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    Keywords: Germany ; CLASSIFICATION ; DISEASE ; liver ; RISK ; GENE ; METABOLISM ; ACCUMULATION ; PATIENT ; FREQUENCY ; polymorphism ; SUSCEPTIBILITY ; VARIANTS ; FREQUENCIES ; NO ; DIFFERENCE ; genetics ; HETEROZYGOSITY ; PATHOGENESIS ; GENOTYPES ; HEREDITARY ; LENGTH ; adenocarcinoma ; pathology ; DIABETES-MELLITUS ; PREVALENCE ; heredity ; chronic pancreatitis ; MELLITUS ; pancreas ; VARIANT ; INCREASE ; PANCREATITIS ; HEREDITARY HEMOCHROMATOSIS ; IRON ; analysis ; methods ; pancreatic ; pancreatic adenocarcinoma ; GENOTYPE ; USA ; RISK-FACTOR ; FRAGMENT ; Diabetes Mellitus ; genetic analysis ; CHRONIC-PANCREATITIS ; acute pancreatitis ; ALCOHOLIC LIVER-DISEASE ; C282Y ; CYS282TYR MUTATION ; CYSTIC-FIBROSIS GENE ; H63D MUTATIONS ; hemochromatosis ; HFE ; IRON-OVERLOAD ; melting ; NONALCOHOLIC STEATOHEPATITIS
    Abstract: Purpose: The homozygous p.C282Y variant of the HFE gene is a major risk factor for hereditary hemochromatosis, a disorder of iron metabolism resulting in progressive iron accumulation in a variety of organs including the pancreas. Heterozygosity of p.C282Y and p.H63D may increase susceptibility to chronic liver and pancreatic disease. This study determines the frequencies of p.C282Y and p.H63D alterations in patients with chronic pancreatitis and pancreatic adenocarcinoma. Methods: In total, 958 patients (349 with alcoholic pancreatitis, 343 with idiopathic pancreatitis, 64 with familial chronic pancreatitis, 34 with acute pancreatitis, and 168 with pancreatic adenocarcinoma) were enrolled and compared with 681 healthy and 100 alcoholic controls. Furthermore, 45 parent-offspring trios were included for segregation analysis. Genotyping of p.C282Y and p.H63D was performed by restriction fragment length polymorphism or melting curve analyses. Results: No significant differences were found in heterozygosity for p.C282Y and p.H63D when patients with alcoholic (8.0/21.5%), idiopathic (7.3/24.5%), or familial (9.8/ 23.0%) pancreatitis, or pancreatic adenocarcinoma (5.4/28.6%) were compared with healthy (6.2/24.8%) and alcoholic (7.0/25.0%) controls. Neither genotype was associated with the presence of secondary diabetes mellitus in patients with chronic pancreatitis. Conclusion: Although hemochromatosis is associated with pancreatic pathology, the p.C282Y and p.H63D variants do not play a significant role in the pathogenesis of chronic pancreatitis or pancreatic adenocarcinoma
    Type of Publication: Journal article published
    PubMed ID: 17666895
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