Table 1 Yield of rare potentially deleterious variantsa in 42 probands with familial DCM

From: Genome sequencing as a first-line genetic test in familial dilated cardiomyopathy

Proband ID

Gene

Variant

Variant type

ACMG classification

Detection method

     

PS

WGS

AA-II-3

TTN

c.72824A>T, p.K24275I

SNV; missense

VUS

 

X

BAG3

Chr10:121436136-121436726 del, Chr10:121436139-121436799 dup

SV; deletion/duplication

Pathogenic

 

X

AF-III-6

MYH6

c.5002G>A, p.D1668N

SNV; missense

Likely benign

X

X

TTN

c.94553T>C, p.V31518A

SNV; missense

VUS

 

X

SGCB

c.1_2delAT, p.M1Gfs

INDEL; frameshift deletion

Likely pathogenic

 

X

AJ-II-2

TTN

c.95722T>C, p.Y31908H

SNV; missense

VUS

X

X

RYR2

c.8209_-4T>C

SNV; splice

VUS

 

X

AM-III-7

DMD

c.3816G>C, p.L1272F

SNV; missense

VUS

X

X

TTN

c.59351delT, p.E19785fs

SNV; deletion

Pathogenic

X

X

ADRA1A

c.1022_1035delGACGCCACCAGGCC, p.A469fs

INDEL; in-frame deletion

VUS

 

X

PLEC

c.7477C>T, p.Q2493*

SNV; stop codon

VUS

 

X

AP-III-4

TTN

c.44818C>T, p.P14940S

SNV; missense

VUS

X

X

TTN

c.47692C>T, p.R15898*

SNV; stop codon

Likely pathogenic

X

X

AT-III-1

DMD

c.6T>G, p.S2R

SNV; missense

VUS

X

X

NEB

c.8683G>A, p.D2895N

SNV; missense

VUS

X

X

MYO18B

c.1692+2_1692+29delTGAGTCCCCTGTCCCGCCGTCCCCCCCAGCA

INDEL; splice deletion

VUS

 

X

AV-IV-2

TTN

c.41860T>C, p.Y13954H

SNV; missense

VUS

X

X

TTN

c.78095_78098delGAAA, p.R26032fs

INDEL; frameshift deletion

Pathogenic

X

X

TTN

c.81038G>A, p.R27013Q

SNV; missense

VUS

X

X

NEB

c.16561G>A, p.D5521N

SNV; missense

VUS

 

X

BA-III-3

NEBL

c.1258A>G, p.I420V

SNV; missense

VUS

X

X

TTN

c.13900G>T, p.E4634*

SNV; stop codon

Pathogenic

X

X

TTN

c.47191C>T, p.R15731C

SNV; missense

VUS

X

X

SYNE1

c.13909G>A, p.D4637N

SNV; missense

VUS

X

X

SYNE1

c.23315G>C, p.R7772Q

SNV; missense

VUS

 

X

BF-III-1

NEB

c.2533A>G, p.K845E

SNV; missense

VUS

X

X

BDKRB1

c.844C>T, p.R282*

SNV; stop codon

VUS

 

X

BG-III-1

NEB

c.25367C>T, p.T8456M

SNV; missense

VUS

X

X

MYH7

c. 4828G>C, p.E1610Q

SNV; missense

VUS

X

X

TTN

c.3002T>G, p.M1001R

SNV; missense

VUS

X

X

TTN

c.30485C>T, p.T10162M

SNV; missense

VUS

X

X

TRDN

Chr6:123509665-124330720dup

SV; duplication

VUS

 

X

BK-III-3

ALMS1

c.1343C>G, p.T448R

SNV; missense

Likely benign

X

X

MYH7

c.2207T>C, p.I736T

SNV; missense

Likely pathogenic

X

X

SYNM

c. 499C>T, p.R167C

SNV; missense

VUS

 

X

TRIM63

c.739C>T, p.Q247*

SNV; stop codon

VUS

 

X

BL-III-2

LAMP2

c.183_+2T>C

SNV; splice

Pathogenic

X

X

DSC2

Chr18:28681558-28686269del

SV; deletion

VUS

 

X

BM-III-25

TTN

c.56834delC, p.G18945fs

SNV; deletion

Pathogenic

X

X

LAMA2

c.1634T>A, p.L545Q

SNV; missense

VUS

 

X

NEB

c.5555TG, p.M1852R

SNV; missense

VUS

 

X

BP-III-3

NEB

c.21685G>C, p.D7229H

SNV; missense

VUS

X

X

DSP

c.5874_5789delAGAAAC, p.ET1929-1930del

INDEL; in-frame deletion

Likely benign

 

X

SCN4A

c.1800C>A, p.Y600*

SNV; stop codon

VUS

 

X

RYR2

c.14757-7_14757-6delTCinsAT

INDEL; splice

VUS

 

X

BR-IV-1

LAMA2

c.4645A>T, p.N1549Y

SNV; missense

VUS

X

X

TTN

c.54710T>C, p.L18237P

SNV; missense

VUS

X

X

TTN

c.78991C>T, p.R26331*

SNV; stop codon

Pathogenic

X

X

SCN1B

Chr19:35531062-35531134del

SV; deletion

VUS

 

X

MURC

c.692_712delGAGAGAGGCTAAGGCAGTCAG, p.ERLRQSG231-238del

INDEL; in-frame deletion

Likely benign

 

X

TLL2

c.1232delT, p.V411*

SNV; stop codon

VUS

 

X

BY-III-4

BAG3

c.361C>T, p.R121*

SNV; stop codon

Pathogenic

X

X

NEB

c.22813G>A, p.E7640K

SNV; missense

VUS

X

X

SYNE1

c.9148C>G, p.L3050V

SNV; missense

VUS

X

X

DSG2

c.473T>G, p.V158G

SNV; missense

Likely benign

 

X

SYNE1

c.1762delT, p.L588*

SNV; stop codon

VUS

 

X

C-II-9

NEB

c.9352A>T, p.T3118S

SNV; missense

Likely benign

X

X

SCN5A

c.5872C>T, p.R1958*

SNV; stop codon

VUS

X

X

CTNNA3

Chr10:68286145-68513397del

SV; deletion

VUS

 

X

CI-II-2

TTN

c.88033A>G, p.T29345A

SNV; missense

VUS

X

X

CS-III-12

CAV3

c.216C>G, p.C72W

SNV; missense

Likely benign

X

X

PSEN2

c.211C>T, p.R104W

SNV; missense

Likely benign

X

X

TTN

c.69491-69492delTG, p.V23164fs

INDEL; frameshift deletion

Likely Pathogenic

X

X

ANO5

c.191delA, p.N64fs

SNV; deletion

VUS

 

X

CT-II-2

TTN

c.54380G>C, p.G18127A

SNV; missense

VUS

X

X

TTN

c.76116dupT, p.N25372fs

SNV; deletion

Pathogenic

X

X

CZ-III-4

FLT1

c.2023A>G, p.S675G

SNV; missense

VUS

X

X

MYH7

c.1105G>A, p.R369Q

SNV; missense

Pathogenic

X

X

TTN

c.54109C>T, p.R18037W

SNV; missense

VUS

X

X

PDE4DIP

c.54G>T, p.C18*

SNV; stop codon

VUS

 

X

DD-III-4

MYH7

c.2620G>C, p.E874Q

SNV; missense

Likely Pathogenic

X

X

SYNE1

c.25856T>C, p.L8619P

SNV; missense

VUS

X

X

XIRP2

Chr2:167868183-168522158del

SV; deletion

VUS

 

X

DF-III-1

MYH7

c.1578_+1G>A

SNV; splice

VUS

X

X

SCN5A

c.3305C>A, p.S1102Y

SNV; missense

VUS

X

X

FLNC

c.7170C>A, p.C2369*

SNV; stop codon

VUS

 

X

DI-II-6

TTN

c.74880_74883dupAACA, p.P24962fs

INDEL; frameshift insertion

Pathogenic

X

X

DO-II-4

TTN

c.95173T>C, p.C31725R

SNV; missense

VUS

X

X

EMD

c.428C>T, p.S143F

SNV; missense

Likely benign

 

X

NKX2-5 b

c.552C>G, p.I184M

SNV; missense

Likely pathogenic

 

X

SYNE2

c.18065insT, p.A6022A*

SNV; deletion

VUS

 

X

EA-II-7

NEXN

c.1955A>G, p.Y652C

SNV; missense

VUS

X

X

TTN

c.78991C>T, p.R26331*

SNV; stop codon

Pathogenic

X

X

TTN

c.104878C>T, p.R34960C

SNV; missense

VUS

X

X

ASB15

c.1207G>T, p.G403*

SNV; stop codon

VUS

 

X

FJ-II-3

ABCC9

c.3096_+1delG

SNV; splice

Likely pathogenic

X

X

DTNA

c.239G>A, p.R80H

SNV; missense

VUS

X

X

FK-II-1

ACTN2

c.1192C>T, p.R398C

SNV; missense

VUS

X

X

DES

c.1193T>C, p.L398P

SNV; missense

VUS

X

X

LDB3

c.1414C>A, p.P472T

SNV; missense

VUS

X

X

SYNE1

c.14848A>G, p.N4590D

SNV; missense

VUS

X

X

TTN

c.102275G>A, p.R34092H

SNV; missense

VUS

X

X

FRMD3

Chr9:85906635-85962244del

SV; deletion

VUS

 

X

FQ-III-11

NEB

c.21685G>C, p.D7229H

SNV; missense

VUS

X

X

SCN5A

c.659C>T, p.T220I

SNV; missense

VUS

X

X

TTN

c.56206delA, p.T18736fs

SNV; deletion

Likely pathogenic

X

X

LAMA2

c.4487C>T, p.A1496V

SNV; missense

VUS

 

X

AK1

Chr9:130621906-130645663dup

SV; duplication

VUS

 

X

GE-III-7

DSP

c.8531G>C, p.G2844A

SNV; missense

VUS

X

X

TTN

c.95573A>G, p.N31858S

SNV; missense

VUS

X

X

RYR1

c.13328-13348dupGGGGGCCCCTTCCGGCCCGAA, p.GGPFRPE4443-4449dup

INDEL; in-frame deletion

Likely benign

 

X

GR-II-6

No variants met criteria

GV-III-5

No variants met criteria

GW-III-1

SYNM

c.3274C>T, p.R1092C

SNV; missense

VUS

X

X

LMNA

c.1567G>C, p.G523R

SNV; missense

VUS

 

X

HB-II-1

HPS3

Chr3:148874313-148882670del

SV; deletion

VUS

 

X

HT-II-1

No variants met criteria

 HU-II-2

SGCA

c.929A>G, p.Y310C

SNV; missense

VUS

X

X

TTN

c.14486A>C, p.Q4829P

SNV; missense

VUS

X

X

TTN

c.75364G>A, p.V25122M

SNV; missense

VUS

X

X

 ID- II-3

SYNE1

c.19981C>A, p.Q6661K

SNV; missense

VUS

X

X

 KI-III-2

TTN

c.44284C>T, p.R14762*

SNV; stop codon

Pathogenic

X

X

TTN

c.48953T>C, p.I16318T

SNV; missense

VUS

X

X

TTN

c.97324G>A, p.A32442T

SNV; missense

VUS

 

X

 KS-II-1

RBM20

c.1906C>T, p.R636C

SNV; missense

Pathogenic

X

X

 MO-II-2

TTN

c.49458G>A, p.W16486*

SNV; stop codon

Pathogenic

X

X

ACADVL

c.1077_+1G>T

SNV; splice

VUS

 

X

MYOM2

c.52C>T, p.Q18*

SNV; stop codon

VUS

 

X

 R-IV-1

NEBL

c.2588C>G, p.S863C

SNV; missense

VUS

X

X

TTN

c.76116dupT, p.N25372fs

SNV; insertion

Pathogenic

X

X

FLNC

c.3791_-8G>A

SNV; splice

VUS

 

X

 S-III-1

LAMA2

c.7415G>T, p.G2472V

SNV; missense

VUS

X

X

PSEN2

c.211C>T, p.R104W

SNV; missense

Likely benign

X

X

TTN

c.30389G>A, p.R10130H

SNV; missense

VUS

X

X

TTN

c.100432T>G, p.W33478G

SNV; missense

VUS

X

X

TTN

c.100447G>C, p.E33482Q

SNV; missense

VUS

 

X

  1. ACMG American College of Medical Genetics and Genomics, DCM dilated cardiomyopathy, INDEL small insertion or deletion, PS targeted panel sequencing, SNV single-nucleotide variant, SV structural variant, VUS variant of unknown significance, GS genome sequencing
  2. aPotential disease-causing variants are shown in bold
  3. bVariant identified by candidate gene screening