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Pleiotropic effect of common PHOX2B variants in Hirschsprung disease and neuroblastoma.


ABSTRACT: Hirschsprung disease (HSCR) is a heterogeneous congenital disorder that affects the enteric nervous system, while neuroblastoma is an embryonal tumor of the sympathetic nervous system. Familial cases of both HSCR and neuroblastoma appear to be functionally linked to PHOX2B, which plays a key role in the development of neural crest derivatives. However, the association between common PHOX2B variants and disease risk is contested. Additionally, large-scale examination for pleiotropy or shared genetic susceptibility in sporadic HSCR and neuroblastoma cases lacks theoretical support. Here, we report the first examination of PHOX2B in 1470 HSCR and 469 neuroblastoma patients with matched healthy controls. The PHOX2B rs28647582 polymorphism was found to be associated with HSCR (P = 2.21E-03, OR = 1.26), and each subtype of the ailment (3.22E-03 ? P ? 0.43, 1.11 ? OR ? 2.32). The association between rs28647582 and NB risk was consistent with HSCR in a recessive model, though the P value was marginal (P = 0.06). These new genetic findings indicate the potential pleiotropic effects of PHOX2B in both HSCR and neuroblastoma, which could guide the development of therapeutic targets for the treatment of related neurodevelopmental disorders.

SUBMITTER: Zhao J 

PROVIDER: S-EPMC6402522 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Pleiotropic effect of common <i>PHOX2B</i> variants in Hirschsprung disease and neuroblastoma.

Zhao Jinglu J   Zhu Yun Y   Xie Xiaoli X   Yao Yuxiao Y   Zhang Jiao J   Zhang Ruizhong R   Huang Lihua L   Cheng Jiwen J   Xia Huimin H   He Jing J   Zhang Yan Y  

Aging 20190201 4


Hirschsprung disease (HSCR) is a heterogeneous congenital disorder that affects the enteric nervous system, while neuroblastoma is an embryonal tumor of the sympathetic nervous system. Familial cases of both HSCR and neuroblastoma appear to be functionally linked to <i>PHOX2B</i>, which plays a key role in the development of neural crest derivatives. However, the association between common <i>PHOX2B</i> variants and disease risk is contested. Additionally, large-scale examination for pleiotropy  ...[more]

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