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Delivery of sodium morrhuate to hemangioma endothelial cells using immunoliposomes conjugated with anti-VEGFR2/KDR antibody

Authors Li XL, Ren XY, Liang JM, Ma WJ, Wang ZH, Yang ZQ

Received 15 June 2017

Accepted for publication 25 August 2017

Published 19 September 2017 Volume 2017:12 Pages 6963—6972


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Linlin Sun

Xiaoli Li,1 Xiaoyong Ren,2 Jianmin Liang,2 Weijun Ma,2 Zhenghui Wang,2 Zhuangqun Yang3

1Department of Dermatology, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China; 2Department of Otolaryngology-Head and Neck Surgery, The Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China; 3Department of Plastic and Burns Surgery, The First Affiliated Hospital, Xi’an Jiaotong University, Xi’an, People’s Republic of China

Abstract: Hemangioma is a common benign tumor affecting infants. In this study, we prepared sodium morrhuate immunoliposomes through encapsulation of sodium morrhuate with liposomes coupled with an anti-VEGFR2/KDR antibody and examined its effect on the biology of human hemangioma endothelial cells (HECs). It was found that compared to the liposomal sodium morrhuate group, treatment with sodium morrhuate immunoliposomes facilitated cell detachment and apoptotic death. Confocal microscopy analysis revealed that sodium morrhuate immunoliposomes had a higher binding activity to HECs than liposomal sodium morrhuate. Apoptosis analysis further demonstrated that treatment with liposomal sodium morrhuate or sodium morrhuate immunoliposomes significantly induced apoptosis in HECs, compared to the control group. Western blot analysis revealed an induction of caspase-3 and caspase-9 levels and reduction of caspase-8 and Bcl-2 levels in HECs treated with liposomal sodium morrhuate or sodium morrhuate immunoliposomes. Taken together, these results indicate that sodium morrhuate immunoliposomes have an increased capacity to target HECs and promote mitochondrial apoptosis. Therefore, sodium morrhuate immunoliposomes may represent a promising agent in the treatment of hemangiomas.

Keywords: liposome, hemangioma, VEGF2, KDR, apoptosis

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