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Gene expression in the developing diaphragm: significance for congenital diaphragmatic hernia
Department of Physiology, University of Alberta, Edmonton, Alberta, Canada Submitted 15 January 2008 ; accepted in final form 3 February 2008 Congenital diaphragmatic hernia (CDH) is a frequently occurring birth defect and a source of potentially fatal neonatal respiratory distress. Recently, throug...
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Published in: | American journal of physiology. Lung cellular and molecular physiology 2008-04, Vol.294 (4), p.L665-L675 |
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container_title | American journal of physiology. Lung cellular and molecular physiology |
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creator | Clugston, Robin D Zhang, Wei Greer, John J |
description | Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
Submitted 15 January 2008
; accepted in final form 3 February 2008
Congenital diaphragmatic hernia (CDH) is a frequently occurring birth defect and a source of potentially fatal neonatal respiratory distress. Recently, through the application of detailed karyotyping methods, several CDH-critical regions within the human genome have been identified. These regions typically contain several genes. Here we focused on genes from 15q26, the best-characterized CDH-critical region, as well as FOG2 and GATA4 , genes singled out from CDH-critical regions at 8q22–8q23 and 8p23.1, respectively. We tested the hypothesis that these putative CDH-related genes are expressed within the developing diaphragm at the time of the hypothesized initial defect. Our results show that 15q26 contains a cluster of genes that are expressed in the developing rodent diaphragm, consistent with an association between deletions in this region and CDH. We then examined the protein expression pattern of positively identified genes within the developing diaphragm. Two major themes emerged. First, those factors strongly associated with CDH are expressed only in the nonmuscular, mesenchymal component of the diaphragm, supporting the hypothesis that CDH has its origins in a mesenchymal defect. Second, these factors are all coexpressed in the same cells. This suggests that cases of CDH with unique genetic etiology may lead to a common defect in these cells and supports the hypothesis that these factors may be members of a common pathway. This study is the first to provide a detailed examination of how genes associated with CDH are expressed in the developing diaphragm and provides an important foundation for understanding how the deletion of specific genes may contribute to abnormal diaphragm formation.
congenital diaphragmatic hernia-critical genes; pleuroperitoneal fold; mesenchyme
Address for reprint requests and other correspondence: J. J. Greer, Univ. of Alberta, Dept. of Physiology, 513 HMRC, Edmonton, AB, Canada T6G 2S2 (e-mail: john.greer{at}ualberta.ca ) |
doi_str_mv | 10.1152/ajplung.00027.2008 |
format | article |
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Submitted 15 January 2008
; accepted in final form 3 February 2008
Congenital diaphragmatic hernia (CDH) is a frequently occurring birth defect and a source of potentially fatal neonatal respiratory distress. Recently, through the application of detailed karyotyping methods, several CDH-critical regions within the human genome have been identified. These regions typically contain several genes. Here we focused on genes from 15q26, the best-characterized CDH-critical region, as well as FOG2 and GATA4 , genes singled out from CDH-critical regions at 8q22–8q23 and 8p23.1, respectively. We tested the hypothesis that these putative CDH-related genes are expressed within the developing diaphragm at the time of the hypothesized initial defect. Our results show that 15q26 contains a cluster of genes that are expressed in the developing rodent diaphragm, consistent with an association between deletions in this region and CDH. We then examined the protein expression pattern of positively identified genes within the developing diaphragm. Two major themes emerged. First, those factors strongly associated with CDH are expressed only in the nonmuscular, mesenchymal component of the diaphragm, supporting the hypothesis that CDH has its origins in a mesenchymal defect. Second, these factors are all coexpressed in the same cells. This suggests that cases of CDH with unique genetic etiology may lead to a common defect in these cells and supports the hypothesis that these factors may be members of a common pathway. This study is the first to provide a detailed examination of how genes associated with CDH are expressed in the developing diaphragm and provides an important foundation for understanding how the deletion of specific genes may contribute to abnormal diaphragm formation.
congenital diaphragmatic hernia-critical genes; pleuroperitoneal fold; mesenchyme
Address for reprint requests and other correspondence: J. J. Greer, Univ. of Alberta, Dept. of Physiology, 513 HMRC, Edmonton, AB, Canada T6G 2S2 (e-mail: john.greer{at}ualberta.ca )</description><identifier>ISSN: 1040-0605</identifier><identifier>EISSN: 1522-1504</identifier><identifier>DOI: 10.1152/ajplung.00027.2008</identifier><identifier>PMID: 18263670</identifier><language>eng</language><publisher>United States: American Physiological Society</publisher><subject>Abdomen ; Animals ; Animals, Newborn ; Cesarean Section ; Chromosome Mapping ; Diaphragm - embryology ; Diaphragm - pathology ; Disease Models, Animal ; DNA Primers ; Female ; Gene expression ; Gene Expression Regulation ; Genes ; Genomics ; Hernia, Diaphragmatic - genetics ; Hernia, Diaphragmatic - pathology ; Hernias ; Hernias, Diaphragmatic, Congenital ; Humans ; Mesoderm - physiology ; Microdissection ; Pregnancy ; Rats ; Rats, Sprague-Dawley</subject><ispartof>American journal of physiology. Lung cellular and molecular physiology, 2008-04, Vol.294 (4), p.L665-L675</ispartof><rights>Copyright American Physiological Society Apr 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c482t-18e36ed10fd36724c8f7d71482482f35109b72d71553ed03f8a146844083cd53</citedby><cites>FETCH-LOGICAL-c482t-18e36ed10fd36724c8f7d71482482f35109b72d71553ed03f8a146844083cd53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18263670$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Clugston, Robin D</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Greer, John J</creatorcontrib><title>Gene expression in the developing diaphragm: significance for congenital diaphragmatic hernia</title><title>American journal of physiology. Lung cellular and molecular physiology</title><addtitle>Am J Physiol Lung Cell Mol Physiol</addtitle><description>Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
Submitted 15 January 2008
; accepted in final form 3 February 2008
Congenital diaphragmatic hernia (CDH) is a frequently occurring birth defect and a source of potentially fatal neonatal respiratory distress. Recently, through the application of detailed karyotyping methods, several CDH-critical regions within the human genome have been identified. These regions typically contain several genes. Here we focused on genes from 15q26, the best-characterized CDH-critical region, as well as FOG2 and GATA4 , genes singled out from CDH-critical regions at 8q22–8q23 and 8p23.1, respectively. We tested the hypothesis that these putative CDH-related genes are expressed within the developing diaphragm at the time of the hypothesized initial defect. Our results show that 15q26 contains a cluster of genes that are expressed in the developing rodent diaphragm, consistent with an association between deletions in this region and CDH. We then examined the protein expression pattern of positively identified genes within the developing diaphragm. Two major themes emerged. First, those factors strongly associated with CDH are expressed only in the nonmuscular, mesenchymal component of the diaphragm, supporting the hypothesis that CDH has its origins in a mesenchymal defect. Second, these factors are all coexpressed in the same cells. This suggests that cases of CDH with unique genetic etiology may lead to a common defect in these cells and supports the hypothesis that these factors may be members of a common pathway. This study is the first to provide a detailed examination of how genes associated with CDH are expressed in the developing diaphragm and provides an important foundation for understanding how the deletion of specific genes may contribute to abnormal diaphragm formation.
congenital diaphragmatic hernia-critical genes; pleuroperitoneal fold; mesenchyme
Address for reprint requests and other correspondence: J. J. Greer, Univ. of Alberta, Dept. of Physiology, 513 HMRC, Edmonton, AB, Canada T6G 2S2 (e-mail: john.greer{at}ualberta.ca )</description><subject>Abdomen</subject><subject>Animals</subject><subject>Animals, Newborn</subject><subject>Cesarean Section</subject><subject>Chromosome Mapping</subject><subject>Diaphragm - embryology</subject><subject>Diaphragm - pathology</subject><subject>Disease Models, Animal</subject><subject>DNA Primers</subject><subject>Female</subject><subject>Gene expression</subject><subject>Gene Expression Regulation</subject><subject>Genes</subject><subject>Genomics</subject><subject>Hernia, Diaphragmatic - genetics</subject><subject>Hernia, Diaphragmatic - pathology</subject><subject>Hernias</subject><subject>Hernias, Diaphragmatic, Congenital</subject><subject>Humans</subject><subject>Mesoderm - physiology</subject><subject>Microdissection</subject><subject>Pregnancy</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><issn>1040-0605</issn><issn>1522-1504</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp1kF9rFDEUxYMotla_gA8y-ODbrDd_Z9Y3KbYKC77sq4R05mYmSzYZkxntfvum7paFghBIyP2dcw-HkPcUVpRK9tnsJr-EYQUArFkxgPYFuSwDVlMJ4mV5g4AaFMgL8ibnXeEkgHpNLmjLFFcNXJJftxiwwvspYc4uhsqFah6x6vEP-ji5MFS9M9OYzLD_UmU3BGddZ0KHlY2p6mIYMLjZ-DNmZtdVI6bgzFvyyhqf8d3pviLbm2_b6-_15uftj-uvm7oTLZtr2iJX2FOwfUnFRNfapm9omZVjuaSwvmtY-ZGSYw_ctoYK1QoBLe96ya_Ip6PtlOLvBfOs9y536L0JGJesGyg-nPECfnwG7uKSQommWVnCFdB1gdgR6lLMOaHVU3J7kw6agn4sXp-K1_-K14_FF9GHk_Nyt8f-LDk1XYD1ERjdMP51CfU0HkrjPg4HfbN4v8X7-cmZrYUWeqOU1FNvi7b-v_YpzFnDHwDG-aUT</recordid><startdate>20080401</startdate><enddate>20080401</enddate><creator>Clugston, Robin D</creator><creator>Zhang, Wei</creator><creator>Greer, John J</creator><general>American Physiological Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7TS</scope><scope>7U7</scope><scope>C1K</scope><scope>7X8</scope></search><sort><creationdate>20080401</creationdate><title>Gene expression in the developing diaphragm: significance for congenital diaphragmatic hernia</title><author>Clugston, Robin D ; Zhang, Wei ; Greer, John J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c482t-18e36ed10fd36724c8f7d71482482f35109b72d71553ed03f8a146844083cd53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Abdomen</topic><topic>Animals</topic><topic>Animals, Newborn</topic><topic>Cesarean Section</topic><topic>Chromosome Mapping</topic><topic>Diaphragm - embryology</topic><topic>Diaphragm - pathology</topic><topic>Disease Models, Animal</topic><topic>DNA Primers</topic><topic>Female</topic><topic>Gene expression</topic><topic>Gene Expression Regulation</topic><topic>Genes</topic><topic>Genomics</topic><topic>Hernia, Diaphragmatic - genetics</topic><topic>Hernia, Diaphragmatic - pathology</topic><topic>Hernias</topic><topic>Hernias, Diaphragmatic, Congenital</topic><topic>Humans</topic><topic>Mesoderm - physiology</topic><topic>Microdissection</topic><topic>Pregnancy</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Clugston, Robin D</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Greer, John J</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Physical Education Index</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of physiology. Lung cellular and molecular physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Clugston, Robin D</au><au>Zhang, Wei</au><au>Greer, John J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gene expression in the developing diaphragm: significance for congenital diaphragmatic hernia</atitle><jtitle>American journal of physiology. Lung cellular and molecular physiology</jtitle><addtitle>Am J Physiol Lung Cell Mol Physiol</addtitle><date>2008-04-01</date><risdate>2008</risdate><volume>294</volume><issue>4</issue><spage>L665</spage><epage>L675</epage><pages>L665-L675</pages><issn>1040-0605</issn><eissn>1522-1504</eissn><abstract>Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
Submitted 15 January 2008
; accepted in final form 3 February 2008
Congenital diaphragmatic hernia (CDH) is a frequently occurring birth defect and a source of potentially fatal neonatal respiratory distress. Recently, through the application of detailed karyotyping methods, several CDH-critical regions within the human genome have been identified. These regions typically contain several genes. Here we focused on genes from 15q26, the best-characterized CDH-critical region, as well as FOG2 and GATA4 , genes singled out from CDH-critical regions at 8q22–8q23 and 8p23.1, respectively. We tested the hypothesis that these putative CDH-related genes are expressed within the developing diaphragm at the time of the hypothesized initial defect. Our results show that 15q26 contains a cluster of genes that are expressed in the developing rodent diaphragm, consistent with an association between deletions in this region and CDH. We then examined the protein expression pattern of positively identified genes within the developing diaphragm. Two major themes emerged. First, those factors strongly associated with CDH are expressed only in the nonmuscular, mesenchymal component of the diaphragm, supporting the hypothesis that CDH has its origins in a mesenchymal defect. Second, these factors are all coexpressed in the same cells. This suggests that cases of CDH with unique genetic etiology may lead to a common defect in these cells and supports the hypothesis that these factors may be members of a common pathway. This study is the first to provide a detailed examination of how genes associated with CDH are expressed in the developing diaphragm and provides an important foundation for understanding how the deletion of specific genes may contribute to abnormal diaphragm formation.
congenital diaphragmatic hernia-critical genes; pleuroperitoneal fold; mesenchyme
Address for reprint requests and other correspondence: J. J. Greer, Univ. of Alberta, Dept. of Physiology, 513 HMRC, Edmonton, AB, Canada T6G 2S2 (e-mail: john.greer{at}ualberta.ca )</abstract><cop>United States</cop><pub>American Physiological Society</pub><pmid>18263670</pmid><doi>10.1152/ajplung.00027.2008</doi></addata></record> |
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subjects | Abdomen Animals Animals, Newborn Cesarean Section Chromosome Mapping Diaphragm - embryology Diaphragm - pathology Disease Models, Animal DNA Primers Female Gene expression Gene Expression Regulation Genes Genomics Hernia, Diaphragmatic - genetics Hernia, Diaphragmatic - pathology Hernias Hernias, Diaphragmatic, Congenital Humans Mesoderm - physiology Microdissection Pregnancy Rats Rats, Sprague-Dawley |
title | Gene expression in the developing diaphragm: significance for congenital diaphragmatic hernia |
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