Antiangiogenic therapy with human apolipoprotein(a) kringle V and paclitaxel in a human ovarian cancer mouse model

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Title
Antiangiogenic therapy with human apolipoprotein(a) kringle V and paclitaxel in a human ovarian cancer mouse model
Author(s)
H K Yu; H J Lee; S J Yun; S J Lee; R R Langley; Y Yoon; L S H Yi; D S Bae; Jang Seong Kim; S J Kim
Bibliographic Citation
Translational Oncology, vol. 7, no. 3, pp. 368-376
Publication Year
2014
Abstract
INTRODUCTION: The present study compared the effect of combination therapy using human apolipoprotein(a) kringle V (rhLK8) to conventional chemotherapy with paclitaxel for human ovarian carcinoma producing high or low levels of vascular endothelial growth factor (VEGF). MATERIALS AND METHODS: Human ovarian carcinoma cells producing high (SKOV3ip1) or low (HeyA8) levels of VEGF were implanted into the peritoneal cavity of female nude mice. Seven days later,mice were randomized into four groups: control (vehicle), paclitaxel [5mg/kg,weekly intraperitoneal (i.p.) injection], rhLK8 (50 mg/kg, daily i.p. injection), or the combination of paclitaxel and rhLK8. Mice were treated for 4 weeks and examined by necropsy. RESULTS: In mice implanted with SKOV3ip1 cells, rhLK8 treatment had no significant effect on tumor incidence or the volume of ascites but induced a significant decrease in tumorweight comparedwith control mice. Paclitaxel significantly reduced tumor weight and ascites volume, and combination treatment with paclitaxel and rhLK8 had an additive therapeutic effect. Similarly, in HeyA8 mice, the effect of combination treatment on tumor weight and tumor incidence was statistically significantly greater than that of paclitaxel or rhLK8 alone. Immunohistochemical analysis showed a significant decrease in microvessel density and a marked increase of apoptosis in tumor and tumorassociated endothelial cells in response to combination treatment with paclitaxel and rhLK8. CONCLUSION: Collectively,
ISSN
1936-5233
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.tranon.2014.04.005
Type
Article
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1. Journal Articles > Journal Articles
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