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Nishimura N, Hori S, Omori C, Miyake M, Anai S, Torimoto K, Aoki K, Tanaka N, Yoneda T, Fujimoto K. Living-donor kidney transplantation for a patient with hypoparathyroidism, deafness, and renal dysplasia syndrome. IJU Case Rep 2020; 3:244-247. [PMID: 33163915 PMCID: PMC7609182 DOI: 10.1002/iju5.12205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 12/27/2022] Open
Abstract
INTRODUCTION Hypoparathyroidism, sensorineural deafness, and renal dysplasia syndrome is an autosomal dominant rare genetic disease. Some patients with hypoparathyroidism, sensorineural deafness, and renal dysplasia syndrome may present with renal calcification (nephrocalcinosis) and disorder. We report the first case of living-donor kidney transplantation for a patient with hypoparathyroidism, sensorineural deafness, and renal dysplasia syndrome. CASE PRESENTATION This case pertains to a 26-year-old woman who was diagnosed with congenital hypoparathyroidism 1 month after birth, following which vitamin D supplementation was initiated. In 20XX, she developed nephrocalcinosis and was confirmed to have a GATA3 mutation; hence, she was diagnosed with hypoparathyroidism, sensorineural deafness, and renal dysplasia syndrome. In 20XX + 7, ABO-incompatible living-donor kidney transplantation was performed. Her renal function improved, and graft calcification was not observed. CONCLUSION Over intake of vitamin D caused nephrocalcinosis. The renal function was improved after living-donor kidney transplantation and the patient's serum calcium levels normalized without vitamin D supplementation. Therefore, kidney transplantation should be considered a treatment option for patients with hypoparathyroidism, sensorineural deafness, and renal dysplasia syndrome.
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Affiliation(s)
| | - Shunta Hori
- Department of UrologyNara Medical UniversityNaraJapan
| | - Chihiro Omori
- Department of UrologyNara Medical UniversityNaraJapan
| | - Makito Miyake
- Department of UrologyNara Medical UniversityNaraJapan
| | - Satoshi Anai
- Department of UrologyNara Medical UniversityNaraJapan
| | | | - Katsuya Aoki
- Department of UrologyNara Medical UniversityNaraJapan
| | | | - Tatsuo Yoneda
- Department of UrologyNara Medical UniversityNaraJapan
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Barakat AJ, Raygada M, Rennert OM. Barakat syndrome revisited. Am J Med Genet A 2018; 176:1341-1348. [PMID: 29663634 DOI: 10.1002/ajmg.a.38693] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 02/10/2018] [Accepted: 03/09/2018] [Indexed: 01/23/2023]
Abstract
Barakat syndrome also known as HDR syndrome (Online Mendelian Inheritance in Man [OMIM] 146255), was first described by Barakat et al. in . It is a rare genetic disorder characterized by the triad of hypoparathyroidism "H," sensorineural deafness "D," and renal disease "R." The defect is caused by deletions in chromosome 10p14 or mutations in the GATA3 gene. Although the syndrome has been phenotypically defined by this triad the literature identifies cases with different components with, or without GATA3 defects making the definition of the syndrome confusing. We analyzed 180 cases and attempted to define the phenotype of the syndrome and suggest guidelines for diagnosis. We suggest that the diagnosis could be confirmed in patients who have all three components, and in those who have two components with a positive family history. GATA3 testing is optional to establish the diagnosis in these patients. The syndrome should be considered in patients with isolated "D" where other causes of "D" have been excluded and those with isolated "R," especially if there is family history of any of these components. In these instances, confirmatory GATA3 testing is indicated to confirm the diagnosis. In patients with nonsurgical "H," where "D" and "R" have been conclusively ruled out GATA3 studies are not needed as none of these patients were shown to be GATA3 haploinsufficient. Only 64.4% of patients in our review had "HDR." Some findings might have not been recognized or may could have appeared later in life, but it is evident that this syndrome is genotypically heterogeneous.
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Affiliation(s)
| | - Margarita Raygada
- Georgetown University Medical Center, Washington, DC
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, Maryland
| | - Owen M Rennert
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, Maryland
- Department of Pediatrics, Georgetown University Medical Center, Washington, DC
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Seizure, deafness, and renal failure: a case of barakat syndrome. Case Rep Nephrol 2013; 2013:261907. [PMID: 24527244 PMCID: PMC3914172 DOI: 10.1155/2013/261907] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 09/08/2013] [Indexed: 11/22/2022] Open
Abstract
Barakat syndrome (also known as HDR syndrome) is an autosomal dominant disorder characterized by hypoparathyroidism, sensorineural deafness, and renal disease caused by mutation of the GATA3 gene located at chromosome 10p15. The exact prevalence of this disorder is not known but is very rare, with only about a dozen cases reported in the literature. Here, we report a case of 58-year-old man from Ardabil who presented with seizure due to hypocalcemia. Further history revealed bilateral deafness. Audiogram confirmed sensorineural hearing loss of both sides. His laboratory data were consistent with hypoparathyroidism and renal failure. He was diagnosed to have Barakat syndrome based on his clinical and laboratory data. In conclusion, we need to be aware of rare inherited conditions in a patient with abnormal physical and laboratory findings even though their initial presentation was seizure and hypocalcemia.
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Abstract
Mitochondrial disorders are genetic defects of oxidative phosphorylation. Oxidative phosphorylation takes place in the mitochondrial inner membrane and consists of the oxidation of fuel molecules by oxygen and the concomitant energy transduction into ATP. The mitochondrial respiratory chain is a complex metabolic pathway. It is made of approximately 100 polypeptides, most of which are encoded in the nucleus whereas 13 are encoded in the mitochondria. Mitochondrial DNA is maternally inherited and its mutations are transmitted by the mother. During cell division, mitochondria are randomly partitioned in daughter cells. Therefore, in case normal and mutant DNA are present in the mother's cells, some lineage may have only mutant mitochondrial DNA or normal mitochondrial DNA while others may have both mutant and normal DNA, a condition named heteroplasmy. Renal involvement in mitochondrial cytopathies is rare. Patients most often present with a more or less complete de Toni-Debré-Fanconi syndrome. A few patients present with a nephrotic syndrome or with chronic tubulointerstitial nephritis. The investigation of patients with mitochondrial disorders include metabolic screening for abnormal oxidoreduction status in plasma, investigation of the mitochondrial respiratory chain, including polarographic and spectrophotometric studies, histopathologic studies and genetic studies.
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Affiliation(s)
- Patrick Niaudet
- Service de néphrologie pédiatrique, université Paris Descartes, hôpital Necker-Enfants-Malades, 149, rue de Sèvres, 75743 Paris cedex 15, France.
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Al-Shibli A, Al Attrach I, Willems PJ. Novel DNA mutation in the GATA3 gene in an Emirati boy with HDR syndrome and hypomagnesemia. Pediatr Nephrol 2011; 26:1167-70. [PMID: 21399899 DOI: 10.1007/s00467-011-1835-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2010] [Revised: 02/15/2011] [Accepted: 02/17/2011] [Indexed: 10/18/2022]
Abstract
We report the case of a young Emirati boy with HDR (Hypoparathyroidism, sensorineural Deafness, and Renal hypoplasia) syndrome due to the novel heterozygous deletion of two nucleotides (c.35_36delGC ) in exon 2 of the GATA3 gene. The patient developed hypocalcemia and hypomagnesemia at 3 weeks of age with high fractional excretion of magnesium, indicating renal magnesium loss. This is the first published report of hypomagnesemia in association with HDR syndrome.
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Affiliation(s)
- Amar Al-Shibli
- Department of Pediatrics, Tawam Hospital, P.O. Box 15258, Al-Ain, United Arab Emirates.
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Kato Y, Wada N, Numata A, Kakizaki H. Case of hypoparathyroidism, deafness and renal dysplasia (HDR) syndrome associated with nephrocalcinosis and distal renal tubular acidosis. Int J Urol 2007; 14:440-2. [PMID: 17511729 DOI: 10.1111/j.1442-2042.2007.01756.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hypoparathyroidism, deafness and renal dysplasia (HDR) syndrome is an autosomal dominant disorder characterized by hypoparathyroidism, sensorineural deafness and renal dysplasia. Herein, we report a case of HDR syndrome associated with nephrocalcinosis and distal renal tubular acidosis. A 34-year-old woman was admitted to investigate recurrent stone formation and bilateral nephrocalcinosis. As a 3-year-old child, she had been diagnosed with HDR syndrome without chromosome evaluation. She had spontaneous stone passages on several occasions. On laboratory examination, serum calcium and intact parathyroid hormone at lower levels. Urinary citrate excretion was extremely low at 51.6 mg/day. On an ammonium chloride loading test, complete distal renal tubular acidosis was proved. To prevent the nephrocalcinosis from deteriorating, she was given potassium-sodium citrate. Since administration, she has not experienced spontaneous stone passage or renal colic. Nephrocalcinosis and recurrent urolithiasis will strongly affect renal prognosis in this case and we consider that citrate medication is an effective therapy in avoiding progress of her nephrocalcinosis.
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Affiliation(s)
- Yuji Kato
- Department of Urology, Asahikawa Medical College, Asahikawa, Japan.
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Courtens W, Wuyts W, Poot M, Szuhai K, Wauters J, Reyniers E, Eleveld M, Diaz G, Nöthen MM, Parvari R. Hypoparathyroidism-retardation-dysmorphism syndrome in a girl: A new variant not caused by aTBCEmutation-clinical report and review. Am J Med Genet A 2006; 140:611-7. [PMID: 16470743 DOI: 10.1002/ajmg.a.31122] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Hypoparathyroidism-retardation-dysmorphism (HRD) or Sanjad-Sakati syndrome (SSS) (OMIM 241410) is a rare autosomal recessive (AR) inherited condition, characterized by congenital hypoparathyroidism (hypoPTH), retardation, seizures, and a typical facial dysmorphism, consisting of prominent forehead, deep-set eyes, and abnormal external ears. This disorder has been mapped to the long arm of chromosome 1 (1q42-q43) and mutations in the gene coding for tubulin-specific chaperone E (TBCE) have been identified as the cause of the disease. Mutations in the same gene were also reported in patients with AR Kenny-Caffey syndrome (KCS). We report on a 41/2-year-old girl with congenital hypoPTH, seizures, developmental delay, and a facial dysmorphism, compatible with HRD syndrome. Mutation analyses revealed no mutations in the TBCE gene. In addition, normal TBCE protein and alpha-tubulin immunostaining were observed in a lymphoblastoid line derived from the patient, excluding the TBCE gene as the causative gene of the syndrome in this patient. A de novo microduplication of probe RP11-262I1 on 4q35 in the proposita was detected by microarray analyses, but this could not be confirmed by additional studies. We review and discuss the clinical findings of our case and those of the other reported cases with SSS and AR KCS. We conclude that a second gene locus for this disorder seems probable and that 4q35 needs further evaluation as a candidate region.
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Affiliation(s)
- Winnie Courtens
- Department of Medical Genetics, University Hospital Antwerp, Antwerp, Belgium.
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Abstract
Congenital anomalies of the kidney and urinary tract are responsible for approximately 40% of cases of childhood end-stage renal failure in the United States. This article describes the spectrum of developmental renal lesions in children (including renal agenesis, dysplasias, hereditary hydronephrosis, autosomal recessive and dominant polycystic kidneys, vesicoureteral reflux, diabetic embryopathy, some teratogenic drugs affecting renal development, and syndromes associated with renal dysplasias). The article quotes some historic references that established the foundation for further studies; reviews the embryology, pathology, postnatal renal development, and its possible consequences of renal function; as well as recent advances in fetal ultrasonography and molecular biology with some novel treatment and diagnostic modalities. Finally, an attempt is made to predict several future avenues in pharmacogenetics that are being built currently and that will allow a better prognosis for many children with congenital renal conditions.
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Affiliation(s)
- Maria M Rodriguez
- University of Miami, School of Medicine, Jackson Children's Hospital, Department of Pathology, 1611 NW 12 Avenue, Miami, FL 33184, USA.
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Hameed R, Raafat F, Ramani P, Gray G, Roper HP, Milford DV. Mitochondrial cytopathy presenting with focal segmental glomerulosclerosis, hypoparathyroidism, sensorineural deafness, and progressive neurological disease. Postgrad Med J 2001; 77:523-6. [PMID: 11470934 PMCID: PMC1742114 DOI: 10.1136/pmj.77.910.523] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
A 6 year old boy who presented with steroid unresponsive nephrotic syndrome is reported. He was found to have focal segmental glomerulosclerosis and associated hypoparathyroidism and sensorineural deafness. The child progressed to end stage renal failure and was successfully managed by dialysis and cadaveric renal transplantation. He later developed progressive neurological deterioration and mitochondrial myopathy and neuropathy was diagnosed.
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Affiliation(s)
- R Hameed
- Birmingham Children's Hospital, Steelhouse Lane, Birmingham B4 6NH, UK
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Fujimoto S, Yokochi K, Morikawa H, Nakano M, Shibata H, Togari H, Wada Y. Recurrent cerebral infarctions and del(10)(p14p15.1) de novo in HDR (hypoparathyroidism, sensorineural deafness, renal dysplasia) syndrome. AMERICAN JOURNAL OF MEDICAL GENETICS 1999; 86:427-9. [PMID: 10508983 DOI: 10.1002/(sici)1096-8628(19991029)86:5<427::aid-ajmg6>3.0.co;2-i] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
We report on a Japanese boy with HDR syndrome (hypoparathyroidism, sensorineural deafness, renal dysplasia) and recurrent cerebral infarctions in the basal ganglia. The patient experienced cerebral infarctions four times between age 7 months and age 20 months. Chromosome analysis of the patient demonstrated a 46,XY, del(10)(p14p15.1) de novo. This suggests that the putative gene responsible for HDR syndrome is located at 10p14-p15.1.
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Affiliation(s)
- S Fujimoto
- Department of Pediatrics, Nagoya City University Medical School, Nagoya, Japan.
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11
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Parvari R, Hershkovitz E, Kanis A, Gorodischer R, Shalitin S, Sheffield VC, Carmi R. Homozygosity and linkage-disequilibrium mapping of the syndrome of congenital hypoparathyroidism, growth and mental retardation, and dysmorphism to a 1-cM interval on chromosome 1q42-43. Am J Hum Genet 1998; 63:163-9. [PMID: 9634513 PMCID: PMC1377236 DOI: 10.1086/301915] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The syndrome of hypoparathyroidism associated with growth retardation, developmental delay, and dysmorphism (HRD) is a newly described, autosomal recessive, congenital disorder with severe, often fatal consequences. Since the syndrome is very rare, with all parents of affected individuals being consanguineous, it is presumed to be caused by homozygous inheritance of a single recessive mutation from a common ancestor. To localize the HRD gene, we performed a genomewide screen using DNA pooling and homozygosity mapping for apparently unlinked kindreds. Analysis of a panel of 359 highly polymorphic markers revealed linkage to D1S235. The maximum LOD score obtained was 4.11 at a recombination fraction of 0. Analysis of three additional markers-GGAA6F06, D1S2678, and D1S179-in a 2-cM interval around D1S235 resulted in LOD scores >3. Analysis of additional chromosome 1 markers revealed evidence of genetic linkage disequilibrium and place the HRD locus within an approximately 1-cM interval defined by D1S1540 and D1S2678 on chromosome 1q42-43.
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Affiliation(s)
- R Parvari
- Genetics Institute, Soroka Medical Center, Beer-Sheva, Israel.
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Hasegawa T, Hasegawa Y, Aso T, Koto S, Nagai T, Tsuchiya Y, Kim KC, Ohashi H, Wakui K, Fukushima Y. HDR syndrome (hypoparathyroidism, sensorineural deafness, renal dysplasia) associated with del(10)(p13). AMERICAN JOURNAL OF MEDICAL GENETICS 1997; 73:416-8. [PMID: 9415468 DOI: 10.1002/(sici)1096-8628(19971231)73:4<416::aid-ajmg9>3.0.co;2-l] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A combination of hypoparathyroidism, sensorineural deafness, and renal dysplasia has been considered to be a new syndrome inherited in an autosomal dominant fashion; we name the condition "HDR syndrome." We describe a Japanese girl who has HDR syndrome associated with de novo del(10)(p13). The chromosome deletion suggests that the putative gene(s) responsible for HDR syndrome is located at a 10pter-->p13 region.
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Affiliation(s)
- T Hasegawa
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
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Bassett JH, Thakker RV. Molecular genetics of disorders of calcium homeostasis. BAILLIERE'S CLINICAL ENDOCRINOLOGY AND METABOLISM 1995; 9:581-608. [PMID: 7575333 DOI: 10.1016/s0950-351x(95)80621-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- J H Bassett
- Royal Postgraduate Medical School, Hammersmith Hospital, London, UK
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Mueller RF, Bishop DT. Autozygosity mapping, complex consanguinity, and autosomal recessive disorders. J Med Genet 1993; 30:798-9. [PMID: 8411082 PMCID: PMC1016549 DOI: 10.1136/jmg.30.9.798] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Parkinson DB, Shaw NJ, Himsworth RL, Thakker RV. Parathyroid hormone gene analysis in autosomal hypoparathyroidism using an intragenic tetranucleotide (AAAT)n polymorphism. Hum Genet 1993; 91:281-4. [PMID: 8478012 DOI: 10.1007/bf00218273] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
We have identified a polymorphic tetranucleotide consisting of (AAAT)n within the first intron of the parathyroid hormone (PTH) gene, and have used this to investigate the segregation of the PTH gene and idiopathic hypoparathyroidism in 7 affected and 21 unaffected members from three families. An association between the PTH locus and autosomal dominant idiopathic hypoparathyroidism in one family was excluded by observing recombination between the two loci. In the remaining two families with autosomal recessive idiopathic hypoparathyroidism, the PTH locus was not similarly excluded. We had previously demonstrated a donor splice site mutation of the PTH gene in one of these families, and PTH gene abnormalities were therefore sought in the second of these families. DNA sequence analysis of the three exons, together with 4 exon-intron boundaries and the promoter region of the PTH gene revealed no abnormalities, thereby indicating molecular pathology at another locus. Thus, our analysis of idiopathic hypoparathyroidism reveals genetic heterogeneity for this disorder. In addition, our identification of a microsatellite polymorphism of the PTH gene should help further segregation studies of this locus in families with parathyroid disorders.
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Bilous RW, Murty G, Parkinson DB, Thakker RV, Coulthard MG, Burn J, Mathias D, Kendall-Taylor P. Brief report: autosomal dominant familial hypoparathyroidism, sensorineural deafness, and renal dysplasia. N Engl J Med 1992; 327:1069-74. [PMID: 1522843 DOI: 10.1056/nejm199210083271506] [Citation(s) in RCA: 128] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- R W Bilous
- Department of Medicine, University of Newcastle upon Tyne, United Kingdom
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Abstract
The recent advances in molecular biology and cytogenetics have made it possible to localize, clone and characterize some of the genetic abnormalities which result in disorders of phosphate and calcium homeostasis. Thus, the genes causing X-linked hypophosphataemic rickets, Lowe syndrome, X-linked recessive hypoparathyroidism, Di George syndrome, multiple endocrine neoplasia type 1, multiple endocrine neoplasia type 2 and vitamin D-dependent rickets type I have been mapped. In addition the genes involved in the pathogenesis of the humoral hypercalcaemia of malignancy, vitamin D-dependent rickets type II, pseudohypoparathyroidism, and some of the autosomal forms of hypoparathyroidism have been cloned and the mutations characterized. The molecular and genetic studies which have mapped and identified these disease genes are described and the implications of these developments in clinical practice and in further elucidation of the mineral metabolic defects are discussed.
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Affiliation(s)
- R V Thakker
- Division of Molecular Medicine, MRC Clinical Research Centre, Harrow, Middlesex, UK
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