Supporting Appendix for “A Public Resource Facilitating Clinical Use of Genomes”
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Bilateral Lower Extremity Hyperkeratotic Plaques: a Case Report of Ichthyosis Vulgaris
Faculty & Staff Scholarship 2015 Bilateral lower extremity hyperkeratotic plaques: a case report of ichthyosis vulgaris Hayley Leight Zachary Zinn Omid Jalali Follow this and additional works at: https://researchrepository.wvu.edu/faculty_publications Clinical, Cosmetic and Investigational Dermatology Dovepress open access to scientific and medical research Open Access Full Text Article CASE REPORT Bilateral lower extremity hyperkeratotic plaques: a case report of ichthyosis vulgaris Hayley Leight Abstract: Here, we report a case of a middle-aged woman presenting with severe, long-standing, Zachary Zinn hyperkeratotic plaques of the lower extremities unrelieved by over-the-counter medications. Omid Jalali Initial history and clinical findings were suggestive of an inherited ichthyosis. Ichthyoses are genetic disorders characterized by dry scaly skin and altered skin-barrier function. A diagnosis Department of Dermatology, West Virginia University, of ichthyosis vulgaris was confirmed by histopathology. Etiology, prevalence, and treatment Morgantown, WV, USA options are discussed. Keywords: filaggrin gene, FLG, profilaggrin, keratohyalin granules, hyperkeratosis Introduction For personal use only. Inherited ichthyoses are a diverse group of genetic disorders characterized by dry, scaly skin; hyperkeratosis; and altered skin-barrier function. While these disorders of cutaneous keratinization are multifaceted and varying in etiology, disruption in the stratum corneum with generalized scaling is common to all.1–4 Although not entirely known -
Development of the Stria Vascularis and Potassium Regulation in the Human Fetal Cochlea: Insights Into Hereditary Sensorineural Hearing Loss
Development of the Stria Vascularis and Potassium Regulation in the Human Fetal Cochlea: Insights into Hereditary Sensorineural Hearing Loss Heiko Locher,1,2 John C.M.J. de Groot,2 Liesbeth van Iperen,1 Margriet A. Huisman,2 Johan H.M. Frijns,2 Susana M. Chuva de Sousa Lopes1,3 1 Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, 2333 ZA, the Netherlands 2 Department of Otorhinolaryngology and Head and Neck Surgery, Leiden University Medical Center, Leiden, 2333 ZA, the Netherlands 3 Department for Reproductive Medicine, Ghent University Hospital, 9000 Ghent, Belgium Received 25 August 2014; revised 2 February 2015; accepted 2 February 2015 ABSTRACT: Sensorineural hearing loss (SNHL) is dynamics of key potassium-regulating proteins. At W12, one of the most common congenital disorders in humans, MITF1/SOX101/KIT1 neural-crest-derived melano- afflicting one in every thousand newborns. The majority cytes migrated into the cochlea and penetrated the base- is of heritable origin and can be divided in syndromic ment membrane of the lateral wall epithelium, and nonsyndromic forms. Knowledge of the expression developing into the intermediate cells of the stria vascula- profile of affected genes in the human fetal cochlea is lim- ris. These melanocytes tightly integrated with Na1/K1- ited, and as many of the gene mutations causing SNHL ATPase-positive marginal cells, which started to express likely affect the stria vascularis or cochlear potassium KCNQ1 in their apical membrane at W16. At W18, homeostasis (both essential to hearing), a better insight KCNJ10 and gap junction proteins GJB2/CX26 and into the embryological development of this organ is GJB6/CX30 were expressed in the cells in the outer sul- needed to understand SNHL etiologies. -
Essential Trace Elements in Human Health: a Physician's View
Margarita G. Skalnaya, Anatoly V. Skalny ESSENTIAL TRACE ELEMENTS IN HUMAN HEALTH: A PHYSICIAN'S VIEW Reviewers: Philippe Collery, M.D., Ph.D. Ivan V. Radysh, M.D., Ph.D., D.Sc. Tomsk Publishing House of Tomsk State University 2018 2 Essential trace elements in human health UDK 612:577.1 LBC 52.57 S66 Skalnaya Margarita G., Skalny Anatoly V. S66 Essential trace elements in human health: a physician's view. – Tomsk : Publishing House of Tomsk State University, 2018. – 224 p. ISBN 978-5-94621-683-8 Disturbances in trace element homeostasis may result in the development of pathologic states and diseases. The most characteristic patterns of a modern human being are deficiency of essential and excess of toxic trace elements. Such a deficiency frequently occurs due to insufficient trace element content in diets or increased requirements of an organism. All these changes of trace element homeostasis form an individual trace element portrait of a person. Consequently, impaired balance of every trace element should be analyzed in the view of other patterns of trace element portrait. Only personalized approach to diagnosis can meet these requirements and result in successful treatment. Effective management and timely diagnosis of trace element deficiency and toxicity may occur only in the case of adequate assessment of trace element status of every individual based on recent data on trace element metabolism. Therefore, the most recent basic data on participation of essential trace elements in physiological processes, metabolism, routes and volumes of entering to the body, relation to various diseases, medical applications with a special focus on iron (Fe), copper (Cu), manganese (Mn), zinc (Zn), selenium (Se), iodine (I), cobalt (Co), chromium, and molybdenum (Mo) are reviewed. -
Genetic Disorder
Genetic disorder Single gene disorder Prevalence of some single gene disorders[citation needed] A single gene disorder is the result of a single mutated gene. Disorder Prevalence (approximate) There are estimated to be over 4000 human diseases caused Autosomal dominant by single gene defects. Single gene disorders can be passed Familial hypercholesterolemia 1 in 500 on to subsequent generations in several ways. Genomic Polycystic kidney disease 1 in 1250 imprinting and uniparental disomy, however, may affect Hereditary spherocytosis 1 in 5,000 inheritance patterns. The divisions between recessive [2] Marfan syndrome 1 in 4,000 and dominant types are not "hard and fast" although the [3] Huntington disease 1 in 15,000 divisions between autosomal and X-linked types are (since Autosomal recessive the latter types are distinguished purely based on 1 in 625 the chromosomal location of Sickle cell anemia the gene). For example, (African Americans) achondroplasia is typically 1 in 2,000 considered a dominant Cystic fibrosis disorder, but children with two (Caucasians) genes for achondroplasia have a severe skeletal disorder that 1 in 3,000 Tay-Sachs disease achondroplasics could be (American Jews) viewed as carriers of. Sickle- cell anemia is also considered a Phenylketonuria 1 in 12,000 recessive condition, but heterozygous carriers have Mucopolysaccharidoses 1 in 25,000 increased immunity to malaria in early childhood, which could Glycogen storage diseases 1 in 50,000 be described as a related [citation needed] dominant condition. Galactosemia -
Proceedings of the 16Th Annual Meeting of the Society for Pediatric Dermatoiogy
SPECIAL ARTICLE Pediatric Dermatology Vol. 9 No. 1 66-76 Proceedings of the 16th Annual Meeting of the Society for Pediatric Dermatoiogy WiUiamsburg, Virginia June 3a-July 3, 1991 Eleanor £. Sahn, M.D. Medical University of South Carolina Charleston, South Carolina A. Howiand Hartley, M.D. Children's Hospital National Medical Center Washington, D.C. Stephen Gellis, M.D. Children's Hospital Medical Center Boston, Massachusetts James E. Rasmussen, M.D. University of Michigan Medical Center Ann Arbor, Michigan Monday, July 1, 1991 ture by the newspaper account he received, dated December 17, 1799, telling of General George Dr. Alfred T. Lane (Stanford University) orga- Washington's death. We learn the story of General nized the sixteenth annual meeting of the Society Washington's rapid demise, probably from bacterial for Pediatric Dermatology, held in Wiliiamsburg, infection, hastened by the medical treatments of the Virgitiia. The seventh annual Sidney Hurwitz Lec- day, including frequent and copious blood letting. ture was delivered by Dr. Rona M. MacKie (Uni- There was a current saying, "more people died an- versity of Glasgow) on "Melanoma: Risk Factors in nually from lancets than from swords." Dysplastic Nevus Syndrome." President Anne Lucky (Cincinnati, Ohio) welcomed the society MELANOMA: RISK FACTORS AND members to Wiliiamsburg and introduced the first DYSPLASTIC NEVUS SYNDROME speaker. Dr. Rona MacKie first discussed risk factors in mel- anoma, citing several large case control studies car- COLONIAL MEDICINE ried out in western Canada, Scotland, Scandinavia, Dr. Tor A. Shwayder (Henry Ford Hospital) pre- and Germany. The frequency of melanoma has dou- sented a delightful and professional "Character In- bled each decade in Scandinavia, the United King- terpreter Portrayal of Iseiac Shwayder, Medical dom, and Germany. -
Clinical Genetics of Defects in Thyroid Hormone Synthesis
Review article https://doi.org/10.6065/apem.2018.23.4.169 Ann Pediatr Endocrinol Metab 2018;23:169-175 Clinical genetics of defects in thyroid hormone synthesis Min Jung Kwak, MD, PhD Thyroid dyshormonogenesis is characterized by impairment in one of the several stages of thyroid hormone synthesis and accounts for 10%–15% of Department of Pediatrics, Pusan congenital hypothyroidism (CH). Seven genes are known to be associated with National University Hospital, Pusan thyroid dyshormonogenesis: SLC5A5 (NIS), SCL26A4 (PDS), TG, TPO, DUOX2, National University School of Medicine, Busan, Korea DUOXA2, and IYD (DHEAL1). Depending on the underlying mechanism, CH can be permanent or transient. Inheritance is usually autosomal recessive, but there are also cases of autosomal dominant inheritance. In this review, we describe the molecular basis, clinical presentation, and genetic diagnosis of CH due to thyroid dyshormonogenesis, with an emphasis on the benefits of targeted exome sequencing as an updated diagnostic approach. Keywords: Congenital hypothyroidism, Dyshormonogenesis, Genetics, Whole exome sequencing Introduction Congenital hypothyroidism (CH) is the most common pediatric endocrinological disorder and an important cause of preventable mental retardation.1) After the introduction of neonatal screening for CH, the incidence was 1 case per 3,684 live births,2) but the incidence has increased to 1 case per 1,000–2,000 live births of late.3) Primary CH is usually caused by abnormal thyroid gland development, but 10%–15% of cases are caused -
Mutation and Expression of Abca12in Keratosis Pilaris and Nevus
MOLECULAR MEDICINE REPORTS 18: 3153-3158, 2018 Mutation and expression of ABCA12 in keratosis pilaris and nevus comedonicus FEN LIU1,2*, YAO YANG1,3*, YAN ZHENG1,3, YAN-HUA LIANG1,3 and KANG ZENG1 1Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515; 2Department of Histology and Embryology, Institute of Neuroscience, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035; 3Department of Dermatology, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong 518100, P.R. China Received June 22, 2017; Accepted April 17, 2018 DOI: 10.3892/mmr.2018.9342 Abstract. Keratosis pilaris (KP) and nevus comedonicus Introduction (NC) are congenital keratinized dermatoses; however, the exact etiology of these two diseases is unclear. The objective Keratosis pilaris (KP; OMIM #604093), also known as of the present study was to identify the disease-causing genes lichen pilaris, is a benign genodermatosis that is estimated and their association with functional alterations in the devel- to effect ~40% of the population (1). KP is characterized by opment of KP and NC. Peripheral blood samples of one KP the presence of symmetric, asymptomatic and grouped kera- family, two NC families and 100 unrelated healthy controls totic follicular papules with varying degrees of perifollicular were collected. The genomic sequences of 147 genes associ- erythema. KP lesions often involve the proximal and extended ated with 143 genetic skin diseases were initially analyzed parts of extremities, the cheeks and the buttocks (2). Cases from the KP proband using a custom-designed GeneChip. A may be generalized or unilateral (2). Most patients develop KP novel heterozygous missense mutation in the ATP-binding in their childhood, with a peak in incidence during adoles- cassette sub-family A member 12 (ABCA12) gene, designated cence (3). -
Clinical, Radiologic, and Molecular Studies
0031-3998/02/5104-0479 PEDIATRIC RESEARCH Vol. 51, No. 4, 2002 Copyright © 2002 International Pediatric Research Foundation, Inc. Printed in U.S.A. Differential Diagnosis between Pendred and Pseudo-Pendred Syndromes: Clinical, Radiologic, and Molecular Studies LAURA FUGAZZOLA, NADIA CERUTTI, DEBORAH MANNAVOLA, ANTONINO CRINÒ, ALESSANDRA CASSIO, PIETRO GASPARONI, GUIA VANNUCCHI, AND PAOLO BECK-PECCOZ Institute of Endocrine Sciences, University of Milan [L.F., D.M., G.V., P.B.-P.], Ospedale Maggiore IRCCS [L.F., P.B.-P.], and Istituto Clinico Humanitas [L.F.], Milan, Italy; Department of Internal Medicine, University of Pavia, Italy [N.C.]; Autoimmune Diseases Endocrine Unit, Bambin Gesù Hospital, Rome, Italy [A. Crinò]; Department of Pediatrics, University of Bologna, Italy [A. Cassio]; and Endocrinology Unit, General Medicine, Castelfranco Veneto Hospital, Castelfranco Veneto (TV) Italy [P.G.]. ABSTRACT The disease gene for Pendred syndrome has been recently is located in the first base pair of intron 14, probably affecting the characterized and named PDS. It codes for a transmembrane splicing of the PDS gene. Clinically, all patients had goiter with protein called pendrin, which is highly expressed at the apical positive perchlorate test, hypothyroidism, and severe or profound surface of the thyroid cell and functions as a transporter of sensorineural hearing loss. In all the individuals harboring PDS chloride and iodide. Pendrin is also expressed at the inner ear mutations, but not in the family without PDS mutations, inner ear level, where it appears to be involved in the maintenance of the malformations, such as enlargement of the vestibular aqueduct endolymph homeostasis in the membranous labyrinth, and in the and of the endolymphatic duct and sac, were documented. -
Prestin Is the Motor Protein of Cochlear Outer Hair Cells
articles Prestin is the motor protein of cochlear outer hair cells Jing Zheng*, Weixing Shen*, David Z. Z. He*, Kevin B. Long², Laird D. Madison² & Peter Dallos* * Auditory Physiology Laboratory (The Hugh Knowles Center), Departments of Neurobiology and Physiology and Communciation Sciences and Disorders, Northwestern University, Evanston, Illinois 60208, USA ² Center for Endocrinology, Metabolism, and Molecular Medicine, Department of Medicine, Northwestern University Medical School, Chicago, Illinois 60611, USA ............................................................................................................................................................................................................................................................................ The outer and inner hair cells of the mammalian cochlea perform different functions. In response to changes in membrane potential, the cylindrical outer hair cell rapidly alters its length and stiffness. These mechanical changes, driven by putative molecular motors, are assumed to produce ampli®cation of vibrations in the cochlea that are transduced by inner hair cells. Here we have identi®ed an abundant complementary DNA from a gene, designated Prestin, which is speci®cally expressed in outer hair cells. Regions of the encoded protein show moderate sequence similarity to pendrin and related sulphate/anion transport proteins. Voltage-induced shape changes can be elicited in cultured human kidney cells that express prestin. The mechanical response of outer hair cells -
Sudden Sensorineural Hearing Loss and Polymorphisms in Iron Homeostasis Genes: New Insights from a Case-Control Study
Hindawi Publishing Corporation BioMed Research International Volume 2015, Article ID 834736, 10 pages http://dx.doi.org/10.1155/2015/834736 Research Article Sudden Sensorineural Hearing Loss and Polymorphisms in Iron Homeostasis Genes: New Insights from a Case-Control Study Alessandro Castiglione,1 Andrea Ciorba,2 Claudia Aimoni,2 Elisa Orioli,3 Giulia Zeri,3 Marco Vigliano,3 and Donato Gemmati3 1 Department of Neurosciences-Complex Operative Unit of Otorhinolaryngology and Otosurgery, University Hospital of Padua, Via Giustiniani 2, 35128 Padua, Italy 2ENT & Audiology Department, University Hospital of Ferrara, Via Aldo Moro 8, 44124 Cona, Ferrara, Italy 3Centre for Haemostasis & Thrombosis, Haematology Section, Department of Medical Sciences, University of Ferrara, 44100 Ferrara, Italy Correspondence should be addressed to Alessandro Castiglione; [email protected] Received 15 September 2014; Revised 15 December 2014; Accepted 6 January 2015 Academic Editor: Song Liu Copyright © 2015 Alessandro Castiglione et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Background. Even if various pathophysiological events have been proposed as explanations, the putative cause of sudden hearing loss remains unclear. Objectives. To investigate and to reveal associations (if any) between the main iron-related gene variants and idiopathic sudden sensorineural hearing loss. -
Metabolic Alkalosis
DOI: 10.5772/intechopen.78724 ProvisionalChapter chapter 3 Metabolic Alkalosis HollyHolly Mabillard Mabillard and John A. SayerJohn A. Sayer Additional information is available at the end of the chapter http://dx.doi.org/10.5772/intechopen.78724 Abstract Metabolic alkalosis is a disorder where the primary defect, an increase in plasma bicar- bonate concentration, leads to an increase in systemic pH. Here we review the causes of metabolic alkalosis with an emphasis on the inherited causes, namely Gitelman syn- drome and Bartter syndrome and syndromes which mimic them. We detail the impor- tance of understanding the kidney pathophysiology and molecular genetics in order to distinguish these syndromes from acquired causes. In particular we discuss the tubular transport of salt in the thick ascending limb of the loop of Henle, the distal convoluted tubule and the collecting duct. The effects of salt wasting, namely an increase in the renin- angiotensin-aldosterone axis are discussed in order to explain the biochemical pheno- types and targeted treatment approaches to these conditions. Keywords: salt-wasting, inherited tubulopathy, renin-angiotensin-aldosterone axis 1. Introduction Metabolic alkalosis is a disorder where the primary defect, an increase in plasma bicarbon- ate concentration, leads to an increase in systemic pH. Various mechanisms underpin the pathophysiology of metabolic alkalosis, which is defined by an arterial bicarbonate concen- tration of over 28 mmol/L or a venous total carbon dioxide concentration of greater than 30 mmol/L. The body compensates for alkali retention and subsequent elevated arterial pH by inducing respiratory hypoventilation resulting in an accompanying rise in PaCO2. Normally the kidney, which has a protective mechanism against the development of significant increases in bicarbonate, will excrete excess alkali to restore the body to its homeostatic pH, but certain factors can impair this ability resulting in a sustained alkalotic state. -
Clinical Laboratory Services
The Commonwealth of Massachusetts Executive Office of Health and Human Services Office of Medicaid One Ashburton Place, Room 1109 Boston, Massachusetts 02108 Administrative Bulletin 15-03 DANIEL TSAI CHARLES D. BAKER Governor 101 CMR 320.00: Clinical Laboratory Assistant Secretary for MassHealth KARYN E. POLITO Services Lieutenant Governor Tel: (617) 573-1600 Effective January 1, 2015 MARYLOU SUDDERS Fax: (617) 573-1891 Secretary www.mass.gov/eohhs Procedure Code Update Under the authority of regulation 101 CMR 320.01(3), the Executive Office of Health and Human Services is adding new procedure codes and is deleting outdated codes. The rates for code additions are priced at 74.67% of the prevailing Medicare fee if available. The changes, effective January 1, 2015, are as follows. Code Change Rate Code Description (if applicable) 80100 Deletion 80101 Deletion 80103 Deletion 80104 Deletion 80163 Addition $13.49 Digoxin; free 80165 Addition $13.77 Valproic acid (dipropylacetic acid); total 80440 Deletion 81246 Addition I.C. FLT3 (fms-related tyrosine kinase 3) (e.g., acute myeloid leukemia), gene analysis; internal tandem duplication (ITD) variants (IE, exons 14,15) 81288 Addition I.C. MLH1 (mutL homolog 1, colon cancer, nonpolyposis type 2) (e.g., hereditary non-polyposis colorectal cancer, Lynch syndrome) gene analysis; promoter methylation analysis 81313 Addition I.C. PCA3/KLK3 (prostate cancer antigen 3 [non-protein coding]/kallikrien- related peptidase 3 [prostate specific antigen]) ratio (e.g., prostate cancer) 81410 Addition I.C. Aortic dysfunction or dilation (e.g., Marfan syndrome, Loeys Dietz syndrome, Ehler Danlos syndrome type IV, arterial tortuosity syndrome); genomic sequence analysis panel, must include sequencing of at least 9 genes, including FBN1, TGFBR1, TGFBR2, COL3A1, MYH11, ACTA2, SLC2A10, SMAD3, and MYLK 81411 Addition I.C.