Abstract:
OBJECTIVE:Congenital hypothyroidism (CH), the most common neonatal metabolic disorder, is characterized by impaired neurodevelopment. Although several candidate genes have been associated with CH, comprehensive screening of causative genes has been limited. DESIGN AND METHODS:One hundred ten patients with primary CH were recruited in this study. All exons and exon-intron boundaries of 21 candidate genes for CH were analyzed by next-generation sequencing. And the inheritance pattern of causative genes was analyzed by the study of family pedigrees. RESULTS:Our results showed that 57 patients (51.82%) carried biallelic mutations (containing compound heterozygous mutations and homozygous mutations) in six genes (DUOX2, DUOXA2, DUOXA1, TG, TPO and TSHR) involved in thyroid hormone synthesis. Autosomal recessive inheritance of CH caused by mutations in DUOX2, DUOXA2, TG and TPO was confirmed by analysis of 22 family pedigrees. Notably, eight mutations in four genes (FOXE1, NKX2-1, PAX8 and HHEX) that lead to thyroid dysgenesis were identified in eight probands. These mutations were heterozygous in all cases and hypothyroidism was not observed in parents of these probands. CONCLUSIONS:Most cases of congenital hypothyroidism in China were caused by thyroid dyshormonogenesis rather than thyroid dysgenesis. This study identified previously reported causative genes for 57/110 Chinese patients and revealed DUOX2 was the most frequently mutated gene in these patients. Our study expanded the mutation spectrum of CH in Chinese patients, which was significantly different from Western countries.
journal_name
Eur J Endocrinoljournal_title
European journal of endocrinologyauthors
Sun F,Zhang JX,Yang CY,Gao GQ,Zhu WB,Han B,Zhang LL,Wan YY,Ye XP,Ma YR,Zhang MM,Yang L,Zhang QY,Liu W,Guo CC,Chen G,Zhao SX,Song KY,Song HDdoi
10.1530/EJE-17-1017subject
Has Abstractpub_date
2018-06-01 00:00:00pages
623-633issue
6eissn
0804-4643issn
1479-683Xpii
EJE-17-1017journal_volume
178pub_type
杂志文章abstract::Glucocorticoids (GCs) inhibit bone formation in vivo and inhibit osteoblast proliferation and collagen synthesis in vitro. These effects may be mediated by alterations in the insulin-like growth factor (IGF) system. In the present study of normal human osteoblast-like (HOB) cells, we tested the hypothesis that dexamet...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1340591
更新日期:1996-05-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-08-0365
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1400107
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1390424
更新日期:1998-10-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
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更新日期:2007-02-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-11-0972
更新日期:2012-05-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章,多中心研究,评审
doi:10.1530/EJE-13-0503
更新日期:2013-11-22 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-08-0794
更新日期:2009-04-01 00:00:00
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journal_title:European journal of endocrinology
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2012-07-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
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更新日期:2004-08-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章,随机对照试验
doi:10.1530/eje.1.02126
更新日期:2006-04-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1330025
更新日期:1995-07-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1380076
更新日期:1998-01-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2008-04-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-12-0085
更新日期:2012-08-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1320771
更新日期:1995-06-01 00:00:00
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journal_title:European journal of endocrinology
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更新日期:2000-04-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2010-05-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 临床试验,杂志文章
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更新日期:1998-09-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1470835
更新日期:2002-12-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1490343
更新日期:2003-10-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2004-10-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2005-04-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2014-03-08 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
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更新日期:2010-07-01 00:00:00
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journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1300502
更新日期:1994-05-01 00:00:00