Table 3

Ten probands with rare variants identified (>0.02–0.5% of controls)

Age at death/sexCircumstance of death (post-mortem findings)Gene and disease associatedAmino acid changeFrequency in UCL-ex exomes (2867 individuals)Frequency in NHLBI exome sequencing (6500 exomes)Frequency in ExAC dataset (60 706 exomes)Familial clinical evaluation
23 years/maleDaily activities (myocardial bridging of the LAD and fat infiltration of RV)*CACNA1C
BrS13,14
P817S0.70.330.0194Parents and sibling no BrS phenotype
1 year/maleDaily activities (normal heart)LMNA
DCM23–25
R644C0.1380.100.121Parents normal ECG and echo
22 years/femaleSleep (normal heart)RANGRF
BrS9,17
E61X0.260.420.3947Parents normal ECG and echo (ajmaline challenge not done)
11 years/maleExercise (normal heart)CACNA2D1
BrS13,14
S709N0.220.370.2677Family declined screening
33 years/maleDaily activities (normal heart)ANK2
LQT19–21
E1837K0.290.310.2677Parents no LQT phenotype
27 years/maleDaily activities (inflammatory eosinophilic infiltrate in atria)*KCNH2
LQT6,15,16
P347S0.160.04960.1293Parents and siblings no LQT phenotype
41 years/maleDaily activities (normal heart)MYPN
HCM26
Y20C00.0920.091Parent, siblings and children normal ECG, ETT, echo, and ajmaline
28 years/maleExercise (concentric LVH, no disarray)*RBM20
DCM27
E1125K0.300.370.37Parents and siblings normal ECG, ETT, echo, and ajmaline
14 years/maleExercise (normal heart)*DSP
ARVC22
A2294G0.120.0230.085Parents and siblings normal ECG, ETT, echo, and ajmaline
34 years/maleSleep (normal heart)CACNA1C
BrS13
G37R0.320.230.074Siblings positive ajmaline challenges
Age at death/sexCircumstance of death (post-mortem findings)Gene and disease associatedAmino acid changeFrequency in UCL-ex exomes (2867 individuals)Frequency in NHLBI exome sequencing (6500 exomes)Frequency in ExAC dataset (60 706 exomes)Familial clinical evaluation
23 years/maleDaily activities (myocardial bridging of the LAD and fat infiltration of RV)*CACNA1C
BrS13,14
P817S0.70.330.0194Parents and sibling no BrS phenotype
1 year/maleDaily activities (normal heart)LMNA
DCM23–25
R644C0.1380.100.121Parents normal ECG and echo
22 years/femaleSleep (normal heart)RANGRF
BrS9,17
E61X0.260.420.3947Parents normal ECG and echo (ajmaline challenge not done)
11 years/maleExercise (normal heart)CACNA2D1
BrS13,14
S709N0.220.370.2677Family declined screening
33 years/maleDaily activities (normal heart)ANK2
LQT19–21
E1837K0.290.310.2677Parents no LQT phenotype
27 years/maleDaily activities (inflammatory eosinophilic infiltrate in atria)*KCNH2
LQT6,15,16
P347S0.160.04960.1293Parents and siblings no LQT phenotype
41 years/maleDaily activities (normal heart)MYPN
HCM26
Y20C00.0920.091Parent, siblings and children normal ECG, ETT, echo, and ajmaline
28 years/maleExercise (concentric LVH, no disarray)*RBM20
DCM27
E1125K0.300.370.37Parents and siblings normal ECG, ETT, echo, and ajmaline
14 years/maleExercise (normal heart)*DSP
ARVC22
A2294G0.120.0230.085Parents and siblings normal ECG, ETT, echo, and ajmaline
34 years/maleSleep (normal heart)CACNA1C
BrS13
G37R0.320.230.074Siblings positive ajmaline challenges

All variant frequencies are listed as percentages. Expert cardiac pathology review denoted with an asterisk.

Table 3

Ten probands with rare variants identified (>0.02–0.5% of controls)

Age at death/sexCircumstance of death (post-mortem findings)Gene and disease associatedAmino acid changeFrequency in UCL-ex exomes (2867 individuals)Frequency in NHLBI exome sequencing (6500 exomes)Frequency in ExAC dataset (60 706 exomes)Familial clinical evaluation
23 years/maleDaily activities (myocardial bridging of the LAD and fat infiltration of RV)*CACNA1C
BrS13,14
P817S0.70.330.0194Parents and sibling no BrS phenotype
1 year/maleDaily activities (normal heart)LMNA
DCM23–25
R644C0.1380.100.121Parents normal ECG and echo
22 years/femaleSleep (normal heart)RANGRF
BrS9,17
E61X0.260.420.3947Parents normal ECG and echo (ajmaline challenge not done)
11 years/maleExercise (normal heart)CACNA2D1
BrS13,14
S709N0.220.370.2677Family declined screening
33 years/maleDaily activities (normal heart)ANK2
LQT19–21
E1837K0.290.310.2677Parents no LQT phenotype
27 years/maleDaily activities (inflammatory eosinophilic infiltrate in atria)*KCNH2
LQT6,15,16
P347S0.160.04960.1293Parents and siblings no LQT phenotype
41 years/maleDaily activities (normal heart)MYPN
HCM26
Y20C00.0920.091Parent, siblings and children normal ECG, ETT, echo, and ajmaline
28 years/maleExercise (concentric LVH, no disarray)*RBM20
DCM27
E1125K0.300.370.37Parents and siblings normal ECG, ETT, echo, and ajmaline
14 years/maleExercise (normal heart)*DSP
ARVC22
A2294G0.120.0230.085Parents and siblings normal ECG, ETT, echo, and ajmaline
34 years/maleSleep (normal heart)CACNA1C
BrS13
G37R0.320.230.074Siblings positive ajmaline challenges
Age at death/sexCircumstance of death (post-mortem findings)Gene and disease associatedAmino acid changeFrequency in UCL-ex exomes (2867 individuals)Frequency in NHLBI exome sequencing (6500 exomes)Frequency in ExAC dataset (60 706 exomes)Familial clinical evaluation
23 years/maleDaily activities (myocardial bridging of the LAD and fat infiltration of RV)*CACNA1C
BrS13,14
P817S0.70.330.0194Parents and sibling no BrS phenotype
1 year/maleDaily activities (normal heart)LMNA
DCM23–25
R644C0.1380.100.121Parents normal ECG and echo
22 years/femaleSleep (normal heart)RANGRF
BrS9,17
E61X0.260.420.3947Parents normal ECG and echo (ajmaline challenge not done)
11 years/maleExercise (normal heart)CACNA2D1
BrS13,14
S709N0.220.370.2677Family declined screening
33 years/maleDaily activities (normal heart)ANK2
LQT19–21
E1837K0.290.310.2677Parents no LQT phenotype
27 years/maleDaily activities (inflammatory eosinophilic infiltrate in atria)*KCNH2
LQT6,15,16
P347S0.160.04960.1293Parents and siblings no LQT phenotype
41 years/maleDaily activities (normal heart)MYPN
HCM26
Y20C00.0920.091Parent, siblings and children normal ECG, ETT, echo, and ajmaline
28 years/maleExercise (concentric LVH, no disarray)*RBM20
DCM27
E1125K0.300.370.37Parents and siblings normal ECG, ETT, echo, and ajmaline
14 years/maleExercise (normal heart)*DSP
ARVC22
A2294G0.120.0230.085Parents and siblings normal ECG, ETT, echo, and ajmaline
34 years/maleSleep (normal heart)CACNA1C
BrS13
G37R0.320.230.074Siblings positive ajmaline challenges

All variant frequencies are listed as percentages. Expert cardiac pathology review denoted with an asterisk.

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