Mutational analysis of PHEX, FGF23 and DMP1 in a cohort of patients with hypophosphatemic rickets

Summary Background  X‐linked hypophosphatemic rickets, autosomal dominant hypophosphatemic rickets and autosomal recessive hypophosphatemic rickets make up a group of renal phosphate wasting disorders with common clinical and biochemical characteristics. These three types of rickets are related to m...

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Veröffentlicht in:Clinical endocrinology (Oxford) 2011-03, Vol.74 (3), p.312-318
Hauptverfasser: Ruppe, Mary D., Brosnan, Patrick G., Au, Kit Sing, Tran, Phong X., Dominguez, Barbara W., Northrup, Hope
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container_end_page 318
container_issue 3
container_start_page 312
container_title Clinical endocrinology (Oxford)
container_volume 74
creator Ruppe, Mary D.
Brosnan, Patrick G.
Au, Kit Sing
Tran, Phong X.
Dominguez, Barbara W.
Northrup, Hope
description Summary Background  X‐linked hypophosphatemic rickets, autosomal dominant hypophosphatemic rickets and autosomal recessive hypophosphatemic rickets make up a group of renal phosphate wasting disorders with common clinical and biochemical characteristics. These three types of rickets are related to mutations in PHEX, FGF23 and dentin matrix protein 1 (DMP1), respectively. Objective  The objective of the study was to evaluate the frequency of mutations that occur in these three genes associated with hypophosphatemic rickets. Patients and Methods  In this study, we sequenced these genes in 76 members of 46 kindreds from a large hypophosphatemic rickets cohort. Results  Forty‐two individuals from 27 kindreds were found to have mutations in PHEX; 16 of which were novel. One subject had an FGF23 mutation. No individuals were found to have mutations in DMP1 consistent with the presence of recessive hypophosphatemic rickets. Conclusions  Our data highlight the wide spectrum of genetic variation that can be seen in PHEX, FGF23 and DMP1 when screening a large cohort with hypophosphatemic rickets.
doi_str_mv 10.1111/j.1365-2265.2010.03919.x
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These three types of rickets are related to mutations in PHEX, FGF23 and dentin matrix protein 1 (DMP1), respectively. Objective  The objective of the study was to evaluate the frequency of mutations that occur in these three genes associated with hypophosphatemic rickets. Patients and Methods  In this study, we sequenced these genes in 76 members of 46 kindreds from a large hypophosphatemic rickets cohort. Results  Forty‐two individuals from 27 kindreds were found to have mutations in PHEX; 16 of which were novel. One subject had an FGF23 mutation. No individuals were found to have mutations in DMP1 consistent with the presence of recessive hypophosphatemic rickets. Conclusions  Our data highlight the wide spectrum of genetic variation that can be seen in PHEX, FGF23 and DMP1 when screening a large cohort with hypophosphatemic rickets.</description><identifier>ISSN: 0300-0664</identifier><identifier>EISSN: 1365-2265</identifier><identifier>DOI: 10.1111/j.1365-2265.2010.03919.x</identifier><identifier>PMID: 21050253</identifier><identifier>CODEN: CLECAP</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Biochemical characteristics ; Biological and medical sciences ; Cohort Studies ; Data processing ; Dmp1 protein ; DNA Mutational Analysis ; Endocrinopathies ; Extracellular Matrix Proteins - genetics ; Familial Hypophosphatemic Rickets - diagnosis ; Familial Hypophosphatemic Rickets - genetics ; Family Health ; Female ; Fibroblast growth factor 23 ; Fibroblast Growth Factors - genetics ; Fundamental and applied biological sciences. Psychology ; Genetic Diseases, X-Linked ; Genetic diversity ; Genetic Testing ; Humans ; Hypophosphatemia ; Kidney ; Male ; Medical sciences ; Miscellaneous ; Mutation ; Mutation, Missense ; PHEX Phosphate Regulating Neutral Endopeptidase - genetics ; Phosphate ; Phosphoproteins - genetics ; Polymorphism, Single Nucleotide ; Public health. Hygiene ; Public health. 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These three types of rickets are related to mutations in PHEX, FGF23 and dentin matrix protein 1 (DMP1), respectively. Objective  The objective of the study was to evaluate the frequency of mutations that occur in these three genes associated with hypophosphatemic rickets. Patients and Methods  In this study, we sequenced these genes in 76 members of 46 kindreds from a large hypophosphatemic rickets cohort. Results  Forty‐two individuals from 27 kindreds were found to have mutations in PHEX; 16 of which were novel. One subject had an FGF23 mutation. No individuals were found to have mutations in DMP1 consistent with the presence of recessive hypophosphatemic rickets. Conclusions  Our data highlight the wide spectrum of genetic variation that can be seen in PHEX, FGF23 and DMP1 when screening a large cohort with hypophosphatemic rickets.</description><subject>Biochemical characteristics</subject><subject>Biological and medical sciences</subject><subject>Cohort Studies</subject><subject>Data processing</subject><subject>Dmp1 protein</subject><subject>DNA Mutational Analysis</subject><subject>Endocrinopathies</subject><subject>Extracellular Matrix Proteins - genetics</subject><subject>Familial Hypophosphatemic Rickets - diagnosis</subject><subject>Familial Hypophosphatemic Rickets - genetics</subject><subject>Family Health</subject><subject>Female</subject><subject>Fibroblast growth factor 23</subject><subject>Fibroblast Growth Factors - genetics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic Diseases, X-Linked</subject><subject>Genetic diversity</subject><subject>Genetic Testing</subject><subject>Humans</subject><subject>Hypophosphatemia</subject><subject>Kidney</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>Mutation</subject><subject>Mutation, Missense</subject><subject>PHEX Phosphate Regulating Neutral Endopeptidase - genetics</subject><subject>Phosphate</subject><subject>Phosphoproteins - genetics</subject><subject>Polymorphism, Single Nucleotide</subject><subject>Public health. Hygiene</subject><subject>Public health. 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Hygiene-occupational medicine</topic><topic>Rickets</topic><topic>Vertebrates: endocrinology</topic><topic>X chromosome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ruppe, Mary D.</creatorcontrib><creatorcontrib>Brosnan, Patrick G.</creatorcontrib><creatorcontrib>Au, Kit Sing</creatorcontrib><creatorcontrib>Tran, Phong X.</creatorcontrib><creatorcontrib>Dominguez, Barbara W.</creatorcontrib><creatorcontrib>Northrup, Hope</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Calcium &amp; Calcified Tissue Abstracts</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>MEDLINE - Academic</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Clinical endocrinology (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ruppe, Mary D.</au><au>Brosnan, Patrick G.</au><au>Au, Kit Sing</au><au>Tran, Phong X.</au><au>Dominguez, Barbara W.</au><au>Northrup, Hope</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mutational analysis of PHEX, FGF23 and DMP1 in a cohort of patients with hypophosphatemic rickets</atitle><jtitle>Clinical endocrinology (Oxford)</jtitle><addtitle>Clin Endocrinol (Oxf)</addtitle><date>2011-03</date><risdate>2011</risdate><volume>74</volume><issue>3</issue><spage>312</spage><epage>318</epage><pages>312-318</pages><issn>0300-0664</issn><eissn>1365-2265</eissn><coden>CLECAP</coden><abstract>Summary Background  X‐linked hypophosphatemic rickets, autosomal dominant hypophosphatemic rickets and autosomal recessive hypophosphatemic rickets make up a group of renal phosphate wasting disorders with common clinical and biochemical characteristics. These three types of rickets are related to mutations in PHEX, FGF23 and dentin matrix protein 1 (DMP1), respectively. Objective  The objective of the study was to evaluate the frequency of mutations that occur in these three genes associated with hypophosphatemic rickets. Patients and Methods  In this study, we sequenced these genes in 76 members of 46 kindreds from a large hypophosphatemic rickets cohort. Results  Forty‐two individuals from 27 kindreds were found to have mutations in PHEX; 16 of which were novel. One subject had an FGF23 mutation. No individuals were found to have mutations in DMP1 consistent with the presence of recessive hypophosphatemic rickets. Conclusions  Our data highlight the wide spectrum of genetic variation that can be seen in PHEX, FGF23 and DMP1 when screening a large cohort with hypophosphatemic rickets.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21050253</pmid><doi>10.1111/j.1365-2265.2010.03919.x</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Biochemical characteristics
Biological and medical sciences
Cohort Studies
Data processing
Dmp1 protein
DNA Mutational Analysis
Endocrinopathies
Extracellular Matrix Proteins - genetics
Familial Hypophosphatemic Rickets - diagnosis
Familial Hypophosphatemic Rickets - genetics
Family Health
Female
Fibroblast growth factor 23
Fibroblast Growth Factors - genetics
Fundamental and applied biological sciences. Psychology
Genetic Diseases, X-Linked
Genetic diversity
Genetic Testing
Humans
Hypophosphatemia
Kidney
Male
Medical sciences
Miscellaneous
Mutation
Mutation, Missense
PHEX Phosphate Regulating Neutral Endopeptidase - genetics
Phosphate
Phosphoproteins - genetics
Polymorphism, Single Nucleotide
Public health. Hygiene
Public health. Hygiene-occupational medicine
Rickets
Vertebrates: endocrinology
X chromosome
title Mutational analysis of PHEX, FGF23 and DMP1 in a cohort of patients with hypophosphatemic rickets
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