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Adipose-derived stem cells (ASCs)

The Rundown:

Adipose-derived stem cells (ASCs) are multipotent adult stem cells found in fat tissue that hold promise for tissue regeneration and pain management due to their ability to differentiate into various cell types and secrete growth factors

Why it Matters:

ASCs matter for pain management due to their regenerative properties, which offer the potential to not only alleviate symptoms but also address the underlying causes of pain, providing a more comprehensive and long-lasting solution for patients.

Medical Synopsis:

Fat-derived stem cells, also known as adipose-derived stem cells (ASCs), are a type of adult stem cell found in adipose tissue, commonly known as fat. These cells hold tremendous promise in the fields of regenerative medicine and pain management due to their unique characteristics and versatility.

Adipose-derived stem cells possess the ability to differentiate into various cell types, including adipocytes, osteoblasts, chondrocytes, and myocytes. This multilineage potential makes them particularly valuable for tissue regeneration and repair. Additionally, ASCs have been shown to secrete various growth factors and cytokines that contribute to tissue healing and immunomodulation, further enhancing their therapeutic potential.

One of the most promising applications of fat-derived stem cells is in pain management. Chronic pain conditions, such as osteoarthritis and musculoskeletal injuries, present significant challenges for patients and healthcare providers alike. Traditional treatments often focus on symptom management rather than addressing the underlying cause of the pain. However, ASC-based therapies offer a regenerative approach that targets tissue repair and regeneration, potentially providing long-term relief.

Studies have demonstrated the efficacy of adipose-derived stem cell therapy in alleviating pain associated with osteoarthritis. By injecting ASCs directly into the affected joint, researchers have observed improvements in pain scores, joint function, and cartilage regeneration. These findings suggest that ASCs not only relieve pain but also promote tissue repair, offering a more comprehensive solution for osteoarthritis patients.

The process of harvesting adipose-derived stem cells is minimally invasive and typically performed as an outpatient procedure. It involves the extraction of adipose tissue from the patient’s own body, usually from the abdomen or thighs, through liposuction. Once extracted, the adipose tissue is processed to isolate the stem cells, which are then concentrated and prepared for injection.

Injecting adipose-derived stem cells into the target area can be done using various techniques, including direct injection or scaffold-based delivery systems. Direct injection involves injecting the stem cells precisely into the site of injury or degeneration, allowing them to exert their regenerative effects directly. Scaffold-based delivery systems provide a supportive matrix for the stem cells, enhancing their retention and integration into the surrounding tissue.

Clinical studies investigating the efficacy of adipose-derived stem cell therapy for pain management have shown promising results. In a randomized controlled trial published in the Journal of Clinical Medicine, patients with knee osteoarthritis who received intra-articular injections of ASCs experienced significant improvements in pain, function, and quality of life compared to the control group. Similar findings have been reported in studies examining the use of ASCs for other musculoskeletal conditions, such as rotator cuff injuries and spinal disc degeneration.

Furthermore, adipose-derived stem cell therapy has demonstrated a favorable safety profile, with minimal adverse effects reported in clinical trials. This makes it a promising option for patients who may not be candidates for traditional treatments or surgical interventions due to underlying health conditions or other factors.

In conclusion, adipose-derived stem cells hold immense potential in the fields of pain management and tissue regeneration. Their ability to promote tissue repair and modulate inflammation offers new avenues for the treatment of chronic pain conditions and musculoskeletal injuries. As research in this field continues to evolve, adipose-derived stem cell therapy is poised to become an integral component of regenerative medicine, providing hope for patients seeking effective and long-lasting relief from pain and disability.

Written by: Joey Fio, Chief Programs Officer

References

[1] Song, Y., Du, H., Dai, C., Zhang, L., Li, S., Hunter, D. J., & Lu, L. (2020). Human adipose-derived mesenchymal stem cells for osteoarthritis: a pilot study with long-term follow-up and repeated injections. Regenerative Medicine, 15(12), 1645-1656.

[2] Pers, Y. M., Rackwitz, L., Ferreira, R., Pullig, O., Delfour, C., Barry, F., … & Jorgensen, C. (2016). Adipose Mesenchymal Stromal Cell-Based Therapy for Severe Osteoarthritis of the Knee: A Phase I Dose-Escalation Trial. Stem Cells Translational Medicine, 5(7), 847-856.

[3] Michalek, J., Moster, R., Lukac, L., Proefrock, K., Petrasovic, M., & Rybar, J. (2015). Autologous adipose tissue-derived stromal vascular fraction cells application in patients with osteoarthritis. Cell transplantation, 24(10), 1-12.

[4] Kim, Y. S., Choi, Y. J., Lee, S. W., Kwon, O. R., & Suh, D. S. (2015). Heo, DB, Koh YG. Mesenchymal stem cell implantation in osteoarthritic knees: is fibrin glue effective as a scaffold? The American journal of sports medicine, 43(1), 176-185.

Commentary

Adipose-derived stem cells (ASCs) are widely utilized in the USA, often harvested from the patient’s abdomen or buttocks and then reintroduced into the body. While results in this application may vary, ASC therapy offers a cost-effective starting point in regenerative medicine. When combined with platelet-rich plasma (PRP), outcomes are enhanced, making it a promising avenue for tissue repair and pain management.

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