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https://www.readbyqxmd.com/read/28219287/overview-of-the-moral-status-of-ips-cells
#1
Andreia Martins Martinho
The production of induced pluripotent stem (iPS) cells in 2006 by Takahashi and Yamanaka was a major breakthrough in stem cell research. IPS cells technology holds great promise for cell therapy, disease modelling, and drug testing, but it poses ethical questions concerning the moral status of somatic cells, which can re-gain pluripotency (iPS cells). This article provides an overview of the arguments that substantiate the debate on the moral assessment of iPS cells: potentiality argument; relational properties/standard view; and genetic basis for moral status...
July 2016: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
https://www.readbyqxmd.com/read/28218463/closed-reference-metatranscriptomics-enables-in-planta-profiling-of-putative-virulence-activities-in-the-grapevine-trunk-disease-complex
#2
Abraham Morales-Cruz, Gabrielle Allenbeck, Rosa Figueroa-Balderas, Vanessa E Ashworth, Daniel P Lawrence, Renaud Travadon, Rhonda J Smith, Kendra Baumgartner, Philippe E Rolshausen, Dario Cantu
Grapevines, like other perennial crops, are affected by so-called 'trunk diseases', which damage the trunk and other woody tissues. Mature grapevines typically contract more than one trunk disease and often multiple grapevine trunk pathogens (GTPs) are recovered from infected tissues. The co-existence of different GTP species in complex and dynamic microbial communities complicates the study of the molecular mechanisms underlying disease development especially under vineyard conditions. The objective of this study was to develop and optimize a community-level transcriptomics (i...
February 20, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28216769/the-insanity-defense-related-issues
#3
REVIEW
T V Asokan
For the past 150 years, there is no change in the understanding and knowledge other than autonomy and capacity to choose the right and wrong for criminal liability. The alternative concept that human behavior is the result of an interaction between biological and environmental factors other than free choice failed to impress the criminal justice system because of a direct threat to a society's deep seated need to blame someone than themselves for criminal harms that occur. The insanity defense has a long history, and is evolved after many tests that have been tried and tested...
December 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28216409/structure-and-activity-of-contryphan-vc2-importance-of-the-d-amino-acid-residue
#4
Stephen B Drane, Samuel D Robinson, Christopher A MacRaild, Sandeep Chhabra, Balasubramanyam Chittoor, Rodrigo A V Morales, Eleanor W W Leung, Alessia Belgi, Samuel S Espino, Baldomero M Olivera, Andrea J Robinson, David K Chalmers, Raymond S Norton
In natural proteins and peptides, amino acids exist almost invariably as L-isomers. There are, however, several examples of naturally-occurring peptides containing D-amino acids. In this study we investigated the role of a naturally-occurring D-amino acid in a small peptide identified in the transcriptome of a marine cone snail. This peptide belongs to a family of peptides known as contryphans, all of which contain a single D-amino acid residue. The solution structure of this peptide was solved by NMR, but further investigations with molecular dynamics simulations suggest that its solution behaviour may be more dynamic than suggested by the NMR ensemble...
February 16, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28215240/morningness-eveningness-correlates-with-sleep-time-quality-and-hygiene-in-secondary-school-students-a-multilevel-analysis
#5
Christian Vollmer, Konrad S Jankowski, Juan F Díaz-Morales, Heike Itzek-Greulich, Peter Wüst-Ackermann, Christoph Randler
At the onset of puberty, students shift their sleep to later hours, but school starts early. It is suggested that evening orientation and early school start times do not go well together. Therefore, the aim of this study was to investigate sleep problems in adolescence, and it was expected that the adolescents' eveningness orientation is associated with many sleep-related problems. Students of secondary education (n = 3201; mean = 13.8 ± 1.8 years) filled out a self-report questionnaire containing measures of morningness-eveningness, sleep time (midpoint of sleep, social "jetlag"), sleep length (on schooldays and on weekends), sleep quality, and sleep hygiene as well as questions on electronic screen media use...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28211343/immediate-reactions-to-more-than-1-nsaid-must-not-be-considered-cross-hypersensitivity-unless-tolerance-to-asa-is-verified
#6
D Pérez-Alzate, J A Cornejo-García, N Pérez-Sánchez, I Andreu, A García-Moral, J A Agúndez, J Bartra, I Doña, M J Torres, M Blanca, N Blanca-López, G Canto
BACKGROUND AND OBJECTIVES: Individuals who develop drug hypersensitivity reactions (DHRs) to chemically unrelated nonsteroidal anti-inflammatory drugs (NSAIDs) are considered cross-hypersensitive. The hallmark for this classification is that the patient presents a reaction after intake of or challenge with acetylsalicylic acid (ASA). Whether patients react to 2 or more NSAIDs while tolerating ASA remains to be studied (selective reactions, SRs). Objective: To identify patients with SRs to 2 or more NSAIDs including strong COX-1 inhibitors...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28194439/an-early-biomarker-algorithm-predicts-lethal-graft-versus-host-disease-and-survival
#7
Matthew J Hartwell, Umut Özbek, Ernst Holler, Anne S Renteria, Hannah Major-Monfried, Pavan Reddy, Mina Aziz, William J Hogan, Francis Ayuk, Yvonne A Efebera, Elizabeth O Hexner, Udomsak Bunworasate, Muna Qayed, Rainer Ordemann, Matthias Wölfl, Stephan Mielke, Attaphol Pawarode, Yi-Bin Chen, Steven Devine, Andrew C Harris, Madan Jagasia, Carrie L Kitko, Mark R Litzow, Nicolaus Kröger, Franco Locatelli, George Morales, Ryotaro Nakamura, Ran Reshef, Wolf Rösler, Daniela Weber, Kitsada Wudhikarn, Gregory A Yanik, John E Levine, James L M Ferrara
BACKGROUND. No laboratory test can predict the risk of nonrelapse mortality (NRM) or severe graft-versus-host disease (GVHD) after hematopoietic cellular transplantation (HCT) prior to the onset of GVHD symptoms. METHODS. Patient blood samples on day 7 after HCT were obtained from a multicenter set of 1,287 patients, and 620 samples were assigned to a training set. We measured the concentrations of 4 GVHD biomarkers (ST2, REG3α, TNFR1, and IL-2Rα) and used them to model 6-month NRM using rigorous cross-validation strategies to identify the best algorithm that defined 2 distinct risk groups...
February 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28191999/chronic-and-episodic-anger-and-gratitude-toward-the-organization-relationships-with-organizational-and-supervisor-supportiveness-and-extrarole-behavior
#8
Michael T Ford, Yanxia Wang, Jiafei Jin, Robert Eisenberger
Gratitude and anger represent 2 fundamental moral emotions in response to help or harm. Research suggests that individuals perceive organizations to have humanlike qualities and thus hold them responsible for helpful or harmful treatment. Given this line of reasoning, we hypothesized that workers direct gratitude toward their organizations in response to supportive treatment and anger toward their organizations in response to unsupportive treatment. Gratitude and anger, in turn, were expected to influence daily extrarole behavior...
February 13, 2017: Journal of Occupational Health Psychology
https://www.readbyqxmd.com/read/28191996/the-impact-of-testimony-on-children-s-moralization-of-novel-actions
#9
Joshua Rottman, Liane Young, Deborah Kelemen
What leads children to moralize actions that cause no apparent harm? We hypothesized that adults' verbal instruction ("testimony"), as well as emotions such as disgust, would influence children's moralization of apparently harmless actions. To test this hypothesis, 7-year-old children were asked to render moral judgments of novel, seemingly victimless, body-directed or nature-directed actions after being exposed to adults' testimony or to an emotional induction. Study 1 demonstrated that children became more likely to judge actions as "wrong" upon being verbally presented with testimony about disgust or anger-but not upon being directly induced to feel disgusted...
February 13, 2017: Emotion
https://www.readbyqxmd.com/read/28191027/is-moral-elevation-an-approach-oriented-emotion
#10
Julie Van de Vyver, Dominic Abrams
Two studies were designed to test whether moral elevation should be conceptualized as an approach-oriented emotion. The studies examined the relationship between moral elevation and the behavioral activation and inhibition systems. Study 1 (N = 80) showed that individual differences in moral elevation were associated with individual differences in behavioral activation but not inhibition. Study 2 (N = 78) showed that an elevation-inducing video promoted equally high levels of approach orientation as an anger-inducing video and significantly higher levels of approach orientation than a control video...
March 4, 2017: Journal of Positive Psychology
https://www.readbyqxmd.com/read/28188714/-high-prevalence-of-food-sensitization-among-adults-with-allergic-diseases-who-live-in-the-guadalajara-metropolitan-area
#11
Martín Bedolla-Barajas, Nayeli Elizabeth Torres-Álvarez, Uzziel Contreras-González, Dante Hernández-Colín, Tonantzin Isis Bedolla-Pulido, Martín Robles-Figueroa, Jaime Morales-Romero
BACKGROUND: The prevalence of food sensitization in adults shows differences owing to geographic, regional and cultural circumstances. OBJECTIVE: To identify the prevalence and factors associated with food sensitization in adults with allergic diseases. METHODS: Cross-sectional study, where medical records of adult patients with any allergic disease and who tested positive to airborne allergens on at least one skin test were reviewed. Age, sex, underlying allergic disease and skin test result were recorded...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28187130/detection-of-the-mosquito-borne-flaviviruses-west-nile-dengue-saint-louis-encephalitis-ilheus-bussuquara-and-yellow-fever-in-free-ranging-black-howlers-alouatta-caraya-of-northeastern-argentina
#12
María A Morales, Cintia M Fabbri, Gabriel E Zunino, Martín M Kowalewski, Victoria C Luppo, Delia A Enría, Silvana C Levis, Gladys E Calderón
Several medically important mosquito-borne flaviviruses have been detected in Argentina in recent years: Dengue (DENV), St. Louis encephalitis (SLEV), West Nile (WNV) and Yellow Fever (YFV) viruses. Evidence of Bussuquara virus (BSQV) and Ilheus virus (ILHV) activity were found, but they have not been associated with human disease. Non-human primates can act as important hosts in the natural cycle of flaviviruses and serological studies can lead to improved understanding of virus circulation dynamics and host susceptibility...
February 10, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28186686/combined-bone-marrow-derived-mesenchymal-stromal-cell-therapy-and-one-way-endobronchial-valve-placement-in-patients-with-pulmonary-emphysema-a-phase-i-clinical-trial
#13
Hugo Goulart de Oliveira, Fernanda Ferreira Cruz, Mariana Alves Antunes, Amarilio Vieira de Macedo Neto, Guilherme Augusto Oliveira, Fabio Munhoz Svartman, Tamara Borgonovo, Carmen Lucia Kuniyoshi Rebelatto, Daniel J Weiss, Paulo Roberto Slud Brofman, Marcelo Marcos Morales, José Roberto Lapa E Silva, Patricia Rieken Macedo Rocco
One-way endobronchial valves (EBV) insertion to reduce pulmonary air trapping has been used as therapy for chronic obstructive pulmonary disease (COPD) patients. However, local inflammation may result and can contribute to worsening of clinical status in these patients. We hypothesized that combined EBV insertion and intrabronchial administration of mesenchymal stromal cells (MSCs) would decrease the inflammatory process, thus mitigating EBV complications in severe COPD patients. This initial study sought to investigate the safety of this approach...
December 9, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28183058/in%C3%A2-vitro-and-in%C3%A2-vivo-investigation-of-the-genotoxic-potential-of-waters-from-rivers-under-the-influence-of-a-petroleum-refinery-s%C3%A3-o-paulo-state-brazil
#14
Raquel Vaz Hara, Maria Aparecida Marin-Morales
In recent years concern about the chemical composition of wastewater generated by the oil refining industry has increased, even after its treatment. These wastewaters contain substances that can harm both the entire aquatic ecosystem and the health of any exposed organisms. The aim of this study was to evaluate the genotoxic and mutagenic potentials of the effluent generated by the largest Brazilian petroleum refinery, the effectiveness of the treatments used by the refinery, and whether its effluent can compromise the water quality of the river where it is discarded...
January 31, 2017: Chemosphere
https://www.readbyqxmd.com/read/28172646/dop063-serial-tuberculin-skin-test-improves-the-detection-of-latent-tuberculosis-infection-in-inflammatory-bowel-disease-patients
#15
C Taxonera, A Ponferrada, F Bermejo, J P Gisbert, S Riestra, C Saro, J L Cabriada, M Barreiro-de Acosta, J Barrio, E Flores, I Ferrer, A Hernandez, M Van Domselaar, D Olivares, C Alba, L Fernández-Salazar, O Merino, B Botella, D Ceballos, I Moral, M Peñate, A Algaba
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28170370/development-of-a-gene-panel-for-next-generation-sequencing-of-clinically-relevant-mutations-in-cell-free-dna-from-cancer-patients
#16
Umberto Malapelle, Clara Mayo de-Las-Casas, Danilo Rocco, Monica Garzon, Pasquale Pisapia, Nuria Jordana-Ariza, Maria Russo, Roberta Sgariglia, Caterina De Luca, Francesco Pepe, Alejandro Martinez-Bueno, Daniela Morales-Espinosa, María González-Cao, Niki Karachaliou, Santiago Viteri Ramirez, Claudio Bellevicine, Miguel Angel Molina-Vila, Rafael Rosell, Giancarlo Troncone
BACKGROUND: When tumour tissue is unavailable, cell-free DNA (cfDNA)can serve as a surrogate for genetic analyses. Because mutated alleles in cfDNA are usually below 1%, next-generation sequencing (NGS)must be narrowed to target only clinically relevant genes. In this proof-of-concept study, we developed a panel to use in ultra-deep sequencing to identify such mutations in cfDNA. METHODS: Our panel ('SiRe') covers 568 mutations in six genes (EGFR, KRAS, NRAS, BRAF, cKIT and PDGFRα)involved in non-small-cell lung cancer (NSCLC), gastrointestinal stromal tumour, colorectal carcinoma and melanoma...
February 7, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28169069/difficulties-in-the-management-of-retinal-capillary-haemangiomas-associated-with-von-hippel-lindau-disease
#17
M Pastor-Montoro, N Hurtado-Montalbán, J A Martínez-Morales, M P Villegas-Pérez
CLINICAL CASE: A 29-year-old female with bilateral retinal capillary haemangiomas (RCH). A genetic analysis was carried out due to the suspicion of von Hippel-Lindau (VHL) disease, with negative results on 2occasions. There was progression of the RCH in the left eye, leading to a macular epiretinal membrane. The patient was treated with laser, intravitreal ranibizumab, and vitrectomy. Finally, a third genetic test detected a de novo mutation in the VHL gene, and led to the genetic diagnosis...
February 3, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28161388/estrogen-dependent-estrous-behavior-in-rabbits-is-antagonized-by-the-antiprogestin-ru486
#18
Gabriela González-Mariscal, José Antonio Gallegos, Rafael I Rueda Morales, Kurt Hoffman
Estrogen receptor-alpha (ERα) dimerizes with unliganded progesterone receptor (PR) in target tissues to trigger genomic and non-genomic effects. In ovariectomized rats the antiprogestin RU486 or antisense nucleotides against PR antagonize estradiol-induced sexual receptivity. We determined the relevance of unliganded PR for the expression of estrogen-dependent scent-marking (chinning) and sexual receptivity by injecting RU486 to: a) ovariectomized (ovx) rabbits given estradiol benzoate (EB; 5μg/day); b) intact rabbits...
February 1, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28161095/environmental-obesogen-tributyltin-chloride-leads-to-abnormal-hypothalamic-pituitary-gonadal-axis-function-by-disruption-in-kisspeptin-leptin-signaling-in-female-rats
#19
Gabriela C Sena, Leandro C Freitas-Lima, Eduardo Merlo, Priscila L Podratz, Julia F P de Araújo, Poliane A A Brandão, Maria T W D Carneiro, Marina C Zicker, Adaliene V M Ferreira, Christina M Takiya, Carolina M de Lemos Barbosa, Marcelo M Morales, Ana Paula Santos-Silva, Leandro Miranda-Alves, Ian V Silva, Jones B Graceli
Tributyltin chloride (TBT) is a xenobiotic used as a biocide in antifouling paints that has been demonstrated to induce endocrine-disrupting effects, such as obesity and reproductive abnormalities. An integrative metabolic control in the hypothalamus-pituitary-gonadal (HPG) axis was exerted by leptin. However, studies that have investigated the obesogenic TBT effects on the HPG axis are especially rare. We investigated whether metabolic disorders as a result of TBT are correlated with abnormal hypothalamus-pituitary-gonadal (HPG) axis function, as well as kisspeptin (Kiss) action...
March 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28159238/in-vitro-effects-of-tamoxifen-on-equine-neutrophils
#20
C Borlone, N Morales, C Henriquez, H Folch, C Olave, J Sarmiento, B Uberti, G Moran
Neutrophils participate in innate immunity as the first line of host defense against microorganisms. However, exacerbated neutrophil activity can be harmful to surrounding tissues; this is important in a range of diseases, including allergic asthma and chronic obstructive pulmonary disease in humans, and equine asthma (also known as recurrent airway obstruction (RAO). Tamoxifen (TX) is a non-steroidal estrogen receptor modulator with effects on cell growth and survival. Previous preliminary studies showed that TX treatment in horses with induced acute pulmonary inflammation promoted early apoptosis of blood and BALF neutrophils, reduction of BALF neutrophils, and improvement in animals' clinical status...
February 2017: Research in Veterinary Science
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