Endomorphin-1 vs Histatin-5
Head-to-head comparison of Endomorphin-1 (Tyr-Pro-Trp-Phe-NH2) and Histatin-5 (Human histatin 5) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Endomorphin-1 | Histatin-5 |
|---|---|---|
| Category | Pain Management | Dental & Oral |
| Full Name | Tyr-Pro-Trp-Phe-NH2 | Human histatin 5 |
| Molecular Weight | 610.71 Da | 3035 Da |
| Half-Life | Minutes in plasma | minutes in saliva |
| Amino Acids | 4 | 24 |
| Typical Dose | 0.1-10 ug per animal | 1-100 µM in research formulations |
| Route | Intrathecal / subcutaneous | Topical/Oral rinse |
| Purity | ≥98% | ≥98% |
| Studies Count | 600 | 120 |
| Research Status | Pre-clinical | Pre-clinical |
Endomorphin-1 Benefits
- ✓mu-opioid selectivity
- ✓potent antinociception
- ✓endogenous peptide scaffold
- ✓useful for receptor-discovery studies
Histatin-5 Benefits
- ✓anti-Candida activity
- ✓biofilm suppression
- ✓mucosal wound support
- ✓oral innate immunity
Endomorphin-1 Dosing
Intrathecal 0.1-10 ug per animal|Subcutaneous 0.1-5 ug per animal|In vitro 0.1-100 nM
Histatin-5 Dosing
topical rinse or gel|short contact exposure|repeat applications in research protocols
Endomorphin-1 Side Effects
- ⚠respiratory depression at high exposure
- ⚠sedation
- ⚠tolerance and dependence potential
Histatin-5 Side Effects
- ⚠local irritation
- ⚠proteolytic instability
- ⚠dose-dependent cytotoxicity in vitro
Research Overview
Endomorphin-1
Endomorphin-1 is a key research peptide in studies of endogenous mu-opioid signaling and spinal analgesia. Like other peptide analgesics, its main translational hurdles are enzymatic instability, limited oral bioavailability, and delivery across barriers.
Histatin-5
Histatin-5 is a major salivary defense peptide that can kill Candida species and influence oral microbial communities. It is also investigated for wound-healing and xerostomia-associated oral infection models.
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