Abstract:Cancer cells have high metabolic demands. Myc oncoproteins function as transcription factors and are overexpressed in a number of human malignancies. Myc induces the transcription of a number of genes involved in glycolysis and glutaminolysis, including those encoding transporters of glucose, glutamine, lactate and branched-chain amino acids (BCAA: valine, leucine and isoleucine, via LAT1/SLC7A5). Tumors driven by Myc are dependent on and utilize L-glutamine to feed carbon intermediates into the Krebs Cycle. W… Show more
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