Although TK activity was consistently observed by immunoblotting extracts from activated RAW 264 . 7 cells , LPS-induced phosphotyrosine residues were not observed from similarly treated CHO/CD14 cells .
although tk activity was consistently observed by immunoblotting extracts from activated raw 264 . 7 cells , lps-induced phosphotyrosine residues were not observed from similarly treated cho/cd14 cells .
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