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Anti-Cancer Agents in Medicinal Chemistry


ISSN (Print): 1871-5206
ISSN (Online): 1875-5992

Research Article

3-Bromopyruvic Acid, A Hexokinase II Inhibitor, is an Effective Antitumor Agent on the Hepatoma Cells : in vitro and in vivo Findings

Author(s): Lei Gong, Yuhua Wei, Xin Yu, Jirun Peng and Xisheng Leng

Volume 14, Issue 5, 2014

Page: [771 - 776] Pages: 6

DOI: 10.2174/1871520614666140416105309

Price: $65


Over-expressed in cancer cells, hexokinase II (HK II) forms a mitochondrial complex, which promotes cancer survival. 3- Bromopyruvic acid (3-BrPA) dissociates HK II from this complex, causing cell death, and thus, having an anti-tumor effect. The design of this study was to first analyze the expression of HK II in the hepatoma cell line, BEL-7402, then investigate the effects of 3-Br-PA on these cells, and finally, discuss its potential for clinical usage. HK II expression was detected in BEL-7402 cells by immunocytochemistry and reverse transcriptase polymerase chain reaction (RT-PCR). In vitro treatment of cells with 3-BrPA significantly inhibited their growth, as evaluated by MTT assay and adenosine triphosphate-tumor chemosensitivity assay (ATP-TCA). To analyze the in vivo function and safety of this drug, a tumor model was established by subcutaneously implanting hepatic cancer cells into nude mice. 3-BrPA treatment (50 mg/kg ip. daily, 6 days/week for three weeks) was effective in the animal model by attenuating tumor growth and causing tumor necrosis. Toxic signs were not observed. The acute toxicity study provided an LD50 of 191.7 mg/kg for 3-BrPA. Taken together, our in vitro and in vivo analyses suggest that 3-BrPA exerts anti-hepatoma effects, and may be an effective pharmacological agent for the treatment of hepatocellular carcinoma.

Keywords: Antitumor effect, 3-Bromopyruvic acid, hepatoma BEL-7402 cells, Hexokinase II.

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