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Articles 1 - 30 of 37
Full-Text Articles in Medical Genetics
Development Of The Personal Genomics Industry, Jorge L. Contreras, Vikrant Deshmukh
Development Of The Personal Genomics Industry, Jorge L. Contreras, Vikrant Deshmukh
Utah Law Faculty Scholarship
Today, numerous commercial services offer genetic testing, genotyping and genome sequencing services both to medical providers and directly to the public. Twenty-five years ago, such offerings would have been unthinkable, both in terms of cost and medical practice. This chapter describes the development of the personal genomics industry and its evolving business models and goals.
Combinational Sirna Delivery Using Hyaluronic Acid Modified Amphiphilic Polyplexes Against Cell Cycle And Phosphatase Proteins To Inhibit Growth And Migration Of Triple-Negative Breast Cancer Cells, Manoj B. Parmar, Daniel Nisakar Meenakshi Sundaram, Remant Bahadur Kc, Robert Maranchuk, Hamidreza Montazeri Aliabadi, Judith C. Hugh, Raimar Löbenberg, Hasan Uludağ
Combinational Sirna Delivery Using Hyaluronic Acid Modified Amphiphilic Polyplexes Against Cell Cycle And Phosphatase Proteins To Inhibit Growth And Migration Of Triple-Negative Breast Cancer Cells, Manoj B. Parmar, Daniel Nisakar Meenakshi Sundaram, Remant Bahadur Kc, Robert Maranchuk, Hamidreza Montazeri Aliabadi, Judith C. Hugh, Raimar Löbenberg, Hasan Uludağ
Pharmacy Faculty Articles and Research
Triple-negative breast cancer is an aggressive form of breast cancer with few therapeutic options if it recurs after adjuvant chemotherapy. RNA interference could be an alternative therapy for metastatic breast cancer, where small interfering RNA (siRNA) can silence the expression of aberrant genes critical for growth and migration of malignant cells. Here, we formulated a siRNA delivery system using lipid-substituted polyethylenimine (PEI) and hyaluronic acid (HA), and characterized the size, ζ-potential and cellular uptake of the nanoparticulate delivery system. Higher cellular uptake of siRNA by the tailored PEI/HA formulation suggested better interaction of complexes with breast cancer cells due to …
Small Rna Teg49 Is Derived From A Sara Transcript And Regulates Virulence Genes Independent Of Sara In Staphylococcus Aureus, Adhar Manna, Samin Kim, Liviu Cengher, Anna Corvaglia, Stefano Leo, Patrice Francois, Ambrose L. Cheung
Small Rna Teg49 Is Derived From A Sara Transcript And Regulates Virulence Genes Independent Of Sara In Staphylococcus Aureus, Adhar Manna, Samin Kim, Liviu Cengher, Anna Corvaglia, Stefano Leo, Patrice Francois, Ambrose L. Cheung
Dartmouth Scholarship
Expression of virulence factors in Staphylococcus aureus is regulated by a wide range of transcriptional regulators, including proteins and small RNAs (sRNAs), at the level of transcription and/or translation. The sarA locus consists of three overlapping transcripts generated from three distinct promoters, all containing the sarA open reading frame (ORF). The 5= untranslated regions (UTRs) of these transcripts contain three separate regions 711, 409, and 146 nucleotides (nt) upstream of the sarA translation start, the functions of which remain unknown. Re- cent transcriptome-sequencing (RNA-Seq) analysis and subsequent characterization indicated that two sRNAs, teg49 and teg48, are processed and likely produced …
Hypotonia And Intellectual Disability Without Dysmorphic Features In A Patient With Pign-Related Disease., Isabelle Thiffault, Britton Zuccarelli, Holly Welsh, Xuan Yuan, Emily Farrow, Lee Zellmer, Neil Miller, Sarah Soden, Ahmed Abdelmoity, Robert A Brodsky, Carol Saunders
Hypotonia And Intellectual Disability Without Dysmorphic Features In A Patient With Pign-Related Disease., Isabelle Thiffault, Britton Zuccarelli, Holly Welsh, Xuan Yuan, Emily Farrow, Lee Zellmer, Neil Miller, Sarah Soden, Ahmed Abdelmoity, Robert A Brodsky, Carol Saunders
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Defects in the human glycosylphosphatidylinositol anchor biosynthetic pathway are associated with inherited glycosylphosphatidylinositol (GPI)-deficiencies characterized by a broad range of clinical phenotypes including multiple congenital anomalies, dysmorphic faces, developmental delay, hypotonia, and epilepsy. Biallelic variants in PIGN, encoding phosphatidylinositol-glycan biosynthesis class N have been recently associated with multiple congenital anomalies hypotonia seizure syndrome.
CASE PRESENTATION: Our patient is a 2 year old male with hypotonia, global developmental delay, and focal epilepsy. Trio whole-exome sequencing revealed heterozygous variants in PIGN, c.181G > T (p.Glu61*) and c.284G > A (p.Arg95Gln). Analysis of FLAER and anti-CD59 by flow-cytometry demonstrated a shift in this patient's …
Difatty Acyl-Conjugated Linear And Cyclic Peptides For Sirna Delivery, Hung Do, Meenakshi Sharma, Naglaa Salem El-Sayed, Parvin Mahdipoor, Emira Bousoik, Keykavous Parang, Hamidreza Montazeri Aliabadi
Difatty Acyl-Conjugated Linear And Cyclic Peptides For Sirna Delivery, Hung Do, Meenakshi Sharma, Naglaa Salem El-Sayed, Parvin Mahdipoor, Emira Bousoik, Keykavous Parang, Hamidreza Montazeri Aliabadi
Pharmacy Faculty Articles and Research
A number of amphiphilic difatty acyl linear and cyclic R5K2 peptide conjugates were synthesized by solid-phase peptide methods to enhance the interaction with the hydrophobic cellular phospholipid bilayer and to improve siRNA delivery and silencing. Binding to siRNA molecules was significantly less for the cyclic peptide conjugates. A gradual decrease was observed in the particle size of the complexes with increasing peptide/siRNA ratio for most of the synthesized peptides, suggesting the complex formation. Most of the complexes showed a particle size of less than 200 nm, which is considered an appropriate size for in vitro siRNA delivery. A number of …
The Influence Of A Kdt501, A Novel Isohumulone, On Adipocyte Function In Humans, Brian S. Finlin, Beibei Zhu, Bernard P. Kok, Cristina Godio, Philip M. Westgate, Neile Grayson, Robert Sims, Jeffrey S. Bland, Enrique Saez, Philip A. Kern
The Influence Of A Kdt501, A Novel Isohumulone, On Adipocyte Function In Humans, Brian S. Finlin, Beibei Zhu, Bernard P. Kok, Cristina Godio, Philip M. Westgate, Neile Grayson, Robert Sims, Jeffrey S. Bland, Enrique Saez, Philip A. Kern
Internal Medicine Faculty Publications
Objective: In a phase II clinical trial in nine obese, insulin-resistant humans, we observed that treatment with KDT501, a novel isohumulone drug, increased total and high-molecular weight (HMW) adiponectin in plasma. The objective was to determine whether KDT501 increased adiponectin secretion from subcutaneous white adipose tissue (SC WAT) and the underlying mechanism(s).
Methods: Nine obese participants with either prediabetes or with normal glucose tolerance plus three features of metabolic syndrome were part of the study. SC WAT biopsies were performed before and after 28 days of KDT501 treatment in a clinical research setting. In addition, a cold stimulus was used …
Benchmarking Relatedness Inference Methods With Genome-Wide Data From Thousands Of Relatives, Monica D. Ramstetter, Thomas D. Dyer, Donna M. Lehman, Joanne E. Curran, Ravindranath Duggirala, John Blangero, Jason G. Mezey, Amy L. Williams
Benchmarking Relatedness Inference Methods With Genome-Wide Data From Thousands Of Relatives, Monica D. Ramstetter, Thomas D. Dyer, Donna M. Lehman, Joanne E. Curran, Ravindranath Duggirala, John Blangero, Jason G. Mezey, Amy L. Williams
School of Medicine Publications and Presentations
Inferring relatedness from genomic data is an essential component of genetic association studies, population genetics, forensics, and genealogy. While numerous methods exist for inferring relatedness, thorough evaluation of these approaches in real data has been lacking. Here, we report an assessment of 12 state-of-the-art pairwise relatedness inference methods using a data set with 2485 individuals contained in several large pedigrees that span up to six generations. We find that all methods have high accuracy (92–99%) when detecting first- and second-degree relationships, but their accuracy dwindles to76% of relative pairs. Overall, the most accurate methods are Estimation of Recent Shared Ancestry …
A Population-Specific Reference Panel Empowers Genetic Studies Of Anabaptist Populations., Liping Hou, Rachel L Kember, Jared C Roach, Jeffrey R O'Connell, David W Craig, Maja Bucan, William K Scott, Margaret Pericak-Vance, Jonathan L Haines, Michael H Crawford, Alan R Shuldiner, Francis J Mcmahon
A Population-Specific Reference Panel Empowers Genetic Studies Of Anabaptist Populations., Liping Hou, Rachel L Kember, Jared C Roach, Jeffrey R O'Connell, David W Craig, Maja Bucan, William K Scott, Margaret Pericak-Vance, Jonathan L Haines, Michael H Crawford, Alan R Shuldiner, Francis J Mcmahon
Articles, Abstracts, and Reports
Genotype imputation is a powerful strategy for achieving the large sample sizes required for identification of variants underlying complex phenotypes, but imputation of rare variants remains problematic. Genetically isolated populations offer one solution, however population-specific reference panels are needed to assure optimal imputation accuracy and allele frequency estimation. Here we report the Anabaptist Genome Reference Panel (AGRP), the first whole-genome catalogue of variants and phased haplotypes in people of Amish and Mennonite ancestry. Based on high-depth whole-genome sequence (WGS) from 265 individuals, the AGRP contains >12 M high-confidence single nucleotide variants and short indels, of which ~12.5% are novel. These …
Expression Of Placental Regulatory Genes Is Associated With Fetal Growth, Maya A. Deyssenroth, Qian Li, Marina Lacasaña, Yoko Nomura, Carmen Marsit, Jia Chen
Expression Of Placental Regulatory Genes Is Associated With Fetal Growth, Maya A. Deyssenroth, Qian Li, Marina Lacasaña, Yoko Nomura, Carmen Marsit, Jia Chen
Publications and Research
The placenta is the principal organ regulating respiratory, nutritional, endocrine and metabolic functions on behalf of the developing fetus. Changes in gene expression patterns of placenta-specific genes may influence fetal growth. We profiled the expression of 17 genes related to placenta functioning in term placentas (n=677) to identify genes differentially expressed across birth weight categories [small (SGA), appropriate (AGA) and large (LGA) for gestational age]. ABCG2, CEBPB, CRH, GCM1, GPC3, INSL4, PGF and PLAC1 were inversely associated with LGA status, with odds ratios (ORs) and 95% confidence intervals (CI) ranging from GCM1 (OR=0.44, 95% CI: 0.29, 0.70) to CRH (OR=0.73, …
Examining The Influence And Role Of Pharmacogenetics Among Children With Autism Spectrum Disorder, Nuha Shaker
Examining The Influence And Role Of Pharmacogenetics Among Children With Autism Spectrum Disorder, Nuha Shaker
Masters Theses & Specialist Projects
Pharmacogenetics is the study of genomic-guided individualized drug prescription that plays an important role in preventing the severe adverse effects of drugs, decreasing the time and cost of therapeutic choices, and directing healthcare professionals to choose medications that are effective and safe. It is noteworthy that this approach becomes highly beneficial in patients suffering from chronic diseases or disorders, since these conditions may require multiple and long term pharmacological therapies, as in children with autism spectrum disorder (ASD). However, public acceptance is a major challenge when implementation of pharmacogenetics merges into clinical practice. The purpose of this study is a) …
Clinical Pharmacogenetics Implementation Consortium Guideline (Cpic) For Cyp2d6 And Cyp2c19 Genotypes And Dosing Of Tricyclic Antidepressants: 2016 Update., J K. Hicks, K Sangkuhl, J J. Swen, V L. Ellingrod, D J. Müller, K Shimoda, J R. Bishop, E D. Kharasch, T C. Skaar, Andrea Gaedigk, H M. Dunnenberger, T E. Klein, K E. Caudle, J C. Stingl
Clinical Pharmacogenetics Implementation Consortium Guideline (Cpic) For Cyp2d6 And Cyp2c19 Genotypes And Dosing Of Tricyclic Antidepressants: 2016 Update., J K. Hicks, K Sangkuhl, J J. Swen, V L. Ellingrod, D J. Müller, K Shimoda, J R. Bishop, E D. Kharasch, T C. Skaar, Andrea Gaedigk, H M. Dunnenberger, T E. Klein, K E. Caudle, J C. Stingl
Manuscripts, Articles, Book Chapters and Other Papers
No abstract provided.
Easi-Crispr: A Robust Method For One-Step Generation Of Mice Carrying Conditional And Insertion Alleles Using Long Ssdna Donors And Crispr Ribonucleoproteins., Rolen M Quadros, Hiromi Miura, Donald W Harms, Hisako Akatsuka, Takehito Sato, Tomomi Aida, Ronald Redder, Guy P Richardson, Yutaka Inagaki, Daisuke Sakai, Shannon M Buckley, Parthasarathy Seshacharyulu, Surinder K Batra, Mark A Behlke, Sarah A Zeiner, Ashley M Jacobi, Yayoi Izu, Wallace B Thoreson, Lisa D Urness, Suzanne L Mansour, Masato Ohtsuka, Channabasavaiah B Gurumurthy
Easi-Crispr: A Robust Method For One-Step Generation Of Mice Carrying Conditional And Insertion Alleles Using Long Ssdna Donors And Crispr Ribonucleoproteins., Rolen M Quadros, Hiromi Miura, Donald W Harms, Hisako Akatsuka, Takehito Sato, Tomomi Aida, Ronald Redder, Guy P Richardson, Yutaka Inagaki, Daisuke Sakai, Shannon M Buckley, Parthasarathy Seshacharyulu, Surinder K Batra, Mark A Behlke, Sarah A Zeiner, Ashley M Jacobi, Yayoi Izu, Wallace B Thoreson, Lisa D Urness, Suzanne L Mansour, Masato Ohtsuka, Channabasavaiah B Gurumurthy
Journal Articles: Munroe-Meyer Institute
BACKGROUND: Conditional knockout mice and transgenic mice expressing recombinases, reporters, and inducible transcriptional activators are key for many genetic studies and comprise over 90% of mouse models created. Conditional knockout mice are generated using labor-intensive methods of homologous recombination in embryonic stem cells and are available for only ~25% of all mouse genes. Transgenic mice generated by random genomic insertion approaches pose problems of unreliable expression, and thus there is a need for targeted-insertion models. Although CRISPR-based strategies were reported to create conditional and targeted-insertion alleles via one-step delivery of targeting components directly to zygotes, these strategies are quite inefficient. …
Activity Of Distinct Growth Factor Receptor Network Components In Breast Tumors Uncovers Two Biologically Relevant Subtypes, Moom Roosan, Shelley M. Macneil, David F. Jenkins, Gajendra Shrestha, Sydney R. Wyatt, Jasmine A. Mcquerry, Stephen R. Piccolo, Laura M. Heiser, Joe W. Gray, W. Evan Johnson, Andrea H. Bild
Activity Of Distinct Growth Factor Receptor Network Components In Breast Tumors Uncovers Two Biologically Relevant Subtypes, Moom Roosan, Shelley M. Macneil, David F. Jenkins, Gajendra Shrestha, Sydney R. Wyatt, Jasmine A. Mcquerry, Stephen R. Piccolo, Laura M. Heiser, Joe W. Gray, W. Evan Johnson, Andrea H. Bild
Pharmacy Faculty Articles and Research
Background
The growth factor receptor network (GFRN) plays a significant role in driving key oncogenic processes. However, assessment of global GFRN activity is challenging due to complex crosstalk among GFRN components, or pathways, and the inability to study complex signaling networks in patient tumors. Here, pathway-specific genomic signatures were used to interrogate GFRN activity in breast tumors and the consequent phenotypic impact of GRFN activity patterns.
Methods
Novel pathway signatures were generated in human primary mammary epithelial cells by overexpressing key genes from GFRN pathways (HER2, IGF1R, AKT1, EGFR, KRAS (G12V), RAF1, BAD). The pathway analysis toolkit Adaptive Signature Selection …
Oriented Clonal Cell Dynamics Enables Accurate Growth And Shaping Of Vertebrate Cartilage., Marketa Kaucka, Tomas Zikmund, Marketa Tesarova, Daniel Gyllborg, Andreas Hellander, Josef Jaros, Jozef Kaiser, Julian Petersen, Bara Szarowska, Phillip T. Newton, Vyacheslav Dyachuk, Lei Li, Hong Qian, Anne-Sofie Johansson, Yuji Mishina, Joshua D. Currie, Elly M. Tanaka, Alek Erickson, A T. Dudley, Hjalmar Brismar, Paul Southam, Enrico Coen, Min Chen, Lee S. Weinstein, Ales Hampl, Ernest Arenas, Andrei S. Chagin, Kaj Fried, Igor Adameyko
Oriented Clonal Cell Dynamics Enables Accurate Growth And Shaping Of Vertebrate Cartilage., Marketa Kaucka, Tomas Zikmund, Marketa Tesarova, Daniel Gyllborg, Andreas Hellander, Josef Jaros, Jozef Kaiser, Julian Petersen, Bara Szarowska, Phillip T. Newton, Vyacheslav Dyachuk, Lei Li, Hong Qian, Anne-Sofie Johansson, Yuji Mishina, Joshua D. Currie, Elly M. Tanaka, Alek Erickson, A T. Dudley, Hjalmar Brismar, Paul Southam, Enrico Coen, Min Chen, Lee S. Weinstein, Ales Hampl, Ernest Arenas, Andrei S. Chagin, Kaj Fried, Igor Adameyko
Journal Articles: Genetics, Cell Biology & Anatomy
Cartilaginous structures are at the core of embryo growth and shaping before the bone forms. Here we report a novel principle of vertebrate cartilage growth that is based on introducing transversally-oriented clones into pre-existing cartilage. This mechanism of growth uncouples the lateral expansion of curved cartilaginous sheets from the control of cartilage thickness, a process which might be the evolutionary mechanism underlying adaptations of facial shape. In rod-shaped cartilage structures (Meckel, ribs and skeletal elements in developing limbs), the transverse integration of clonal columns determines the well-defined diameter and resulting rod-like morphology. We were able to alter cartilage shape by …
Personality Disorders And Epigenetics, Julie Zaccagnino
Personality Disorders And Epigenetics, Julie Zaccagnino
Student Writing
Personality Disorders are characterized by chronic and pervasive maladaptive patterns which cause emotional distress to the individual, his/her relationships, and society. The purpose of analysis is to understand the causes of personality disorders. Genetic influence on personality is not a simple cause-and-effect. Several genes have been identified to be associated with personality traits but not cause personality traits. Personality disorders have been also associated with childhood trauma. Evidence in research has shown that childhood maltreatment is marked by DNA methylation of genes which promote glucocorticoid receptors in the synapses of the hippocampus and as well as serotonergic pathways. The conclusion …
Genomic Contraindications For Heart Transplantation., Danton S. Char, Gabriel Lázaro-Muñoz, Aliessa Barnes, David Magnus, Michael J. Deem, John Lantos
Genomic Contraindications For Heart Transplantation., Danton S. Char, Gabriel Lázaro-Muñoz, Aliessa Barnes, David Magnus, Michael J. Deem, John Lantos
Manuscripts, Articles, Book Chapters and Other Papers
Genome sequencing raises new ethical challenges. Decoding the genome produces new forms of diagnostic and prognostic information; however, the information is often difficult to interpret. The connection between most genetic variants and their phenotypic manifestations is not understood. This scenario is particularly true for disorders that are not associated with an autosomal genetic variant. The analytic uncertainty is compounded by moral uncertainty about how, exactly, the results of genomic testing should influence clinical decisions. In this Ethics Rounds, we present a case in which genomic findings seemed to play a role in deciding whether a patient was to be listed …
Impact Of Cyp2d6 Genotype On Amitriptyline Efficacy For The Treatment Of Diabetic Peripheral Neuropathy: A Pilot Study., Mamoonah Chaudhry, Marco Alessandrini, Jacobus Rademan, Tyren M. Dodgen, Francois E. Steffens, Danie G. Van Zyl, Andrea Gaedigk, Michael S. Pepper
Impact Of Cyp2d6 Genotype On Amitriptyline Efficacy For The Treatment Of Diabetic Peripheral Neuropathy: A Pilot Study., Mamoonah Chaudhry, Marco Alessandrini, Jacobus Rademan, Tyren M. Dodgen, Francois E. Steffens, Danie G. Van Zyl, Andrea Gaedigk, Michael S. Pepper
Manuscripts, Articles, Book Chapters and Other Papers
AIM: Therapy with low-dose amitriptyline is commonly used to treat painful diabetic peripheral neuropathy. There is a knowledge gap, however, regarding the role of variable CYP2D6-mediated drug metabolism and side effects (SEs). We aimed to generate pilot data to demonstrate that SEs are more frequent in patients with variant CYP2D6 alleles.
METHOD: To that end, 31 randomly recruited participants were treated with low-dose amitriptyline for painful diabetic peripheral neuropathy and their CYP2D6 gene sequenced.
RESULTS: Patients with predicted normal or ultra-rapid metabolizer phenotypes presented with less SEs compared with individuals with decreased CYP2D6 activity.
CONCLUSION: Hence, CYP2D6 genotype contributes to …
A Comparative Study Of Three Different Types Of Stem Cells For Treatment Of Rat Spinal Cord Injury, Jiri Ruzicka, L Machova-Urdzikova, John Gillick, T Amemori, N Romanyuk, K Karova, K Zaviskova, J Dubisova, S Kubinova, Raj Murali, E Sykova, Meena Jhanwar-Uniyal, P Jendelova
A Comparative Study Of Three Different Types Of Stem Cells For Treatment Of Rat Spinal Cord Injury, Jiri Ruzicka, L Machova-Urdzikova, John Gillick, T Amemori, N Romanyuk, K Karova, K Zaviskova, J Dubisova, S Kubinova, Raj Murali, E Sykova, Meena Jhanwar-Uniyal, P Jendelova
NYMC Faculty Publications
Three different sources of human stem cells-bone marrow-derived mesenchymal stem cells (BM-MSCs), neural progenitors (NPs) derived from immortalized spinal fetal cell line (SPC-01), and induced pluripotent stem cells (iPSCs)-were compared in the treatment of a balloon-induced spinal cord compression lesion in rats. One week after lesioning, the rats received either BM-MSCs (intrathecally) or NPs (SPC-01 cells or iPSC-NPs, both intraspinally), or saline. The rats were assessed for their locomotor skills (BBB, flat beam test, and rotarod). Morphometric analyses of spared white and gray matter, axonal sprouting, and glial scar formation, as well as qPCR and Luminex assay, were conducted to …
Fine-Mapping The Mhc Locus In Juvenile Idiopathic Arthritis (Jia) Reveals Genetic Heterogeneity Corresponding To Distinct Adult Inflammatory Arthritic Diseases., A Hinks, J Bowes, J Cobb, H C. Ainsworth, M C. Marion, M E. Comeau, M Sudman, B Han, Juvenile Arthritis Consortium For Immunochip, Mara L. Becker, J F. Bohnsack, P I W De Bakker, J P. Haas, M Hazen, D J. Lovell, P A. Nigrovic, E Nordal, M Punnaro, A M. Rosenberg, M Rygg, S L. Smith, C A. Wise, V Videm, L R. Wedderburn, A Yarwood, R S M Yeung, S Prahalad, C D. Langefeld, S Raychaudhuri, S D. Thompson, W Thomson
Fine-Mapping The Mhc Locus In Juvenile Idiopathic Arthritis (Jia) Reveals Genetic Heterogeneity Corresponding To Distinct Adult Inflammatory Arthritic Diseases., A Hinks, J Bowes, J Cobb, H C. Ainsworth, M C. Marion, M E. Comeau, M Sudman, B Han, Juvenile Arthritis Consortium For Immunochip, Mara L. Becker, J F. Bohnsack, P I W De Bakker, J P. Haas, M Hazen, D J. Lovell, P A. Nigrovic, E Nordal, M Punnaro, A M. Rosenberg, M Rygg, S L. Smith, C A. Wise, V Videm, L R. Wedderburn, A Yarwood, R S M Yeung, S Prahalad, C D. Langefeld, S Raychaudhuri, S D. Thompson, W Thomson
Manuscripts, Articles, Book Chapters and Other Papers
OBJECTIVES: Juvenile idiopathic arthritis (JIA) is a heterogeneous group of diseases, comprising seven categories. Genetic data could potentially be used to help redefine JIA categories and improve the current classification system. The human leucocyte antigen (HLA) region is strongly associated with JIA. Fine-mapping of the region was performed to look for similarities and differences in HLA associations between the JIA categories and define correspondences with adult inflammatory arthritides.
METHODS: Dense genotype data from the HLA region, from the Immunochip array for 5043 JIA cases and 14 390 controls, were used to impute single-nucleotide polymorphisms, HLA classical alleles and amino acids. …
In Vivo Characterization Of Cyp2d6*12, *29 And *84 Using Dextromethorphan As A Probe Drug: A Case Report., Andrea Gaedigk, Greyson P. Twist, Emily G. Farrow, Jennifer Lowry, Sarah E. Soden, Neil A. Miller
In Vivo Characterization Of Cyp2d6*12, *29 And *84 Using Dextromethorphan As A Probe Drug: A Case Report., Andrea Gaedigk, Greyson P. Twist, Emily G. Farrow, Jennifer Lowry, Sarah E. Soden, Neil A. Miller
Manuscripts, Articles, Book Chapters and Other Papers
CYP2D6*84 was first described in a Black South African subject, however, its function remains unknown. Astrolabe, a probabilistic scoring tool developed in our laboratory to call genotypes from whole genome sequence, identified CYP2D6*84 in a trio. The father presented with intermediate metabolism when challenged with the CYP2D6 probe drug dextromethorphan (DM/dextrorphan [DX] = 0.0839). Since his second allele, CYP2D6*12, is nonfunctional, the observed activity is derived by CYP2D6*84. This finding suggests that the allele's hallmark P267H causes decreased activity toward DM and that this allele should receive a value of 0.5 for Activity Score calculations. The mother's DM/DX of 0.0543 …
Cis-Eqtl-Based Trans-Ethnic Meta-Analysis Reveals Novel Genes Associated With Breast Cancer Risk, Joshua Hoffman, Rebecca Graff, Nima Emami, Caroline Tai, Michael Passarelli
Cis-Eqtl-Based Trans-Ethnic Meta-Analysis Reveals Novel Genes Associated With Breast Cancer Risk, Joshua Hoffman, Rebecca Graff, Nima Emami, Caroline Tai, Michael Passarelli
Dartmouth Scholarship
Breast cancer is the most common solid organ malignancy and the most frequent cause of cancer death among women worldwide. Previous research has yielded insights into its genetic etiology, but there remains a gap in the understanding of genetic factors that contribute to risk, and particularly in the biological mechanisms by which genetic variation modulates risk. The National Cancer Institute's "Up for a Challenge" (U4C) competition provided an opportunity to further elucidate the genetic basis of the disease. Our group leveraged the seven datasets made available by the U4C organizers and data from the publicly available UK Biobank cohort to …
Targeted Aav5-Smad7 Gene Therapy Inhibits Corneal Scarring In Vivo, Suneel Gupta, Jason T. Rodier, Ajay Sharma, Elizabeth A. Giuliano, Prashant R. Sinha, Nathan P. Hesemann, Arkasubhra Ghosh, Rajiv R. Mohan
Targeted Aav5-Smad7 Gene Therapy Inhibits Corneal Scarring In Vivo, Suneel Gupta, Jason T. Rodier, Ajay Sharma, Elizabeth A. Giuliano, Prashant R. Sinha, Nathan P. Hesemann, Arkasubhra Ghosh, Rajiv R. Mohan
Pharmacy Faculty Articles and Research
Corneal scarring is due to aberrant activity of the transforming growth factor β (TGFβ) signaling pathway following traumatic, mechanical, infectious, or surgical injury. Altered TGFβ signaling cascade leads to downstream Smad (Suppressor of mothers against decapentaplegic) protein-mediated signaling events that regulate expression of extracellular matrix and myogenic proteins. These events lead to transdifferentiation of keratocytes into myofibroblasts through fibroblasts and often results in permanent corneal scarring. Hence, therapeutic targets that reduce transdifferentiation of fibroblasts into myofibroblasts may provide a clinically relevant approach to treat corneal fibrosis and improve long-term visual outcomes. Smad7 protein regulates the functional effects of TGFβ signaling …
A Novel Multi-Network Approach Reveals Tissue-Specific Cellular Modulators Of Fibrosis In Systemic Sclerosis, Jaclyn N. Taroni, Casey S. Greene, Viktor Martyanov, Tammara A. Wood
A Novel Multi-Network Approach Reveals Tissue-Specific Cellular Modulators Of Fibrosis In Systemic Sclerosis, Jaclyn N. Taroni, Casey S. Greene, Viktor Martyanov, Tammara A. Wood
Dartmouth Scholarship
Systemic sclerosis (SSc) is a multi-organ autoimmune disease characterized by skin fibrosis. Internal organ involvement is heterogeneous. It is unknown whether disease mechanisms are common across all involved affected tissues or if each manifestation has a distinct underlying pathology.We used consensus clustering to compare gene expression profiles of biopsies from four SSc-affected tissues (skin, lung, esophagus, and peripheral blood) from patients with SSc, and the related conditions pulmonary fibrosis (PF) and pulmonary arterial hypertension, and derived a consensus disease-associate signature across all tissues. We used this signature to query tissue-specific functional genomic networks. We performed novel network analyses to contrast …
Metabolic And Molecular Insights Into An Essential Role Of Nicotinamide Phosphoribosyltransferase., Li Q. Zhang, Leon Van Haandel, Min Xiong, Peixin Huang, Daniel P. Heruth, Chengpeng Bi, R Gaedigk, Xun Jiang, Ding-You Li, Gerald Wyckoff, Dmitry N. Grigoryev, Li Gao, Linheng Li, Min Wu, J Steven Leeder, Shui Qing Ye
Metabolic And Molecular Insights Into An Essential Role Of Nicotinamide Phosphoribosyltransferase., Li Q. Zhang, Leon Van Haandel, Min Xiong, Peixin Huang, Daniel P. Heruth, Chengpeng Bi, R Gaedigk, Xun Jiang, Ding-You Li, Gerald Wyckoff, Dmitry N. Grigoryev, Li Gao, Linheng Li, Min Wu, J Steven Leeder, Shui Qing Ye
Manuscripts, Articles, Book Chapters and Other Papers
Nicotinamide phosphoribosyltransferase (NAMPT) is a pleiotropic protein implicated in the pathogenesis of acute respiratory distress syndrome, aging, cancer, coronary heart diseases, diabetes, nonalcoholic fatty liver disease, obesity, rheumatoid arthritis, and sepsis. However, the underlying molecular mechanisms of NAMPT in these physiological and pathological processes are not fully understood. Here, we provide experimental evidence that a Nampt gene homozygous knockout (Nampt-/-) resulted in lethality at an early stage of mouse embryonic development and death within 5-10 days in adult mice accompanied by a 25.24±2.22% body weight loss, after the tamoxifen induction of NamptF/F × Cre mice. These results substantiate that Nampt …
Mucopolysaccharidosis Type I Newborn Screening: Best Practices For Diagnosis And Management., Lorne A. Clarke, Andrea M. Atherton, Barbara K. Burton, Debra L. Day-Salvatore, Paige Kaplan, Nancy D. Leslie, C Ronald Ronald Scott, David W. Stockton, Janet A. Thomas, Joseph Muenzer
Mucopolysaccharidosis Type I Newborn Screening: Best Practices For Diagnosis And Management., Lorne A. Clarke, Andrea M. Atherton, Barbara K. Burton, Debra L. Day-Salvatore, Paige Kaplan, Nancy D. Leslie, C Ronald Ronald Scott, David W. Stockton, Janet A. Thomas, Joseph Muenzer
Manuscripts, Articles, Book Chapters and Other Papers
No abstract provided.
Genetic Drivers Of Kidney Defects In The Digeorge Syndrome., Esther Lopez-Rivera, Yangfan P. Liu, Miguel Verbitsky, Blair R. Anderson, Valentina P. Capone, Edgar A. Otto, Zhonghai Yan, Adele Mitrotti, Jeremiah Martino, Nicholas J. Steers, David A. Fasel, Katarina Vukojevic, Rong Deng, Silvia E. Racedo, Qingxue Liu, Max Werth, Rik Westland, Asaf Vivante, Gabriel S. Makar, Monica Bodria, Matthew G. Sampson, Christopher E. Gillies, Virginia Vega-Warner, Mariarosa Maiorana, Donald S. Petrey, Barry Honig, Vladimir J. Lozanovski, Rémi Salomon, Laurence Heidet, Wassila Carpentier, Dominique Gaillard, Alba Carrea, Loreto Gesualdo, Daniele Cusi, Claudia Izzi, Francesco Scolari, Joanna A E Van Wijk, Adela Arapovic, Mirna Saraga-Babic, Marijan Saraga, Nenad Kunac, Ali Samii, Donna M. Mcdonald-Mcginn, Terrence B. Crowley, Elaine H. Zackai, Dorota Drozdz, Monika Miklaszewska, Marcin Tkaczyk, Przemyslaw Sikora, Maria Szczepanska, Malgorzata Mizerska-Wasiak, Grazyna Krzemien, Agnieszka Szmigielska, Marcin Zaniew, John M. Darlow, Prem Puri, David Barton, Emilio Casolari, Susan L. Furth, Bradley A. Warady, Zoran Gucev, Hakon Hakonarson, Hana Flogelova, Velibor Tasic, Anna Latos-Bielenska, Anna Materna-Kiryluk, Landino Allegri, Craig S. Wong, Iain A Drummond, Vivette D'Agati, Akira Imamoto, Jonathan M. Barasch, Friedhelm Hildebrandt, Krzysztof Kiryluk, Richard P. Lifton, Bernice E. Morrow, Cecile Jeanpierre, Virginia E. Papaioannou, Gian Marco Ghiggeri, Ali G. Gharavi, Nicholas Katsanis, Simone Sanna-Cherchi
Genetic Drivers Of Kidney Defects In The Digeorge Syndrome., Esther Lopez-Rivera, Yangfan P. Liu, Miguel Verbitsky, Blair R. Anderson, Valentina P. Capone, Edgar A. Otto, Zhonghai Yan, Adele Mitrotti, Jeremiah Martino, Nicholas J. Steers, David A. Fasel, Katarina Vukojevic, Rong Deng, Silvia E. Racedo, Qingxue Liu, Max Werth, Rik Westland, Asaf Vivante, Gabriel S. Makar, Monica Bodria, Matthew G. Sampson, Christopher E. Gillies, Virginia Vega-Warner, Mariarosa Maiorana, Donald S. Petrey, Barry Honig, Vladimir J. Lozanovski, Rémi Salomon, Laurence Heidet, Wassila Carpentier, Dominique Gaillard, Alba Carrea, Loreto Gesualdo, Daniele Cusi, Claudia Izzi, Francesco Scolari, Joanna A E Van Wijk, Adela Arapovic, Mirna Saraga-Babic, Marijan Saraga, Nenad Kunac, Ali Samii, Donna M. Mcdonald-Mcginn, Terrence B. Crowley, Elaine H. Zackai, Dorota Drozdz, Monika Miklaszewska, Marcin Tkaczyk, Przemyslaw Sikora, Maria Szczepanska, Malgorzata Mizerska-Wasiak, Grazyna Krzemien, Agnieszka Szmigielska, Marcin Zaniew, John M. Darlow, Prem Puri, David Barton, Emilio Casolari, Susan L. Furth, Bradley A. Warady, Zoran Gucev, Hakon Hakonarson, Hana Flogelova, Velibor Tasic, Anna Latos-Bielenska, Anna Materna-Kiryluk, Landino Allegri, Craig S. Wong, Iain A Drummond, Vivette D'Agati, Akira Imamoto, Jonathan M. Barasch, Friedhelm Hildebrandt, Krzysztof Kiryluk, Richard P. Lifton, Bernice E. Morrow, Cecile Jeanpierre, Virginia E. Papaioannou, Gian Marco Ghiggeri, Ali G. Gharavi, Nicholas Katsanis, Simone Sanna-Cherchi
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: The DiGeorge syndrome, the most common of the microdeletion syndromes, affects multiple organs, including the heart, the nervous system, and the kidney. It is caused by deletions on chromosome 22q11.2; the genetic driver of the kidney defects is unknown.
METHODS: We conducted a genomewide search for structural variants in two cohorts: 2080 patients with congenital kidney and urinary tract anomalies and 22,094 controls. We performed exome and targeted resequencing in samples obtained from 586 additional patients with congenital kidney anomalies. We also carried out functional studies using zebrafish and mice.
RESULTS: We identified heterozygous deletions of 22q11.2 in 1.1% …
Surrogate Pregnancy After Prenatal Diagnosis Of Spina Bifida., Lynnette J. Mazur, Mary Kay Kisthardt, Helen H. Kim, Laura M. Rosas, John Lantos
Surrogate Pregnancy After Prenatal Diagnosis Of Spina Bifida., Lynnette J. Mazur, Mary Kay Kisthardt, Helen H. Kim, Laura M. Rosas, John Lantos
Manuscripts, Articles, Book Chapters and Other Papers
Some pregnancies today involve infertile individuals or couples who contract with a fertile woman to carry a pregnancy for them. The woman who carries the pregnancy is referred to as a "gestational carrier." The use of such arrangements is increasing. Most of the time, these arrangements play out as planned; sometimes, however, problems arise. This article discusses a case in which a fetal diagnosis of spina bifida led the infertile couple to request that the gestational carrier terminate the pregnancy, and the gestational carrier did not wish to do so. Experts in the medical and legal issues surrounding surrogacy discuss …
Metronidazole Metabolism In Neonates And The Interplay Between Ontogeny And Genetic Variation., Laura A. Wang, Daniel Gonzalez, J Steven Leeder, Rachel F. Tyndale, Robin E. Pearce, Daniel K. Benjamin, Gregory L. Kearns, Michael Cohen-Wolkowiez, Best Pharmaceuticals For Children Act-Pediatric Trials Network Steering Committee
Metronidazole Metabolism In Neonates And The Interplay Between Ontogeny And Genetic Variation., Laura A. Wang, Daniel Gonzalez, J Steven Leeder, Rachel F. Tyndale, Robin E. Pearce, Daniel K. Benjamin, Gregory L. Kearns, Michael Cohen-Wolkowiez, Best Pharmaceuticals For Children Act-Pediatric Trials Network Steering Committee
Manuscripts, Articles, Book Chapters and Other Papers
No abstract provided.
Newborn Sequencing In Genomic Medicine And Public Health., Jonathan S. Berg, Pankaj B. Agrawal, Donald B. Bailey, Alan H. Beggs, Steven E. Brenner, Amy M. Brower, Julie A. Cakici, Ozge Ceyhan-Birsoy, Kee Chan, Flavia Chen, Robert J. Currier, Dmitry Dukhovny, Robert C. Green, Julie Harris-Wai, Ingrid A. Holm, Brenda Iglesias, Galen Joseph, Stephen F. Kingsmore, Barbara A. Koenig, Pui-Yan Kwok, John Lantos, J Steven Leeder, Megan A. Lewis, Amy L. Mcguire, Laura V. Milko, Sean D. Mooney, Richard B. Parad, Stacey Pereira, Josh E. Petrikin, Bradford C. Powell, Cynthia M. Powell, Jennifer M. Puck, Heidi L. Rehm, Neil Risch, Myra Roche, Joseph T. Shieh, Narayanan Veeraraghavan, Michael S. Watson, Laurel K. Willig, Timothy W. Yu, Tiina Urv, Anastasia L. Wise
Newborn Sequencing In Genomic Medicine And Public Health., Jonathan S. Berg, Pankaj B. Agrawal, Donald B. Bailey, Alan H. Beggs, Steven E. Brenner, Amy M. Brower, Julie A. Cakici, Ozge Ceyhan-Birsoy, Kee Chan, Flavia Chen, Robert J. Currier, Dmitry Dukhovny, Robert C. Green, Julie Harris-Wai, Ingrid A. Holm, Brenda Iglesias, Galen Joseph, Stephen F. Kingsmore, Barbara A. Koenig, Pui-Yan Kwok, John Lantos, J Steven Leeder, Megan A. Lewis, Amy L. Mcguire, Laura V. Milko, Sean D. Mooney, Richard B. Parad, Stacey Pereira, Josh E. Petrikin, Bradford C. Powell, Cynthia M. Powell, Jennifer M. Puck, Heidi L. Rehm, Neil Risch, Myra Roche, Joseph T. Shieh, Narayanan Veeraraghavan, Michael S. Watson, Laurel K. Willig, Timothy W. Yu, Tiina Urv, Anastasia L. Wise
Manuscripts, Articles, Book Chapters and Other Papers
The rapid development of genomic sequencing technologies has decreased the cost of genetic analysis to the extent that it seems plausible that genome-scale sequencing could have widespread availability in pediatric care. Genomic sequencing provides a powerful diagnostic modality for patients who manifest symptoms of monogenic disease and an opportunity to detect health conditions before their development. However, many technical, clinical, ethical, and societal challenges should be addressed before such technology is widely deployed in pediatric practice. This article provides an overview of the Newborn Sequencing in Genomic Medicine and Public Health Consortium, which is investigating the application of genome-scale sequencing …
Genome Analysis Of Clostridium Difficile Pcr Ribotype 014 Lineage In Australian Pigs And Humans Reveals A Diverse Genetic Repertoire And Signatures Of Long-Range Interspecies Transmission, Daniel R. Knight, Michael M. Squire, Deirdre A. Collins, Thomas V. Riley
Genome Analysis Of Clostridium Difficile Pcr Ribotype 014 Lineage In Australian Pigs And Humans Reveals A Diverse Genetic Repertoire And Signatures Of Long-Range Interspecies Transmission, Daniel R. Knight, Michael M. Squire, Deirdre A. Collins, Thomas V. Riley
Research outputs 2014 to 2021
Clostridium difficile PCR ribotype (RT) 014 is well-established in both human and porcine populations in Australia, raising the possibility that C. difficile infection (CDI) may have a zoonotic or foodborne etiology. Here, whole genome sequencing and high-resolution core genome phylogenetics were performed on a contemporaneous collection of 40 Australian RT014 isolates of human and porcine origin. Phylogenies based on MLST (7 loci, STs 2, 13, and 49) and core orthologous genes (1260 loci) showed clustering of human and porcine strains indicative of very recent shared ancestry. Core genome single nucleotide variant (SNV) analysis found 42 % of human strains showed …