MUTYH -germline mutations and manifestations
description
Transcript of MUTYH -germline mutations and manifestations
MUTYH-germline mutations and manifestations
a. Biallelic mutation
Family No.Age at
DiagnosisNumber ofadenomas
CRCManifestation
of otherorgans
FamilyHistory
43 410 (well, ss) ( - ) ( + ) (sib)
c. 833C>Tp. A278V
c. 833C>Tp. A278V
56 420 (mod. m)( - ) c. 833C>T
p. A278Vc. 833C>Tp. A278V
47 200c. 848G>Ap. G283E
c. 848G>Ap. G283E
39 100 Ovarian cystc. 55C>Tp. R19X
c. 833C>Tp. A278V
b. Monoallelic mutation
Family No.Age at
DiagnosisNumber ofadenomas
CRCManifestation
of otherorgans
FamilyHistory
MonoallelicMUTYHmutation
Mutation ofthe otherMUTYH allele
1470Gastriccancer
IVS10 -2,a/g
46 200c. 53C>Tp. P18L
c: nucleotide number of the CDS of the p: amino acid number of the MYH protein
Biallelic MUTYH mutations
(sporadic)( - )
(+)
(+)
(sporadic)( - )
(sporadic)( - )
( - )( - )
( - )
( + ) (sib)
( + ) (sib)
( - )
( - ) ( - )
( - )44
①
②
③
④
⑤
⑥
p qHuman Chr. 1 5’ 3’
1 2 10 11 161p34.3-p32.1
( - )