## Abstract The multiplication rate of sparse cultures of chick embryo cells is only slightly lower at pH 6.9 than at pH 7.4. There is, however, a marked reduction in the multiplication rate of the pH 6.9 cultures before they reach confluency. Cultures at pH 7.4 continue to multiply beyond confluen
Stimulation of Glucose Transport in Cultures of Density-Inhibited Chick Embryo Cells
β Scribed by Bartholomew M. Sefton and Harry Rubin
- Book ID
- 123650611
- Publisher
- National Academy of Sciences
- Year
- 1971
- Tongue
- English
- Weight
- 748 KB
- Volume
- 68
- Category
- Article
- ISSN
- 0027-8424
- DOI
- 10.2307/61163
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## Abstract Initiation of proliferation in densityβinhibited chick embryo fibroblast cultures induced by insulin or trypsin was partially reversed by replacing the medium with supernatants from parallel nonβstimulated cultures. Growth stimulation by neuraminidase, pokeweed mitogen, bacterial lipo p
## Abstract Cell proliferation in densityβinhibited chick embryo cell cultures was induced by microgram quantities of insulin, neuraminidase, trypsin or papain. Other proteins tested, including albumin, fetuin, ribonuclease and hyaluronidase were inactive except in very high concentrations (> 100 ΞΌ