Immunotargeting of collagenase on thrombus

Yi-ling Lu, Ben-xia Yang, Zong-ning YinKey Laboratory of Drug Targeting and Delivery System, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, People’s Republic of ChinaAbstract: In this study, we aimed to develop a thrombus-targeting delivery system of collagenase b...

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Main Authors: Yi-ling Lu, Ben-xia Yang, Zong-ning Yin
Format: Article
Language:English
Published: Dove Medical Press 2010-11-01
Series:International Journal of Nanomedicine
Online Access:http://www.dovepress.com/immunotargeting-of-collagenase-on-thrombus-a5654
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author Yi-ling Lu
Ben-xia Yang
Zong-ning Yin
author_facet Yi-ling Lu
Ben-xia Yang
Zong-ning Yin
author_sort Yi-ling Lu
collection DOAJ
description Yi-ling Lu, Ben-xia Yang, Zong-ning YinKey Laboratory of Drug Targeting and Delivery System, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, People’s Republic of ChinaAbstract: In this study, we aimed to develop a thrombus-targeting delivery system of collagenase bound to a monoclonal antibody, and to investigate the thrombolysis of an immune-conjugate in vitro and in vivo as well as the targeting effect. We prepared the immunizing conjugation of collagenase by the 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDCI) method. In order to conjugate collagenase and a monoclonal antibody, bovine serum albumin was used as a linker, increasing the number of collagenase molecules carried and keeping collagenase and the monoclonal antibody active. In vitro thrombolysis experiments showed that collagenase had a strong dissolving effect on collagen-embolus within 24 hours. We established a rabbit pulmonary embolism model to investigate the thrombolysis effect of collagenase and collagenase immunizing conjugation in vivo. Our results revealed a significant difference between collagenase and collagenase immunizing conjugation (P < 0.05). We also established a rabbit ear edge vein model to investigate the active target of collagenase immunizing conjugation. We found that collagenase immunizing conjugation had active targets, and had a strong ability to dissolve organized thrombi. In conclusion, the thrombus-targeting delivery system of collagenase we developed has active targeting effects on thrombi.Keywords: thrombus-targeting, collagenase, monoclonal antibody
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spelling doaj.art-a0c1887061be4037ad73766f0232544d2022-12-21T23:08:48ZengDove Medical PressInternational Journal of Nanomedicine1176-91141178-20132010-11-012010default973982Immunotargeting of collagenase on thrombusYi-ling LuBen-xia YangZong-ning YinYi-ling Lu, Ben-xia Yang, Zong-ning YinKey Laboratory of Drug Targeting and Delivery System, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, People’s Republic of ChinaAbstract: In this study, we aimed to develop a thrombus-targeting delivery system of collagenase bound to a monoclonal antibody, and to investigate the thrombolysis of an immune-conjugate in vitro and in vivo as well as the targeting effect. We prepared the immunizing conjugation of collagenase by the 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDCI) method. In order to conjugate collagenase and a monoclonal antibody, bovine serum albumin was used as a linker, increasing the number of collagenase molecules carried and keeping collagenase and the monoclonal antibody active. In vitro thrombolysis experiments showed that collagenase had a strong dissolving effect on collagen-embolus within 24 hours. We established a rabbit pulmonary embolism model to investigate the thrombolysis effect of collagenase and collagenase immunizing conjugation in vivo. Our results revealed a significant difference between collagenase and collagenase immunizing conjugation (P < 0.05). We also established a rabbit ear edge vein model to investigate the active target of collagenase immunizing conjugation. We found that collagenase immunizing conjugation had active targets, and had a strong ability to dissolve organized thrombi. In conclusion, the thrombus-targeting delivery system of collagenase we developed has active targeting effects on thrombi.Keywords: thrombus-targeting, collagenase, monoclonal antibodyhttp://www.dovepress.com/immunotargeting-of-collagenase-on-thrombus-a5654
spellingShingle Yi-ling Lu
Ben-xia Yang
Zong-ning Yin
Immunotargeting of collagenase on thrombus
International Journal of Nanomedicine
title Immunotargeting of collagenase on thrombus
title_full Immunotargeting of collagenase on thrombus
title_fullStr Immunotargeting of collagenase on thrombus
title_full_unstemmed Immunotargeting of collagenase on thrombus
title_short Immunotargeting of collagenase on thrombus
title_sort immunotargeting of collagenase on thrombus
url http://www.dovepress.com/immunotargeting-of-collagenase-on-thrombus-a5654
work_keys_str_mv AT yilinglu immunotargetingofcollagenaseonthrombus
AT benxiayang immunotargetingofcollagenaseonthrombus
AT zongningyin immunotargetingofcollagenaseonthrombus