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https://www.readbyqxmd.com/read/29700473/an-analytical-framework-for-whole-genome-sequence-association-studies-and-its-implications-for-autism-spectrum-disorder
#1
Donna M Werling, Harrison Brand, Joon-Yong An, Matthew R Stone, Lingxue Zhu, Joseph T Glessner, Ryan L Collins, Shan Dong, Ryan M Layer, Eirene Markenscoff-Papadimitriou, Andrew Farrell, Grace B Schwartz, Harold Z Wang, Benjamin B Currall, Xuefang Zhao, Jeanselle Dea, Clif Duhn, Carolyn A Erdman, Michael C Gilson, Rachita Yadav, Robert E Handsaker, Seva Kashin, Lambertus Klei, Jeffrey D Mandell, Tomasz J Nowakowski, Yuwen Liu, Sirisha Pochareddy, Louw Smith, Michael F Walker, Matthew J Waterman, Xin He, Arnold R Kriegstein, John L Rubenstein, Nenad Sestan, Steven A McCarroll, Benjamin M Neale, Hilary Coon, A Jeremy Willsey, Joseph D Buxbaum, Mark J Daly, Matthew W State, Aaron R Quinlan, Gabor T Marth, Kathryn Roeder, Bernie Devlin, Michael E Talkowski, Stephan J Sanders
Genomic association studies of common or rare protein-coding variation have established robust statistical approaches to account for multiple testing. Here we present a comparable framework to evaluate rare and de novo noncoding single-nucleotide variants, insertion/deletions, and all classes of structural variation from whole-genome sequencing (WGS). Integrating genomic annotations at the level of nucleotides, genes, and regulatory regions, we define 51,801 annotation categories. Analyses of 519 autism spectrum disorder families did not identify association with any categories after correction for 4,123 effective tests...
April 26, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29474918/dissecting-the-causal-mechanism-of-x-linked-dystonia-parkinsonism-by-integrating-genome-and-transcriptome-assembly
#2
Tatsiana Aneichyk, William T Hendriks, Rachita Yadav, David Shin, Dadi Gao, Christine A Vaine, Ryan L Collins, Aloysius Domingo, Benjamin Currall, Alexei Stortchevoi, Trisha Multhaupt-Buell, Ellen B Penney, Lilian Cruz, Jyotsna Dhakal, Harrison Brand, Carrie Hanscom, Caroline Antolik, Marisela Dy, Ashok Ragavendran, Jason Underwood, Stuart Cantsilieris, Katherine M Munson, Evan E Eichler, Patrick Acuña, Criscely Go, R Dominic G Jamora, Raymond L Rosales, Deanna M Church, Stephen R Williams, Sarah Garcia, Christine Klein, Ulrich Müller, Kirk C Wilhelmsen, H T Marc Timmers, Yechiam Sapir, Brian J Wainger, Daniel Henderson, Naoto Ito, Neil Weisenfeld, David Jaffe, Nutan Sharma, Xandra O Breakefield, Laurie J Ozelius, D Cristopher Bragg, Michael E Talkowski
X-linked Dystonia-Parkinsonism (XDP) is a Mendelian neurodegenerative disease that is endemic to the Philippines and is associated with a founder haplotype. We integrated multiple genome and transcriptome assembly technologies to narrow the causal mutation to the TAF1 locus, which included a SINE-VNTR-Alu (SVA) retrotransposition into intron 32 of the gene. Transcriptome analyses identified decreased expression of the canonical cTAF1 transcript among XDP probands, and de novo assembly across multiple pluripotent stem-cell-derived neuronal lineages discovered aberrant TAF1 transcription that involved alternative splicing and intron retention (IR) in proximity to the SVA that was anti-correlated with overall TAF1 expression...
February 22, 2018: Cell
https://www.readbyqxmd.com/read/29384852/pain-correlates-with-germline-mutation-in-schwannomatosis
#3
Justin T Jordan, Miriam J Smith, James A Walker, Serkan Erdin, Michael E Talkowski, Vanessa L Merker, Vijaya Ramesh, Wenli Cai, Gordon J Harris, Miriam A Bredella, Marlon Seijo, Alessandra Suuberg, James F Gusella, Scott R Plotkin
Schwannomatosis has been linked to germline mutations in the SMARCB1 and LZTR1 genes, and is frequently associated with pain.In a cohort study, we assessed the mutation status of 37 patients with clinically diagnosed schwannomatosis and compared to clinical data, whole body MRI (WBMRI), visual analog pain scale, and Short Form 36 (SF-36) bodily pain subscale.We identified a germline mutation in LZTR1 in 5 patients (13.5%) and SMARCB1 in 15 patients (40.5%), but found no germline mutation in 17 patients (45...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29321672/phenotypic-interpretation-of-complex-chromosomal-rearrangements-informed-by-nucleotide-level-resolution-and-structural-organization-of-chromatin
#4
Cinthya J Zepeda-Mendoza, Alexandra Bardon, Tammy Kammin, David J Harris, Helen Cox, Claire Redin, Zehra Ordulu, Michael E Talkowski, Cynthia C Morton
Molecular characterization of balanced chromosomal abnormalities constitutes a powerful tool in understanding the pathogenic mechanisms of complex genetic disorders. Here we report a male with severe global developmental delay in the presence of a complex karyotype and normal microarray and exome studies. The subject, referred to as DGAP294, has two de novo apparently balanced translocations involving chromosomes 1 and 14, and chromosomes 4 and 10, disrupting several different transcripts of adhesion G protein-coupled receptor L2 (ADGRL2) and protocadherin 15 (PCDH15)...
March 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29109544/mapping-and-phasing-of-structural-variation-in-patient-genomes-using-nanopore-sequencing
#5
Mircea Cretu Stancu, Markus J van Roosmalen, Ivo Renkens, Marleen M Nieboer, Sjors Middelkamp, Joep de Ligt, Giulia Pregno, Daniela Giachino, Giorgia Mandrile, Jose Espejo Valle-Inclan, Jerome Korzelius, Ewart de Bruijn, Edwin Cuppen, Michael E Talkowski, Tobias Marschall, Jeroen de Ridder, Wigard P Kloosterman
Despite improvements in genomics technology, the detection of structural variants (SVs) from short-read sequencing still poses challenges, particularly for complex variation. Here we analyse the genomes of two patients with congenital abnormalities using the MinION nanopore sequencer and a novel computational pipeline-NanoSV. We demonstrate that nanopore long reads are superior to short reads with regard to detection of de novo chromothripsis rearrangements. The long reads also enable efficient phasing of genetic variations, which we leveraged to determine the parental origin of all de novo chromothripsis breakpoints and to resolve the structure of these complex rearrangements...
November 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/29048539/indexcov-fast-coverage-quality-control-for-whole-genome-sequencing
#6
Brent S Pedersen, Ryan L Collins, Michael E Talkowski, Aaron R Quinlan
The BAM and CRAM formats provide a supplementary linear index that facilitates rapid access to sequence alignments in arbitrary genomic regions. Comparing consecutive entries in a BAM or CRAM index allows one to infer the number of alignment records per genomic region for use as an effective proxy of sequence depth in each genomic region. Based on these properties, we have developed indexcov, an efficient estimator of whole-genome sequencing coverage to rapidly identify samples with aberrant coverage profiles, reveal large-scale chromosomal anomalies, recognize potential batch effects, and infer the sex of a sample...
November 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28879201/wnt-%C3%AE-catenin-pathway-and-epigenetic-mechanisms-regulate-the-pitt-hopkins-syndrome-and-schizophrenia-risk-gene-tcf4
#7
Krista M Hennig, Daniel M Fass, Wen-Ning Zhao, Steven D Sheridan, Ting Fu, Serkan Erdin, Alexei Stortchevoi, Diane Lucente, Jannine D Cody, David Sweetser, James F Gusella, Michael E Talkowski, Stephen J Haggarty
Genetic variation within the transcription factor TCF4 locus can cause the intellectual disability and developmental disorder Pitt-Hopkins syndrome (PTHS), whereas single-nucleotide polymorphisms within noncoding regions are associated with schizophrenia. These genetic findings position TCF4 as a link between transcription and cognition; however, the neurobiology of TCF4 remains poorly understood. Here, we quantitated multiple distinct TCF4 transcript levels in human induced pluripotent stem cell-derived neural progenitors and differentiated neurons, and PTHS patient fibroblasts...
July 2017: Molecular Neuropsychiatry
https://www.readbyqxmd.com/read/28735859/computational-prediction-of-position-effects-of-apparently-balanced-human-chromosomal-rearrangements
#8
Cinthya J Zepeda-Mendoza, Jonas Ibn-Salem, Tammy Kammin, David J Harris, Debra Rita, Karen W Gripp, Jennifer J MacKenzie, Andrea Gropman, Brett Graham, Ranad Shaheen, Fowzan S Alkuraya, Campbell K Brasington, Edward J Spence, Diane Masser-Frye, Lynne M Bird, Erica Spiegel, Rebecca L Sparkes, Zehra Ordulu, Michael E Talkowski, Miguel A Andrade-Navarro, Peter N Robinson, Cynthia C Morton
Interpretation of variants of uncertain significance, especially chromosomal rearrangements in non-coding regions of the human genome, remains one of the biggest challenges in modern molecular diagnosis. To improve our understanding and interpretation of such variants, we used high-resolution three-dimensional chromosomal structural data and transcriptional regulatory information to predict position effects and their association with pathogenic phenotypes in 17 subjects with apparently balanced chromosomal abnormalities...
August 3, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28691782/a-novel-microduplication-of-arid1b-clinical-genetic-and-proteomic-findings
#9
Catarina M Seabra, Nicholas Szoko, Serkan Erdin, Ashok Ragavendran, Alexei Stortchevoi, Patrícia Maciel, Kathleen Lundberg, Daniela Schlatzer, Janice Smith, Michael E Talkowski, James F Gusella, Marvin R Natowicz
Genetic alterations of ARID1B have been recently recognized as one of the most common mendelian causes of intellectual disability and are associated with both syndromic and non-syndromic phenotypes. The ARID1B protein, a subunit of the chromatin remodeling complex SWI/SNF-A, is involved in the regulation of transcription and multiple downstream cellular processes. We report here the clinical, genetic, and proteomic phenotypes of an individual with a unique apparent de novo mutation of ARID1B due to an intragenic duplication...
September 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28558098/complex-and-dynamic-chromosomal-rearrangements-in-a-family-with-seemingly-non-mendelian-inheritance-of-dopa-responsive-dystonia
#10
Katja Lohmann, Claire Redin, Holger Tönnies, Susan B Bressman, Jose Ignacio Martin Subero, Karin Wiegers, Frauke Hinrichs, Yorck Hellenbroich, Aleksandar Rakovic, Deborah Raymond, Laurie J Ozelius, Eberhard Schwinger, Reiner Siebert, Michael E Talkowski, Rachel Saunders-Pullman, Christine Klein
Importance: Chromosomal rearrangements are increasingly recognized to underlie neurologic disorders and are often accompanied by additional clinical signs beyond the gene-specific phenotypic spectrum. Objective: To elucidate the causal genetic variant in a large US family with co-occurrence of dopa-responsive dystonia as well as skeletal and eye abnormalities (ie, ptosis, myopia, and retina detachment). Design, Setting, and Participants: We examined 10 members of a family, including 5 patients with dopa-responsive dystonia and skeletal and/or eye abnormalities, from a US tertiary referral center for neurological diseases using multiple conventional molecular methods, including fluorescence in situ hybridization and array comparative genomic hybridization as well as large-insert whole-genome sequencing to survey multiple classes of genomic variations...
July 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28546579/corrigendum-smchd1-mutations-associated-with-a-rare-muscular-dystrophy-can-also-cause-isolated-arhinia-and-bosma-arhinia-microphthalmia-syndrome
#11
Natalie D Shaw, Harrison Brand, Zachary A Kupchinsky, Hemant Bengani, Lacey Plummer, Takako I Jones, Serkan Erdin, Kathleen A Williamson, Joe Rainger, Alexei Stortchevoi, Kaitlin Samocha, Benjamin B Currall, Donncha S Dunican, Ryan L Collins, Jason R Willer, Angela Lek, Monkol Lek, Malik Nassan, Shahrin Pereira, Tammy Kammin, Diane Lucente, Alexandra Silva, Catarina M Seabra, Colby Chiang, Yu An, Morad Ansari, Jacqueline K Rainger, Shelagh Joss, Jill Clayton Smith, Margaret F Lippincott, Sylvia S Singh, Nirav Patel, Jenny W Jing, Jennifer R Law, Nalton Ferraro, Alain Verloes, Anita Rauch, Katharina Steindl, Markus Zweier, Ianina Scheer, Daisuke Sato, Nobuhiko Okamoto, Christina Jacobsen, Jeanie Tryggestad, Steven Chernausek, Lisa A Schimmenti, Benjamin Brasseur, Claudia Cesaretti, Jose E García-Ortiz, Tatiana Pineda Buitrago, Orlando Perez Silva, Jodi D Hoffman, Wolfgang Mühlbauer, Klaus W Ruprecht, Bart L Loeys, Masato Shino, Angela M Kaindl, Chie-Hee Cho, Cynthia C Morton, Richard R Meehan, Veronica van Heyningen, Eric C Liao, Ravikumar Balasubramanian, Janet E Hall, Stephanie B Seminara, Daniel Macarthur, Steven A Moore, Koh-Ichiro Yoshiura, James F Gusella, Joseph A Marsh, John M Graham, Angela E Lin, Nicholas Katsanis, Peter L Jones, William F Crowley, Erica E Davis, David R FitzPatrick, Michael E Talkowski
No abstract text is available yet for this article.
May 26, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28260531/defining-the-diverse-spectrum-of-inversions-complex-structural-variation-and-chromothripsis-in-the-morbid-human-genome
#12
Ryan L Collins, Harrison Brand, Claire E Redin, Carrie Hanscom, Caroline Antolik, Matthew R Stone, Joseph T Glessner, Tamara Mason, Giulia Pregno, Naghmeh Dorrani, Giorgia Mandrile, Daniela Giachino, Danielle Perrin, Cole Walsh, Michelle Cipicchio, Maura Costello, Alexei Stortchevoi, Joon-Yong An, Benjamin B Currall, Catarina M Seabra, Ashok Ragavendran, Lauren Margolin, Julian A Martinez-Agosto, Diane Lucente, Brynn Levy, Stephan J Sanders, Ronald J Wapner, Fabiola Quintero-Rivera, Wigard Kloosterman, Michael E Talkowski
BACKGROUND: Structural variation (SV) influences genome organization and contributes to human disease. However, the complete mutational spectrum of SV has not been routinely captured in disease association studies. RESULTS: We sequenced 689 participants with autism spectrum disorder (ASD) and other developmental abnormalities to construct a genome-wide map of large SV. Using long-insert jumping libraries at 105X mean physical coverage and linked-read whole-genome sequencing from 10X Genomics, we document seven major SV classes at ~5 kb SV resolution...
March 6, 2017: Genome Biology
https://www.readbyqxmd.com/read/28120936/potential-molecular-consequences-of-transgene-integration-the-r6-2-mouse-example
#13
Jessie C Jacobsen, Serkan Erdin, Colby Chiang, Carrie Hanscom, Renee R Handley, Douglas D Barker, Alex Stortchevoi, Ian Blumenthal, Suzanne J Reid, Russell G Snell, Marcy E MacDonald, A Jennifer Morton, Carl Ernst, James F Gusella, Michael E Talkowski
Integration of exogenous DNA into a host genome represents an important route to generate animal and cellular models for exploration into human disease and therapeutic development. In most models, little is known concerning structural integrity of the transgene, precise site of integration, or its impact on the host genome. We previously used whole-genome and targeted sequencing approaches to reconstruct transgene structure and integration sites in models of Huntington's disease, revealing complex structural rearrangements that can result from transgenesis...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102589/cover-image-volume-173a-number-2-february-2017
#14
Gilles Maussion, Cristiana Cruceanu, Jill A Rosenfeld, Scott C Bell, Fabrice Jollant, Jin Szatkiewicz, Ryan L Collins, Carrie Hanscom, Ilaria Kolobova, Nicolas Menjot de Champfleur, Ian Blumenthal, Colby Chiang, Vanessa Ota, Christina Hultman, Colm O'Dushlaine, Steve McCarroll, Martin Alda, Sebastien Jacquemont, Zehra Ordulu, Christian R Marshall, Melissa T Carter, Lisa G Shaffer, Pamela Sklar, Santhosh Girirajan, Cynthia C Morton, James F Gusella, Gustavo Turecki, Dimitri J Stavropoulos, Patrick F Sullivan, Stephen W Scherer, Michael E Talkowski, Carl Ernst
The cover image, by Carl Ernst et al., is based on the Original Article Implication of LRRC4C and DPP6 in neurodevelopmental disorders, DOI: 10.1002/ajmg.a.38021.
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28067909/smchd1-mutations-associated-with-a-rare-muscular-dystrophy-can-also-cause-isolated-arhinia-and-bosma-arhinia-microphthalmia-syndrome
#15
Natalie D Shaw, Harrison Brand, Zachary A Kupchinsky, Hemant Bengani, Lacey Plummer, Takako I Jones, Serkan Erdin, Kathleen A Williamson, Joe Rainger, Alexei Stortchevoi, Kaitlin Samocha, Benjamin B Currall, Donncha S Dunican, Ryan L Collins, Jason R Willer, Angela Lek, Monkol Lek, Malik Nassan, Shahrin Pereira, Tammy Kammin, Diane Lucente, Alexandra Silva, Catarina M Seabra, Colby Chiang, Yu An, Morad Ansari, Jacqueline K Rainger, Shelagh Joss, Jill Clayton Smith, Margaret F Lippincott, Sylvia S Singh, Nirav Patel, Jenny W Jing, Jennifer R Law, Nalton Ferraro, Alain Verloes, Anita Rauch, Katharina Steindl, Markus Zweier, Ianina Scheer, Daisuke Sato, Nobuhiko Okamoto, Christina Jacobsen, Jeanie Tryggestad, Steven Chernausek, Lisa A Schimmenti, Benjamin Brasseur, Claudia Cesaretti, Jose E García-Ortiz, Tatiana Pineda Buitrago, Orlando Perez Silva, Jodi D Hoffman, Wolfgang Mühlbauer, Klaus W Ruprecht, Bart L Loeys, Masato Shino, Angela M Kaindl, Chie-Hee Cho, Cynthia C Morton, Richard R Meehan, Veronica van Heyningen, Eric C Liao, Ravikumar Balasubramanian, Janet E Hall, Stephanie B Seminara, Daniel Macarthur, Steven A Moore, Koh-Ichiro Yoshiura, James F Gusella, Joseph A Marsh, John M Graham, Angela E Lin, Nicholas Katsanis, Peter L Jones, William F Crowley, Erica E Davis, David R FitzPatrick, Michael E Talkowski
Arhinia, or absence of the nose, is a rare malformation of unknown etiology that is often accompanied by ocular and reproductive defects. Sequencing of 40 people with arhinia revealed that 84% of probands harbor a missense mutation localized to a constrained region of SMCHD1 encompassing the ATPase domain. SMCHD1 mutations cause facioscapulohumeral muscular dystrophy type 2 (FSHD2) via a trans-acting loss-of-function epigenetic mechanism. We discovered shared mutations and comparable DNA hypomethylation patterning between these distinct disorders...
February 2017: Nature Genetics
https://www.readbyqxmd.com/read/27984722/an-ancient-unified-mechanism-for-metformin-growth-inhibition-in-c-elegans-and-cancer
#16
COMMENT
Lianfeng Wu, Ben Zhou, Noriko Oshiro-Rapley, Man Li, Joao A Paulo, Christopher M Webster, Fan Mou, Michael C Kacergis, Michael E Talkowski, Christopher E Carr, Steven P Gygi, Bin Zheng, Alexander A Soukas
Metformin has utility in cancer prevention and treatment, though the mechanisms for these effects remain elusive. Through genetic screening in C. elegans, we uncover two metformin response elements: the nuclear pore complex (NPC) and acyl-CoA dehydrogenase family member-10 (ACAD10). We demonstrate that biguanides inhibit growth by inhibiting mitochondrial respiratory capacity, which restrains transit of the RagA-RagC GTPase heterodimer through the NPC. Nuclear exclusion renders RagC incapable of gaining the GDP-bound state necessary to stimulate mTORC1...
December 15, 2016: Cell
https://www.readbyqxmd.com/read/27759917/implication-of-lrrc4c-and-dpp6-in-neurodevelopmental-disorders
#17
Gilles Maussion, Cristiana Cruceanu, Jill A Rosenfeld, Scott C Bell, Fabrice Jollant, Jin Szatkiewicz, Ryan L Collins, Carrie Hanscom, Ilaria Kolobova, Nicolas Menjot de Champfleur, Ian Blumenthal, Colby Chiang, Vanessa Ota, Christina Hultman, Colm O'Dushlaine, Steve McCarroll, Martin Alda, Sebastien Jacquemont, Zehra Ordulu, Christian R Marshall, Melissa T Carter, Lisa G Shaffer, Pamela Sklar, Santhosh Girirajan, Cynthia C Morton, James F Gusella, Gustavo Turecki, Dimitri J Stavropoulos, Patrick F Sullivan, Stephen W Scherer, Michael E Talkowski, Carl Ernst
We performed whole-genome sequencing on an individual from a family with variable psychiatric phenotypes that had a sensory processing disorder, apraxia, and autism. The proband harbored a maternally inherited balanced translocation (46,XY,t(11;14)(p12;p12)mat) that disrupted LRRC4C, a member of the highly specialized netrin G family of axon guidance molecules. The proband also inherited a paternally derived chromosomal inversion that disrupted DPP6, a potassium channel interacting protein. Copy Number (CN) analysis in 14,077 cases with neurodevelopmental disorders and 8,960 control subjects revealed that 60% of cases with exonic deletions in LRRC4C had a second clinically recognizable syndrome associated with variable clinical phenotypes, including 16p11...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27745839/structural-chromosomal-rearrangements-require-nucleotide-level-resolution-lessons-from-next-generation-sequencing-in-prenatal-diagnosis
#18
Zehra Ordulu, Tammy Kammin, Harrison Brand, Vamsee Pillalamarri, Claire E Redin, Ryan L Collins, Ian Blumenthal, Carrie Hanscom, Shahrin Pereira, India Bradley, Barbara F Crandall, Pamela Gerrol, Mark A Hayden, Naveed Hussain, Bibi Kanengisser-Pines, Sibel Kantarci, Brynn Levy, Michael J Macera, Fabiola Quintero-Rivera, Erica Spiegel, Blair Stevens, Janet E Ulm, Dorothy Warburton, Louise E Wilkins-Haug, Naomi Yachelevich, James F Gusella, Michael E Talkowski, Cynthia C Morton
In this exciting era of "next-gen cytogenetics," integrating genomic sequencing into the prenatal diagnostic setting is possible within an actionable time frame and can provide precise delineation of balanced chromosomal rearrangements at the nucleotide level. Given the increased risk of congenital abnormalities in newborns with de novo balanced chromosomal rearrangements, comprehensive interpretation of breakpoints could substantially improve prediction of phenotypic outcomes and support perinatal medical care...
November 3, 2016: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27381092/estrogen-related-receptor-gamma-implicated-in-a-phenotype-including-hearing-loss-and-mild-developmental-delay
#19
Samantha Lp Schilit, Benjamin B Currall, Ruen Yao, Carrie Hanscom, Ryan L Collins, Vamsee Pillalamarri, Dong-Young Lee, Tammy Kammin, Cinthya J Zepeda-Mendoza, Tarja Mononen, Lisa S Nolan, James F Gusella, Michael E Talkowski, Jun Shen, Cynthia C Morton
Analysis of chromosomal rearrangements has been highly successful in identifying genes involved in many congenital abnormalities including hearing loss. Herein, we report a subject, designated DGAP242, with congenital hearing loss (HL) and a de novo balanced translocation 46,XX,t(1;5)(q32;q15)dn. Using multiple next-generation sequencing techniques, we obtained high resolution of the breakpoints. This revealed disruption of the orphan receptor ESRRG on chromosome 1, which is differentially expressed in inner ear hair cells and has previously been implicated in HL, and disruption of KIAA0825 on chromosome 5...
November 2016: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/26959244/mutated-huntingtin-causes-testicular-pathology-in-transgenic-minipig-boars
#20
Monika Macakova, Bozena Bohuslavova, Petra Vochozkova, Antonin Pavlok, Miroslava Sedlackova, Daniela Vidinska, Klara Vochyanova, Irena Liskova, Ivona Valekova, Monika Baxa, Zdenka Ellederova, Jiri Klima, Stefan Juhas, Jana Juhasova, Jana Klouckova, Martin Haluzik, Jiri Klempir, Hana Hansikova, Jana Spacilova, Ryan Collins, Ian Blumenthal, Michael Talkowski, James F Gusella, David S Howland, Marian DiFiglia, Jan Motlik
BACKGROUND: Huntington's disease is induced by CAG expansion in a single gene coding the huntingtin protein. The mutated huntingtin (mtHtt) primarily causes degeneration of neurons in the brain, but it also affects peripheral tissues, including testes. OBJECTIVE: We studied sperm and testes of transgenic boars expressing the N-terminal region of human mtHtt. METHODS: In this study, measures of reproductive parameters and electron microscopy (EM) images of spermatozoa and testes of transgenic (TgHD) and wild-type (WT) boars of F1 (24-48 months old) and F2 (12-36 months old) generations were compared...
2016: Neuro-degenerative Diseases
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