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19 results on '"Gibson, William T."'

3. TSC2 c.1864C>T variant associated with mild cases of tuberous sclerosis complex

Author

Farach, Laura S., primary, Gibson, William T., additional, Sparagana, Steven P., additional, Nellist, Mark, additional, Stumpel, Connie T. R. M., additional, Hietala, Marja, additional, Friedman, Elliott, additional, Pearson, Deborah A., additional, Creighton, Susan P., additional, Wagemans, Annemiek, additional, Segel, Reveel, additional, Ben-Shalom, Efrat, additional, Au, Kit Sing, additional, and Northrup, Hope, additional

Published
2017
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6. Somatic mosaicism for the p.His1047Arg mutation in PIK3CA in a girl with mesenteric lipomatosis

Author

Cohen, Ana S. A., primary, Townsend, Katelin N., additional, Xiang, Qing‐San, additional, Attariwala, Raj, additional, Borchers, Christof, additional, Senger, Christof, additional, Picker, Wayne, additional, Levi, Jasna, additional, Yewchuk, Lila, additional, Tan, Joelle, additional, Eydoux, Patrice, additional, Lum, Amy, additional, Yong, Siu‐Li, additional, McKinnon, Margaret L., additional, Lear, Scott A., additional, Everett, Robert, additional, Jones, Steven J. M., additional, Yip, Stephen, additional, and Gibson, William T., additional

Published
2014
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18. Alternative genomic diagnoses for individuals with a clinical diagnosis of Dubowitz syndrome

Author

Sixto Garcia Minaur, Pankaj B. Agrawal, A. Micheil Innes, Catherine A. Brownstein, David S. Wargowski, Brenda McInnes, Isaac Wong, Albert E. Chudley, Jennifer E. Posey, Francesc López-Giráldez, Ping-Yee B Au, Alper Gezdirici, Kyrieckos A. Aleck, Eric Boerwinkle, Paolo Prontera, Bilgen Bilge Geçkinli, Yeting Zhang, An Nguyen, David A. Dyment, Jukka S. Moilanen, Alan H. Beggs, Nara Sobreira, Hatip Aydin, Elizabeth E. Blue, Kathryn Dunn, Gerald F. Cox, Bernard N. Chodirker, Harrison Brand, Jinchuan Xing, Hind Al Sharhan, Bert B.A. de Vries, Maria Juliana Rodovalho Doriqui, Davut Pehlivan, Shalini N. Jhangiani, Centers for Mendelian Genomics, Katrin Õunap, Cheryl R. Greenberg, Kaya Bilguvar, Carol L. Clericuzio, Cynthia J. Curry, Taila Hartley, Julie Lauzon, Michael J. Bamshad, Timothy Poterba, R. Brian Lowry, Jill A. Fahrner, Cullen M. Dutmer, M. E. Suzanne Lewis, Steve Buyske, Ender Karaca, Aziz Mhanni, William T. Gibson, Valentina Stanley, April Hall, Elke de Boer, Kristin D. Kernohan, Joseph G. Gleeson, P. Dane Witmer, Jungmin Choi, Danny Antaki, Małgorzata J.M. Nowaczyk, Sander Pajusalu, Anne H. O’Donnell-Luria, Sarah L. Sawyer, Zeynep Coban Akdemir, Tara C. Matise, Jennifer McEvoy-Venneri, Casie A. Genetti, Kym M. Boycott, Lynette S. Penney, Ada Hamosh, Eleina M. England, Deniz Torun, Maha S. Zaki, Deborah A. Nickerson, Dyment, David A., O'Donnell-Luria, Anne, Agrawal, Pankaj B., Coban Akdemir, Zeynep, Aleck, Kyrieckos A., Antaki, Danny, Al Sharhan, Hind, Au, Ping-Yee B., Aydin, Hatip, Beggs, Alan H., Bilguvar, Kaya, Boerwinkle, Eric, Brand, Harrison, Brownstein, Catherine A., Buyske, Steve, Chodirker, Bernard, Choi, Jungmin, Chudley, Albert E., Clericuzio, Carol L., Cox, Gerald F., Curry, Cynthia, de Boer, Elke, de Vries, Bert B. A., Dunn, Kathryn, Dutmer, Cullen M., England, Eleina M., Fahrner, Jill A., Geckinli, Bilgen B., Genetti, Casie A., Gezdirici, Alper, Gibson, William T., Gleeson, Joseph G., Greenberg, Cheryl R., Hall, April, Hamosh, Ada, Hartley, Taila, Jhangiani, Shalini N., Karaca, Ender, Kernohan, Kristin, Lauzon, Julie L., Lewis, M. E. Suzanne, Lowry, R. Brian, Lopez-Giraldez, Francesc, Matise, Tara C., McEvoy-Venneri, Jennifer, McInnes, Brenda, Mhanni, Aziz, Garcia Minaur, Sixto, Moilanen, Jukka, Nguyen, An, Nowaczyk, Malgorzata J. M., Posey, Jennifer E., Ounap, Katrin, Pehlivan, Davut, Pajusalu, Sander, Penney, Lynette S., Poterba, Timothy, Prontera, Paolo, Doriqui, Maria Juliana Rodovalho, Sawyer, Sarah L., Sobreira, Nara, Stanley, Valentina, Torun, Deniz, Wargowski, David, Witmer, P. Dane, Wong, Isaac, Xing, Jinchuan, Zaki, Maha S., Zhang, Yeting, Boycott, Kym M., Bamshad, Michael J., Nickerson, Deborah A., Blue, Elizabeth E., and Innes, A. Micheil

Subjects
0301 basic medicine, Male, ANOMALIES, INTELLECTUAL DISABILITY, Eczema, 030105 genetics & heredity, PHENOTYPE, genetic heterogeneity, Locus heterogeneity, Dubowitz syndrome, Exome, Child, Genetics (clinical), Exome sequencing, Growth Disorders, Genetics, FRAMESHIFT, Genomics, 3. Good health, VPS13B, genome sequencing, LOSS-OF-FUNCTION, Child, Preschool, symbols, Microcephaly, Female, microarray, Adolescent, DNA Copy Number Variations, Biology, NSUN2, PATIENT, DNA sequencing, Histone Deacetylases, Article, 03 medical and health sciences, symbols.namesake, medicine, Humans, Genetic Predisposition to Disease, ANEMIA, Genetic heterogeneity, Genome, Human, MUTATIONS, Facies, Infant, PLATFORM, medicine.disease, Repressor Proteins, 030104 developmental biology, Mendelian inheritance, exome sequencing
Abstract

Dubowitz syndrome (DubS) is considered a recognizable syndrome characterized by a distinctive facial appearance and deficits in growth and development. There have been over 200 individuals reported with Dubowitz or a "Dubowitz-like" condition, although no single gene has been implicated as responsible for its cause. We have performed exome (ES) or genome sequencing (GS) for 31 individuals clinically diagnosed with DubS. After genome-wide sequencing, rare variant filtering and computational and Mendelian genomic analyses, a presumptive molecular diagnosis was made in 13/27 (48%) families. The molecular diagnoses included biallelic variants in SKIV2L, SLC35C1, BRCA1, NSUN2; de novo variants in ARID1B, ARID1A, CREBBP, POGZ, TAF1, HDAC8, and copy-number variation at1p36.11(ARID1A), 8q22.2(VPS13B), Xp22, and Xq13(HDAC8). Variants of unknown significance in known disease genes, and also in genes of uncertain significance, were observed in 7/27 (26%) additional families. Only one gene, HDAC8, could explain the phenotype in more than one family (N = 2). All but two of the genomic diagnoses were for genes discovered, or for conditions recognized, since the introduction of next-generation sequencing. Overall, the DubS-like clinical phenotype is associated with extensive locus heterogeneity and the molecular diagnoses made are for emerging clinical conditions sharing characteristic features that overlap the DubS phenotype.

Published
2021

19. A Review of the Genetics of Intracranial Berry Aneurysms and Implications for Genetic Counseling.

Author

Hitchcock E and Gibson WT

Subjects
Ehlers-Danlos Syndrome complications, Ehlers-Danlos Syndrome genetics, Genetic Counseling, Genetic Predisposition to Disease, Genetic Testing, Genome-Wide Association Study, Humans, Intracranial Aneurysm diagnosis, Intracranial Aneurysm etiology, Loeys-Dietz Syndrome complications, Loeys-Dietz Syndrome genetics, Marfan Syndrome complications, Marfan Syndrome genetics, Neurofibromatosis 1 complications, Neurofibromatosis 1 genetics, Sequence Analysis, DNA, Intracranial Aneurysm genetics
Abstract

Here we review the current understanding of the genetic architecture of intracranial berry aneurysms (IBA) to aid in the genetic counseling of patients at risk for this condition. The familial subtype of IBA, familial intracranial aneurysms (FIA), is associated with increased frequency of IBA, increased risk of rupture, and increased morbidity and mortality after rupture. Family history is the strongest predictor for the development of IBA. However, a genetic test is not yet available to assess risk within a family. Studies using linkage analysis, genome-wide association, and next-generation sequencing have found several candidate loci and genes associated with disease onset, but have not conclusively implicated a single gene. In addition to family history, a separate or concurrent diagnosis of autosomal dominant polycystic kidney disease is a strong genetic risk factor for IBA formation. We also discuss the relative risk for developing IBA in several Mendelian syndromes including vascular Ehlers-Danlos syndrome, Marfan syndrome, Neurofibromatosis Type I, and Loeys-Dietz syndrome., Competing Interests: E.H. and W.T.G. declare they have no conflict of interest. Human Studies and Informed Consent The anonymized FIA pedigrees presented in this article are based on the family histories of patients who have given informed consent to participate in British Columbia Children’s Hospital IRB-approved study H09–01,228. Human subjects were not used for any other component of this manuscript.

Published
2017
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