Inhibitory effect of angiogenesis inhibitor TNP-470 on human ACHN renal cell carcinoma.
- Author:
Jin ZENG
1
;
Wei MEI
;
Haipeng HUANG
;
Xiaodong LI
;
Peng KONG
Author Information
1. Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Technology and Science, Wuhan 430030.
- Publication Type:Journal Article
- MeSH:
Angiogenesis Inhibitors;
pharmacology;
Animals;
Apoptosis;
drug effects;
Carcinoma, Renal Cell;
drug therapy;
pathology;
secondary;
Cell Division;
Cyclohexanes;
Female;
Kidney Neoplasms;
drug therapy;
pathology;
Mice;
Mice, Inbred BALB C;
Mice, Nude;
Neoplasm Transplantation;
Neovascularization, Pathologic;
prevention & control;
Random Allocation;
Sesquiterpenes;
pharmacology
- From:
Journal of Huazhong University of Science and Technology (Medical Sciences)
2002;22(4):331-333
- CountryChina
- Language:English
-
Abstract:
The contribution of angiogenesis inhibitor TNP-470 to the growth and metastasis of ACHN renal cell carcinoma (RCC) was studied. TNP-470 (40 mg/kg, every two days) was administrated to BABL/c nude mice bearing ACHN RCC. The mice were sacrificed after a treatment duration of 31 days and the weight and volume of subcutaneous tumors as well as foci of lung metastasis were measured. The microvascular density (MVD) of the tumor as well as the PCNA index and apoptotic index of the tumor cells were evaluated immunohistochemically. Result showed that the growth of ACHN RCC was suppressed significantly and none metastasis was observed in TNP-470-treated mice. Compared with the control group, the MVD was decreased markedly (P < 0.01) and the apoptotic index was increased significantly (P < 0.01) in the treated group. The tumor volume was positively correlated to the MVD (r = 0.7144, P < 0.01) and inversely correlated to the apoptotic index (r = -0.8607, P < 0.01), and MVD was conversely correlated to the apoptotic index. It was determined that TNP-470 could effectively inhibit angiogenesis of ACHN RCC, which resulting in ischemia and hypoxia, leading to increased apoptosis, thus obviously suppressing the growth and metastasis of ACHN RCC in nude mice.
