Documentation and prevalence of prenatal and neonatal outcomes in a cohort of individuals with KBG syndrome
American journal of medical genetics. Part A(2023)
摘要
Ankyrin Repeat Domain 11 (ANKRD11) gene mutations are associated with KBG syndrome, a developmental disability that affects multiple organ systems. The function of ANKRD11 in human growth and development is not clear, but gene knockout or mutation are lethal in mice embryos and/or pups. In addition, it plays a vital role in chromatin regulation and transcription. Individuals with KBG syndrome are often misdiagnosed or remain undiagnosed until later in life. This is largely due to KBG syndrome's varying and nonspecific phenotypes as well as a lack of accessible genetic testing and prenatal screening. This study documents perinatal outcomes for individuals with KBG syndrome. We obtained data from 42 individuals through videoconferences, medical records, and emails. 45.2% of our cohort was born by C-section, 33.3% had a congenital heart defect, 23.8% were born prematurely, 23.8% were admitted to the NICU, 14.3% were small for gestational age, and 14.3% of the families had a history of miscarriage. These rates were higher in our cohort compared to the overall population, including non-Hispanic and Hispanic populations. Other reports included feeding difficulties (21.4%), neonatal jaundice (14.3%), decreased fetal movement (7.1%), and pleural effusions in utero (4.7%). Comprehensive perinatal studies about KBG syndrome and updated documentation of its phenotypes are important in ensuring prompt diagnosis and can facilitate correct management.
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关键词
AKNRD11,diagnosis,KBG syndrome,neonatal,phenotype,prenatal
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