Table 4 Breast cancer properties in patients with germline pathogenic variants in 28 disease-causing genes.

From: Prevalence of disease-causing genes in Japanese patients with BRCA1/2-wildtype hereditary breast and ovarian cancer syndrome

Case

Variant

Breast cancer properties

Tumor ID

Age at surgery

Histology

Hormonal subtype

Nuclear grade

Loss of wildtype allele

A1013

PALB2:p.M723fs

T1

36

Solid Tubular

Luminal

1

NA

A0139

PALB2:p.R1086*

T1

63

Scirrhous

Luminal

3

AST

B0215

PALB2:p.R1086*

T1

37

Solid Tubular

Luminal-HER2

3

NA

A0214

PALB2: p.E462*

T1

50

Scirrhous

Luminal

NA

AST

  

T2

55

Scirrhous

Luminal-HER2

1

NA

B0219

PALB2:p.E462*

T1

54

Solid Tubular

Luminal

2

AST

  

T2

58

Non-invasive Ductal

Triple Negative

1

LOH

  

T3

61

Solid Tubular

Triple Negative

3

NA

B0277

PALB2:p.L484*

T1

47

Scirrhous

Triple Negative

3

AST

A0338

PALB2:p.T274fs

T1

44

Scirrhous

Luminal

3

NA

  

T2

44

Scirrhous

Luminal

3

NA

E0125

ATM:p.P80fs

T1

47

Mucinous

Luminal

NA

LOH

A0346

ATM:p.Q374fs

T1

65

Scirrhous

Luminal

1

NA

B0242

ATM:c.4776+2T>A

T1

49

Scirrhous

Luminal

2

ND

C0158

ATM:p.F1837fs

T1

48

Solid Tubular

Luminal

2

LOH

A0301

BARD1:p.R641*

T1

58

Solid Tubular

Triple Negative

3

NA

A0331

BARD1:p.R150*

T1

26

Scirrhous

Luminal

3

NA

 

ATM:p.A2626fs

T2

     

A0298

BARD1:p.Q449*

T1

35

Scirrhous

Triple Negative

3

NA

B0258

BARD1:p.A173fs

T1

42

Solid Tubular

Triple Negative

3

LOH

  

T2

57

Solid Tubular

Triple Negative

3

NA

E0114

BARD1:Exon 5–7 Deletion

T1

42

Papillotubular

Luminal (Unk. HER2)

1

NA

  

T2

51

Tubular

Luminal (Unk. HER2)

1

NA

  

T3

64

Scirrhous

NA

2

ND

C0120

RAD51D:p.K111fs

T1

33

Papillotubular

Luminal

3

LOH

A0231

RAD51D:p.V152fs

T1

40

Non-invasive Ductal

Luminal (Unk. HER2)

2

ND

  

T2

47

Non-invasive Ductal

Luminal

1

NA

B0220

RAD51D: p.Q149*

T1

39

Scirrhous

Luminal

2

ND

D0221

BLM:p.S106fs

T1

40

Non-invasive Ductal

Luminal (Unk. HER2)

NA

NA

C0256

BLM: p.S106fs

T1

49

Scirrhous

Luminal

2

NA

  

T2

49

Solid Tubular

Luminal

2

NA

B0187

BLM: p.G512fs

T1

49

Solid Tubular

Luminal

1

ND

B0292

BLM:c.3751+2T>C

T1

49

Scirrhous

Luminal

1

NA

A0281

BRIP1:p.R356*

T1

33

Mucinous

Luminal

1

NA

B0285

BRIP1:p.A1081fs

T1

47

Non-invasive Ductal

Luminal

1

LOH

  

T2

47

Papillotubular

Luminal

1

NA

B0170

BRIP1:c.918+2T>C

T1

41

Scirrhous

Luminal

1

NA

  

T2

41

Non-invasive Ductal

Luminal (Unk. HER2)

NA

ND

E0237

RAD51C:p.E45*

T1

50

Scirrhous

Luminal

2

NA

C0206

RAD51C:Exon 6–9 Deletion

T1

51

Scirrhous

Triple Negative

2

LOH

B0263

RAD51C:Exon 6–9 Deletion

T1

45

Scirrhous

Luminal (Unk. HER2)

NA

NA

  

T2

45

Non-invasive Ductal

NA

NA

ND

B0288

FANCM:p.Q730fs

T1

34

Solid Tubular

Triple Negative

3

ND

D0231

FANCM:p.K841fs

T1

41

Non-invasive Ductal

Luminal

1

NA

E0131

RAD50:p.D544fs

T1

49

Scirrhous

Luminal-HER2

3

ND

B0198

NF1:p.G255fs

T1

25

Solid Tubular

Luminal

2

LOH

A0277

CHEK2: p.L486fs

T1

37

Papillotubular

Luminal

1

ND

D0222

RECQL:p.D517_S518delins*

T1

57

Solid Tubular

NA

NA

NA

  1. Results are for 48 primary breast tumors from 35 cases with breast cancer (2 patients [ATM p.R805* and RAD51D p.K111fs] with ovarian cancer only were excluded).
  2. T1, T2, and T3 indicate the first, second and third primary breast tumors from the same patient.
  3. Unk. HER2 unknown status for HER2, NA information or assay was not available for the tumor, LOH loss of heterozygosity by copy number (CN) loss, AST additional somatic truncation, ND not detected.