Thymosin Alpha-1 vs PNC-27
Side-by-side comparison of key properties, dosing, and research.
Immune SupportAnti-Aging & Longevity
Thymosin Alpha-1Immune Support
PNC-27- Summary
- Thymosin Alpha-1 is a naturally occurring 28-amino acid peptide derived from the thymus gland. It is a powerful immune modulator approved in many countries for treating chronic hepatitis B, hepatitis C, and as an adjunct in cancer immunotherapy.
- PNC-27 is a synthetic peptide derived from the p53 tumor suppressor protein, containing both an HDM2-binding domain and a transmembrane penetratin sequence. It selectively kills cancer cells by binding MDM2/HDM2 overexpressed on the plasma membrane of malignant cells, inducing membranolysis without harming normal cells.
- Half-Life
- 2–3 hours
- Not well established; estimated minutes to hours
- Admin Route
- SubQ
- Intravenous (research), Intraperitoneal (research)
- Research
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- Typical Dose
- 0.8–1.6 mg
- Not established for humans; research doses vary by cell line and model
- Frequency
- Twice weekly
- Not established for human use
- Key Benefits
- Enhances T-cell and NK cell activity
- Supports recovery from viral and bacterial infections
- May reduce inflammation systemically
- Supports healthy aging and immune resilience
- Improves vaccine response
- Supports liver health
- May help with chronic fatigue syndrome and post-viral conditions
- Approved in multiple countries for hepatitis B and C treatment
- Selective cytotoxicity against cancer cells overexpressing HDM2/MDM2
- Spares normal cells lacking surface HDM2 expression
- Membranolytic mechanism bypasses intracellular resistance pathways
- Demonstrated activity against breast, pancreatic, leukemia, and melanoma cell lines
- Potential for combination with conventional chemotherapy
- Novel non-genotoxic anticancer mechanism
- Side Effects
- Injection site irritation
- Mild flu-like symptoms initially (immune activation)
- Fatigue (rare)
- Limited human clinical data; largely in vitro and animal studies
- Potential immunogenic reactions (foreign peptide)
- Systemic toxicity at high doses not well characterized
- Unknown interactions with current chemotherapy agents
- Stacks With
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