Table 2 Variants found in the eight candidate genes in the replication cohort.

From: Exome sequencing of early-onset patients supports genetic heterogeneity in colorectal cancer

Gene

Variant description

Age at diagnosis

CHAD

NM_001267:c.735C > A:p.(Y245X)

37 (patient I-0540-00) & 41 (patient I-2323-03)

CHD1L

NM_004284:c.607G > A:p.(G203R)

50

CHD1L

NM_004284:c.2273G > A:p.(R758Q)

50

CHD1L

NM_004284:c.2320G > A:p.(D774N)

39

CHD1L

NM_004284:c.263 T > G:p.(L88W)

45

PTPN13

NM_080685:c.1916G > A:p.(G639E)

49

PTPN13

NM_080685:c.2015A > G:p.(H672R)

50

PTPN13

NM_080685:c.5837G > A:p.(G1946E)

34

SPATA20

NM_022827:c.1177G > A:p.(G393R)

46

SPATA20

NM_022827:c.1426C > T:p.(R476W)

38

TDG

NM_003211:c.C67T:p.(Q23X)

49

TDG

NM_003211:c.T1175G:p.(I392S)

43

TGS1

NM_024831:c.107G > A:p.(R36Q)

42

  1. Thirteen rare, high-impact variants were found in six of the eight genes selected for validation. None of the patients carried more than one variant.