High incidence of EDNRB gene mutation in seven southern Chinese familial cases with Hirschsprung's disease
© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
PURPOSE: Hirschsprung's disease (HSCR) is the leading cause of neonatal functional intestinal obstruction, which has been identified in many familial cases. HSCR, a multifactorial disorder of enteric nervous system (ENS) development, is associated with at least 24 genes and seven chromosomal loci, with RET and EDNRB as its major genes. We present a genetic investigation of familial HSCR to clarify the genotype-phenotype relationship.
METHODS: We performed whole exome sequencing (WES) on Illumina HiSeq X Ten platform to investigate genetic backgrounds of core family members, and identified the possibly harmful mutation genes. Mutation carriers and pedigree relatives were validated by Sanger sequencing for evaluating the gene penetrance.
RESULTS: Four familial cases showed potential disease-relative variants in EDNRB and RET gene, accounting for all detection rate of 57.1%. Three familial cases exhibited strong pathogenic variants as frameshift or missense mutations in EDNRB gene. A novel c.367delinsTT mutation of EDNRB was identified in one family member. The other two EDNRB mutations, c.553G>A in family 2 and c.877delinsTT in family 5, have been reported in previous literatures. The penetrance of EDNRB variants was 33-50% according mutation carries. In family 6, the RET c.1858T>C (C620R) point mutation has previously been reported to cause HSCR, with 28.5% penetrance.
CONCLUSION: We identified a novel EDNRB (deleted C and inserted TT) mutation in this study using WES. Heterozygote variations in EDNRB gene were significantly enriched in three families and RET mutations were identified in one family. EDNRB variants showed an overall higher incidence and penetrance than RET in southern Chinese families cases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:40 |
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| Enthalten in: |
Pediatric surgery international - 40(2024), 1 vom: 22. Jan., Seite 38 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ding, Hui-Yang [VerfasserIn] |
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| Links: |
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| Themen: |
EDNRB |
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| Anmerkungen: |
Date Completed 01.02.2024 Date Revised 01.02.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00383-023-05620-w |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 100 | 1 | |a Ding, Hui-Yang |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a High incidence of EDNRB gene mutation in seven southern Chinese familial cases with Hirschsprung's disease |
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| 520 | |a © 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. | ||
| 520 | |a PURPOSE: Hirschsprung's disease (HSCR) is the leading cause of neonatal functional intestinal obstruction, which has been identified in many familial cases. HSCR, a multifactorial disorder of enteric nervous system (ENS) development, is associated with at least 24 genes and seven chromosomal loci, with RET and EDNRB as its major genes. We present a genetic investigation of familial HSCR to clarify the genotype-phenotype relationship | ||
| 520 | |a METHODS: We performed whole exome sequencing (WES) on Illumina HiSeq X Ten platform to investigate genetic backgrounds of core family members, and identified the possibly harmful mutation genes. Mutation carriers and pedigree relatives were validated by Sanger sequencing for evaluating the gene penetrance | ||
| 520 | |a RESULTS: Four familial cases showed potential disease-relative variants in EDNRB and RET gene, accounting for all detection rate of 57.1%. Three familial cases exhibited strong pathogenic variants as frameshift or missense mutations in EDNRB gene. A novel c.367delinsTT mutation of EDNRB was identified in one family member. The other two EDNRB mutations, c.553G>A in family 2 and c.877delinsTT in family 5, have been reported in previous literatures. The penetrance of EDNRB variants was 33-50% according mutation carries. In family 6, the RET c.1858T>C (C620R) point mutation has previously been reported to cause HSCR, with 28.5% penetrance | ||
| 520 | |a CONCLUSION: We identified a novel EDNRB (deleted C and inserted TT) mutation in this study using WES. Heterozygote variations in EDNRB gene were significantly enriched in three families and RET mutations were identified in one family. EDNRB variants showed an overall higher incidence and penetrance than RET in southern Chinese families cases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a EDNRB | |
| 650 | 4 | |a Hirschsprung’s disease (HSCR) | |
| 650 | 4 | |a RET | |
| 650 | 4 | |a Whole exome sequencing (WES) | |
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| 650 | 7 | |a Receptor, Endothelin B |2 NLM | |
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| 700 | 1 | |a Xiao, Shang-Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Li-Ke |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Jia-Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Yuan-Long |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Qing-Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Xiao-Chun |e verfasserin |4 aut | |
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