Hepatitis Foundation International

Home » General Health » What Is Clonal Haematopoiesis And Risk Of Chronic Liver Disease?

What Is Clonal Haematopoiesis And Risk Of Chronic Liver Disease?


Clonal haematopoiesis, a condition characterized by a gang of genetically identical blood cells, has been found to be a major risk for chronic liver disease. Its role in liver damage must be understood to create effective treatments and preventive measures.

Previously seen as harmless, clonal haematopoiesis has been linked to serious chronic liver diseases such as cirrhosis and hepatocellular carcinoma. This phenomenon involves the expansion of one mutated blood cell group, which can cause abnormal liver functioning and tissue destruction. Genetic mutations can affect many cellular processes involved in liver homeostasis, like inflammation and fibrosis.

What is Clonal Haematopoiesis?

Clonal Haematopoiesis – or CH – is when genetically identical blood cells are produced from a single abnormal stem cell. It often goes unnoticed due to its lack of symptoms.

What is Clonal Haematopoiesis

CH usually occurs as an age-related phenomenon and has been linked to an increased risk of chronic liver disease.

▪️ CH is marked by the expansion of a certain clone of hematopoietic cells in the bone marrow.

▪️ These clones harbour somatic mutations, giving them an edge over regular blood cells.

▪️ CH is seen in people without any haematological issues.

▪️ Approximately 10% of individuals above 65 have CH.

In some cases, mutations can lead to blood cancers such as leukemia or myelodysplastic syndromes.

The Role Of Clonal Haematopoiesis In Liver Function

Clonal Hematopoiesis is a troublemaker in the liver. It can lead to chronic liver diseases like cirrhosis or hepatocellular carcinoma. This occurs when there’s an abnormal growth of blood cells, disturbing liver function.

Clonal Hematopoiesis affects more than just the blood cells. It can upset the balance of cytokines and chemokines, leading to inflammation and tissue damage. This inflammatory response can worsen chronic liver diseases.

Surprisingly, clonal hematopoiesis has an impact on liver regeneration too. Normally, hepatocytes use proliferation to repair damaged tissue and keep functioning. But, clonal hematopoiesis can impede this process, making recovery slower and the liver more vulnerable.

Working out the connection between clonal hematopoiesis and chronic liver disease is important for effective treatment. By targeting the mechanisms of clonal hematopoiesis, it might be possible to stop or slow down liver diseases. We need more research to uncover new insights and potential treatments.

Potential Mechanisms Of Clonal Haematopoiesis Leading To Chronic Liver Disease

Clonal haematopoiesis and chronic liver disease are a risky combination – like a ticking time bomb and a firework display! Let’s take a closer look at the key factors that link these two conditions. Mechanisms include:

Inflammatory cytokines

Clonal haematopoiesis can lead to an overproduction of cytokines, which cause liver inflammation and fibrosis.

Altered immune response

Clonally expanded cells may mess up the balance of immune cells in the liver, leading to poorer clearance of pathogens and more liver damage.

Oxidative stress

Mutated blood cells from clonal haematopoiesis can produce too many reactive oxygen species, damaging hepatocytes and causing liver injury.

Genetic mutations

Mutations in clonally expanded blood cells can directly affect genes involved in liver function, disrupting important processes and driving disease progression.

How Is Clonal Hematopoiesis Diagnosed?

Regular monitoring

Patients should be checked regularly for clonal haematopoiesis, as this can affect disease progression and treatment.

Targeted therapies

Therapies that specifically target the mechanisms underlying clonal haematopoiesis in chronic liver disease can improve patient outcomes and slow down disease progression.


Clonal haematopoiesis can cause chronic liver disease. Studies have linked it to the development of this condition. Mutations in blood cells can be detected through testing. They increase the risk of many diseases, including liver disease.

Clonal haematopoiesis also affects the prognosis and treatment outcomes of those with liver disease. Knowing more about it could lead to new treatments. Healthcare professionals should be aware of the link between it and chronic liver disease. People with a family history or predisposing factors should get regular monitoring and genetic testing.

Frequently Asked Questions

1. What is clonal haematopoiesis?

Clonal haematopoiesis refers to a condition in which certain mutations occur in blood-forming cells, leading to the production of a genetically distinct cell population.

2. What is the risk associated with clonal haematopoiesis?

Clonal haematopoiesis has been found to increase the risk of developing various blood cancers, including leukemia and myelodysplastic syndromes.

3. What is chronic liver disease?

Chronic liver disease is a condition characterized by long-term damage to the liver, often caused by factors such as alcohol abuse, hepatitis B or C infections, obesity, or autoimmune diseases.

4. How is clonal haematopoiesis related to chronic liver disease?

Recent studies have indicated that clonal haematopoiesis might also be associated with an increased risk of developing chronic liver disease, although the exact mechanism is not yet fully understood.

Leave a Comment