## Abstract Enhanced amino acid transport is observed when quiescent cultures of chicken embryo fibroblasts are stimulated to proliferate by the addition of purified multiplicationβstimulating activity (MSA). This increase in amino acid transport is an early event occuring prior to the onset of DNA
Polyamines and the stimulation of DNA synthesis in chicken embryo fibroblasts by purified multiplication-stimulating activity
β Scribed by G.L. Smith; A.W. Stange
- Book ID
- 118938284
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 471 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0024-3205
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## Abstract Multiplication stimulating activity (MSA) has been purified from the conditioned media of rat liver cells in culture by a modification of the procedure of Dulak and Temin. Purified MSA stimulates [^3^H] thymidine incorporation into DNA in subconfluent, serum starved 3T3 cells. Cell cycl