Hypoparathyroidism and Pseudohypoparathyroidism

Geoffrey N Hendy; David EC Cole; Murat Bastepe

Hypoparathyroidism and Pseudohypoparathyroidism

Review

In: Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc.; 2000.

2017 Feb 19.

Authors

Geoffrey N Hendy¹, David EC Cole², Murat Bastepe³

Book Editors

Kenneth R Feingold¹, Bradley Anawalt², Marc R Blackman³, Alison Boyce⁴, George Chrousos⁵, Emiliano Corpas⁶, Wouter W de Herder⁷, Ketan Dhatariya⁸, Kathleen Dungan⁹, Johannes Hofland¹⁰, Sanjay Kalra¹¹, Gregory Kaltsas¹², Nitin Kapoor¹³, Christian Koch¹⁴, Peter Kopp¹⁵, Márta Korbonits¹⁶, Christopher S Kovacs¹⁷, Wendy Kuohung¹⁸, Blandine Laferrère¹⁹, Miles Levy²⁰, Elizabeth A McGee²¹, Robert McLachlan²², Maria New²³, Jonathan Purnell²⁴, Rakesh Sahay²⁵, Amy S Shah²⁶, Frederick Singer²⁷, Mark A Sperling²⁸, Constantine A Stratakis²⁹, Dace L Trence³⁰, Don P Wilson³¹

Affiliations

¹ Professor, Departments of Medicine, Physiology and Human Genetics, McGill University, Montreal, Quebec, Canada.
² Professor, Departments of Laboratory Medicine and Pathology, Medicine and Genetics, University of Toronto, Toronto, Ontario, Canada.
³ Associate Professor, Harvard Medical School, Endocrine Unit, Massachusetts General Hospital, Boston MA. USA

Book Affiliations

¹ Professor of Medicine Emeritus, University of California, San Francisco, CA
² Chief of Medicine at the University of Washington Medical Center and Professor and Vice Chair of the Department of Medicine, University of Washington
³ Sr. Physician Scientist, Washington DC VA Medical Center; Professor of Medicine & Rehabilitation Medicine, Georgetown University; Clinical Professor of Medicine, Biochemistry and Molecular Medicine, George Washington University; and Professor of Medicine (Part-time), Johns Hopkins University
⁴ Pediatric Endocrinologist and Associate Research Physician in the Skeletal Diseases and Mineral Homeostasis Section, National Institute of Dental and Craniofacial Research, National Institutes of Health
⁵ Professor of Pediatrics and Endocrinology, Division of Endocrinology, Metabolism and Diabetes, First Department of Pediatrics, National and Kapodistrian University of Athens Medical School, "Aghia Sophia" Children's Hospital, Athens, Greece
⁶ M.D. Ph.D in Gerontology. Honorary Professor of Medicine, Universidad de Alcalá, Madrid. Consultant in Endocrinology, Hospital HLA Guadalajara (Spain).
⁷ Professor of Endocrine Oncology, Erasmus MC and Erasmus MC Cancer Center, Rotterdam, the Netherlands
⁸ Consultant in Diabetes, Endocrinology and General Medicine, Norfolk and Norwich University Hospitals NHS Foundation Trust and University of East Anglia, Norwich, UK.
⁹ Professor of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Ohio State University
¹⁰ Consultant Endocrinologist, Erasmus MC and Erasmus MC Cancer Center, Rotterdam, the Netherlands
¹¹ Consultant Endocrinologist, Department of Endocrinology, Bharti Hospital, Karnal, India
¹² Professor of General Medicine-Endocrinology, 1st Department of Propaedeutic Medicine, National and Kapodistrian University of Athens, Athens, Greece
¹³ Professor of Endocrinology, Department of Endocrinology, Diabetes and Metabolism, Christian Medical College & Hospital, Vellore, Tamil Nadu, India, Melbourne School of Population and Global Health, Faculty of Medicine, Dentistry and Health Science, The University of Melbourne, Australia.
¹⁴ Professor, The University of Tennessee Health Science Center, Memphis, Tennessee
¹⁵ Professor of Medicine and Chief of the Division of Endocrinology, Diabetology and Metabolism, University of Lausanne, Switzerland
¹⁶ Professor of Endocrinology and Metabolism, Centre Lead for Endocrinology and Deputy Institute Director, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, England
¹⁷ University Research Professor and Professor of Medicine (Endocrinology and Metabolism), Obstetrics & Gynecology, and BioMedical Sciences, at Memorial University of Newfoundland in St. John’s, Newfoundland, Canada.
¹⁸ Director of the Division of Reproductive Endocrinology at Boston Medical Center and an Associate Professor of Obstetrics and Gynecology at the Boston University School of Medicine
¹⁹ Professor of Medicine, New York Nutrition Obesity Research Center, Division of Endocrinology, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA.
²⁰ Consultant endocrinologist at University Hospitals of Leicester and Honorary Associate Professor at Leicester University
²¹ Professor of Obstetrics and Gynecology at the University of Vermont and Director of the Division of Reproductive Endocrinology and Infertility. Burlington, Vermont
²² Director of Clinical Research, Hudson Institute of Medical Research; Consultant Endocrinologist, Monash Medical Centre, Melbourne, Australia
²³ Professor of Pediatrics, Professor of Genetics and Genomic Sciences, and Chief of the Adrenal Steroid Disorders Program, Icahn School of Medicine, Mount Sinai School of Medicine, New York, NY
²⁴ Professor of Medicine, Knight Cardiovascular Institute and the Division of Endocrinology, and Associate Director, Bob and Charlee Moore Institute for Nutrition and Wellness, Oregon Health and Science University, Portland, OR
²⁵ Professor and Head of Department of Endocrinology, Osmania Medical College and Osmania General Hospital, Hyderabad, India.
²⁶ Professor of Pediatrics, The University of Cincinnati, Department of Pediatrics and Cincinnati Children’s Hospital Medical Center, Division of Endocrinology, Cincinnati, OH, USA
²⁷ Director of the Endocrine/Bone Disease Program, Saint Johns Cancer Institute at Saint John’s Health Center, Santa Monica, CA; Clinical Professor of Medicine, UCLA School of Medicine, Los Angeles, CA
²⁸ Professorial Lecturer, Division of Pediatric Endocrinology and Diabetes, Icahn School of Medicine at Mount Sinai, New York, NY. Emeritus Professor and Chair, Department of Pediatrics, University of Pittsburgh.
²⁹ CSO, ELPEN, Inc. & Director, Research Institute, Athens, Greece & Senior Investigator, Human Genetics & Precision Medicine, FORTH (ITE), Heraklion, Greece. Emeritus Scientific Director & Senior Investigator, NICHD, NIH, Bethesda, MD, USA
³⁰ Professor of Medicine, Emeritus, University of Washington, Seattle, WA
³¹ Endowed Chair, Cardiovascular Health and Risk Prevention, Pediatric Endocrinology and Diabetes, Cook Children's Medical Center, Fort Worth, TX

PMID: 25905388
Bookshelf ID: NBK279165

Excerpt

In primary hypoparathyroidism with hypocalcemia and hyperphosphatemia, deficient parathyroid hormone (PTH) secretion most commonly occurs from surgical excision of, or damage to, the parathyroid glands. The term idiopathic hypoparathyroidism describes isolated cases when a cause is not obvious and there is no family history. However, hypoparathyroidism is also a feature common to a variety of hereditable syndromes that may present de novo. Familial isolated hypoparathyroidism may show autosomal dominant, autosomal recessive, or X-linked inheritance. Genes involved include PTH, SOX3, CASR, GNA11 and GCM2. Parathyroid hypoplasia is a frequent feature of 22q11.2 deletion syndrome with involvement of the TBX1 gene. The Hypoparathyroidism, Nerve Deafness, and Renal Dysplasia syndrome is due to haploinsufficiency of the GATA3 gene. Antibodies against parathyroid tissue are found in isolated hypoparathyroidism or combined with other endocrine deficiencies. Antibodies against the CASR occur in type 1 autoimmune polyglandular syndrome, due to mutations of the AIRE gene, or in acquired hypoparathyroidism. Disorders characterized by end-organ resistance to PTH are described collectively by the term pseudohypoparathyroidism (PHP) and PHP 1a and PHP 1b are caused by maternally-inherited changes at the complex imprinted GNAS locus at 20q13.32 that encodes the Gsα protein. Deleterious mutations of the PTHR1 gene show resistance to PTH and PTHrP and present as Blomstrand lethal chondrodysplasia, Eiken syndrome, endochondromatosis, and primary failure of tooth eruption. Calcium and vitamin D are the standard therapy for management of hypoparathyroidism with hormone replacement [recombinant human PTH(1-84)] therapy recently becoming an option. Calcilytics, PTH analogs and orally-active small molecule PTHR1 agonists may, in the future, join the treatment armamentarium. For complete coverage of this and related areas in Endocrinology, visit our free web-books, www.endotext.org and www.thyroidmanager.org.

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