Arenicin-1 vs PACAP-38

Head-to-head comparison of Arenicin-1 (Arenicin-1) and PACAP-38 (Pituitary Adenylate Cyclase-Activating Polypeptide-38 (human PACAP-38)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyArenicin-1PACAP-38
CategoryMarine-DerivedCognitive Enhancement
Full NameArenicin-1Pituitary Adenylate Cyclase-Activating Polypeptide-38 (human PACAP-38)
Molecular Weight2079 Da4534 Da
Half-Lifen/aminutes
Amino Acids2138 aa
Typical Dosen/a10-100 µg preclinical range
RoutepreclinicalIntranasal
Purity≥98%≥98%
Studies Count76650
Research StatusPre-clinicalPre-clinical

Arenicin-1 Benefits

  • antimicrobial
  • anti-biofilm
  • membrane-active

PACAP-38 Benefits

  • synaptic plasticity
  • BDNF upregulation
  • neuroprotection
  • memory consolidation

Arenicin-1 Dosing

bacterial infection|biofilm disruption

PACAP-38 Dosing

0.1-1 nmol ICV in rodents|10-100 µg intranasal in preclinical studies|single-dose or short repeated protocols

Arenicin-1 Side Effects

  • Arenicola marina

PACAP-38 Side Effects

  • headache-like effects
  • flushing
  • hypotension

Research Overview

Arenicin-1

Marine annelid peptide with strong preclinical antibacterial activity and a stable structural motif that is useful for peptide engineering.

PACAP-38

PACAP-38 is one of the most studied endogenous neuropeptides for protecting neurons from ischemic and excitotoxic damage. Preclinical literature also links it to hippocampal plasticity and learning-related signaling, including increased BDNF expression.

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Common Stacking Partners

Arenicin-1 stacks with:

Arenicola marinabeta-hairpinantibiotic

PACAP-38 stacks with:

citicolinealpha-gpcomega-3
marine-derivedbioactiveantimicrobial peptidebiofilmneurotrophicbdnfsynaptic-plasticityneuroprotection