4.5 Article

A hemizygous mutation in the FOXP3 gene (IPEX syndrome) resulting in recurrent X-linked fetal hydrops: a case report

期刊

BMC MEDICAL GENOMICS
卷 14, 期 1, 页码 -

出版社

BMC
DOI: 10.1186/s12920-021-00901-6

关键词

IPEX syndrome; FOXP3; Fetal hydrops; In utero transfusion

资金

  1. NIHR Clinical Lectureship [CL-2018-17-002]
  2. Academy of Medical Sciences Starter Grant for Clinical Lecturers [SGL023\1023]

向作者/读者索取更多资源

This article introduces a rare case of male fetal hydrops caused by IPEX syndrome and discusses FOXP3 gene variants as a possible cause for 'unexplained' fetal hydrops. In similar cases, the pathological process begins during intrauterine life, with no survivors described, suggesting a severe variant associated with intrauterine onset and fatal course, i.e., the most severe IPEX phenotype.
Background Fetal hydrops is excessive extravasation of fluid into the third space in a fetus, which could be due to a wide differential of underlying pathology. IPEX (immune dysregulation, polyendocrinopathy, enteropathy, X-linked) syndrome primarily affects males. It is a monogenic primary immunodeficiency syndrome of X-linked recessive inheritance due to FOXP3 gene variants. It is characterised by the development of multiple autoimmune disorders in affected individuals. Case presentation We present a rare cause of male fetal hydrops in the context of IPEX syndrome and discuss FOXP3 gene variants as a differential for 'unexplained' fetal hydrops that may present after the first trimester. Discussion and conclusions In all similar cases, the pathological process begins during intrauterine life. Furthermore, there are no survivors described. Consequently, this variant should be considered as a severe one, associated with intrauterine life onset and fatal course, i.e., the most severe IPEX phenotype.

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