Effect of delta-sleep-inducing peptide on expression of heat shock protein 70 kDa in K562 cells.
Nurbakov. A A AA; Mikhaleva. I I II; Sapozhnikov. A M AM
Key Findings
- DSIP reduces intracellular HSP70 levels in K562 leukemia cells under high‑density culture conditions.
- The effect was measured with flow cytometry, confirming a direct impact on heat‑shock protein expression.
- The study was performed in vitro on a cancer cell line, not in humans.
Practical Outcomes
- For biohackers, the result is mostly academic; it shows DSIP can influence cellular stress pathways, but there’s no dosage, safety, or human data to guide use. Until more research confirms similar effects in people, it isn’t a basis for a practical protocol.
Summary
A lab study found that the delta‑sleep‑inducing peptide (DSIP) can lower the amount of a stress‑related protein called HSP70 in a specific type of human leukemia cells when they are grown very densely. This was observed using flow‑cytometry, a technique that measures proteins inside cells.
Abstract
For evaluation of the stress-protective influence of delta-sleep inducing peptide we studied its effects on the system of heat-shock proteins in immune cells using the method of flow cytometry. The peptide affected the expression of heat-shock protein 70 kDa in cultured human myeloleukemia K562 cells. Delta-sleep-inducing peptide reduces accumulation of intracellular heat shock proteins 70 kDa in cells cultured under conditions of high density.
Study Information
pubmed
2009
2009-06-03T00:00:00.000Z
10.1007/s10517-009-0453-y
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