Gene Expression Regulation, Neoplastic; Genes, myc/genetics; Protein Kinases/metabolism; Repressor Proteins/metabolism; AMP-Activated Protein Kinases/metabolism; Adenosine Triphosphate/metabolism; Animals; Apoptosis; Carcinoma, Hepatocellular/drug therapy; Carcinoma, Hepatocellular/genetics; Carcinoma, Hepatocellular/metabolism; Carcinoma, Hepatocellular/pathology; Cell Line, Tumor; Cell Respiration; Cell Survival; Cell Transformation, Neoplastic/genetics; Disease Models, Animal; Doxycycline/pharmacology; Electron Transport; Glutamine/metabolism; Homeostasis; Humans; Liver Neoplasms/drug therapy; Liver Neoplasms/genetics; Liver Neoplasms/metabolism; Liver Neoplasms/pathology; Mechanistic Target of Rapamycin Complex 1; Mice; Mitochondria/metabolism; Multiprotein Complexes; Oncogene Protein p55(v-myc)/genetics; Oncogene Protein p55(v-myc)/metabolism; Protein Biosynthesis; Protein Kinases/deficiency; Protein Kinases/genetics; Proteins/antagonists & inhibitors; Proteins/metabolism; RNA Interference; Repressor Proteins/antagonists & inhibitors; Repressor Proteins/deficiency; Repressor Proteins/genetics; Signal Transduction; TOR Serine-Threonine Kinases/metabolism