Comparative nephrotoxicity of cisplatin and new octahedral Pt(IV) complexes
- Authors
- Kim, Won Kyu; Kwon, Young Ee
- Issue Date
- Jul-2007
- Publisher
- SPRINGER
- Keywords
- cisplatin; octahedral Pt(IV) complex; K101; K102; nephrotoxicity; ultrastructure; acid phophatase activity
- Citation
- CANCER CHEMOTHERAPY AND PHARMACOLOGY, v.60, no.2, pp.237 - 243
- Indexed
- SCIE
SCOPUS
- Journal Title
- CANCER CHEMOTHERAPY AND PHARMACOLOGY
- Volume
- 60
- Number
- 2
- Start Page
- 237
- End Page
- 243
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179897
- DOI
- 10.1007/s00280-006-0366-7
- ISSN
- 0344-5704
- Abstract
- Purpose Previously, we have reported that the newly synthesized octahedral Pt(IV) compound, trans,cis-Pt(acetato)(2)Cl-2(1,4-butanediamine), K101 and trans,cis-Pt(trifluoroacetato)(2)Cl-2(1,4-butanediamine), K102 showed potent antitumor activities in vitro and in vivo. In order to compare the nephrotoxicity of the newly synthesized Pt(IV) complexes, K102 and K102 with cisplatin, we performed various tests. Materials and methods We performed a single dose acute toxicity test for LD50 values determination, biochemical assays in blood serum, acid phosphatase enzyme histochemistry and transmission electron microscopic studies in renal proximal tubular cells in mice in vivo. The route of drugs administration is intraperitoneal injection. Results In biochemical assays, the serum levels of BUN were significantly elevated at 6 h (p < 0.001), 1 day (p < 0.05) and 3 days (p < 0.001) after injection in cisplatin treated mice (6 mg/kg, single dose, i.p.). On the other hand, the serum levels of BUN were slightly elevated at 6 h (p < 0.01) only in K101 treated mice (8.2 mg/kg, single dose, i.p.), and were significantly raised at 6 h, 1 and 3 days (p < 0.05) after injection in K102 treated mice (6.2 mg/kg, single dose, i.p.). The higher serum BUN level in K102 treated mice is considered that K102 possesses more lipophilic fluoro group than acetyl group in K101. The values of creatinine and uric acid were similar in all groups. The ultrastructural morphological changes of K101- or K102-administrated mice were less remarkable than cisplatin-administrated mice. In acid phosphatase enzyme histochemistry, cisplatin treatment induced relevant changes in the distribution pattern of enzyme activity compared with K101 or K102 treatment at 7 days after injection. Conclusions In conclusion, these results show that K101 is less nephrotoxic than cisplatin and a promising new platinum complex.
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