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Genetic testing ethics

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https://www.readbyqxmd.com/read/28071731/in-silico-experiments-of-zebrafish-behaviour-modeling-swimming-in-three-dimensions
#1
Violet Mwaffo, Sachit Butail, Maurizio Porfiri
Zebrafish is fast becoming a species of choice in biomedical research for the investigation of functional and dysfunctional processes coupled with their genetic and pharmacological modulation. As with mammals, experimentation with zebrafish constitutes a complicated ethical issue that calls for the exploration of alternative testing methods to reduce the number of subjects, refine experimental designs, and replace live animals. Inspired by the demonstrated advantages of computational studies in other life science domains, we establish an authentic data-driven modelling framework to simulate zebrafish swimming in three dimensions...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070590/-automated-parturition-control-in-primi-and-multiparous-cows-of-a-simmental-and-holstein-crossbred-herd
#2
Matthias Dippon, Wolfram Petzl, Dorothee Lange, Holm Zerbe
BACKGROUND AND OBJECTIVE: Perinatal calf mortality is a current problem in dairy farming with regards to ethics and economic losses. Optimizing calving management by frequent monitoring helps increasing the survival rate. The objective of this study was to evaluate the breed and parity dependent applicability of a recently introduced automated parturition control system with regards to its reliability in the field. MATERIAL AND METHODS: Seven days prior to the calculated calving date the automated parturition control system was applied intravaginally in 23 primiparous and 31 multiparous cows in a Holstein-Friesian (HF) and Simmental (FV) crossbred herd...
January 10, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/28066799/the-study-protocol-for-a-non-randomized-controlled-clinical-trial-using-a-genotype-guided-strategy-in-a-dataset-of-patients-who-undergone-percutaneous-coronary-intervention-with-stent
#3
Cristina Lucía Dávila-Fajardo, Jesús Sánchez-Ramos, Xando Diaz- Villamarín, Luis Javier Martínez-González, Pablo Toledo Frías, Susana Martínez Huertas, Francisco Burillo Gómez, Juan Caballero Borrego, Alicia Bautista Pavés, Mª Carmen Marín Guzmán, José Antonio Ramirez Hernández, Concepción Correa Vilches, Jose Cabeza Barrera
This article contains data related to the research article entitled "Results of genotype-guided antiplatelet therapy in patients undergone percutaneous coronary intervention with stent" (J. Sánchez-Ramos, C.L. Dávila-Fajardo, P. Toledo Frías, X. Díaz Villamarín, L.J. Martínez-González, S. Martínez Huertas, F. Burillo Gómez, J. Caballero Borrego, A. Bautista Pavés, M.C. Marín Guzmán, J.A. Ramirez Hernández, C. Correa Vilches, J. Cabeza Barrera, 2016) (1). This data article reports, for the first time, about the non-randomized clinical trial protocol that check if CYP2C19/ABCB1 genotype-guided strategy in which the choice of antiplatelet therapy is based on the genetic test, reduces the rates of cardiovascular events and bleeding compared to a non-tailored strategy in patients undergone percutaneous coronary intervention (PCI) with stent...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/28062062/whole-genome-sequencing-in-healthy-people
#4
REVIEW
Noralane M Lindor, Stephen N Thibodeau, Wylie Burke
Recent technological advances have radically changed genetic testing from an expensive and burdensome undertaking to a rapid and less costly option for many purposes. The utility of "next-generation" sequencing has been found to establish the diagnosis for hundreds of genetic disorders, to assess pharmacogenomic variants, and to identify treatable targets within malignant neoplasms. The ready availability of genomic information has led to the question of whether there would be clinical benefit of sequencing the genome of individuals who are not seeking a diagnosis, that is, genomic screening in generally healthy people, to provide anticipatory insights for their health care...
January 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28051073/psychological-and-behavioural-impact-of-returning-personal-results-from-whole-genome-sequencing-the-healthseq-project
#5
Saskia C Sanderson, Michael D Linderman, Sabrina A Suckiel, Randi Zinberg, Melissa Wasserstein, Andrew Kasarskis, George A Diaz, Eric E Schadt
Providing ostensibly healthy individuals with personal results from whole-genome sequencing could lead to improved health and well-being via enhanced disease risk prediction, prevention, and diagnosis, but also poses practical and ethical challenges. Understanding how individuals react psychologically and behaviourally will be key in assessing the potential utility of personal whole-genome sequencing. We conducted an exploratory longitudinal cohort study in which quantitative surveys and in-depth qualitative interviews were conducted before and after personal results were returned to individuals who underwent whole-genome sequencing...
January 4, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27995427/primary-care-providers-cancer-genetic-testing-related-knowledge-attitudes-and-communication-behaviors-a-systematic-review-and-research-agenda
#6
Jada G Hamilton, Ekland Abdiwahab, Heather M Edwards, Min-Lin Fang, Andrew Jdayani, Erica S Breslau
BACKGROUND: Primary care providers (PCPs) can play a critical role in helping patients receive the preventive health benefits of cancer genetic risk information. Thus, the objective of this systematic review was to identify studies of US PCPs' knowledge, attitudes, and communication-related behaviors regarding genetic tests that could inform risk-stratification approaches for breast, colorectal, and prostate cancer screening in order to describe current findings and research gaps. METHODS: We conducted a systematic search of six electronic databases to identify peer-reviewed empirical articles relating to US PCPs and genetic testing for breast, colorectal, or prostate cancer published in English from 2008 to 2016...
December 19, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27969037/animal-models-in-genomic-research-techniques-applications-and-roles-for-nurses
#7
Nicole D Osier, Lan Pham, Amanda Savarese, Kendra Sayles, Sheila A Alexander
Animal research has been conducted by scientists for over two millennia resulting in a better understanding of human anatomy, physiology, and pathology, as well as testing of novel therapies. In the molecular genomic era, pre-clinical models represent a key tool for understanding the genomic underpinnings of health and disease and are relevant to precision medicine initiatives. Nurses contribute to improved health by collecting and translating evidence from clinically relevant pre-clinical models. Using animal models, nurses can ask questions that would not be feasible or ethical to address in humans, and establish the safety and efficacy of interventions before translating them to clinical trials...
November 2016: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/27939182/implementing-precision-medicine-the-ethical-challenges
#8
REVIEW
Diane M Korngiebel, Kenneth E Thummel, Wylie Burke
Precision medicine aims to individualize care by understanding differences in genetics, lifestyle, and environment. Pharmacogenomics and cancer genetics represent two promising areas for this approach. Pharmacogenomic tests have the potential to direct drug prescribing to increase safety and effectiveness because individuals vary on a genetic basis in their response to many drugs. Similarly, tests to identify people with an inherited cancer risk can guide prevention. For both, a few tests have entered clinical practice and more are under development...
January 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/27932684/standardizing-the-microbiota-of-fish-used-in-research
#9
REVIEW
I N Vatsos
Little attention has been paid to the effects of fish microbiotas on the reproducibility and comparability of fish studies so far. Extrinsic and intrinsic factors, such as water quality, environmental microbial populations, diet, host genetic profile, gender, age and stress status, affect fish microbiotas and create significant inter- and intra-species variations. Fish microbiotas play critical roles in many key aspects of host physiology, such as protection against pathogens, digestion and development of the digestive tract and the local immune system...
December 8, 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27922504/genetic-testing-of-presymptomatic-individuals-at-risk-for-progressive-myopathy
#10
Zachary Simmons
Patients and their family members often ask about genetic testing for asymptomatic individuals who are at risk for developing a genetic disorder. Ordering a genetic test is a complex process involving consideration of many basic ethical principles including autonomy, beneficence, and nonmaleficence, as well as the physician's duty to act in the patient's best interest. Physicians have many choices regarding what tests to order, and they must develop the knowledge and skills to best discuss genetic testing with their patients...
December 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27910804/sudden-cardiac-death-a-nationwide-cohort-study-among-the-young
#11
Bjarke Risgaard
Sudden cardiac death (SCD) is a tragic event affecting millions of individuals worldwide. Although several studies have investigated the epidemiology of SCD, these studies may have been affected by reporting and referral biases, which are reflected in the very different incidence rates and causes of deaths that have previously been reported. Among SCD victims aged < 36 years, inherited cardiac diseases are well known to play an important role. However, the extent to which inherited cardiac diseases also play a role in SCD victims aged < 50 years has not been completely described...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27903825/synthetic-biology-routes-to-bio-artificial-intelligence
#12
REVIEW
Darren N Nesbeth, Alexey Zaikin, Yasushi Saka, M Carmen Romano, Claudiu V Giuraniuc, Oleg Kanakov, Tetyana Laptyeva
The design of synthetic gene networks (SGNs) has advanced to the extent that novel genetic circuits are now being tested for their ability to recapitulate archetypal learning behaviours first defined in the fields of machine and animal learning. Here, we discuss the biological implementation of a perceptron algorithm for linear classification of input data. An expansion of this biological design that encompasses cellular 'teachers' and 'students' is also examined. We also discuss implementation of Pavlovian associative learning using SGNs and present an example of such a scheme and in silico simulation of its performance...
November 30, 2016: Essays in Biochemistry
https://www.readbyqxmd.com/read/27900742/-precision-nursing-individual-based-knowledge-translation
#13
Li-Chi Chiang, Mei-Ling Yeh, Sui-Lung Su
U.S. President Obama announced a new era of precision medicine in the Precision Medicine Initiative (PMI). This initiative aims to accelerate the progress of personalized medicine in light of individual requirements for prevention and treatment in order to improve the state of individual and public health. The recent and dramatic development of large-scale biologic databases (such as the human genome sequence), powerful methods for characterizing patients (such as genomics, microbiome, diverse biomarkers, and even pharmacogenomics), and computational tools for analyzing big data are maximizing the potential benefits of precision medicine...
December 2016: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/27899345/ethics-of-genetic-testing-and-research-in-sport-a-position-statement-from-the-australian-institute-of-sport
#14
Nicole Vlahovich, Peter A Fricker, Matthew A Brown, David Hughes
As Australia's peak high-performance sport agency, the Australian Institute of Sport (AIS) has developed this position statement to address the implications of recent advances in the field of genetics and the ramifications for the health and well-being of athletes. Genetic testing has proven of value in the practice of clinical medicine. There are, however, currently no scientific grounds for the use of genetic testing for athletic performance improvement, sport selection or talent identification. Athletes and coaches should be discouraged from using direct-to-consumer genetic testing because of its lack of validation and replicability and the lack of involvement of a medical practitioner in the process...
January 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27884969/ethics-knowledge-of-recent-paediatric-residency-graduates-the-role-of-residency-ethics-curricula
#15
Jennifer C Kesselheim, Julie Najita, Debra Morley, Elizabeth Bair, Steven Joffe
OBJECTIVE: To evaluate the relationship between recently trained paediatricians' ethics knowledge and exposure to a formal ethics or professionalism curriculum during residency. METHODS: We conducted a cross-sectional survey of recently trained paediatricians which included a validated 23-item instrument called the Test of Residents' Ethics Knowledge for Pediatrics. The sample included paediatricians who completed medical school in 2006-2008, whose primary specialty was paediatrics or a paediatric subspecialty, and who completed paediatric residency training in 2010-2011...
December 2016: Journal of Medical Ethics
https://www.readbyqxmd.com/read/27852683/potential-of-human-twin-embryos-generated-by-embryo-splitting-in-assisted-reproduction-and-research
#16
REVIEW
Laila Noli, Caroline Ogilvie, Yacoub Khalaf, Dusko Ilic
BACKGROUND: Embryo splitting or twinning has been widely used in veterinary medicine over 20 years to generate monozygotic twins with desirable genetic characteristics. The first human embryo splitting, reported in 1993, triggered fierce ethical debate on human embryo cloning. Since Dolly the sheep was born in 1997, the international community has acknowledged the complexity of the moral arguments related to this research and has expressed concerns about the potential for reproductive cloning in humans...
November 16, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27849442/to-genotype-or-phenotype-for-personalized-medicine-cyp450-drug-metabolizing-enzyme-genotype-phenotype-concordance-and-discordance-in-the-ecuadorian-population
#17
Fernando De Andrés, Santiago Terán, Francisco Hernández, Enrique Terán, Adrián LLerena
Genetic variations within the cytochrome P450 (CYP450) superfamily of drug metabolizing enzymes confer substantial person-to-person and between-population differences in pharmacokinetics, and by extension, highly variable clinical effects of medicines. In this context, "personalized medicine," "precision medicine," and "stratified medicine" are related concepts attributed to what is essentially targeted therapeutics and companion diagnostics, aimed at improving safety and effectiveness of health interventions...
December 2016: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/27822876/leaves-imitate-trees-minnesota-hmong-concepts-of-heredity-and-applications-to-genomics-research
#18
Kathleen A Culhane-Pera, MaiKia Moua, Pachia Vue, Kang Xiaaj, May Xia Lo, Robert J Straka
Historically, Hmong refugees in the USA were distrustful of Western medicine, medicines, and medical research due to concerns about harm and experimentation. Current Hmong concerns about genomics research are not well known. Our research aims were to identify cultural and ethical issues about conducting genomic studies in the Hmong community. Using a community-based participatory action process, the West Side Hmong Genomics Research Board conducted a qualitative exploratory research study that included semistructured interviews with five Hmong key informants and five focus groups with 42 Hmong adults near Saint Paul, Minnesota...
November 7, 2016: Journal of Community Genetics
https://www.readbyqxmd.com/read/27818635/pharmacogenetics-and-predictive-testing-of-drug-hypersensitivity-reactions
#19
REVIEW
Ruwen Böhm, Ingolf Cascorbi
Adverse drug reactions adverse drug reaction (ADR) occur in approximately 17% of patients. Avoiding ADR is thus mandatory from both an ethical and an economic point of view. Whereas, pharmacogenetics changes of the pharmacokinetics may contribute to the explanation of some type A reactions, strong relationships of genetic markers has also been shown for drug hypersensitivity belonging to type B reactions. We present the classifications of ADR, discuss genetic influences and focus on delayed-onset hypersensitivity reactions, i...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27763635/genetics-genomics-education-for-nongenetic-health-professionals-a-systematic-literature-review
#20
Divya Talwar, Tung-Sung Tseng, Margaret Foster, Lei Xu, Lei-Shih Chen
PURPOSE: The completion of the Human Genome Project has enhanced avenues for disease prevention, diagnosis, and management. Owing to the shortage of genetic professionals, genetics/genomics training has been provided to nongenetic health professionals for years to establish their genomic competencies. We conducted a systematic literature review to summarize and evaluate the existing genetics/genomics education programs for nongenetic health professionals. METHODS: Five electronic databases were searched from January 1990 to June 2016...
October 20, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
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