Abstract
The use of adult stem cells as gene delivery vehicles is a novel and attractive strategy for cancer therapy. Mesenchymal stem cells (MSCs) provide a promising source for stem cell-based gene therapies. Interleukin-24 (IL24) has been suggested as an effective anticancer agent. However, a lack of tumor-targeted delivery and a host immune response to viral vehicles has hindered its application for cancer therapy. In this study, we evaluated the effects of IL24 delivered by MSCs as a therapeutic approach for lung cancer. We engineered human umbilical cord-derived MSCs (UC-MSCs) to efficiently deliver secretable IL24. We observed that IL24-transduced UC-MSCs (IL24-MSCs) inhibited the growth of A549 lung cancer cells by induction of apoptosis and cell cycle arrest. The IL24 proteins secreted by IL24-MSCs were involved in regulating the ERK-1/2, AKT and JNK signaling pathways. Additionally, MSCs-mediated IL24 expression led to an increase in the cleavage of caspases-3/8/9 and PARP, the Bax/Bcl-2 ratio, as well as the p21 expression in A549 cells. We also demonstrated that injection of IL24-MSCs significantly suppressed xenograft tumor growth. Moreover, the IL24-MSCs had anti-angiogenic effects both in vitro and in vivo. Taken together, our findings indicate that IL24 delivered by human UC-MSCs has the potential to be used as an alternative strategy for lung cancer therapy.
Keywords: Cancer therapy, interleukin-24, mesenchymal stem cells, targeted delivery
Current Cancer Drug Targets
Title:Experimental Therapy for Lung Cancer: Umbilical Cord-Derived Mesenchymal Stem Cell-Mediated Interleukin-24 Delivery
Volume: 13 Issue: 1
Author(s): Xu Zhang, Leilei Zhang, Wenrong Xu, Hui Qian, Shengqin Ye, Wei Zhu, Hongcui Cao, Yongmin Yan, Wei Li, Mei Wang, Wei Wang and Ruiwen Zhang
Affiliation:
Keywords: Cancer therapy, interleukin-24, mesenchymal stem cells, targeted delivery
Abstract: The use of adult stem cells as gene delivery vehicles is a novel and attractive strategy for cancer therapy. Mesenchymal stem cells (MSCs) provide a promising source for stem cell-based gene therapies. Interleukin-24 (IL24) has been suggested as an effective anticancer agent. However, a lack of tumor-targeted delivery and a host immune response to viral vehicles has hindered its application for cancer therapy. In this study, we evaluated the effects of IL24 delivered by MSCs as a therapeutic approach for lung cancer. We engineered human umbilical cord-derived MSCs (UC-MSCs) to efficiently deliver secretable IL24. We observed that IL24-transduced UC-MSCs (IL24-MSCs) inhibited the growth of A549 lung cancer cells by induction of apoptosis and cell cycle arrest. The IL24 proteins secreted by IL24-MSCs were involved in regulating the ERK-1/2, AKT and JNK signaling pathways. Additionally, MSCs-mediated IL24 expression led to an increase in the cleavage of caspases-3/8/9 and PARP, the Bax/Bcl-2 ratio, as well as the p21 expression in A549 cells. We also demonstrated that injection of IL24-MSCs significantly suppressed xenograft tumor growth. Moreover, the IL24-MSCs had anti-angiogenic effects both in vitro and in vivo. Taken together, our findings indicate that IL24 delivered by human UC-MSCs has the potential to be used as an alternative strategy for lung cancer therapy.
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Cite this article as:
Zhang Xu, Zhang Leilei, Xu Wenrong, Qian Hui, Ye Shengqin, Zhu Wei, Cao Hongcui, Yan Yongmin, Li Wei, Wang Mei, Wang Wei and Zhang Ruiwen, Experimental Therapy for Lung Cancer: Umbilical Cord-Derived Mesenchymal Stem Cell-Mediated Interleukin-24 Delivery, Current Cancer Drug Targets 2013; 13 (1) . https://dx.doi.org/10.2174/1568009611309010092
DOI https://dx.doi.org/10.2174/1568009611309010092 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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