Pinealon increases cell viability by suppression of free radical levels and activating proliferative processes.
Khavinson. V V; Ribakova. Y Y; Kulebiakin. K K; Vladychenskaya. E E; Kozina. L L; Arutjunyan. A A; Boldyrev. A A
Key Findings
- Pinealon reduces reactive oxygen species (ROS) in cerebellar granule cells, neutrophils, and PC12 cells in a dose‑dependent way
- It decreases necrotic cell death as measured by propidium iodide staining
- It delays ERK 1/2 activation and alters the cell cycle, suggesting possible direct interaction with cellular DNA
Practical Outcomes
- For biohackers, pinealon looks like a potential antioxidant supplement, but the research is limited to cell cultures with no human dosing or safety data. Until clinical studies are done, it’s not ready for concrete dosing protocols, and any use should be experimental and cautious.
Summary
The lab study shows that the synthetic peptide pinealon can lower harmful oxidative molecules and protect cells from dying in test‑tube experiments, and it also seems to influence cell growth signals, hinting it might do more than just act as an antioxidant.
Abstract
The synthetic tripeptide pinealon (Glu-Asp-Arg) demonstrates dose-dependent restriction of reactive oxygen species (ROS) accumulation in cerebellar granule cells, neutrophils, and pheochromocytoma (PC12) cells, induced by oxidative stress stimulated by receptor-dependent or -independent processes. At the same time, pinealon decreases necrotic cell death measured by the propidium iodide test. The protective effect of pinealon is accompanied with a delayed time course of ERK 1/2 activation and modification of the cell cycle. Because restriction of ROS accumulation and cell mortality is saturated at lower concentrations, whereas cell cycle modulation continues at higher concentrations of pinealon, one can conclude that besides its known antioxidant activity, pinealon is able to interact directly with the cell genome.
Study Information
pubmed
2011
2011-10-06T00:00:00.000Z
10.1089/rej.2011.1172
17
24