Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells

Inhibition of the DNA repair enzyme poly(ADP-ribose) polymerase 1 (PARP1) with small molecules has been shown to be an effective treatment for ovarian cancer with BRCA mutations. Here, we report the in vivo administration of siRNA to Parp1 in mouse models of ovarian cancer. A unique member of the li...

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Main Authors: Goldberg, Michael Solomon, Xing, Deyin, Ren, Yin, Orsulic, Sandra, Sharp, Phillip A., Bhatia, Sangeeta N
Other Authors: Whitaker College of Health Sciences and Technology
Format: Article
Language:en_US
Published: National Academy of Sciences (U.S.) 2011
Online Access:http://hdl.handle.net/1721.1/65350
https://orcid.org/0000-0003-1465-1691
https://orcid.org/0000-0002-1293-2097
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author Goldberg, Michael Solomon
Xing, Deyin
Ren, Yin
Orsulic, Sandra
Sharp, Phillip A.
Bhatia, Sangeeta N
author2 Whitaker College of Health Sciences and Technology
author_facet Whitaker College of Health Sciences and Technology
Goldberg, Michael Solomon
Xing, Deyin
Ren, Yin
Orsulic, Sandra
Sharp, Phillip A.
Bhatia, Sangeeta N
author_sort Goldberg, Michael Solomon
collection MIT
description Inhibition of the DNA repair enzyme poly(ADP-ribose) polymerase 1 (PARP1) with small molecules has been shown to be an effective treatment for ovarian cancer with BRCA mutations. Here, we report the in vivo administration of siRNA to Parp1 in mouse models of ovarian cancer. A unique member of the lipid-like materials known as lipidoids is shown to deliver siRNA to disseminated murine ovarian carcinoma allograft tumors following intraperitoneal (i.p.) injection. siParp1 inhibits cell growth, primarily by induction of apoptosis, in Brca1-deficient cells both in vitro and in vivo. Additionally, the treatment extends the survival of mice bearing tumors derived from Brca1-deficient ovarian cancer cells but not from Brca1 wild-type cells, confirming the proposed mechanism of synthetic lethality. Because there are 17 members of the Parp family, the inherent complementarity of RNA affords a high level of specificity for therapeutically addressing Parp1 in the context of impaired homologous recombination.
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spelling mit-1721.1/653502022-09-29T22:14:09Z Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells Goldberg, Michael Solomon Xing, Deyin Ren, Yin Orsulic, Sandra Sharp, Phillip A. Bhatia, Sangeeta N Whitaker College of Health Sciences and Technology Harvard University--MIT Division of Health Sciences and Technology Massachusetts Institute of Technology. Department of Biology Koch Institute for Integrative Cancer Research at MIT Sharp, Phillip A. Sharp, Phillip A. Goldberg, Michael Solomon Xing, Deyin Ren, Yin Bhatia, Sangeeta N. Inhibition of the DNA repair enzyme poly(ADP-ribose) polymerase 1 (PARP1) with small molecules has been shown to be an effective treatment for ovarian cancer with BRCA mutations. Here, we report the in vivo administration of siRNA to Parp1 in mouse models of ovarian cancer. A unique member of the lipid-like materials known as lipidoids is shown to deliver siRNA to disseminated murine ovarian carcinoma allograft tumors following intraperitoneal (i.p.) injection. siParp1 inhibits cell growth, primarily by induction of apoptosis, in Brca1-deficient cells both in vitro and in vivo. Additionally, the treatment extends the survival of mice bearing tumors derived from Brca1-deficient ovarian cancer cells but not from Brca1 wild-type cells, confirming the proposed mechanism of synthetic lethality. Because there are 17 members of the Parp family, the inherent complementarity of RNA affords a high level of specificity for therapeutically addressing Parp1 in the context of impaired homologous recombination. MIT-Harvard Center for Cancer Nanotechnology Excellence (Grant U54-CA119349) National Cancer Institute (U.S.) Marie D. and Pierre Casimir-Lambert Fund National Cancer Institute (U.S.) (Cancer Center Support (core) Grant P30-CA14051) 2011-08-23T15:01:51Z 2011-08-23T15:01:51Z 2011-01 2010-10 Article http://purl.org/eprint/type/JournalArticle 1091-6490 http://hdl.handle.net/1721.1/65350 Goldberg, M. S. et al. “Nanoparticle-mediated Delivery of siRNA Targeting Parp1 Extends Survival of Mice Bearing Tumors Derived from Brca1-deficient Ovarian Cancer Cells.” Proceedings of the National Academy of Sciences 108.2 (2010) : 745-750. ©2011 by the National Academy of Sciences. https://orcid.org/0000-0003-1465-1691 https://orcid.org/0000-0002-1293-2097 en_US http://dx.doi.org/10.1073/pnas.1016538108 Proceedings of the National Academy of Sciences of the United States of America Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf National Academy of Sciences (U.S.) PNAS
spellingShingle Goldberg, Michael Solomon
Xing, Deyin
Ren, Yin
Orsulic, Sandra
Sharp, Phillip A.
Bhatia, Sangeeta N
Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title_full Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title_fullStr Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title_full_unstemmed Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title_short Nanoparticle-mediated delivery of siRNA targeting Parp1 extends survival bearing tumors derived from Brca1-deficient ovarian cancer cells
title_sort nanoparticle mediated delivery of sirna targeting parp1 extends survival bearing tumors derived from brca1 deficient ovarian cancer cells
url http://hdl.handle.net/1721.1/65350
https://orcid.org/0000-0003-1465-1691
https://orcid.org/0000-0002-1293-2097
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