Related Experiment Video
Updated: May 17, 2026
09:15
Vinyl Chloride and High-Fat Diet as a Model of Environment and Obesity Interaction
Published on: January 12, 2020
Liver cancer and alcohol.
Priya Grewal1, Vijay Anand Viswanathen
1Division of Liver Diseases, Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029, USA. Priya.Grewal@mountsinai.org
Clinics in Liver Disease
|October 30, 2012
Summary
Alcohol consumption is linked to liver cancer. This review explores how alcohol metabolism in the liver contributes to hepatocellular carcinoma development, impacting antioxidants and promoting cancer.
Area of Science:
- Hepatology
- Oncology
- Toxicology
Background:
- Hepatocellular carcinoma (HCC) affects approximately 500,000 people globally each year.
- Alcoholic beverages are classified as carcinogenic to humans by the International Agency for Research on Cancer.
- Alcohol consumption is a known risk factor for various cancers, including liver cancer.
Purpose of the Study:
- To review the epidemiological evidence linking alcohol consumption to hepatocellular carcinoma.
- To analyze the pathogenic mechanisms by which alcohol contributes to liver cancer development.
- To provide a comprehensive overview of alcohol's role in HCC.
Main Methods:
- Literature review of epidemiological studies on alcohol and HCC.
- Analysis of biochemical pathways involved in alcohol metabolism and liver damage.
- Synthesis of current research on the pathogenesis of alcohol-induced liver cancer.
Main Results:
- Alcohol metabolism generates reactive oxygen species (ROS) in the liver.
- Alcohol consumption induces the activity of cytochrome P450 enzymes.
- Alcohol intake leads to a reduction in the body's antioxidant defenses.
Conclusions:
- Alcohol metabolism plays a significant role in the pathogenesis of hepatocellular carcinoma.
- Understanding these mechanisms is crucial for HCC prevention and treatment strategies.
- Reducing alcohol consumption may lower the global burden of liver cancer.
Related Concept Videos
01:26Diseases of the Liver and Gallbladder
Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
01:23Cirrhosis I: Introduction
Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
01:24Cirrhosis II: Pathophysiology
Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
01:21Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...
01:24Liver Regeneration
The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...