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Suicide gene therapy using reducible poly (oligo-D-arginine) for the treatment of spinal cord tumors

Title
Suicide gene therapy using reducible poly (oligo-D-arginine) for the treatment of spinal cord tumors
Author
이민형
Keywords
Suicide gene therapy; Cancer gene therapy; Reducible polymer; Spinal cord tumor
Issue Date
2011-12
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Biomaterials, 2011, 32(36), P.9766-9775
Abstract
Suicide gene therapy based on a combination of herpes simplex virus-thymidine kinase (HSV-tk) and ganciclovir (GCV) has obstacles to achieving a success in clinical use for the treatment of cancer due to inadequate thymidine kinase (TK) expression. The primary concern for improving anticancer efficacy of the suicide gene therapy is to develop an appropriate carrier that highly expresses TK in vivo. Despite great advances in the development of non-viral vectors, none has been used in cancer suicide gene therapy, not even in experimental challenge. Reducible poly (oligo-d-arginine) (rPOA), one of the effective non-viral carriers working in vivo, was chosen to deliver HSV-tk to spinal cord tumors which are appropriate targets for suicide gene therapy. Since the system exerts toxicity only in dividing cells, cells in the central nervous system, which are non-proliferative, are not sensitive to the toxic metabolites. In the present study, we demonstrated that the locomotor function of the model rat was maintained through the tumor suppression resulting from the tumor-selective suicide activity by co-administration of rPOA/HSV-tk and GCV. Thus, rPOA plays a crucial role in suicide gene therapy for cancer, and an rPOA/HSV-tk and GCV system could help promote in vivo trials of suicide gene therapy.
URI
https://www.sciencedirect.com/science/article/pii/S0142961211010374?via%3Dihubhttp://hdl.handle.net/20.500.11754/66800
ISSN
0142-9612
DOI
10.1016/j.biomaterials.2011.08.089
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > BIOENGINEERING(생명공학과) > Articles
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