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Table 2 Detected pathogenic and likely pathogenic single-nucleotide variants, small indels, and copy number alterations

From: Breast cancer patients suggestive of Li-Fraumeni syndrome: mutational spectrum, candidate genes, and unexplained heredity

Index patient identifier

Gene (transcript GRCh37/hg19)

Variant type

dbSNP

Exons/total no. of exons

cDNA change

Predicted amino acid change

Aberration array CGH

ACMG class

Previously reporteda

7

PALB2 (NM_024675.3)

Frameshift

rs515726124

4/13

c.509_510delGA

p.(Arg170Ilefs*14)

 

5

Yes

30

RUNX1 (NM_001754.4)

Splice donor

rs375131372

3/8

c.97+1G>A

  

4

No

32

ATM (NM_000051.3)

Deletion

 

62–63/63

  

arr [GRCh37]11q22.3 (108233779_108240057)×1

5

Yes

40

ATM (NM_000051.3)

Nonsense

 

61/63

c.8793T>A

p.(Cys2931*)

 

5

Yes

CHEK2 (NM_007194.3)

Deletion

 

9–10/15

  

arr [GRCh37]22q12.1 (29092709_29097723)×1

5

Yes

58

CDKN2A (NM_058195.3)

Nonsense

 

2/3

c.292C>T

p.(Arg98*)

 

4

No

RECQL4 (NM_004260.3)

Splice donor

 

7/21

c.1390+1G>C

  

4

No

59

WRN (NM_000553.4)

Deletion

 

15–16/35

  

arr [GRCh37]8p12 (30948138_30949422)×1

4

No

60

ATM (NM_000051.3)

Nonsense

rs587779852

40/63

c.5932G>T

p.(Glu1978*)

 

5

Yes

65

FANCI (NM_001113378.1)

Nonsense

rs121918164

37/38

c.3853C>T

p.(Arg1285*)

 

5

Yes

PMS2 (NM_000535.5)

Deletion

 

3–8/15

  

arr [GRCh37]7p22.1 (6035238_6042593)×1

5

No

76

PALB2 (NM_024675.3)

Frameshift

rs180177143

3/13

c.172_175delTTGT

p.(Gln60Argfs*7)

 

5

Yes

79

RECQL4 (NM_004260.3)

Missense and splice region

rs186739072

16/22

c.2755G>A

p.(Ala919Thr)

 

4

No

  1. Abbreviations: ACMG American College of Medical Genetics and Genomics, cDNA Complementary DNA, CGH Comparative genomic hybridization, dbSNP Single Nucleotide Polymorphism database
  2. aBased on reports in the literature, ClinVar, Decipher, and gene-specific databases