ABCC7 p.Met1191Ile
| Predicted by SNAP2: | A: N (53%), C: N (66%), D: N (53%), E: N (57%), F: N (72%), G: N (53%), H: N (66%), I: N (72%), K: N (61%), L: N (97%), N: N (66%), P: N (53%), Q: N (78%), R: N (61%), S: N (61%), T: N (66%), V: N (93%), W: N (57%), Y: N (66%), |
| Predicted by PROVEAN: | A: N, C: N, D: N, E: N, F: N, G: N, H: N, I: N, K: N, L: N, N: N, P: N, Q: N, R: N, S: N, T: N, V: N, W: N, Y: N, |
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[hide] Cystic fibrosis transmembrane conductance regulato... Cancer. 2010 Jan 1;116(1):203-9. McWilliams RR, Petersen GM, Rabe KG, Holtegaard LM, Lynch PJ, Bishop MD, Highsmith WE Jr
Cystic fibrosis transmembrane conductance regulator (CFTR) gene mutations and risk for pancreatic adenocarcinoma.
Cancer. 2010 Jan 1;116(1):203-9., 2010-01-01 [PMID:19885835]
Abstract [show]
BACKGROUND: Mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene are common in white persons and are associated with pancreatic disease. The purpose of this case-control study was to determine whether CFTR mutations confer a higher risk of pancreatic cancer. METHODS: In a case-control study, the authors compared the rates of 39 common cystic fibrosis-associated CFTR mutations between 949 white patients with pancreatic adenocarcinoma and 13,340 white controls from a clinical laboratory database for prenatal testing for CFTR mutations. The main outcome measure was the CFTR mutation frequency in patients and controls. RESULTS: Overall, 50 (5.3%) of 949 patients with pancreatic cancer carried a common CFTR mutation versus 510 (3.8%) of 13,340 controls (odds ratio [OR], 1.40; 95% confidence interval [CI], 1.04-1.89; P = .027). Among patients who were younger when their disease was diagnosed (<60 years), the carrier frequency was higher than in controls (OR, 1.82; 95% CI, 1.14-2.94; P = .011). In patient-only analyses, the presence of a mutation was associated with younger age (median 62 vs 67 years; P = .034). In subgroups, the difference was seen only among ever-smokers (60 vs 65 years, P = .028). Subsequent sequencing analysis of the CFTR gene detected 8 (16%) compound heterozygotes among the 50 patients initially detected to have 1 mutation. CONCLUSIONS: Carrying a disease-associated mutation in CFTR is associated with a modest increase in risk for pancreatic cancer. Those affected appear to be diagnosed at a younger age, especially among smokers. Clinical evidence of antecedent pancreatitis was uncommon among both carriers and noncarriers of CFTR mutations.
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No. Sentence Comment
96 The mutation M1191I is also novel, with a substitution of a hydrophobic amino acid for another (threonine for isoleucine).
X
ABCC7 p.Met1191Ile 19885835:96:13
status: NEW103 Compound Heterozygotes Among Pancreatic Cancer Cases CFTR Mutations Sex Age at Diagnosis, y Ever/Never Smoker Family History of Pancreatic Cancer Pancreatitis ‡3 Years Before Cancer Diagnosis df508/S42F M 70 Nonsmoker No No R117H/E528E (splice site) M 75 Smoker Yes No df508/S912L W 56 Smoker No No df508/N1088S W 73 Smoker No No df508/M1191I M 79 Smoker No No df508/S1235R M 73 Smoker No No df508/F1052V M 49 Smoker No No df508/5T M 60 Smoker No No Man indicates man; W, woman.
X
ABCC7 p.Met1191Ile 19885835:103:343
status: NEW