Understand the source comparison
Peptides for Neuroprotection: Research Applications Comparison
Cerebrolysin BDNF/NGF mimetic, PI3K/Akt activation Moderate (requires prolonged administration) 10–30 mL/kg IV in animal models 2–8°C, sterile solution, light-protected Gold standard for ischemic injury models but requires strict temperature control Dihexa HGF
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- Cerebrolysin
- BDNF/NGF mimetic, PI3K/Akt activation
- Moderate (requires prolonged administration)
- 10–30 mL/kg IV in animal models
- 2–8°C, sterile solution, light-protected
- Gold standard for ischemic injury models but requires strict temperature control
- Dihexa
- HGF/c-Met signaling, synaptogenesis
- High (lipophilic structure)
- 0.5–5 mg/kg in rodent studies
- −20°C after reconstitution, use within 28 days
- Most potent cognitive enhancement signal in preclinical models but limited human data
- P21
- TrkB receptor modulation, BDNF signaling duration
- Moderate
- 1–10 mg/kg subcutaneous in animal models
- −20°C lyophilized, pH-sensitive in solution
- Best for studying synaptic plasticity but requires precise pH during reconstitution
- SS-31 (Elamipretide)
- Mitochondrial membrane stabilization, ROS reduction
- High
- 1–5 mg/kg IV or subcutaneous
- 2–8°C as lyophilized powder
- Specific for mitochondrial dysfunction but narrow therapeutic window in vivo