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American Journal of Medical Genetics. Part C, Seminars in Medical Genetics

https://read.qxmd.com/read/37746749/healthy-transition-roadmap-for-young-adults-with-down-syndrome-to-adulthood
#1
REVIEW
Maya Weaver, Andrew McCormick
Healthcare transition is the purposeful and planned process for preparing young adults with Down syndrome for an adult oriented healthcare system. Significant gaps of a delayed, incomplete, siloed and decentered transition can be avoided when transition is approached in a longitudinal and holistic manner. Young adults with Down syndrome are specifically vulnerable to these gaps as the combination of intellectual differences and healthcare complexity leads to the need for a process that allows for appropriate preparation to develop the skills and process for an appropriate...
September 25, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37740458/sustainability-of-personal-social-networks-of-people-with-down-syndrome
#2
JOURNAL ARTICLE
Ayesha Harisinghani, Amar Dhand, Ellen Hollands Steffensen, Brian G Skotko
Research continues to demonstrate that the characteristics of one's social network could have an impact on the development of Alzheimer's disease. Given the predisposition of people with Down syndrome to develop Alzheimer's disease, analysis of their social networks has become an emerging focus. Previous pilot research demonstrated that the personal networks of people with DS could be quantitatively analyzed, with no difference between self-report and parent-proxy report. This manuscript focuses on a 12-month follow-up period with the same original participants (24 adults with Down syndrome)...
September 22, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37654076/integration-of-episign-facial-phenotyping-and-likelihood-ratio-interpretation-of-clinical-abnormalities-in-the-re-classification-of-an-arid1b-missense-variant
#3
Caitlin Forwood, Katie Ashton, Ying Zhu, Futao Zhang, Kerith-Rae Dias, Krystle Standen, Carey-Anne Evans, Louise Carey, Michael Cardamone, Carolyn Shalhoub, Hala Katf, Carlos Riveros, Tzung-Chien Hsieh, Peter Krawitz, Peter N Robinson, Tracy Dudding-Byth, Bekim Sadikovic, Jason Pinner, Michael F Buckley, Tony Roscioli
Heterozygous ARID1B variants result in Coffin-Siris syndrome. Features may include hypoplastic nails, slow growth, characteristic facial features, hypotonia, hypertrichosis, and sparse scalp hair. Most reported cases are due to ARID1B loss of function variants. We report a boy with developmental delay, feeding difficulties, aspiration, recurrent respiratory infections, slow growth, and hypotonia without a clinical diagnosis, where a previously unreported ARID1B missense variant was classified as a variant of uncertain significance...
August 31, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37606000/is-artificial-intelligence-getting-too-much-credit-in-medical-genetics
#4
JOURNAL ARTICLE
Imen F Alkuraya
Artificial intelligence has lately proven useful in the field of medical genetics. It is already being used to interpret genome sequences and diagnose patients based on facial recognition. More recently, large-language models (LLMs) such as ChatGPT have been tested for their capacity to provide medical genetics information. It was found that ChatGPT performed similarly to human respondents in factual and critical thinking questions, albeit with reduced accuracy in the latter. In particular, ChatGPT's performance in questions related to calculating the recurrence risk was dismal, despite only having to deal with a single disease...
August 22, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37584245/computational-facial-analysis-for-rare-mendelian-disorders
#5
REVIEW
Tzung-Chien Hsieh, Peter M Krawitz
With the advances in computer vision, computational facial analysis has become a powerful and effective tool for diagnosing rare disorders. This technology, also called next-generation phenotyping (NGP), has progressed significantly over the last decade. This review paper will introduce three key NGP approaches. In 2014, Ferry et al. first presented Clinical Face Phenotype Space (CFPS) trained on eight syndromes. After 5 years, Gurovich et al. proposed DeepGestalt, a deep convolutional neural network trained on more than 21,000 patient images with 216 disorders...
August 16, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37565625/artificial-intelligence-and-the-impact-on-medical-genetics
#6
JOURNAL ARTICLE
Benjamin D Solomon, Wendy K Chung
Virtually all areas of biomedicine will be increasingly affected by applications of artificial intelligence (AI). We discuss how AI may affect fields of medical genetics, including both clinicians and laboratorians. In addition to reviewing the anticipated impact, we provide recommendations for ways in which these groups may want to evolve in light of the influence of AI. We also briefly discuss how educational and training programs can play a key role in preparing the future workforce given these anticipated changes...
August 10, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37534870/application-of-facial-analysis-technology-in-clinical-genetics-considerations-for-diverse-populations
#7
REVIEW
Paul Kruszka, Cedrik Tekendo-Ngongang
Facial analysis technology in rare diseases has the potential to shorten the diagnostic odyssey by providing physicians with a valuable diagnostic tool. Given that most clinical genetic resources focus on populations of European descent, we compare craniofacial features in genetic syndromes across different populations and review how machine learning algorithms perform on diagnosing genetic syndromes in geographically and ethnically diverse populations. We also discuss the value of populations from ancestrally diverse backgrounds in the training set of machine learning algorithms...
August 3, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37534867/development-of-webcam-collected-and-artificial-intelligence-derived-social-and-cognitive-performance-measures-for-neurodevelopmental-genetic-syndromes
#8
JOURNAL ARTICLE
Thomas W Frazier, Robyn M Busch, Patricia Klaas, Katherine Lachlan, Shafali Jeste, Alexander Kolevzon, Eva Loth, Jacqueline Harris, Leslie Speer, Tom Pepper, Kristin Anthony, Graglia J Michael, Christal G Delagrammatikas, Sandra Bedrosian-Sermone, Constance Smith-Hicks, Katie Huba, Robert Longyear, LeeAnne Green-Snyder, Frederick Shic, Mustafa Sahin, Charis Eng, Antonio Y Hardan, Mirko Uljarević
This study focused on the development and initial psychometric evaluation of a set of online, webcam-collected, and artificial intelligence-derived patient performance measures for neurodevelopmental genetic syndromes (NDGS). Initial testing and qualitative input was used to develop four stimulus paradigms capturing social and cognitive processes, including social attention, receptive vocabulary, processing speed, and single-word reading. The paradigms were administered to a sample of 375 participants, including 163 with NDGS, 56 with idiopathic neurodevelopmental disability (NDD), and 156 neurotypical controls...
August 3, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37507620/applications-of-artificial-intelligence-in-clinical-laboratory-genomics
#9
REVIEW
Swaroop Aradhya, Flavia M Facio, Hillery Metz, Toby Manders, Alexandre Colavin, Yuya Kobayashi, Keith Nykamp, Britt Johnson, Robert L Nussbaum
The transition from analog to digital technologies in clinical laboratory genomics is ushering in an era of "big data" in ways that will exceed human capacity to rapidly and reproducibly analyze those data using conventional approaches. Accurately evaluating complex molecular data to facilitate timely diagnosis and management of genomic disorders will require supportive artificial intelligence methods. These are already being introduced into clinical laboratory genomics to identify variants in DNA sequencing data, predict the effects of DNA variants on protein structure and function to inform clinical interpretation of pathogenicity, link phenotype ontologies to genetic variants identified through exome or genome sequencing to help clinicians reach diagnostic answers faster, correlate genomic data with tumor staging and treatment approaches, utilize natural language processing to identify critical published medical literature during analysis of genomic data, and use interactive chatbots to identify individuals who qualify for genetic testing or to provide pre-test and post-test education...
July 28, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37296540/unmasking-the-challenges-of-kabuki-syndrome-in-adulthood-a-case-series
#10
JOURNAL ARTICLE
Jessica R C Priestley, Alyssa L Rippert, Courtney Condit, Kosuke Izumi, Staci Kallish, Theodore G Drivas
Kabuki syndrome is a recognizable Mendelian disorder characterized by the clinical constellation of childhood hypotonia, developmental delay or intellectual impairment, and characteristic dysmorphism resulting from monoallelic pathogenic variants in KMT2D or KDM6A. In the medical literature, most reported patients are children, and data is lacking on the natural history of the condition across the lifespan, with little known about adult-specific presentations and symptoms. Here, we report the results of a retrospective chart review of eight adult patients with Kabuki syndrome, seven of whom are molecularly confirmed...
June 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37288730/autosomal-dominant-genodermatoses-in-adults-being-heralded-by-superimposed-skin-lesions-in-children
#11
REVIEW
Rudolf Happle
In autosomal dominant skin disorders, pronounced mosaic involvement may sometimes occur in the neonate, originating in a heterozygous embryo from early loss of heterozygosity, probably during the first week after fertilization. In biallelic phenotypes, such overlaying mosaic involvement may coexist with disseminated mosaicism, for example, in neurofibromatosis or tuberous sclerosis. In other phenotypes, however, classical nonsegmental involvement tends to appear much later, which is why the superimposed mosaic is a heralding feature...
June 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37255026/spectrum-of-white-matter-abnormalities-associated-with-foxc1-related-disorders-in-two-unrelated-cases
#12
JOURNAL ARTICLE
Tasnim Tabassum, D'Agostino Maria Daniela, Roberta La Piana
The purpose of this study is to document the wide spectrum of white matter abnormalities associated with FOXC1 pathogenic variants. We report two adult individuals-a 60-year-old individual and a 24-year-old one, presenting with hearing loss, anterior eye segment dysgenesis, and very different severity of cerebral small vessel disease. Molecular testing documented the presence of FOXC1 pathogenic variants in both individuals. Our paper documents the broad spectrum of radiological white matter involvement in adult individuals with FOXC1-related disorders...
May 31, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37248687/neurodevelopmental-and-other-psychiatric-disorders-in-22q11-2-deletion-syndrome-from-childhood-to-adult-age-prospective-longitudinal-study-of-100-individuals
#13
JOURNAL ARTICLE
Lena Wallin, Christopher Gillberg, Elisabeth Fernell, Carina Gillberg, Eva Billstedt
The 22q11.2 deletion syndrome (22q11.2DS), affects physical as well as cognitive and emotional functioning with increased risk for psychiatric and behavioral problems. This longitudinal study of 79 individuals (18-50 years) with 22q11.2DS investigated neurodevelopmental (NDD) and psychiatric disorders in adulthood, evaluated the stability of childhood diagnoses over time, and examined associations between clinical characteristics in childhood/adolescence and diagnostic outcome in adult age. Examination using validated instruments for cognitive, psychiatric, and global functional problems in the context of an in-depth clinical evaluation found adult age stability of NDD diagnoses made in childhood, however, rates increased at follow-up...
May 29, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37226647/spondyloepimetaphyseal-dysplasia-with-joint-laxity-type-2-aggregating-the-literature-and-reporting-on-the-life-of-a-66-year-old-man
#14
Alexander Beke, Karina da Costa Silveira, Taryn Athey, Peter Kannu
Spondyloepimetaphyseal dysplasia with joint laxity, leptodactylic type (SEMDJL2), is a rare bone dysplasia that results from hotspot (amino acids148/149) mutations in KIF22. Clinically, affected individuals present with generalized joint laxity, limb malalignment, midface hypoplasia, gracile digits, postnatal short stature, and occasionally, tracheolaryngomalacia; additionally, radiological features include severe epi-metaphyseal abnormalities and slender metacarpals. This report evaluates the progression of SEMDJL2 throughout the life of the oldest individual reported in the literature-a 66-year-old man with a pathogenic KIF22 variant (c...
May 24, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37212526/rod-cone-dystrophy-in-an-adult-with-gnb1-related-disorder-an-expansion-of-the-phenotype-and-natural-history
#15
Xiao-Ru Yang, Faazil Kassam, A Micheil Innes
GNB1-related disorder is characterized by intellectual disability, abnormal tone, and other variable neurologic and systemic features. GNB1 encodes the β1 subunit of the heterotrimeric G-protein, a complex with a key role in signal transduction. Consistent with its particularly high expression in rod photoreceptors, Gβ1 forms a subunit of retinal transducin (Gαtβ1γ1 ), which mediates phototransduction. In mice, GNB1 haploinsufficiency has been associated with retinal dystrophy...
May 22, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37163416/adult-experiences-in-beckwith-wiedemann-syndrome
#16
JOURNAL ARTICLE
William A Drust, Alessandro Mussa, Andrea Gazzin, Pablo Lapunzina, Jair Tenorio-Castaño, Julian Nevado, Patricia Pascual, Pedro Arias, Alejandro Parra, Kelly D Getz, Jennifer M Kalish
Beckwith-Wiedemann syndrome (BWS) is an overgrowth and epigenetic disorder caused by changes on chromosome 11p15. The primary features requiring management in childhood include macroglossia, omphalocele, lateralized overgrowth, hyperinsulinism, and embryonal tumors. Management guidelines have not been developed for adults with BWS and there have been few studies to assess the clinical needs of these patients. Furthermore, there have been few studies on the psychosocial implications of BWS in children or adults...
May 10, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37132416/autism-and-mild-epilepsy-associated-with-a-de-novo-missense-pathogenic-variant-in-the-gtpase-effector-domain-of-dnm1
#17
Davide Mei, Elena Parrini, Claudia Bianchini, Maria Luisa Ricci, Renzo Guerrini
Dynamin 1 is a GTPase protein involved in synaptic vesicle fission, which facilitates the exocytosis of neurotransmitters necessary for normal signaling. Pathogenic variants in the DNM1 gene are associated with intractable epilepsy, often manifested as infantile spasms at onset, developmental delay, and a movement disorder, and are located in the GTPase and middle domains of the protein. We describe a 36-year-old man with autism and moderate intellectual disability who experienced only a few generalized seizures between the age 16 and 30 years...
May 3, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37102433/mental-health-in-adults-living-with-arthrogryposis-multiplex-congenita
#18
JOURNAL ARTICLE
Shirromi Sarveswaran, William Ben Mortenson, Bonita Sawatzky
Little is known about the mental well-being of adults living with arthrogryposis multiplex congenita (AMC). The objectives of this study were to determine the incidence of depression in an international population of adults with AMC and to identify variables independently associated with depression. This cross-sectional study used independent samples t-test and hierarchical multiple regression. The mean Hospital Anxiety and Depression Scale-depression (HADS-D) score of our sample, which included 60 adults with AMC, was 4...
April 27, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37186482/dnajc21-related-thrombocytopenia-in-a-young-adult-female
#19
Deniz Aslan, Ozlem Akgun-Dogan, Beril Ay, Mahmut Orhun Çamurdan, Hanifenur Mancılar, Yasemin Alanay
Bone marrow failure type 3 (BMFS3) (MIM:617052) is a subtype of inherited bone marrow failure syndromes (IBMFS) caused by homozygous pathogenic variants in DNAJC21. It was first defined in 2016, and to date, 19 patients have been reported. Here we report the first adult patient; a 20-year-old female with a novel frameshift variant in DNAJC21 presents with thrombocytopenia, dysmorphic findings, and ovarian agenesis. Our patient expands the clinical spectrum to the milder end and suggests that DNAJC21-related disorders can have relatively mild presentations...
April 26, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://read.qxmd.com/read/37072379/caregivers-concerns-and-supports-needed-to-care-for-adults-with-down-syndrome
#20
JOURNAL ARTICLE
Erica De La Garza, Ashley Scott, Hampus Hillerstrom, James Hendrix, Eric Rubenstein
Research regarding caregivers for individuals with Down syndrome mainly focuses on outcomes for the pediatric population and not on the experience of caregivers themselves. Our objective was to understand caregiver-reported experiences and concerns for themselves and the individual they care for through a survey of caregivers of adults with Down syndrome. We conducted a survey of N = 438 caregivers of adults with Down syndrome and asked about the perspectives of the respondents surrounding caregiving and demographics...
April 18, 2023: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
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