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Figure 3 | Nutrition & Metabolism

Figure 3

From: Short-term arginine deprivation results in large-scale modulation of hepatic gene expression in both normal and tumor cells: microarray bioinformatic analysis

Figure 3

RT-PCR confirmation of selected rat hepatic gene expression in normal and tumor cells in response to 18 hr arginine deprivation. Semi-quantitative Reverse Transcription Polymerase Chain Reaction was used to assess relative expression of rat LDLr, farnesyl diphosphate synthase (FDPS), GADD45, Insig-1, and GAPDH for cells cultured with (+) or without (-) arginine, Adult liver served as a positive control. DNase treated total RNA was reverse-transcribed with and without (negative control) reverse transcriptase. A. Electrophoresis of PCR products was performed in 2% agarose, 1× TAE gel and visualized by ethidium bromide staining; 1 kb DNA marker was used to verify size of the PCR products. B. Densitometry of gel bands was assessed via LabWorks Software and values were ratioed to GAPDH to provide relative comparisons between Arginine + and Arginine - conditions.

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