THE AMINO ACID REQUIREMENTS OF MONKEY KIDNEY CELLS IN FIRST CULTURE PASSAGE

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Abstract
Monkey kidney cells tested in their first culture passage, 24 hours after their isolation from the animal host, required the same 13 amino acids for survival and growth as cell lines serially propagated in culture for years. Under the conditions of the present experiments, arginine, cystine, glutamine, histidine, and tyrosine proved necessary, over and above the 8 amino acids required for nitrogen balance in man.