Side-by-Side Comparison · 2026

Apelin-36 vs Catestatin

Apelin-36 vs Catestatin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Apelin-36
Cardiovascular Peptide

Apelin-36 is the full-length 36-amino acid form of the apelin peptide family, encoded by the APLN gene. It activates the APJ (APLNR) receptor, a Gi-coupled GPCR, producing cardiovascular effects including vasodilation, positive inotropy, and cardioprotection. The largest naturall...

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Catestatin
Cardiovascular Peptide

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...

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Key Parameters
Parameter Apelin-36 Catestatin
Category Cardiovascular Peptide Cardiovascular Peptide
Research Preclinical / Phase 2 Preclinical / Early Human
Half-Life 2-5 minutes (IV) ~15-30 minutes (IV)
Typical Dose 1-10 nmol/kg IV (research) 0.3-3 nmol/kg (animal studies)
Frequency Variable Acute dosing in research
Route IV / SC (research) IV (research); intranasal under study
FDA Status Not approved Research compound

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Frequently Asked Questions
What is the difference between Apelin-36 and Catestatin?
Apelin-36: Apelin-36 is the full-length 36-amino acid form of the apelin peptide family, encoded by the APLN gene. It activates the APJ (APLNR) receptor, a Gi-coupled GPCR, producing cardiovascular effects inclu... Catestatin: 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 cat...
Which has a longer half-life, Apelin-36 or Catestatin?
Apelin-36 half-life: 2-5 minutes (IV). Catestatin half-life: ~15-30 minutes (IV).
Can you stack Apelin-36 and Catestatin?
Apelin-36 and Catestatin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

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.