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Published in: Investigational New Drugs 5/2020

01-10-2020 | Pancreatic Cancer | PRECLINICAL STUDIES

Combination of a novel microtubule inhibitor MBRI-001 and gemcitabine synergistically induces cell apoptosis by increasing DNA damage in pancreatic cancer cell lines

Authors: Yuqian Liu, Ruochen Zang, Feifei Li, Chuanqin Shi, Jianchun Zhao, Lili Zhong, Xin Wang, Jinbo Yang, Wenbao Li

Published in: Investigational New Drugs | Issue 5/2020

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Summary

Pancreatic cancer (PC) is a highly malignant cancer with poor prognosis. Although gemcitabine (GEM; 2′,2′-difluoro-deoxycytidine) has been used as the first-line chemotherapeutic agent in PC treatment for decades, its limited efficacy remains a significant clinical issue, which may be resolved by GEM combination therapy. In this study, we aimed to investigate the anti-tumor effects of MBRI-001 in combination with GEM in BxPC-3 and MIA PaCa-2 human PC cell lines. In vitro and in vivo results indicate that MBRI-001 showed synergistic activity with GEM. GEM induced apoptosis by increasing DNA damage (phosphorylated core histone protein H2AX (γ-H2AX)), MBRI-001 activated mitochondrial-apoptotic pathway (cleaved poly-ADP ribose polymerase (PARP)). Thus, the combination of the two intensified both apoptosis and DNA damage and showed significantly superior anti-tumor activity compared to each agent alone. The adoption of combination of MBRI-001 with GEM may be beneficial as they act synergistically and thus, can be a potential therapeutic choice for improving the prognosis of PC patients in the future.
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Metadata
Title
Combination of a novel microtubule inhibitor MBRI-001 and gemcitabine synergistically induces cell apoptosis by increasing DNA damage in pancreatic cancer cell lines
Authors
Yuqian Liu
Ruochen Zang
Feifei Li
Chuanqin Shi
Jianchun Zhao
Lili Zhong
Xin Wang
Jinbo Yang
Wenbao Li
Publication date
01-10-2020
Publisher
Springer US
Published in
Investigational New Drugs / Issue 5/2020
Print ISSN: 0167-6997
Electronic ISSN: 1573-0646
DOI
https://doi.org/10.1007/s10637-019-00874-5

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