Exclusion of PITX2 mutations as a major cause of CHARGE association.

Exclusion of PITX2 mutations as a major cause of CHARGE association.
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排除 PITX2 突变作为 CHARGE 关联的主要原因。

DOI:
10.1002/ajmg.10473
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发表时间:
2002
期刊:
American journal of medical genetics
影响因子:
--
通讯作者:
Camper,SallyA
Camper,SallyA
中科院分区:
--
文献类型:
--
作者:
Martin,DonnaM;Probst,FrankJ;Fox,SharonE;Schimmenti,LisaA;Semina,ElenaV;Hefner,MargaretA;Belmont,JohnW;Camper,SallyA

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CHARGE关联最早在1979年被描述[Hall, 1979], CHARGE首字母缩写在1981年被提出[Pagon et al., 1981]。CHARGE是先天性畸形的集合,包括眼结肠瘤(前或后)、心脏缺陷、后肛门闭锁(骨和/或膜性)、生长发育迟缓、外耳和内耳异常、耳聋和颅神经功能障碍。CHARGE综合征的主要诊断特征是存在的——可能是受CHARGE影响的个体的一个子集,包括结肠瘤、特征性耳和脑神经异常以及后肛门闭锁[Blake等,1998]。CHARGE影响颅面区域、牙齿和心脏流出道,这使得人们认为CHARGE是一种神经嵴迁移和发育障碍[Bolande, 1997]。大多数CHARGE病例是散发的,原因不明。然而,有大量证据表明CHARGE可能有遗传基础,包括与父亲年龄增加有关[Tellier等,1996],罕见的家族病例,同卵双胞胎的一致性和异卵双胞胎的不一致性[Tellier等,1998]。据报道,在CHARGE个体中有几种染色体重排,包括14q和1q的重复[Dev等,1985;North et al., 1995]以及涉及2p14和7q21的平衡易位[Martin et al., 2001]。迄今为止,没有单个染色体区域似乎优先参与CHARGE表型。CHARGE可能是由剂量敏感的突变引起的
CHARGE association was first described in 1979 [Hall, 1979], and the CHARGE acronym was proposed in 1981 [Pagon et al., 1981]. CHARGE is a collection of congenital anomalies including ocular coloboma (anterior or posterior), cardiac defects, choanal atresia (bony and/or membranous), delayed growth and development, external and inner ear anomalies, deafness, and cranial nerve dysfunction. Major diagnostic features of CHARGE syndrome, are present-a potential subset of individuals affected by CHARGE, and include coloboma, characteristic ear and cranial nerve abnormalities, and choanal atresia [Blake et al., 1998]. CHARGE affects the craniofacial region, teeth, and cardiac outflow tract, leading to the suggestion that CHARGE is a disorder of neural crest migration and development [Bolande, 1997].Most cases of CHARGE are sporadic with an unidentifiable cause. However, there is considerable evidence that CHARGE may have a genetic basis, including an association with increased paternal age [Tellier et al., 1996], rare familial cases, concordance among monozygotic twins, and discordance among dizygotic twins [Tellier et al., 1998]. Several chromosomal rearrangements have been reported among CHARGE individuals, including duplications of 14q and 1q [Dev et al., 1985; North et al., 1995] and a balanced translocation involving 2p14 and 7q21 [Martin et al., 2001]. To date, no single chromosomal region appears to be preferentially involved in the CHARGE phenotype. CHARGE might result from mutations in a dosage-sensitive
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