This article focuses on the interactions between alcohol, viral h

This article focuses on the interactions between alcohol, viral hepatitis, and obesity (euphemistically described here as the Bermuda Triangle of liver disease), and discusses common mechanisms and synergy. Liver cirrhosis and hepatocellular carcinoma (HCC) represent end-stage liver disease (ESLD) and thus are associated STA-9090 cell line with mortality. Globally, the incidence and prevalence of liver cirrhosis vary markedly based largely on the causative

factors. In the developed world, alcohol, hepatitis C virus (HCV), and nonalcoholic steatohepatitis are the leading causes of cirrhosis, whereas viral hepatitis (especially hepatitis B virus [HBV]) is considered the leading cause in developing countries. Data from 2001 indicate that in developed countries, cirrhosis was

the sixth most common cause of death among adults, and in developing countries, it claimed 320 000 lives, ranking as the ninth most common cause of death. In the European Union alone, GSK-3 signaling pathway approximately 29 million individuals suffer from chronic liver disease of whom 170 000 and 47 000 die annually from cirrhosis and liver cancer, respectively.[1] In the United States, approximately 46 700 individuals died from liver cirrhosis and cancer in 2002.[2] HBV and HCV infection are major causes of morbidity and mortality. According to World Health Organization, an estimated 2 billion people have been infected with HBV, and more than 240 million have Masitinib (AB1010) chronic liver infections worldwide. About 600 000 people die every year from the acute or chronic consequences of HBV infection, which is endemic in China and other parts of Asia, where most people become infected during childhood; 8–10% of the adult population is chronically infected. HBV-induced liver cancer is among the top three causes of death from cancer in men, and a major cause of cancer in women in this region. Globally, cirrhosis attributable to HBV or HCV accounted for 30% and 27%, respectively, and HCC was attributable to HBV (53%) or HCV (25%). Applied to 2002 worldwide mortality estimates, chronic HBV and HCV infections represent 929 000, including 446 000

cirrhosis deaths (HBV: 235 000; HCV: 211 000) and 483 000 liver cancer deaths (HBV: 328 000; HCV: 155 000).[3] Nonalcoholic fatty liver disease (NAFLD) comprises a wide spectrum of liver damage including steatosis, steatohepatitis, fibrosis, and cirrhosis in patients who do not consume large amount of alcohol.[4] NAFLD is a significant factor for serious liver disease because of its rising prevalence in the general population,[5] and the potential to progress to ESLD and HCC.[6] NAFLD commonly occurs in patients with obesity, diabetes, and hyperlipidemia. In the past two decades, obesity in North America has more than doubled and continues to rise worldwide. In 2005, 8% of men and 12% of women were obese. By 2030, the number of obese adults globally is projected to be 573 million individuals.

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