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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 Keim,  
 

Identification of patients with genetic risk factors of pancreatitis: impact on treatment and cancer prevention.

Recent data suggest that genetic alterations are relevant risk factors for chronic pancreatitis. The highest risk is associated with autosomal-dominant mutations (N29I, R122H) of the cationic trypsinogen (PRSS1). Further mutations were identified in the genes of the pancreatic trypsin inhibitor (SPINK1) and in the cystic fibrosis transmembrane conductance regulator (CFTR). A remarkable finding was that both molecules were also mutated in patients suffering from alcoholic chronic pancreatitis. According to recent estimations, genetic alterations may be regarded as more severe risk factors than chronic alcohol consumption. To identify patients with mutations, a positive family history could be of help, but mutations were also found in a significant number of those with a negative family history. On the other hand, in approximately 40% of the patients with a positive family history no mutations were found up to now. The age at onset is lower in patients with genetic risk factors; however, no clear limit can be denominated above which a screening is not appropriate. Therefore, in our department genetic screening is offered to all patients with chronic pancreatitis of unclear origin. There is no specific treatment in patients with a genetically based disease. The patients with familial pancreatitis-increased rates of pancreas cancer were described but there is no agreement concerning the prophylactic strategy. Prevention of cancer by routine pancreatectomy, though performed recently, is not justified at the moment. Clinical criteria may be more appropriate to decide the timing and the extent of the operation.[1]

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