Mesh : Activins / physiology Animals Apoptosis Cyclins / metabolism DNA / biosynthesis Genes, Immediate-Early Hepatectomy Hepatocyte Growth Factor / physiology Hepatocytes / cytology metabolism Humans Interleukin-6 / physiology Interphase Liver Failure / etiology Liver Regeneration / genetics physiology Liver Transplantation Living Donors Postoperative Complications Signal Transduction / genetics physiology Tumor Necrosis Factor-alpha / physiology