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Table 1 Research findings deemed reportable by the Return of Results Committee

From: Return of genetic and genomic research findings: experience of a pediatric biorepository

Type of research test

Gene: DNA change

Variant type

Zygosity

Cardiac and genetic diagnosis

Related to primary cardiac diagnosis

Research confirmation?

Returned to?

Disclosed to patient?

Accepted Referral to clinical genetics?

Clinically confirmed?

MLPA

SNAP29-LZTR1

Duplication

Heterozygous

PA

N

Y

Physician

Y

Y

Y

Single gene sequencing

ELN: c.1918 + 1G > A

Splice

Heterozygous

SVAS

Y

Y

Physician

N

N

N

Single gene sequencing

ELN: c.862_863insG

Frameshift

Heterozygous

SVAS

Y

Y

Physician

Y

Y

Y

Single gene sequencing

ELN: c.1785 T > A

Nonsense

Heterozygous

SVAS

Y

Y

Physician

Y

Y

Y

Genome-wide SNP array

Chr 1 4q34-qter deletion, 3q28ter gain

Deletion, gain

Heterozygous

BAV, AS

N

Y

Physician

Y

Y

Y

Exome sequencing

GATA4

Deletion

Heterozygous

AVSD

Y

Y

Physician

Y

Y

Y

Exome sequencing

EVC

Loss of copy

Heterozygous

AVSD

N

Y

Physician

N

N

N

Genome sequencing

DSP: c.C2821T

Nonsense

Heterozygous

LVNC

Y

Y

Physician

Y

Y

Result pending

Genome sequencing

LMNA: c.G569A

Missense

Heterozygous

DCM

Y

Y

Physician

N

N

N

Genome sequencing

MYH7: c.G2389A

Missense

Heterozygous

HCM

Y

Y

Physician

N

N

N

Genome sequencing

MYBPC3: c.G442A

Missense

Heterozygous

TOF

N

Y

Physician

N*

N

N

Genome sequencing

PKP2: c.337-2A > T

Splice

Heterozygous

TOF

N

Y

Physician

Y

Y

Result pending

Exome sequencing

NR2F2: c.A614T

Missense

Heterozygous

AVSD

Y

Y

Genetic counselor

Y

Y

Y

Genome sequencing

FLNC: c.3791-1G > C

Splice

Heterozygous

DCM

Y

Y

Genetic counselor

Y

Y

Result Pending

Genome sequencing

RAF1: c.T769C

Missense

Heterozygous

HCM

Y

Y

Genetic counselor

Y

Y

Y

Genome sequencing

MYBPC3: c.G3617A

Missense

Heterozygous

TOF

N

Y

Genetic counselor

Y

Y

Result Pending

Genome sequencing

PLN: 118795780–119,044,564

Deletion

Single copy deletion

HCM

Y

Y

Genetic counselor

Y

N

N

Genome sequencing

VCL: c.654dupA

Frameshift insertion

Heterozygous

TOF

Y

Y

Genetic counselor

Y

Y

Result Pending

Genome sequencing

JAG1: c.C514T

Stop-gain

Heterozygous

TOF

Y

Y

Genetic counselor

Y

N

N

Genome sequencing

TPM1: c.G688A

Missense

Heterozygous

CMP

Y

Y

Not communicated

N

N

N

  1. AS Aortic stenosis, AVSD Atrio-ventricular septal defect, BAV Bicuspid aortic valve, CMP Cardiomyopathy, DCM Dilated cardiomyopathy, HCM Hypertrophic cardiomyopathy, LVNC Left ventricular non-compaction, MLPA Multiplex ligation-dependent probe amplification, MR Mitral insufficiency, PA Pulmonary artery stenosis, SVAS Supravalvar aortic stenosis, TOF Tetralogy of Fallot
  2. *Participant was deceased and therefore result was not disclosed