Apelin-17 vs Catestatin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?
Apelin-17 is a 17-amino acid C-terminal fragment of the prepro-apelin precursor that binds and activates the APJ receptor (now APLNR) with the highest potency of all naturally occurring apelin isoforms. While apelin-13 is the best-characterized isoform, apelin-17 shows greater re...
Calculate Apelin-17 dose →Catestatin is a 21-amino acid peptide derived from the chromogranin A (CgA) protein, specifically cleaved from the region spanning residues 352-372. It was identified as an endogenous inhibitor of catecholamine secretion, acting as a non-competitive antagonist at nicotinic acetyl...
Calculate Catestatin dose →| Parameter | Apelin-17 | Catestatin |
|---|---|---|
| Category | Cardiovascular Peptide | Cardiovascular Peptide |
| Research | Preclinical / Phase I | Preclinical / Early Human |
| Half-Life | ~3-5 minutes IV (longer than apelin-13) | ~15-30 minutes (IV) |
| Typical Dose | 30-100 nmol/kg/min (IV infusion, clinical) | 0.3-3 nmol/kg (animal studies) |
| Frequency | Acute infusion protocols | Acute dosing in research |
| Route | IV infusion (clinical studies); SC under investigation | IV (research); intranasal under study |
| FDA Status | Investigational (Phase I/II) | Research compound |
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For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.