Cholecystokinin-8 vs Atrial Natriuretic Peptide (ANP-28)
Head-to-head comparison of Cholecystokinin-8 (Cholecystokinin (sulfated C-terminal octapeptide, CCK-8)) and Atrial Natriuretic Peptide (ANP-28) (Human Atrial Natriuretic Peptide) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Cholecystokinin-8 | Atrial Natriuretic Peptide (ANP-28) |
|---|---|---|
| Category | Endocrine Peptides | Endocrine Peptides |
| Full Name | Cholecystokinin (sulfated C-terminal octapeptide, CCK-8) | Human Atrial Natriuretic Peptide |
| Molecular Weight | 1143.2 Da | ~3070 Da |
| Half-Life | 1-2 min | 2-5 min |
| Amino Acids | DY(SO3H)MGWMDF-NH2 | SLRRSSCFGGRMDRIGAQSGLGCNSFRY |
| Typical Dose | physiologic low-picomolar-nanomolar range|research-dependent | N/A |
| Route | endogenous secretion|research IV/SC | IV infusion |
| Purity | ≥98% | ≥98% |
| Studies Count | 97 | 85 |
| Research Status | Endogenous | Endogenous |
Cholecystokinin-8 Benefits
- ✓gallbladder contraction
- ✓pancreatic enzyme release
- ✓satiety signaling
Atrial Natriuretic Peptide (ANP-28) Benefits
- ✓natriuresis
- ✓vasodilation
- ✓cGMP elevation
Cholecystokinin-8 Dosing
physiologic secretion|research-dependent
Atrial Natriuretic Peptide (ANP-28) Dosing
N/A|N/A
Cholecystokinin-8 Side Effects
- ⚠abdominal cramping
- ⚠nausea
- ⚠biliary contraction
Atrial Natriuretic Peptide (ANP-28) Side Effects
- ⚠hypotension
- ⚠dizziness
Research Overview
Cholecystokinin-8
CCK-8 is a canonical gut hormone fragment with extensive documentation in digestive physiology and appetite control. Sulfation of the tyrosine residue is important for high-affinity receptor activity.
Atrial Natriuretic Peptide (ANP-28)
Well-documented endogenous hormone central to blood-pressure and volume regulation; extensively studied as a biomarker and as a mechanistic probe for cGMP signaling.
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