birth Services. Using quota sampling, a total of 200 pregnant women, admitted for normal vaginal delivery, were recruited from four educational hospitals in Tehran, Iran. An observational checklist was developed based on the national guideline to assess the quality of provided care...
January 1, 2018: Evaluation & the Health Professions
https://www.readbyqxmd.com/read/29788743/novel-insights-into-transcriptional-dysregulation-in-colorectal-cancer
#18
Y Feodorova, D Tashkova, I Koev, A Todorov, G Kostov, K Simitchiev, V Belovejdov, R Dimov, V Sarafian
Colorectal cancer (CRC) is a leading cause of cancer-related mortality worldwide. Although CRC has been comprehensively characterized at the molecular level, the tumor heterogeneity hinders the identification of reliable diagnostic, prognostic and predictive biomarkers. Molecular stratification of CRC is based on prevalent gene mutations and transcription profiles but its significance for clinical practice remains obscure. Indeed, activating mutations in the genes KRAS, NRAS and BRAF are the only predictive biomarkers for anti-EGFR antibody therapy routinely tested the clinic for advanced stages of CRC...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788676/trends-in-statistical-methods-in-articles-published-in-archives-of-plastic-surgery-between-2012-and-2017
#19
REVIEW
Kyunghwa Han, Inkyung Jung
This review article presents an assessment of trends in statistical methods and an evaluation of their appropriateness in articles published in the Archives of Plastic Surgery (APS) from 2012 to 2017. We reviewed 388 original articles published in APS between 2012 and 2017. We categorized the articles that used statistical methods according to the type of statistical method, the number of statistical methods, and the type of statistical software used. We checked whether there were errors in the description of statistical methods and results...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29788529/-a-web-based-colour-vision-test-as-a-tool-for-qualitative-evaluation-of-pseudoisochromatic-pfl%C3%A3-ger-trident-colour-plates
#20
Joern Kuchenbecker
BACKGROUND: Pseudoisochromatic colour plates are constructed according to specific principles. They can be very different in quality. To check the diagnostic quality, they have to be tested on a large number of subjects, but this procedure is can be tedious and expensive. Therefore, the use of a standardised web-based test is recommended. METHODS: Eight Pflüger trident colour plates (including 1 demo plate) according to the Velhagen edition of 1980 were digitised and inserted into a web-based colour vision test (www...
May 22, 2018: Klinische Monatsblätter Für Augenheilkunde
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