2012, Number 1
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Ann Hepatol 2012; 11 (1)
Smoking as a risk factor for autoimmune liver disease: what we can learn from primary biliary cirrhosis
Smyk DS, Rigopoulou EI, Muratori L, Burroughs AK, Bogdanos DP
Language: English
References: 119
Page: 7-14
PDF size: 99.16 Kb.
ABSTRACT
Primary biliary cirrhosis (PBC) is a cholestatic liver disease characterised by the immune-mediated destruction
of biliary epithelial cells in small intrahepatic bile ducts. The disease is characterised by circulating
anti-mitochondrial antibodies (AMA) as well as disease specific anti-nuclear antibodies (ANA), cholestatic liver
biochemistry, and characteristic histology. The disease primarily affects middle-aged females, and its
incidence is apparently increasing worldwide. Epidemiological studies have indicated several risk factors
for the development of PBC, with family history of PBC, recurrent urinary tract infection, and smoking being
the most widely cited. Smoking has been implicated as a risk factor in several autoimmune diseases, including
the liver, by complex mechanisms involving the endocrine and immunological systems to name a
few. Studies of smoking in liver disease have also shown that smoking may progress the disease towards fibrosis
and subsequent cirrhosis. This review will examine the literature surrounding smoking as a risk factor
for PBC, as well as a potential factor in the progression of fibrosis in PBC patients.
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