Table 3

Patient characteristics and mutations in 32 families with Peutz-Jeghers syndrome by direct sequence analysis of STK11

Case IDFamily historyNumber confirmed with PJS polyps*Number of polypectomiesPigmentationCancer†PJS status‡Referral§SexAge at first polypectomyMutation typeExonDNA changeProtein effect
*Polyps with hamartomatous or Peutz-Jeghers morphologies, all cases with 0 confirmed polyps had no documentation; †cancer in the proband case (C) or family member (F); ‡Peutz-Jeghers status: C, confirmed based upon two or more confirmed hamartomatous or Peutz-Jeghers polyps; L, likely based upon history of polypectomies, family history of reported Peutz-Jeghers syndrome, and/or hyperpigmentation; P, possible Peutz-Jeghers syndrome based upon lack of hyperpigmentation (family 41), a single polypectomy (family 38), or a history of numerous polypectomies with a single confirmed Peutz-Jeghers polyp (family 59); §referral source: G, geneticist; GC, genetic counsellor; GI, gastroenterologist; ¶Harrisburg family, also family 2 of McGarrity et al37; **family history of early onset breast cancer in the mother without PJS symptoms; ††bilateral gynaecomastia; ‡‡family 4 of McGarrity et al37; §§pathology reports from two Peutz-Jeghers polyps were obtained from the proband’s mother; ¶¶family 1 of McGarrity et al37; ***family 4 of Amos et al.25
01¶F22+FCGIM11Missense4509 A→CQ170P
09F2+2+FCGIM18Missense81061 C→GF354L
32F05+LGCF32Missense4541 A→G, 543 C→AN181E
34S02+LGCF10Missense1200 T→CL67P
53S24+CGM20Missense5688 A→CT230P
61F00+FLGFNoneMissense7910 C→TR304W
08S2+10+CCGIF7Nonsense2367 C→TQ123X
11F04+F**LSelfF5Nonsense3409 C→TQ137X
26††S02+LSelfM13Nonsense3409 C→TQ137X
33S2+2+CGIF16Nonsense3409 C→TQ137X
39‡‡S2+5+CGIM12Insertion3429–430ins AGCGTPremature truncation
45F2+7+CGCM10Insertion8959–960insTPremature truncation
47F03+CLGIM21Insertion6842–843insCPremature truncation
49S2+8+CCSelfF<1Insertion6842–843insCPremature truncation
54S2+2+CGM15Insertion1157–158insGGPremature truncation
56§§F21+CGF18Insertion4571–572insAPremature truncation
04¶¶F2+3+CGIM13Deletion3418delCPremature truncation
13S2+10+CSelfF18Deletion3436–437delAAPremature truncation
21F2+2+CGIM8Deletion1218–229delC73–V77del
27F04+LSelfF17Deletion1166–189delG56–V63del
12S2+1CCGIM34Splice?81040 G→AA347A
22S2+3+CGIF<1SpliceAt 8IVS7+978 G→CAbnormal splicing
05F02+LGIF31None
06***F2+2++CGIM11None
18S010+LSelfF3None
24S2+2+CGIM10None
37F2+1+CGIF30None
38F01+PSelfF23None
41S02PGCM15None
43S02+LGCM9None
52S23+CGF20None
59S14+PGCF9None