Insulin as a Potent, Specific Growth Factor in a Rat Hepatoma Cell Line

A line of rat hepatoma cells in culture which, in response to serum starvation, become arrested in the early G$_{1}$ phase of growth, can be stimulated by insulin alone to enter the cell cycle and traverse S phase. A half-maximum response is observed at 30 to 70 picomolar concentrations and the maxi...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1981-02, Vol.211 (4485), p.947-949
Hauptverfasser: Koontz, John W., Iwahashi, Mieko
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container_title Science (American Association for the Advancement of Science)
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creator Koontz, John W.
Iwahashi, Mieko
description A line of rat hepatoma cells in culture which, in response to serum starvation, become arrested in the early G$_{1}$ phase of growth, can be stimulated by insulin alone to enter the cell cycle and traverse S phase. A half-maximum response is observed at 30 to 70 picomolar concentrations and the maximum response is essentially identical to that found with optimum serum concentrations.
doi_str_mv 10.1126/science.7008195
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source MEDLINE; Science Magazine; JSTOR Archive Collection A-Z Listing
subjects Amoeba
Animals
Cell cycle
Cell Cycle - drug effects
Cell Division - drug effects
Cell growth
Cell Line
Cell lines
Cell nucleus
Electrodes
Growth Substances
Human growth
Insulin
Insulin - pharmacology
Interphase
Liver Neoplasms, Experimental - pathology
Mitosis - drug effects
Mitotic index
Proinsulin - pharmacology
Rats
Structure-Activity Relationship
title Insulin as a Potent, Specific Growth Factor in a Rat Hepatoma Cell Line
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