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  • Title: Total parenteral nutrition and inhibition of gluconeogenesis on tumor-host responses.
    Author: Grubbs B, Rogers W, Cameron I.
    Journal: Oncology; 1979; 36(5):216-23. PubMed ID: 113715.
    Abstract:
    Rats bearing the Morris hepatoma No. 7777 were randomized into three treatment groups. Two of the groups received a nutritionally complete liquid formula diet per os ad libitum. One of these two groups received hydrazine sulfate (HS; an inhibitor of gluconeogenesis) twice daily (15 mg/kg) for 5 days. A third group of tumorous rats received the HS therapy and was given the liquid diet parenterally for 5 days. Tumorous rats fed per os, especially with HS therapy demonstrated inhibition of tumor growth, reduction of body and carcass weight, anorexia and decreased nitrogen retention. The combination of parenteral feeding and HS therapy sustained body and carcass weight with high nitrogen retention but stimulated tumor growth and was associated with liver toxicity. These results support the concept that cancer cachexia involves 'a systemic energy-losing cycle dependent on an interplay of tumor glycolysis and gluconeogenesis'.
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