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https://www.readbyqxmd.com/read/28820161/ocular-morbidity-patterns-among-children-in-schools-for-the-blind-in-chennai
#1
M Vs Prakash, S Sivakumar, Ashutosh Dayal, A Chitra, Sudharshini Subramaniam
PURPOSE: To identify the morbidity patterns causing blindness in children attending schools for the blind in Chennai and comparing our data with similar studies done previously. METHODS: A cross-sectional prevalence study was carried out in two schools for the blind in Chennai. Blind schools were visited by a team of ophthalmologists and optometrists. Students with best-corrected visual acuity (BCVA) worse than 3/60 in the better eye were included and relevant history was noted...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28818679/improved-assays-for-agg-interruptions-in-fragile-x-premutation-carriers
#2
Bruce E Hayward, Karen Usdin
The learning disability fragile X syndrome results from the presence of >200 CGG/CCG-repeats in exon 1 of the X-linked gene FMR1. Such alleles arise by expansion from maternally transmitted FMR1 premutation alleles, alleles having 55 to 200 repeats. Expansion risk is directly related to maternal repeat number. However, AGG interruptions to the repeat tract are important modifiers of expansion risk. Thus, the ability to identify such interruptions is crucial for the appropriate genetic counseling of women who are premutation carriers...
August 14, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28818065/case-reports-of-two-pedigrees-with-recessive-arrhythmogenic-right-ventricular-cardiomyopathy-associated-with-homozygous-thr335ala-variant-in-dsg2
#3
Sami Qadri, Olli Anttonen, Juho Viikilä, Eija H Seppälä, Samuel Myllykangas, Tero-Pekka Alastalo, Miia Holmström, Tiina Heliö, Juha W Koskenvuo
BACKGROUND: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited cardiac disease, involving changes in ventricular myocardial tissue and leading to fatal arrhythmias. Mutations in desmosomal genes are thought to be the main cause of ARVC. However, the exact molecular genetic etiology of the disease still remains largely inconclusive, and this along with large variabilities in clinical manifestations complicate clinical diagnostics. CASE PRESENTATION: We report two families (n = 20) in which a desmoglein-2 (DSG2) missense variant c...
August 17, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28816421/few-direct-to-consumer-test-users-receive-genetic-counseling-more-consumers-discuss-results-with-primary-care-physicians
#4
(no author information available yet)
No abstract text is available yet for this article.
September 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28815464/inherited-nonsyndromic-ichthyoses-an-update-on-pathophysiology-diagnosis-and-treatment
#5
REVIEW
Anders Vahlquist, Judith Fischer, Hans Törmä
Hereditary ichthyoses are due to mutations on one or both alleles of more than 30 different genes, mainly expressed in the upper epidermis. Syndromic as well as nonsyndromic forms of ichthyosis exist. Irrespective of etiology, virtually all types of ichthyosis exhibit a defective epidermal barrier that constitutes the driving force for hyperkeratosis, skin scaling, and inflammation. In nonsyndromic forms, these features are most evident in severe autosomal recessive congenital ichthyosis (ARCI) and epidermolytic ichthyosis, but to some extent also occur in the common type of non-congenital ichthyosis...
August 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28815348/counseling-close-to-home-genetic-counselors-experiences-with-their-own-family-members
#6
Laura Rust, Hallee Adamsheck, Catherine A Reiser, Elizabeth M Petty
Genetic counselors are trained to provide personalized genetic information and support to clients and their families. When requests for counseling comes from the counselor's own family member, should that counselor still provide service? There is a paucity of literature regarding genetic counselors counseling their own family members and no specific recommendations regarding how to reply to requests for genetic information from relatives. The purpose of this mixed methods study was to report genetic counselors' and genetic counseling students' perspectives and experiences providing genetic counseling to relatives...
August 16, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28815025/oesophageal-candidiasis-and-squamous-cell-cancer-in-patients-with-gain-of-function-stat1-gene-mutation
#7
Sara Koo, Deepak Kejariwal, Tariq Al-Shehri, Anjan Dhar, Desa Lilic
BACKGROUND: Oesophageal candidiasis is a common, usually self-limiting opportunistic infection, but long-term infection with Candida is known to predispose to oral and oesophageal squamous cell cancer (SCC). Permissive factors that lead to immune deficiencies can underlie persistent or recurring candidiasis, called chronic mucocutaneous candidiasis (CMC). Secondary immune deficiencies are most often due to human immunodeficiency virus (HIV) infection, antibiotic use and immunosuppressive treatment (steroids, chemotherapy)...
August 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28813711/subjects-at-risk-for-genetic-late-onset-neurological-diseases-objective-knowledge
#8
Ângela Leite, Fernanda Leite, Maria Alzira P Dinis
BACKGROUND/AIMS: This study addresses the objective knowledge about the disease of subjects at risk for 3 genetic late-onset neurological diseases (LOND): familial amyloid polyneuropathy (FAP) TTR V30M, Huntington disease (HD), and Machado-Joseph disease (MJD). METHODS: Subjects at risk for FAP, HD, and MJD submitted to genetic counseling to know their status (carrier or non-carrier) and subjects at risk for hereditary hemochromatosis (HH), the control group, completed a sociodemographic questionnaire and answered the open-ended question: "What do you know about this disease?...
August 17, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28813239/how-should-clinicians-counsel-a-woman-with-a-strong-family-history-of-early-onset-alzheimer-s-disease-about-her-pregnancy
#9
Marianna V Mapes, Barbara M O'Brien, Louise P King
Counseling patients regarding the benefits, harms, and dilemmas of genetic testing is one of the greatest ethical challenges facing reproductive medicine today. With or without test results, clinicians grapple with how to communicate potential genetic risks as patients weigh their reproductive options. Here, we consider a case of a woman with a strong family history of early-onset Alzheimer's disease (EOAD). She is early in her pregnancy and unsure about learning her own genetic status. We address the ethical ramifications of each of her options, which include genetic testing, genetic counseling, and termination versus continuation of the pregnancy...
July 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28808920/prospective-turkish-cohort-study-to-investigate-the-frequency-of-niemann-pick-disease-type-c-mutations-in-consanguineous-families-with-at-least-one-homozygous-family-member
#10
Meral Topçu, Dilek Aktas, Merih Öztoprak, Neslihan Önenli Mungan, Aysel Yuce, Mehmet Alikasifoglu
BACKGROUND: Niemann-Pick disease Type C (NP-C) is a rare, autosomal recessive lysosomal storage disorder caused by mutations in NPC1 or NPC2 genes. Diagnosis of NP-C can be challenging and is frequently delayed. Identifying mutations in individuals with NP-C and their relatives enables genetic counseling and prenatal diagnosis and may support earlier diagnosis. Here we report findings from a prospective cohort study in Turkey, using targeted genetic screening of the families of NP-C probands with homozygous NPC1 or NPC2 mutations...
August 14, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28808871/african-american-prostate-cancer-disparities
#11
REVIEW
Zachary L Smith, Scott E Eggener, Adam B Murphy
PURPOSE OF REVIEW: The purpose of this review is to examine prostate cancer racial disparities specific to the African-American population. RECENT FINDINGS: African-American men are more likely to be diagnosed with prostate cancer, present at an earlier age; are more likely to have locally advanced or metastatic disease at diagnosis; and have suboptimal outcomes to standard treatments. Prostate cancer treatment requires a nuanced approach, particularly when applying screening, counseling, and management of African-American men...
August 14, 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28807866/brca1-2-missense-mutations-and-the-value-of-in-silico-analyses
#12
Carolin E Sadowski, Daniela Kohlstedt, Cornelia Meisel, Katja Keller, Kerstin Becker, Luisa Mackenroth, Andreas Rump, Evelin Schröck, Pauline Wimberger, Karin Kast
INTRODUCTION: The clinical implications of genetic variants in BRCA1/2 in healthy and affected individuals are considerable. Variant interpretation, however, is especially challenging for missense variants. The majority of them are classified as variants of unknown clinical significance (VUS). Computational (in-silico) predictive programs are easy to access, but represent only one tool out of a wide range of complemental approaches to classify VUS. With this single-center study, we aimed to evaluate the impact of in-silico analyses in a spectrum of different BRCA1/2 missense variants...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28807864/reducing-diagnostic-turnaround-times-of-exome-sequencing-for-families-requiring-timely-diagnoses
#13
Aurélie Bourchany, Christel Thauvin-Robinet, Daphné Lehalle, Ange-Line Bruel, Alice Masurel-Paulet, Nolwenn Jean, Sophie Nambot, Marjorie Willems, Laetitia Lambert, Salima El Chehadeh-Djebbar, Elise Schaefer, Aurélia Jaquette, Judith St-Onge, Charlotte Poe, Thibaud Jouan, Martin Chevarin, Patrick Callier, Anne-Laure Mosca-Boidron, Nicole Laurent, Mathilde Lefebvre, Frédéric Huet, Nada Houcinat, Sébastien Moutton, Christophe Philippe, Frédéric Tran-Mau-Them, Antonio Vitobello, Paul Kuentz, Yannis Duffourd, Jean-Baptiste Rivière, Julien Thevenon, Laurence Faivre
BACKGROUND AND OBJECTIVE: Whole-exome sequencing (WES) has now entered medical practice with powerful applications in the diagnosis of rare Mendelian disorders. Although the usefulness and cost-effectiveness of WES have been widely demonstrated, it is essential to reduce the diagnostic turnaround time to make WES a first-line procedure. Since 2011, the automation of laboratory procedures and advances in sequencing chemistry have made it possible to carry out diagnostic whole genome sequencing from the blood sample to molecular diagnosis of suspected genetic disorders within 50 h...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28807863/prenatal-diagnosis-of-complex-phenotype-in-a-13-week-old-fetus-with-an-interstitial-multigene-deletion-20q13-13-q13-2-by-chromosomal-microarray
#14
Feodora Stipoljev, Danka Miric-Tesanic, Tomislav Hafner, Maja Barbalic, Monika Logara, Ruzica Lasan-Trcic, Ana Vicic, Romana Gjergja-Juraski
We report the first trimester three-dimensional ultrasonographic findings in a 13-week-old fetus with complex phenotype and a de novo 4.7 Mb multigene deletion encompassing chromosome region 20q13.13-q13.2 detected by chromosomal microarray. Fetal sonography detected radial-ray anomalies in the form of bilateral absence of thumbs and the left club hand deformity. The presence of single atrioventricular canal instead of the atrial septal defect typical for Holt-Oram syndrome pointed us to rather suspect the SALL4 related diseases...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28807665/a-comparative-study-of-care-practices-for-young-boys-with-duchenne-muscular-dystrophy-between-japan-and-european-countries-implications-of-early-diagnosis
#15
Fumi Takeuchi, Hirofumi Komaki, Zentaro Yamagata, Kazushi Maruo, Sunil Rodger, Janbernd Kirschner, Takeo Kubota, En Kimura, Shin'ichi Takeda, Kathrin Gramsch, Julia Vry, Kate Bushby, Hanns Lochmüller, Keiji Wada, Harumasa Nakamura
Early diagnosis of Duchenne muscular dystrophy (DMD) is widely advocated to initiate proactive interventions and genetic counselling. Genetic testing now allows the diagnosis of DMD even prior to the onset of symptoms. However, little is known about care practices and their impact on young DMD boys and families after receiving an early diagnosis. We analysed 64 young boys (Japan, 19; the United Kingdom, 10; Germany, 18; Hungary, 6; Poland, 5; and the Czech Republic, 6) aged <5 years and diagnosed at ≤2 years old among the participants of the cross-sectional study about care practice in DMD...
July 6, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28805615/prenatal-diagnosis-of-holoprosencephaly-associated-with-smith-lemli-opitz-syndrome-slos-in-a-46-xx-fetus
#16
André Travessa, Patrícia Dias, Pedro Rocha, Ana Berta Sousa
OBJECTIVE: To show the importance of measuring cholesterol precursor levels in amniotic fluid in all pregnancies with ultrasound features (such as holoprosencephaly) suggestive of Smith-Lemli-Opitz syndrome (SLOS), after exclusion of chromosomal anomalies. CASE REPORT: A 28-year-old woman, gravida 1 para 0, performed chorionic villus sampling for fetal karyotyping at 13 weeks of gestation due to positive combined first trimester screening in a fetus with increased nuchal translucency and suspected holoprosencephaly...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28803755/communicating-complex-genomic-information-a-counselling-approach-derived-from-research-experience-with-autism-spectrum-disorder
#17
Ny Hoang, Cheryl Cytrynbaum, Stephen W Scherer
Individuals with Autism Spectrum Disorder (ASD) share characteristics (impairments in socialization and communication, and repetitive interests and behaviour), but differ in their developmental course, pattern of symptoms, and cognitive and language abilities. The development of standardized phenotyping has revealed ASD to clinically be vastly heterogeneous, ranging from milder presentations to more severe forms associated with profound intellectual disability. Some 100 genes have now been implicated in the etiology of ASD, and advances in genome-wide testing continue to yield new data at an unprecedented rate...
July 29, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28803391/mutational-analysis-of-the-rb1-gene-and-the-inheritance-patterns-of-retinoblastoma-in-jordan
#18
Yacoub A Yousef, Abdelghani Tbakhi, Maysa Al-Hussaini, Ibrahim AlNawaiseh, Ala Saab, Amal Afifi, Maysa Naji, Mona Mohammad, Rasha Deebajah, Imad Jaradat, Iyad Sultan, Mustafa Mehyar
Retinoblastoma (RB) is a childhood cancer developing in the retina due to RB1 pathologic variant. Herein we are evaluating the oncogenic mutations in the RB1 gene and the inheritance patterns of RB in the Jordanian patients. In this prospective study, the peripheral blood of 50 retinoblastoma patients was collected, genomic DNA was extracted, mutations were identified using Quantitative multiplex PCR (QM-PCR), Allele-specific PCR, Next Generation Sequencing analysis, and Sanger sequencing. In this cohort of 50 patients, 20(40%) patients had unilateral RB and 30(60%) were males...
August 12, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28801648/an-effective-combination-of-whole-exome-sequencing-and-runs-of-homozygosity-for-the-diagnosis-of-primary-ciliary-dyskinesia-in-consanguineous-families
#19
Ting Guo, Zhi-Ping Tan, Hua-Mei Chen, Dong-Yuan Zheng, Lv Liu, Xin-Gang Huang, Ping Chen, Hong Luo, Yi-Feng Yang
Primary ciliary dyskinesia (PCD) is clinically characterized by neonatal respiratory distress, chronic sinusitis, bronchiectasis and infertility, and situs inversus in 50% of the patients. PCD is a result of mutations in genes encoding proteins involved in ciliary function, and is primarily inherited in an autosomal recessive fashion. Diagnosis of PCD is often a challenging task due to its high clinical and genetic heterogeneities. In the present study, we attempted to use whole-exome sequencing (WES) combined with runs of homozygosity (ROH) approaches to identify the genetic defects in four Chinese consanguineous families with clinical PCD...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800943/genetic-consultation-embedded-in-a-gynecologic-oncology-clinic-improves-compliance-with-guideline-based-care
#20
Leigha Senter, David M O'Malley, Floor J Backes, Larry J Copeland, Jeffery M Fowler, Ritu Salani, David E Cohn
OBJECTIVE: Analyze the impact of embedding genetic counseling services in gynecologic oncology on clinician referral and patient uptake of cancer genetics services. METHODS: Data were reviewed for a total of 737 newly diagnosed epithelial ovarian cancer patients seen in gynecologic oncology at a large academic medical center including 401 from 11/2011-7/2014 (a time when cancer genetics services were provided as an off-site consultation). These data were compared to data from 8/2014-9/2016 (n=336), when the model changed to the genetics embedded model (GEM), incorporating a cancer genetic counselor on-site in the gynecologic oncology clinic...
August 8, 2017: Gynecologic Oncology
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