Publications by authors named "Cornel M"

Following the discovery of the CRISPR-Cas technology in 2012, there has been a growing global call for public engagement regarding the potential use of human germline gene editing (HGGE). In this systematic scoping review, we aim to evaluate public engagement studies considering the following questions based on three points of attention: 1) Inclusion of underrepresented groups: who have been engaged? 2) Gathering values: what output has been reported? 3) Reaching societal impact: what objectives of public engagement have been reported? A systematic literature search from 2012 to 2023 identified 3464 articles reporting on public engagement studies regarding HGGE retrieved from 12 databases. After screening, 52 full-text articles were assessed for eligibility, resulting in 36 articles that cover 31 public engagement studies.

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Introduction: Personalised prevention using genomic information requires active involvement from patients and the public, who should be well-informed and empowered to make healthcare decisions that reflect their personal values. We aimed to map engagement practises, and assess the extent and types of engagement methods used in the field of personalised prevention of common chronic conditions using genomic information.

Methods: A scoping review on selected literature (in Medline, Embase, Scopus, Web of Science, APA PsycINFO, and IBSS) from 2015 to 2023 was performed.

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Background: Advances in understanding the etiology of intellectual disability (ID) has led to insights in potential (targeted) treatments and personalized care. Implications of ID on health are often complex and require a multidisciplinary approach. The aim was to investigate the reporting of genetic diagnoses in multidisciplinary ID care and to identify associated clinical and demographic factors.

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Background: The online offer of commercial genetic tests, also called direct-to-consumer genetic tests (DTC-GTs), enables citizens to gain insight into their health and disease risk based on their genetic profiles. DTC-GT offers often consist of a combination of services or aspects, including advertisements, information, DNA analysis, and medical or lifestyle advice. The risks and benefits of DTC-GT services have been debated and studied extensively, but instruments that assess DTC-GT services and aid policy are lacking.

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Article Synopsis
  • Genetic screening is increasingly available in many countries during various life stages, aiming to enhance reproductive autonomy and improve health outcomes.
  • As technology advances, more conditions are being included in organized screening programs, particularly in prenatal and neonatal settings.
  • However, this rise in genetic testing raises important ethical and logistical concerns, including data management and equitable access to screening services.
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: Previous studies have suggested that information offered by sellers of health-related direct-to-consumer genetic tests (DTC-GTs) is often incomplete, unbalanced, or too difficult to understand. The extent to which this is the case for sellers accessible to Dutch consumers has not previously been studied. : The present study aimed to assess the completeness, balance, readability, and findability of informational content on a selection of websites from several health-related DTC-GT sellers accessible to Dutch consumers.

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Research Question: What are the main arguments of reproductive healthcare providers in favour or against their involvement in offering expanded carrier screening (ECS) for recessive disorders at fertility clinics in the Netherlands?

Design: Semi-structured interview study with 20 reproductive healthcare providers between May 2020 and January 2021. Participants included 11 gynaecologists, seven fertility doctors, one nurse practitioner and one clinical embryologist, recruited from academic medical centres (n = 13), peripheral facilities associated with academic centres (n = 4), and independent fertility treatment centres (n = 3) in the Netherlands. An interview guide was developed, and thematic content analysis was performed using ATLAS.

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Article Synopsis
  • Rare genetic neurodevelopmental disorders with intellectual disabilities need continuous multidisciplinary care, and developing effective clinical practice guidelines for these conditions is challenging.
  • A systematic review evaluated the quality and characteristics of 70 published guidelines addressing 28 different rare genetic intellectual disabilities, revealing inconsistent methodological rigor and stakeholder involvement.
  • The study concludes that there is a need for higher-quality guidelines that involve affected individuals and families, employ sound development methods, and address implementation to improve clinical practices.
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Rationale: Loss-of-function (LoF) mutations in result in neurologic abnormalities due to -methyl-D-aspartate receptor (NMDAR) dysfunction. Affected persons present with various symptoms, including intellectual developmental disability (IDD), hypotonia, communication deficits, motor impairment, complex behavior, seizures, sleep disorders and gastrointestinal disturbance. Recently, experiments showed that D-serine mitigates function to GluN2B (mutation)-containing NMDARs.

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This white paper was prepared by the Global Alliance for Genomics and Health Regulatory and Ethics Work Stream's Pediatric Task Team to review and provide perspective with respect to ethical, legal, and social issues regarding the return of secondary pharmacogenomic variants in children who have a serious disease or developmental disorder and are undergoing exome or genome sequencing to identify a genetic cause of their condition. We discuss actively searching for and reporting pharmacogenetic/genomic variants in pediatric patients, different methods of returning secondary pharmacogenomic findings to the patient/parents and/or treating clinicians, maintaining these data in the patient's health record over time, decision supports to assist using pharmacogenetic results in future treatment decisions, and sharing information in public databases to improve the clinical interpretation of pharmacogenetic variants identified in other children. We conclude by presenting a series of points to consider for clinicians and policymakers regarding whether, and under what circumstances, routine screening and return of pharmacogenomic variants unrelated to the indications for testing is appropriate in children who are undergoing genome-wide sequencing to assist in the diagnosis of a suspected genetic disease.

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The implementation of next-generation sequencing (NGS) in diagnostic practice has stimulated ongoing debates on how to construct and perform "good" genomic care. Our multi-sited qualitative fieldwork at two large European centres for human genetics (CHGs) revealed tangible ambivalence in beliefs, norms, and actions in the enactment of NGS practices across sites stemming from differing expectations, interests, demands, and tensions. First, ambivalence was present around the boundaries of clinical diagnostic genetic care.

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Article Synopsis
  • There are big ethical and social issues with changing human genes, so it's really important to involve everyone in discussions about it.
  • This text suggests using "what if" questions to help imagine different future scenarios instead of jumping straight to "should we do this?" or "how do we do this?"
  • By thinking about various futures, we can better understand what people care about and make sure everyone’s opinions are included in the conversation.
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  • Pharmacogenomic testing aims to reduce adverse drug reactions by tailoring medication based on genetic factors, particularly concerning statin treatments.* -
  • This study examined the impact of the c.521T>C genetic variant on statin therapy changes among 1,136 Dutch statin users, analyzing their treatment adjustments over three years.* -
  • The research found no significant link between the c.521T>C genotype and changes in statin use, indicating a need for better data collection on adverse reactions to evaluate the genetic influence.*
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The total uptake of prenatal aneuploidy screening for Down syndrome (DS) is increasing worldwide. As a result of increasing prenatal diagnosis of DS and subsequent termination of pregnancy, livebirth prevalence of DS is decreasing. The aim of this study is to explore the impact of an increasing uptake of prenatal aneuploidy screening on the neonatal mortality and morbidity in DS.

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Reproductive and genetic medicine are evolving rapidly, and new technologies are already impacting current practices. This includes technologies that can identify a couples' risk of having a child with a genetic disorder. Responsible implementation of new technologies requires evaluation of safety and ethics.

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Population-based genomic research is expected to deliver substantial public health benefits. National genomics initiatives are widespread, with large-scale collection and research of human genomic data. To date, little is known about the actual public health benefit that is yielded from such initiatives.

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  • A study in the Netherlands looked at how talking to people about Human Germline Genome Editing (HGGE) changed their opinions on it.* -
  • Most people agreed that HGGE should be used to stop serious genetic diseases, but not as much for other purposes like fighting infections or making people "better."* -
  • Talking about HGGE didn't really change most people's views, but it helped some understand it better and consider other opinions.*
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Neonatal bloodspot screening (NBS) aims to detect treatable disorders in newborns. The number of conditions included in the screening is expanding through technological and therapeutic developments, which can result in health gain for more newborns. NBS expansion, however, also poses healthcare, ethical and societal challenges.

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In 2020, the Nobel Prize in Chemistry was awarded to American molecular biologist Jennifer Doudna and her French colleague Emmanuelle Charpentier for their fundamental research on CRISPR, an ingenious bacterial immune system. Studies into the working mechanism of CRISPR led to many Eureka moments. Through smart biotechnological engineering, CRISPR became suitable for applications in 'DNA surgery': the targeted editing of the genetic code.

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