Dataset Information

Developing a conceptual, reproducible, rubric-based approach to consent and result disclosure for genetic testing by clinicians with minimal genetics background.

ABSTRACT: PURPOSE:In response to genetic testing being widely ordered by nongenetics clinicians, the Consent and Disclosure Recommendations (CADRe) Workgroup of the Clinical Genome Resource (ClinGen; clinicalgenome.org ) developed guidance to facilitate communication about genetic testing and efficiently improve the patient experience. Considering ethical, legal, and social implications, and medical factors, CADRe developed and pilot tested two rubrics addressing consent for genetic testing and results disclosure. The CADRe rubrics allow for adjusting the communication approach based on circumstances specific to patients and ordering clinicians. METHODS:We present results of a formative survey of 66 genetics clinicians to assess the consent rubric for nine genes (MLH1, CDH1, TP53, GJB2, OTC; DMD, HTT, and CYP2C9/VKORC1). We also conducted interviews and focus groups with family and patient stakeholders (N?=?18), nongenetics specialists (N?=?27), and genetics clinicians (N?=?32) on both rubrics. RESULTS:Formative evaluation of the CADRe rubrics suggests key factors on which to make decisions about consent and disclosure discussions for a "typical" patient. CONCLUSION:We propose that the CADRe rubrics include the primary issues necessary to guide communication recommendations, and are ready for pilot testing by nongenetics clinicians. Consultation with genetics clinicians can be targeted toward more complex or intensive consent and disclosure counseling.

SUBMITTER: Ormond KE

PROVIDER: S-EPMC6320736 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Developing a conceptual, reproducible, rubric-based approach to consent and result disclosure for genetic testing by clinicians with minimal genetics background.

Ormond Kelly E KE Hallquist Miranda L G MLG Buchanan Adam H AH Dondanville Danielle D Cho Mildred K MK Smith Maureen M Roche Myra M Brothers Kyle B KB Coughlin Curtis R CR Hercher Laura L Hudgins Louanne L Jamal Seema S Levy Howard P HP Raskin Misha M Stosic Melissa M Uhlmann Wendy W Wain Karen E KE Currey Erin E Faucett W Andrew WA

Genetics in medicine : official journal of the American College of Medical Genetics 20180706 3

<h4>Purpose</h4>In response to genetic testing being widely ordered by nongenetics clinicians, the Consent and Disclosure Recommendations (CADRe) Workgroup of the Clinical Genome Resource (ClinGen; clinicalgenome.org ) developed guidance to facilitate communication about genetic testing and efficiently improve the patient experience. Considering ethical, legal, and social implications, and medical factors, CADRe developed and pilot tested two rubrics addressing consent for genetic testing and re ...[more]

PMID: 29976988

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Project description:Neuroligin-3 (NLGN3) is a postsynaptic cell adhesion protein that interacts with presynaptic ligands including neurexin-1 (NRXN1) [Ichtchenko et al., Journal of Biological Chemistry, 271, 2676-2682, 1996]. Mice harboring a mutation in the NLGN3 gene (NL3R451C) mimicking a mutation found in two brothers with autism spectrum disorder (ASD) were previously generated and behaviorally phenotyped for autism-related behaviors. In these NL3R451C mice generated and tested on a hybrid C57BL6J/129S2/SvPasCrl background, we observed enhanced spatial memory and reduced social interaction [Tabuchi et al., Science, 318, 71-76, 2007]. Curiously, an independently generated second line of mice harboring the same mutation on a C57BL6J background exhibited minimal aberrant behavior, thereby providing apparently discrepant results. To investigate the origin of the discrepancy, we previously replicated the original findings of Tabuchi et al. by studying the same NL3R451C mutation on a pure 129S2/SvPasCrl genetic background. Here we complete the behavioral characterization of the NL3R451C mutation on a pure C57BL6J genetic background to determine if background genetics play a role in the discrepant behavioral outcomes involving NL3R451C mice. NL3R451C mutant mice on a pure C57BL6J background did not display spatial memory enhancements or social interaction deficits. We only observed a decreased startle response and mildly increased locomotor activity in these mice suggesting that background genetics influences behavioral outcomes involving the NL3R451C mutation. Autism Res 2018, 11: 234-244. © 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY:Behavioral symptoms of autism can be highly variable, even in cases that involve identical genetic mutations. Previous studies in mice with a mutation of the Neuroligin-3 gene showed enhanced learning and social deficits. We replicated these findings on the same and different genetic backgrounds. In this study, however, the same mutation in mice on a different genetic background did not reproduce our previous findings. Our results suggest that genetic background influences behavioral symptoms of this autism-associated mutation.

Project description:Endocannabinoids and some phytocannabinoids bind to CB1 and CB2 cannabinoid receptors, transient receptor potential vanilloid one (TRPV1) receptor and the orphan G protein receptor fifty-five (GPR55). Studies using C57BL/10 and C57BL/6 (Cnr2 (tm1Zim)) CB2 cannabinoid receptor knockout mice have demonstrated an immune-augmenting effect in experimental autoimmune encephalomyelitis (EAE) models of multiple sclerosis. However, other EAE studies in Biozzi ABH mice often failed to show any treatment effect of either CB2 receptor agonism or antagonism on inhibition of T cell autoimmunity. The influence of genetic background on the induction of EAE in endocannabinoid system-related gene knockout mice was examined. It was found that C57BL/6.GPR55 knockout mice developed less severe disease, notably in female mice, following active induction with myelin oligodendrocyte glycoprotein 35-55 peptide. In contrast C57BL/6.CB2 (Cnr2 (Dgen)) receptor knockout mice developed augmented severity of disease consistent with the genetically and pharmacologically-distinct, Cnr2 (tm1Zim) mice. However, when the knockout gene was bred into the ABH mouse background and EAE induced with spinal cord autoantigens the immune-enhancing effect of CB2 receptor deletion was lost. Likewise CB1 receptor and transient receptor potential vanilloid one knockout mice on the ABH background demonstrated no alteration in immune-susceptibility, in terms of disease incidence and severity of EAE, in contrast to that reported in some C57BL/6 mouse studies. Furthermore the immune-modulating influence of GPR55 was marginal on the ABH mouse background. Whilst sedative doses of tetrahydrocannabinol could induce immunosuppression, this was associated with a CB1 receptor rather than a CB2 receptor-mediated effect. These data support the fact that non-psychoactive doses of medicinal cannabis have a marginal influence on the immune response in MS. Importantly, it adds a note of caution for the translational value of some transgenic/gene knockout and other studies on low-EAE susceptibility backgrounds with inconsistent disease course and susceptibility.

Project description:ObjectivesSeeking consent for minimal risk research in the ICU poses challenges, especially when the research is time-sensitive. Our aim was to determine the extent to which ICU patients or surrogates support a deferred consent process for a minimal risk study without the potential for direct benefit.DesignProspective cohort study.SettingFive ICUs within a tertiary care hospital.PatientsNewly admitted ICU patients 18 years old or older.InterventionsWe administered an eight-item verbal survey to patients or surrogates approached for consent to participate in a minimal risk, ICU-based study. The parent study involved noninvasive collection of biosamples and clinical data at the time of ICU admission and again 3 days later. If patients had capacity at the time of ICU admission, or if a surrogate was readily available, consent was sought prior to initial sample collection; otherwise, a waiver of consent was granted, and deferred consent was sought 3 days later. Quantitative and qualitative data were analyzed.Measurements and main resultsOne hundred fifty-seven individuals were approached for consent to participate in the parent study; none objected to the consent process. One hundred thirty-five of 157 (86%) competed the survey, including 94 who consented to the parent study and 41 who declined. Forty-four of 60 individuals (73%) approached for deferred consent responded positively to the question "Did we make the right choice in waiting until now to ask your consent?" three of 60 (5%) responded negatively, and 13 of 60 (22%) made a neutral or unrelated response. The most common reason given for endorsing the deferred consent process was the stress of the early ICU experience 25 of 44 (61%).ConclusionsMost patients and surrogates accept a deferred consent process for minimal risk research in the ICU. For appropriate ICU-based research, investigators and Institutional Review Boards should consider a deferred consent process if the subject lacks capacity and an appropriate surrogate is not readily available.

Dataset Information

Developing a conceptual, reproducible, rubric-based approach to consent and result disclosure for genetic testing by clinicians with minimal genetics background.

Publications

Developing a conceptual, reproducible, rubric-based approach to consent and result disclosure for genetic testing by clinicians with minimal genetics background.

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