Cell growth on immobilized cell growth factor. 7. Protein-free cell culture by using growth-factor-immobilized polymer membrane.
Liu. S Q SQ; Ito. Y Y; Imanishi. Y Y
Key Findings
- Mouse fibroblast cells can be cultured on a polymer membrane that has insulin and/or collagen immobilized on it.
- Adding metal ions and lipids to a protein‑free medium can support cell growth similarly to serum‑containing medium.
- The insulin/collagen‑co‑immobilized membrane allowed long‑term cell growth without cells detaching.
Practical Outcomes
- For biohackers or self‑experimenters, this research does not provide a usable protocol, dosage, or safety information for GHK‑Cu or any health‑related application. It remains a specialized cell‑culture method relevant mainly to laboratory scientists.
Summary
The study describes a lab technique for growing mouse cells without using proteins in the liquid medium, by attaching insulin and collagen to a special plastic sheet and adding metal ions and fats. It shows that cells can keep growing on this surface, but it does not give any advice or data that can be used by people outside the lab, especially not for human health or the GHK‑Cu peptide.
Abstract
A protein-free culture of anchorage-dependent cells, mouse fibroblast cells, STO and 3T3-L1 and fibroic sarcoma cells, Swiss albino HSDM1C1, grown on a cell-growth protein, insulin, and/or a cell-adhesion protein, collagen, which are immobilized or coimmobilized on surface-hydrolyzed poly(methyl methacrylate) membrane, was investigated. By adding metal ions and lipids to the culture medium, a protein-free culture medium was composed, which was potent in promoting cell proliferation similarly to serum-containing culture medium. In particular, with insulin/collagen-coimmobilized membrane, a protein-free culture was established without detachment of growing cells over a long period. These protein-immobilized membranes could be used repeatedly.
Study Information
pubmed
1993
1993-02-01T00:00:00.000Z
10.1016/0141-0229(93)90044-3
25
12