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Self-targeting of TNF-releasing cancer cells in preclinical models of primary and metastatic tumors.

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Title: Self-targeting of TNF-releasing cancer cells in preclinical models of primary and metastatic tumors.
Authors: Dondossola, Eleonora1, Dobroff, Andrey S.2,3, Marchiò, Serena2,3,4, Cardó-Vila, Marina2,3, Hosoya, Hitomi5,6, Libutti, Steven K.7, Corti, Angelo8, Sidman, Richard L.9 richard_sidman@hms.harvard.edu, Arap, Wadih2,10 warap@salud.unm.edu, Pasqualini, Renata2,3 rpasqual@salud.unm.edu
Source: Proceedings of the National Academy of Sciences of the United States of America. 2/23/2016, Vol. 113 Issue 8, p2223-2228. 6p.
Subjects: Tumor necrosis factors, Cancer cells, Adenocarcinoma, Melanoma, Lung cancer
Abstract: culating cancer cells can putatively colonize distant organs to form metastases or to reinfiltrate primary tumors themselves through a process termed "tumor self-seeding." Here we exploit this biological attribute to deliver tumor necrosis factor alpha (TNF), a potent antitumor cytokine, directly to primary and metastatic tumors in a mechanism that we have defined as "tumor self-targeting." For this purpose, we genetically engineered mouse mammary adenocarcinoma (TSA), melanoma (B16-F10), and Lewis lung carcinoma cells to produce and release murine TNF. In a series of intervention trials, systemic administration of TNF-expressing tumor cells was associated with reduced growth of both primary tumors and metastatic colonies in immunocompetent mice. We show that these malignant cells home to tumors, locally release TNF, damage neovascular endothelium, and induce massive cancer cell apoptosis. We also demonstrate that such tumor-cell-mediated delivery avoids or minimizes common side effects often associated with TNF-based therapy, such as acute inflammation and weight loss. Our study provides proof of concept that genetically modified circulating tumor cells may serve as targeted vectors to deliver anticancer agents. In a clinical context, this unique paradigm represents a personalized approach to be translated into applications potentially using patient-derived circulating tumor cells as self-targeted vectors for drug delivery. [ABSTRACT FROM AUTHOR]
Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Self-targeting of TNF-releasing cancer cells in preclinical models of primary and metastatic tumors.
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  Data: <searchLink fieldCode="AR" term="%22Dondossola%2C+Eleonora%22">Dondossola, Eleonora</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Dobroff%2C+Andrey+S%2E%22">Dobroff, Andrey S.</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Marchiò%2C+Serena%22">Marchiò, Serena</searchLink><relatesTo>2,3,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Cardó-Vila%2C+Marina%22">Cardó-Vila, Marina</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Hosoya%2C+Hitomi%22">Hosoya, Hitomi</searchLink><relatesTo>5,6</relatesTo><br /><searchLink fieldCode="AR" term="%22Libutti%2C+Steven+K%2E%22">Libutti, Steven K.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Corti%2C+Angelo%22">Corti, Angelo</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Sidman%2C+Richard+L%2E%22">Sidman, Richard L.</searchLink><relatesTo>9</relatesTo><i> richard_sidman@hms.harvard.edu</i><br /><searchLink fieldCode="AR" term="%22Arap%2C+Wadih%22">Arap, Wadih</searchLink><relatesTo>2,10</relatesTo><i> warap@salud.unm.edu</i><br /><searchLink fieldCode="AR" term="%22Pasqualini%2C+Renata%22">Pasqualini, Renata</searchLink><relatesTo>2,3</relatesTo><i> rpasqual@salud.unm.edu</i>
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  Data: <searchLink fieldCode="DE" term="%22Tumor+necrosis+factors%22">Tumor necrosis factors</searchLink><br /><searchLink fieldCode="DE" term="%22Cancer+cells%22">Cancer cells</searchLink><br /><searchLink fieldCode="DE" term="%22Adenocarcinoma%22">Adenocarcinoma</searchLink><br /><searchLink fieldCode="DE" term="%22Melanoma%22">Melanoma</searchLink><br /><searchLink fieldCode="DE" term="%22Lung+cancer%22">Lung cancer</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: culating cancer cells can putatively colonize distant organs to form metastases or to reinfiltrate primary tumors themselves through a process termed "tumor self-seeding." Here we exploit this biological attribute to deliver tumor necrosis factor alpha (TNF), a potent antitumor cytokine, directly to primary and metastatic tumors in a mechanism that we have defined as "tumor self-targeting." For this purpose, we genetically engineered mouse mammary adenocarcinoma (TSA), melanoma (B16-F10), and Lewis lung carcinoma cells to produce and release murine TNF. In a series of intervention trials, systemic administration of TNF-expressing tumor cells was associated with reduced growth of both primary tumors and metastatic colonies in immunocompetent mice. We show that these malignant cells home to tumors, locally release TNF, damage neovascular endothelium, and induce massive cancer cell apoptosis. We also demonstrate that such tumor-cell-mediated delivery avoids or minimizes common side effects often associated with TNF-based therapy, such as acute inflammation and weight loss. Our study provides proof of concept that genetically modified circulating tumor cells may serve as targeted vectors to deliver anticancer agents. In a clinical context, this unique paradigm represents a personalized approach to be translated into applications potentially using patient-derived circulating tumor cells as self-targeted vectors for drug delivery. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1073/pnas.1525697113
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      – SubjectFull: Tumor necrosis factors
        Type: general
      – SubjectFull: Cancer cells
        Type: general
      – SubjectFull: Adenocarcinoma
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      – SubjectFull: Melanoma
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      – SubjectFull: Lung cancer
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      – TitleFull: Self-targeting of TNF-releasing cancer cells in preclinical models of primary and metastatic tumors.
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              Text: 2/23/2016
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