Table 4 Genetic findings in fetal and neonatal cases with multiple malformations

From: Genomic study of severe fetal anomalies and discovery of GREB1L mutations in renal agenesis

ID

Phenotype

Gene

Variant

Inheritance

Interpretation

051 008 TNK

(19 weeks) IUGR, broad halluces, sacral spina bifida, postaxial polydacytly of left foot

EP300

c.102_105del (p.G34fs)

Heterozygous, de novo

Pathogenic variant

051 022 CYB

(25 weeks) brachycephaly, exophthalmos, short nose with depressed root, broad clavicles, belt-shaped thorax, increased density of long bones and base of the skull, brain calcifications

FAM20C

FAM20C

c.956G>A (p.R319K)

c.1528C>T (p.R510C)

Compound heterozygous

Compound heterozygous

Likely pathogenic variant

Likely pathogenic variant

051-089-QUI

(22 weeks) clubfeet, short limbs, large thumbs

FLNB

c.4732G>C (p.A1578P)

heterozygous, de novo

Likely pathogenic variant

051-102-OHU

(20 weeks) cryptophthalmos, syndactyly, short pharynx with hypoplasia of the epiglottis, renal agenesis, vaginal atresia

FRAS1

c.370C>T (p.R124X)

Homozygous

Pathogenic variant

CONGE-005

(38 weeks) IUGR, cleft palate, anal imperforation, scrotal agenesis, agenesis of the lumbar and sacral spine and spinal cord

MNX1

c.2T>C (p.M1T)

Homozygous

Pathogenic variant

CONGE-021

(25 weeks) heart defects, posterior cleft palate with microretrognathia, clubfeet

TGFBR1

c.605_606insGAGAACTATTGT (p.A202delinsARTIV)

Heterozygous, de novo

Likely pathogenic variant

CONGE-074

(24 weeks) IUGR, phocomelia, diaphragmatic hernia, vertebral segmentation defects

VEGFA

c.789C>A (p.C263X)

Heterozygous, de novo

Candidate variant

051 043 BEV

(19 weeks) severe thoracolumbar scoliosis with segmentation defects, absence of visible ribs

FKBP8

c.572C>T (p.P191L)

Homozygous

Candidate variant

  1. IUGR, intrauterine growth restriction.