[Cortexin and cortagen as correcting agents in functional and metabolic disorders in the brain in chronic ischemia].
Zarubina. I V IV; Shabanov. P D PD
Key Findings
- Both cortexin and cortagen sped up behavioral recovery in ischemic rats.
- The peptides reduced excess lipid peroxidation, a marker of oxidative stress.
- Antioxidant activity in brain tissue was preserved compared to untreated rats.
Practical Outcomes
- The study suggests these peptides have neuroprotective effects in animal models of chronic brain ischemia, but there is no human data, dosing guidance, or safety profile for people. For biohackers, it is an early‑stage signal that cortagen might be worth watching, yet it cannot be directly applied to personal protocols at this time.
Summary
In rats with long‑term brain blood‑flow problems, two peptides—cortexin (a natural polypeptide) and cortagen (a synthetic version)—helped the animals recover normal behavior faster and protected brain tissue from oxidative damage.
Abstract
The polypeptide drug cortexin and the synthetic peptide drug cortagen accelerate the recovery of disturbed individual behavior of ischemic rats with different resistance to hypoxia (high and low resistant rats). In addition, both drugs prevented an excessive activation of lipid peroxidation and a decrease in the antioxidant activity in the brain tissues. The obtained results suggest that cortexin and cortagen can be used for increasing the efficacy of neuroprotective therapy in cases of chronic brain ischemia.
Study Information
pubmed
2011