The effect of near-infrared fluorescence conjugation on the anti-cancer potential of cetuximab

被引:1
作者
Yun J.Y. [1 ,2 ]
Hyun B.-H. [2 ]
Nam S.Y. [1 ]
Yun Y.W. [1 ]
Lee H.-J. [3 ]
Lee B.-J. [1 ]
机构
[1] College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju
[2] Laboratory Animal Center, Osong Medical Innovation Foundation, Cheongju
[3] College of Veterinary Medicine and Institute of Animal Medicine, Gyeongsang National University, 501 Jinjudae-ro, Jinju
关键词
A431; cells; Anti-cancer; Cetuximab-NIRF; near-infrared fluorescence;
D O I
10.5625/lar.2018.34.1.30
中图分类号
学科分类号
摘要
This study investigated the anti-cancer potential of a near-infrared fluorescence (NIRF) molecule conjugated with Cetuximab (Cetuximab-NIRF) in six-week-old female BALB/c athymic (nu+/nu+) nude mice. A431 cells were cultured and injected into the animals to induce solid tumors. Paclitaxel (30 mg/kg body weight (BW)), Cetuximab (1 mg/kg BW), and Cetuximab-NIRF (0.25, 0.5 and 1.0 mg/kg BW) were intraperitoneally injected twice a week into the A431 cell xenografts of the nude mice. Changes in BW, tumor volume and weight, fat and lean mass, and diameter of the peri-tumoral blood vessel were determined after two weeks. Tumor volumes and weights were significantly decreased in the Cetuximab-NIRF (1 mg/kg BW) group compared with the control group (P<0.001). Lean mass and total body water content were also conspicuously reduced in the Cetuximab-NIRF (1 mg/kg BW) group compared with the vehicle control group. Peri-tumoral blood vessel diameters were very thin in the Cetuximab-NIRF groups compared with those of the paclitaxel group. These results indicate that the conjugation of Cetuximab with NIRF does not affect the anti-cancer potential of Cetuximab and NIRF can be used for molecular imaging in cancer treatments. © 2018, The Author(s).
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页码:30 / 36
页数:6
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