Korean J Anat.
1999 Feb;32(1):105-116.
Fluorescent Study on the Tissue-Distribution of Acriflavine-Guanosine Compound (AG60)
- Affiliations
-
- 1Department of Anatomy, College of Medicine, Soonchunhyang University, Chunan, Korea.
- 2College of Pharmacy, Ducksung Women's University, Seoul, Korea.
- 3Department of General Surgery, Kon-Kuk University, Seoul, Korea.
- 4Department of Laboratory Animal Medicine, College of Veterinary Medicine, Chung-Buk National University, Cheongju, Korea.
- 5Tae-Rim Institute of Life Sciences, Seoul, Korea.
Abstract
- The study was carried out to evaluate the tissue-distribution of acriflavine or AG60 (acriflavine-guanosine compound, 1 : 1), the newly developed anticancer remedy. Successful access or distribution of a drug to specific tissue is important to attack the cancer cells in the same area. But it also means that the drug may disturb the activities of labelled tissues or cells. On the other hand, unlabelled elements may survive from massive treatment with the drug. In this study, distribution of acriflavine or AG60 in Yac-1 leukemic cells (0.25~25 microgram/ml) and in the tissues of rats or mice (5~50 mg/kg) were evaluated. Yac-1 cells showed prominent fluorescence on the heterochromatin and more or less prominent fluorescence on the nucleoplasm, cytoplasm and plasma membrane. Cytotoxicity of AG60 led to morphologic changes such as bleb- or baloon-formation on the surface, general swelling of the cell, and lysis of the cell. Following the subcutaneous administration of acriflavine or AG60 (5~50 mg/kg) to the Ehrlich carcinoma-inoculat-ed rats or mice, most tissues including cancer cells showed acriflavine-fluorescence with some exception. The nuclei of cells of tissues were labelled more strongly than those of cytoplasm. Fluorescence was especially strong over biliary tree, renal corpuscle, gastrointestinal mucous coat, and bronchial mucous coat. But parenchymal components of central nervous system did not show any fluorescence. As shown in Yac-1 cells treated with AG60, the drug strongly attached to nucleic acids, and it induced swelling and disintegration of cancer cells. Fast turn-over of AG60 was seen in the secretory passages of bile juice, urine, gastrointestinal mucin, and bronchial mucin. The results show that AG60 could reach most tissues except parenchymes of central nervous system.
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