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  • Title: Tumour necrosis factor microsatellite haplotypes are associated with chronic pancreatitis.
    Author: O'Reilly DA, Dunlop S, Sargen K, Demaine A, Wilkinson S, Kingsnorth AN.
    Journal: JOP; 2006 Jan 11; 7(1):14-26. PubMed ID: 16407614.
    Abstract:
    CONTEXT: Alcohol is the major aetiological agent for both chronic pancreatitis and alcoholic liver disease. However, as only a minority of alcoholics develop either chronic pancreatitis or alcoholic liver disease, there are clearly genetic or environmental cofactors that determine individual susceptibility to these diseases. OBJECTIVE: To determine whether polymorphisms of the TNF gene may account for individual susceptibility to develop chronic pancreatitis or alcoholic liver disease. DESIGN: A controlled study. PATIENTS: We analyzed 73 patients with chronic pancreatitis, 103 healthy controls, 39 patients with alcoholic liver disease and 29 alcoholics without liver or pancreatic disease. RESULTS: The intermediate/low TNF secreting haplotype a6b5c1d3e3 was over-represented in chronic pancreatitis compared to healthy controls (OR=2.08; 95% CI: 1.07-4.06); P=0.019) and in alcoholic chronic pancreatitis compared to healthy controls (OR=2.08; 95% CI: 1.01-4.29; P=0.029). The high TNF secreting haplotypes, a2b3c1d1e3 and a2b5c2d4e3 were under-represented in chronic pancreatitis compared to healthy controls (OR=0.48; 95% CI: 0.22-1.04; P= 0.043) and in alcoholic chronic pancreatitis compared to alcoholic controls (OR=0.20; 95% CI: 0.05-0.77; P=0.014), respectively. CONCLUSION: A reduced capacity to produce TNF may be responsible for the induction of chronic pancreatitis.
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