Peruvian Newborn Male with 3p13 Deletion Syndrome Encompassing the FOXP1 Gene: Review of the Literature

Abstract

Copy number variation in loss of 3p13 is an infrequently reported entity characterized by hypertelorism, aniridia, microphthalmia, high palate, neurosensorial deafness, camptodactyly, heart malformation, development delay, autism spectrum disorder, seizures, and choanal atresia. The entity is caused probably by haploinsufficiency for FOXP1, UBA3, FAM19A1, and MITF. We report a newborn male with hypotonia, facial dysmorphism, heart malformation, and without clinical diagnosis; nevertheless, the use of appropriate genetic test, such us the chromosomal microarray analysis allowed identification of a copy number variant in loss of 5.5 Mb at chromosome 3 (p13-p14.1), that included 54 genes, encompassing FOXP1 gene. We compare the findings in our Peruvian patient to those of earlier reported patients; furthermore, add new signs for this entity.

Keywords

FOXP1 - chromosomal microarray analysis - development delay - congenital abnormalities - haploinsufficiency - CNV

Ethical Approval

The present study was performed following the ethical regulations of “Instituto Nacional de Salud del Niño,” and parental informed written consent was obtained for publication.

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