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Table 4 The results of exome sequencing in seven fetuses with SA and(or) SV

From: Analysis of genetic testing in fetuses with congenital heart disease of single atria and/or single ventricle in a Chinese prenatal cohort

Case

MA

GA

Clinical CHD phenotypes

Structural anomalies other than CHD

Genetic results

Nature

inheritance

Outcome

1

29

23+1

SA, double outlet of right ventricle

/

NM_002816.3(PSMD12):c.347C > T(p.Thr116Ile)

VUS

Maternal

TP

2

27

24+3

SA

short limbs and narrow thorax

NM_147127.4(EVC2):c.1195C > T(p.Arg399*)

NM_147127.4(EVC2):c.1987G > T(p.Glu663*)

P

Paternal

Maternal

TP

3

31

22+4

SA, double outlet of right ventricle, VSD

absence of spleen

NM_003482.3(KMT2D):c.2264G > C(p.Arg755Pro)

VUS

Unknown

TP

4

31

23+2

SV, transposition of great arteries

heterotaxy

NM_003482.3(KMT2D):c.16351 T > C(p.Tyr5451His)

VUS

Paternal

TP

5

31

19+5

SV, permanent arterial trunk

/

NM_000860.5(HPGD):c.310_311delCT(p.Leu104Alafs*3)

P

De novo

TP

6

30

19+6

SA + SV

/

NM_007373.3(SHOC2):c.1273G > A(p.Val425Ile)

NM_001039590.2(USP9X):c.5844 T > C(p.Ala1948Ala)

NM_014008.3(CCDC22):c.1820G > A(p.Arg607Gln)

VUS

Maternal

Maternal

Paternal

TP

7

30

23+1

SA + SV,permanent arterial trunk

/

NM_016008.3(DYNC2LI1):c.574C > G(p.Gln192Glu)

NM_015662.1(IFT172):c.918A > G(p.Leu306Leu)

NM_015662.1(IFT172):c.3052C > T(p.Arg1018Cys)

VUS

Maternal

Maternal

Paternal

TP

8

29

22+1

SA + SV

/

arr[hg19]16p12.2(21,740,199–22,442,007) × 1

P

De novo

TP

  1. SA Single atria, SV Single ventricle, MA Mean maternal age, GA Gestational age, TP Termination of pregnancy