NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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branched chain amino acid supplement
A nutritional supplement containing essential branched-chain amino acids (BCAAs), including leucine, isoleucine and valine, with potential anti-cachectic, antiangiogenic, hepatocellular carcinoma (HCC)-inhibiting and hepatoprotective activities. Upon oral administration, BCAAs inhibit the expression of both hypoxia-inducible factor 1-alpha subunit (HIF-1a) and vascular endothelial growth factor (VEGF), which prevents VEGF-mediated angiogenesis in HCC cells. In addition, BCAAs inhibit proliferation and induce apoptosis of HCC cells by both suppressing the expression of insulin-like growth factor (IGF), and inhibiting the phosphatidylinositol 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway. BCAAs also correct the plasma amino acid imbalance and promote protein metabolism, including the synthesis of albumin and glycogen. They reduce oxidative stress by inducing the activation of genes involved in antioxidant defenses, which prevent the production of reactive oxygen species (ROS). BCAAs also strengthen the immune system by increasing hepatic lymphocytes and stimulating natural killer (NK) cell activity. This supplement is able to improve insulin resistance and promote ammonia detoxification through increased glutamine (Gln) production. Check for active clinical trials using this agent. (NCI Thesaurus)

Abbreviation:BCAA supplement