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J Korean Cancer Assoc > Volume 31(5); 1999 > Article
Journal of the Korean Cancer Association 1999;31(5): 931-938.
In Vitro Chemosensitivity Test for the Evaluation of Efficiency of Hyperthermia in Gastrointestinal Cancer Cell Lines
Jeong Hwan Yook, Byeong Yul Ahn, Geum Hee Koo, Hun Seo, Choon Sik Jeong, Sung Tae Oh, Byung Sik Kim, Kun Chun Park, Jin Cheon Kim
1Department of Surgery, College of Medicine, University of Ulsan, Korea.
2Asan Institute for Life Sciences, Seoul, Korea.
This study was designed to establish the experimental background of intra- peritoneal hyperthermo-chemotherapy in gastrointestinal cancer.
We established stomach cancer cell lines; KATO-III, MKN45, AMC1 and colon cancer cell lines; AMC5, AMC6, CloneA, CCL188, C106, KM-12C. We performed chemosensitivity test by using MTT assay and calculated ICso of each chemotherapeutic agent. We confirmed antitumor effect of hyperthermia at 40C and 43C and antitumor synergistic effect with each chemotherapeutic agent at 40C and 43C.
The ICso was calculated in 7 (78%) of 9 cell lines for 5-FU, 6 (67%) for MMC, 5 (56%) for ADM, 1 (11%) for CDDP and VP-16. Antitumor effect of hyperthermia at 40C was not found, but, that at 43C was found except KATO-III and AMC6. In stomach cancer cell lines, antitumor synergistic effect of hyperthermia with anticancer drugs at 43C was found in VP-16 for MKN45 and KATO-III and in all of 5 drugs for AMC1. In colon cancer cell lines, this effect at 43C was found in all of 5 drugs for CCL188, in S-FU, CDDP, ADM for AMC5, in 5-FU, MMC, ADM, VP-16 for CloneA, KM-12C, and in 5-FU, CDDP, MMC, ADM for C106.
Hyperthermia itself had antitumor effect at 43C. Hyperthermo-chemotherapy had antitumor synergistic effect, especially at 43C.
Key words: Chemosensitivity;Hyperthermia;Synergistic effect
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