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  • Title: alpha 1-antitrypsin phenotype PiMZ, a risk factor for liver cirrhosis but not for liver cancers in Thailand.
    Author: Smanadhikorn P, Pongpaew P, Srivatanakul P, Tungtrongchitr R, Supanaranond W, Schelp FP, Migasena P.
    Journal: Southeast Asian J Trop Med Public Health; 1995 Jun; 26(2):240-2. PubMed ID: 8629052.
    Abstract:
    The risk of developing liver cirrhosis, hepatoma (HCC) and bile duct carcinoma (BDC) have been associated with homozygous alpha 1-antitrypsin (AT) deficiency especially linked to the Z allele. While the association between liver cancers and AT deficiency remains debatable, the risk of adult AT deficiency carriers to develop liver cirrhosis has not been assessed quantitatively. Liver cancers and liver diseases with subsequent liver cirrhosis are highly prevalent in tropical countries such as Thailand and heterozygous AT phenotypes are rather common in this country as well. The aim of this study was to assess the risk of developing liver cirrhosis, HCC and BDC by means of case-control studies with Thai patients and controls in connection with AT deficiency. For hepatitis, HCC and BDC to association with AT deficiency was detected. Carriers of PiMZ phenotype in Thailand have a high risk to develop liver cirrhosis (odds. ratio of 10.8, 95% confidence interval = 1.3-88.1). Patients with predisposing diseases should be screened for Pi phenotypes so that rigorous measures to combat the occurrence of liver cirrhosis can be implemented.
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