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Title: Method of increasing radiation sensitivity by inhibition of beta one integrin

Abstract

A method for increasing or monitoring apoptosis in tumor cells by the co-administration of ionizing radiation and an anti-integrin antibody. Increasing apoptosis reduces tumor growth in vivo and in a cell culture model. The antibody is directed against the beta-1 integrin subunit and is inhibitory of beta-1 integrin signaling. Other molecules having an inhibitory effect on beta-1 integrin, either in signaling or in binding to its cognate extracellular receptors may also be used. The present method is particularly of interest in treatment of tumor cells associated with breast cancer, wherein radiation is currently used alone. The present method further contemplates a monoclonal antibody suitable for human administration that may further comprise a radioisotope attached thereto.

Inventors:
 [1];  [2]
  1. San Francisco, CA
  2. Berkeley, CA
Issue Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1015162
Patent Number(s):
7618627
Application Number:
11/628,476
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61K - PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61N - ELECTROTHERAPY
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE

Citation Formats

Park, Catherine, and Bissell, Mina J. Method of increasing radiation sensitivity by inhibition of beta one integrin. United States: N. p., 2009. Web.
Park, Catherine, & Bissell, Mina J. Method of increasing radiation sensitivity by inhibition of beta one integrin. United States.
Park, Catherine, and Bissell, Mina J. Tue . "Method of increasing radiation sensitivity by inhibition of beta one integrin". United States. https://www.osti.gov/servlets/purl/1015162.
@article{osti_1015162,
title = {Method of increasing radiation sensitivity by inhibition of beta one integrin},
author = {Park, Catherine and Bissell, Mina J},
abstractNote = {A method for increasing or monitoring apoptosis in tumor cells by the co-administration of ionizing radiation and an anti-integrin antibody. Increasing apoptosis reduces tumor growth in vivo and in a cell culture model. The antibody is directed against the beta-1 integrin subunit and is inhibitory of beta-1 integrin signaling. Other molecules having an inhibitory effect on beta-1 integrin, either in signaling or in binding to its cognate extracellular receptors may also be used. The present method is particularly of interest in treatment of tumor cells associated with breast cancer, wherein radiation is currently used alone. The present method further contemplates a monoclonal antibody suitable for human administration that may further comprise a radioisotope attached thereto.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {11}
}

Works referenced in this record:

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Magic bullets hit the target
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Reversion of the Malignant Phenotype of Human Breast Cells in Three-Dimensional Culture and In Vivo by Integrin Blocking Antibodies
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Ionizing radiation induces heritable disruption of epithelial cell interactions
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Rationale and clinical basis for combining gefitinib (IRESSA, ZD1839) with radiation therapy for solid tumors
journal, March 2004


Interaction with basement membrane serves to rapidly distinguish growth and differentiation pattern of normal and malignant human breast epithelial cells.
journal, October 1992


Cell Contact–dependent Activation of α3β1 Integrin Modulates Endothelial Cell Responses to Thrombospondin-1
journal, September 2000


Engineered antibodies
journal, January 2003