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Can common genetic factors be behind both osteoarthritis and cardiovascular disease?

Baby twins in rabbit hats

Scientists have long tried to understand the connection between osteoarthritis, our most common joint disease, and cardiovascular diseases such as heart attacks and high blood pressure. Previously, it was believed that osteoarthritis simply increases the risk of cardiovascular disease due to reduced physical activity due to joint pain and obesity. But new findings suggest that something much deeper may lie behind the connection: our genes.

A new insight into common roots

Studies have shown that certain genetic factors may be common to both osteoarthritis and cardiovascular disease. This means that people who have a genetic predisposition to osteoarthritis may also have an increased risk of heart problems – and vice versa.

The study in brief

The study from Lund University used data from Swedish twin registers and showed that identical twins, who share 100% of their genes, more often had both osteoarthritis and cardiovascular disease compared to fraternal twins, who share only half of their genes. This suggests that genetics play an important role in the development of both diseases.

A specific genetic overlap has been identified in previous studies, meaning that certain genes can affect both cartilage health (linked to osteoarthritis) and blood vessel function (linked to cardiovascular disease). This insight could change the way we look at these diseases and open doors to new treatment strategies that target the common mechanisms.

A changed view of risk factors

If these diseases have common genetic roots, it could change the way we look at risk factors and treatment strategies. Instead of only focusing on managing lifestyle factors such as weight and physical activity, future treatments can also be directed at biological mechanisms that positively affect both joint health and cardiovascular health.

The future

This research can eventually lead to significant changes in how we prevent and treat osteoarthritis and cardiovascular diseases. Here are some possible effects:

• Personalized medicine: By identifying common genetic factors, healthcare can develop treatments that are tailored to the individual's genetic profile and treat both diseases at the same time.

• Earlier detection: Tests can help identify people at higher risk of developing both osteoarthritis and cardiovascular disease, allowing for earlier intervention

• Targeted therapies: New medications or treatments can be designed to affect the shared genetic mechanisms, which can reduce the impact of both diseases.

• Holistic perspective in care: The results encourage a more integrated view of health, where different systems in the body are treated as interconnected instead of focusing on individual diseases in isolation.

• Prevention strategies: Knowledge of genetic predispositions can lead to improved lifestyle advice and preventive measures to reduce the risk of both diseases

 

Link to publication

Shared genetic factors between osteoarthritis and cardiovascular disease may underlie common etiology - PubMed

Link to article by university of Lund

Genetisk koppling mellan artros och hjärt-kärlsjukdom utmanar syn på riskfaktorer | Medicinska fakulteten