Source: Arizona State University | Adapted by: Association of Certified Professional Nutritionists (ACPN)
Recent research from Arizona State University (ASU) has revealed a groundbreaking connection between cancer biology and regenerative healing. The study identifies SerpinB3, a protein long recognized as a cancer marker, as a key player in the body’s natural wound-healing process.
Published in the Proceedings of the National Academy of Sciences (PNAS), the findings provide a deeper understanding of how the body maintains tissue repair — and open new pathways for nutrition-based and bioactive support of wound recovery.
🔬 From Cancer Biomarker to Healing Agent
SerpinB3, also known as Squamous Cell Carcinoma Antigen-1 (SCCA-1), has been widely used for over 40 years as a diagnostic indicator of lung, liver, and skin cancers, where elevated levels are associated with poor prognosis.
However, the ASU research team — led by Professor Kaushal Rege and Assistant Professor Jordan Yaron from the Biodesign Center for Biomaterials Innovation and Translation — discovered that SerpinB3 also acts as a natural wound-healing regulator.
“When we looked at healing skin, we found that cells moving into the wound bed produced large amounts of SerpinB3,” said Dr. Yaron. “It became clear that this is part of the machinery humans evolved to heal epithelial injuries — a mechanism that cancer cells have learned to exploit.”
🩹 How SerpinB3 Supports Tissue Repair
In both animal and laboratory models, researchers found that SerpinB3 promotes skin cell mobility and enhances the rebuilding of tissue structure. When added to damaged skin, SerpinB3 triggered keratinocyte activation, accelerating wound closure as effectively as Epidermal Growth Factor (EGF) — one of the best-known agents for tissue repair.
Moreover, wounds treated with SerpinB3 displayed stronger collagen organization, restoring elasticity and strength — an outcome that could benefit those suffering from chronic wounds, including diabetic ulcers, burns, and pressure sores.
⚖️ The Dual Nature of SerpinB3
SerpinB3 is part of a larger family of proteins called serpins — short for serine protease inhibitors — which regulate inflammation, immunity, and tissue regeneration.
This research highlights SerpinB3’s “double-edged” nature:
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At normal levels, it facilitates regeneration and healing.
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At elevated levels, it may contribute to tumor progression and metastasis.
This duality underscores the importance of biological balance, reminding health professionals that supporting recovery through functional nutrients and cellular regulation must always consider the fine line between repair and overgrowth.
🌿 Implications for Functional Nutrition and Integrative Health
The discovery provides an important scientific foundation for practitioners of functional and clinical nutrition, who often support wound repair and immune modulation through nutrients that assist in antioxidant defense, collagen synthesis, and cellular energy metabolism.
Nutrients such as alpha-lipoic acid, N-acetyl-cysteine (NAC), and essential trace minerals — all involved in thiol-based cellular protection — share biological pathways similar to those regulated by SerpinB3.
This alignment points to an integrative approach: using nutrition and biochemistry to support the body’s own regenerative capacity safely and effectively.
💡 Toward a Healthier Future
With nearly 6 million chronic wound cases annually in North America and significant healthcare costs, understanding molecular healing factors such as SerpinB3 could revolutionize both clinical treatment and nutritional recovery strategies.
This research reinforces ACPN’s ongoing mission:
to promote evidence-based, compliant, and professionally guided use of functional nutrients that support the body’s natural healing mechanisms while ensuring ethical, science-driven care.
As the science of nutrition and molecular health continues to evolve, ACPN remains committed to advancing professional education, compliance standards, and research translation that empower practitioners to deliver measurable, safe, and meaningful results.
About ACPN
The Association of Certified Professional Nutritionists (ACPN) is a professional organization dedicated to advancing evidence-based nutrition and compliance within the field of functional health. For over a decade, ACPN has led efforts to establish industry standards, certification systems, and ethical frameworks for professional nutritionists — supporting safe, effective, and sustainable wellness practices in Canada and beyond.