Knee osteoarthritis (OA) is type of degenerative joint disease and it is one of the most common joint conditions affecting people worldwide. It causes pain, swelling and limited knee movement due to cartilage degradation.
When cartilage is severely damaged or degenerated. The bones begin to rub directly against each other and patients may develop bone spurs around the joint, causing pain, swelling and stiffness
Though once considered a condition of old age, knee OA is now affecting younger individuals in their 30s or 40s, especially those with:
- Repetitive stress on joints (e.g. running, lifting)
- Previous knee injuries
- Conditions like runner’s knee or patellofemoral pain syndrome (PFPS)
Factors of Knee Osteoarthritis
- Joint Malalignment: When bones and joints are not properly aligned, it can cause uneven weight distribution and mechanical stress, increasing the likelihood of developing osteoarthritis
- Metabolic Disorders: Disorders such as diabetes or hemochromatosis (excess iron in the body) may negatively impact joint health
- Chronic Inflammatory Diseases: Long-term inflammation from conditions like rheumatoid arthritis can damage cartilage and lead to secondary osteoarthritis
- Congenital Abnormalities: Individuals born with malformed joints or defective cartilage are at higher risk of early-onset osteoarthritis.
- Other Health Conditions: Diseases such as gout, which leads to uric acid crystal accumulation in the joints, can also contribute to the development of osteoarthritis
Can Cartilage Regenerate on Its Own?
The reality is cartilage has very limited self-healing capacity
Why?
- It has no blood supply, which means it doesn’t receive nutrients or oxygen necessary for regeneration
- Chondrocytes, the cells that maintain cartilage, are few and slow to repair damage
- No nerves in cartilage means you may not feel damage until it becomes severe
So while your body can repair cuts or broken bones relatively easily, damaged knee cartilage doesn’t regrow on its own which is why treatments are necessary
How Does Hyaluronic Acid (HA) Help in Knee OA?
Hyaluronic acid is a naturally occurring substance in your joints, responsible for lubrication and shock absorption. In knee OA, HA levels drop, causing joints to become dry, inflamed, and painful
HA (hyaluronic acid) Injections Can Help By:
- Replenishing joint lubrication, reducing friction
- Cushioning movement, easing pain during walking or exercise
- Providing temporary relief
HA injections are minimally invasive and often recommended as a first-line non-surgical treatment for knee OA
But What If You Want to Regenerate Cartilage — Not Just Relieve Pain?
This is where Mesenchymal Stem Cells (MSCs) come in. Unlike HA, which provides symptom relief, MSCs focus on repair and regeneration
What Are Mesenchymal Stem Cells (MSCs)?
Mesenchymal Stem Cells (MSCs) are known for their unique ability to migrate toward areas of inflammation and release bioactive factors that support tissue repair and regeneration. These cells help reduce inflammation, stimulate the production of growth factors, promote cellular repair, and help regulate the immune system. Due to these properties, MSCs have become a promising option for regenerative therapies
With Knee Osteoarthritis, they can:
- Reduce joint inflammation
- Stimulate cartilage regeneration
- Release growth factors that promote healing of damaged tissues
- Improve joint function and mobility
- Potentially delay or eliminate the need for knee replacement surgery
Stem Cells contain a high concentration of hyaluronic acid, glycosaminoglycans, and collagen which are the key biological substances essential for cartilage formation. Therefore, stem cells can help regenerate cartilage and reduce pain
HA vs. MSCs: What’s the Difference?
| Feature | Hyaluronic Acid (HA) | Mesenchymal Stem Cells (MSCs) |
| Function | Lubricates joint, reduces friction | Repairs tissue, reduces inflammation |
| Goal | Pain relief and mobility support | Long-term regeneration |
Combination Therapy: In many cases, HA and MSCs are used together for enhanced joint protection and healing.
Who’s a Good Candidate for These Treatments?
You may benefit from HA or MSC therapy if you:
- Have knee pain or stiffness from OA or PFPS
- Have not responded to physical therapy or oral medications
- Want to avoid surgery or delay knee replacement
- Are looking for regenerative solutions beyond temporary relief
Recovery timelines vary based on age, activity level, and OA severity. After MSC treatment, most patients:
- Report reduced pain and swelling within weeks
- Experience better joint mobility after 1–3 months
- Are advised to avoid high-impact activity for at least 3 months
- Should follow a rehabilitation program to strengthen surrounding muscles
Sources: Harvard Health, UC Davis, and National Institutes of Health (NIH)
About EDNA Wellness
EDNA Wellness is a private clinic specializing in Stem Cell Therapy in Bangkok, Thailand for Neurology & Stroke as well as Bones & Joints. Beyond rehabilitation, we also provide aesthetic and wellness treatments to support your full-body vitality. All delivered with expert care and compassion
For more information or inquiries, contact us via
LINE @ednawellness
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