Do you sometimes feel stiff and stiff when you get out of bed in the morning? Do you feel pain and stiffness that makes it difficult to bend or straighten your back for a while? Many people dismiss it as just a backache or a sore throat. However, it may not always be that simple. These symptoms may also be a sign of ankylosing spondylitis, a very rare type of arthritis that affects the spine. So let's talk about this in more depth today.
Simply put, what is ankylosing spondylitis (AS)?
Ankylosing spondylitis, or AS for short, is a rare type of arthritis. It's mainly caused by inflammation in the joints of your spine, which can become stiff over time. The word "ankylosing" means "stiff or joined together." "Spondylitis" means "inflammation of the spine." So the name makes sense, right?
Although this condition mainly affects the spine, it can sometimes affect other joints, such as the hips, shoulders, and knees. Doctors are still not sure what causes it. However, it is believed to be a combination of your genes and environmental factors .
How do genes affect this?
This is a bit of a complicated story, but I'll keep it simple. Many people with ankylosing spondylitis (AS) have a special gene called `HLA-B27`. This is actually a gene related to our body's immune system. The immune system is like our own army that fights germs like bacteria and viruses that enter our body and protects us from disease.
Imagine that there is a lock on your house door. The `HLA-B27` gene is like a special key that fits that lock. But not everyone opens the door and comes home just because they have the key, right? This is the same thing.
The important thing is that having the `HLA-B27` gene in your body does not mean that you will definitely develop AS. Most people who have this gene will never develop the disease in their lifetime. Similarly, people who do not have this gene can also develop AS.
That means `HLA-B27` is only one factor. Scientists have found several other genes that are related to this. Those genes are also important parts of the functioning of our immune system. But research is still ongoing on how these genetic changes affect the development of AS.
Are there other triggers for the disease?
Yes. Even if you have a genetic predisposition to developing AS, you may need a trigger to start it. It's like a gun with bullets, but you need to pull the trigger to fire.
Although it's impossible to say exactly what these triggers are, scientists have several ideas.
- Injury: Any injury to the spine or a joint.
- Bacterial infection: A change in the immune system caused by a bacterial infection.
One of the main theories is that the disease may be triggered by a breakdown in the natural defense mechanisms in our intestines . When this happens, some bacteria in the intestines can easily enter our bloodstream. This is like a big warning to our immune system. Then the immune system goes into overdrive and mistakenly starts attacking our own spinal joints. This is what causes the inflammation and pain. But remember, these are still just theories that are still in the research stage.
Who is at higher risk of developing this disease?
Anyone can develop ankylosing spondylitis. But some people are at a higher risk. Let's see who they are. It will be easier for you to understand these facts in a table.
| Risk Factor | Description |
|---|---|
| Family history | If someone in your immediate family, such as your mother, father, or siblings, has AS, you are at slightly higher risk of developing it too. |
| Age | This is very special. AS usually starts at a young age, between the ages of 17 and 45. It doesn't start as you get older like other types of arthritis. |
| Gender | Men are about twice as likely to develop this disease than women. |
| Frequent intestinal infections | If you frequently experience gastrointestinal infections, such as stomach upset and diarrhea, that can also be a risk factor. |
| Other autoimmune diseases | If you already have another autoimmune disease, such as psoriasis, Crohn's disease, or ulcerative colitis, your risk of developing AS is also higher. |
If you have one or more of these risk factors, it doesn't mean you will definitely develop the disease. However, it does mean that you should be more aware of symptoms such as morning stiffness and pain. If something like this persists, it's best to see your doctor right away and get advice.
Take-Home Message
- Ankylosing spondylitis (AS) is an inflammatory arthritis condition that causes stiffness in the joints of the spine. The exact cause is still unknown.
- Although the gene `HLA-B27` is a major risk factor, the mere presence of that gene does not cause the disease.
- The disease most often begins in young adulthood (17-45 years) and is more common in men than women.
- Never ignore morning back stiffness and pain that lasts more than half an hour, especially if you have other risk factors.
- If you have these symptoms, the best and safest thing to do is to see your doctor for a proper diagnosis and guidance.
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