Table 2 Characteristics of pancreatic adenocarcinoma patients with pathogenic or likely pathogenic germline variants in double-strand DNA repair genes

From: Germline cancer susceptibility gene variants, somatic second hits, and survival outcomes in patients with resected pancreatic cancer

ID no.

Age/Sex

Pathogenic/likely pathogenic germline alteration(s)

Somatic sequencing and tumor testing data

Other personal history of cancera (age at diagnosis, if known)

PDAC Location

Family history of cancer (relation, age if known)

BRCA1/2 pathogenic variant carriers

1

38/M

BRCA1 c.5444G>A (p.W1815*) and APC c.694C>T (p.R232*)

CN-LOH of BRCA1; somatic c.4611_4612delAG (p.E1538Ifs*5) APC alteration

REC (29)

Tail

LG (pat uncle, 65), CV (pat aunt, 64), BR (pat cousin), CNS (pat cousin)

2

68/F

BRCA1 c.427G>T (p.E143*)

Somatic c.376C>T (p.Q126*) BRCA1 alteration

None

Head/uncinate

BR (mother, 40; sister), OV (sister, 53; sister)

3

75/M

BRCA1 c.5266dupC (p.Q1756Pfs*74)

No somatic BRCA1 alteration identified

CO (62)

Head/uncinate

BR (daughter, 39; mat aunt, 33)

4

29/F

BRCA2 c.5946delT (p.S1982Rfs*22)

No somatic BRCA2 alteration identified

None

Head/uncinate

BR (pat grandmother, 42), SKIN (pat grandmother) PR (mat grandfather), OV (pat great grandmother, 52)

5

55/F

BRCA2 c.4634delT (p.F1546Lfs*22)

Inadequate somatic NGS coverage

None

Tail

CNS (sister, 49); LG (father, 68)

6

62/M

BRCA2 c.1189_1190insTTAG (p.Q397Lfs*25)

Single-copy deletion of BRCA2

None

Head/uncinate

BR (mother)

7

71/F

BRCA2 c.5946delT (p.S1982Rfs*22)

No somatic BRCA2 alteration identified

None

Tail

None

Other germline double-strand DNA repair gene pathogenic variant carriers

8

65/M

ATM c.6843C>G (p.Y2281*)

Single-copy deletion of ATM

BR

Tail

CNS (niece, 40s)

9

66/M

ATM c.3802delG (p.V1268*)

No somatic ATM alteration identified

REC (52)

Head/uncinate

BR (mother), BL (mother), PAN (mat uncle)

10

66/F

ATM c.5931delT (p.F1977Lfs*13)

CN-LOH of ATM

BR (52), SAC (57)

Head/uncinate

BR (mother, 62; pat aunt, 67), SKIN (daughter, 26; father, 65; mat uncle), PAN (mat uncle, 80), ESO (pat uncle, 58)

11

77/F

ATM c.3023delC (p.S1008Lfs*14)

Single-copy deletion of ATM

None

Overlapping sites

None

12

65/M

BRIP1 c.440dupA (p.Y147*)

Single-copy deletion of BRIP1

None

Tail

BR (mother)

13

67/M

BRIP1 c.2684_2687delCCAT (p.S895*)

No somatic BRIP1 alteration identified

GIST (67)

Tail

PAN (brother, 57), DCIS (sister, 58), SKIN (sister; mat half-cousin), OV (pat grandmother, 75), BR (mat grandmother, 55), LG (mat half-sister, 81; pat cousin, 85), HN (pat cousin, 72), LYM (mat cousin, 62), KID (mat cousin, 55), CO (mat half-cousin, 85), LK (mat half-cousin, 85)

14

80/F

BRIP1 c.2108delAinsTCC (p.K703Ifs*)

No somatic BRIP1 alteration identified

BR (37, 52)

Head/uncinate

BR (sister; daughter), HN (brother)

15

61/F

CHEK2 c.470T>C (p.I157T)

No somatic CHEK2 alteration identified

None

Head/Uncinate

CV (sister), MEL (father)

16

68/M

CHEK2 c.1392delT (p.S465Vfs*15)

No somatic CHEK2 alteration identified

BL (68)

Tail

BR (sister, 45), STO (brother), UNK (father; brother; brother; sister)

17

86/M

CHEK2 c.1283C>T (p.S428F)

No somatic CHEK2 alteration identified

None

Tail

None

18

78/F

NBN c.698_701delAACA (p.K233Sfs*5)

No somatic NBN alteration identified

MEL

Head/uncinate

None

19

74/F

PALB2 c.3113G>A (p.W1038*)

Somatic c.2323C>T (p.Q775*) PALB2 alteration

BR (59)

Head/uncinate

BR (sister, 29; sister, 42; sister, 68; mat aunt, 70)

20

77/F

RAD50 c.1875C>G (p.Y625*)

No somatic RAD50 alteration identified

NHL (73)

Tail

None

21

47/F

RAD51C c.706–2A>G

Single-copy deletion of RAD51C

None

Head/uncinate

OV (mat grandmother)

  1. BL bladder cancer, BR breast cancer, CO colon cancer, CN-LOH copy-neutral loss of heterozygosity, CNS brain tumor, CV cervical cancer, DCIS ductal carcinoma in situ of the breast, ESO esophageal cancer, GIST gastrointestinal stromal tumor, HN head and neck cancer not otherwise specified, KID kidney cancer, LG lung cancer, LK leukemia, LYM lymphoma not otherwise specified, MEL melanoma, NHL non-Hodgkin lymphoma, OV ovarian cancer, PAN pancreatic cancer, PDAC pancreatic adenocarcinoma, REC rectal cancer, SAC sarcoma not otherwise specified, SKIN skin cancer not otherwise specified, STO stomach cancer, UNK cancer with unknown primary site
  2. aExcludes nonmelanoma skin cancers