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Monday, August 3, 2020 | History

2 edition of Investigation of the molecular mechanisms of cytotoxicity of indium-111 labeled human epidermal growth factor. found in the catalog.

Investigation of the molecular mechanisms of cytotoxicity of indium-111 labeled human epidermal growth factor.

Kristy E. Bailey

Investigation of the molecular mechanisms of cytotoxicity of indium-111 labeled human epidermal growth factor.

by Kristy E. Bailey

  • 352 Want to read
  • 17 Currently reading

Published .
Written in English


About the Edition

A radiopharmaceutical agent, 111Indium-labeled human epidermal growth factor (111In-DTPA-hEGF) has been developed for the treatment of breast cancer. 111In emits short range, densely ionizing Auger electrons that exert radiotoxic effects only when internalized into cells. It was shown that 111In-DTPA-hEGF causes epidermal growth factor receptor (EGFR) autophosphorylation and activation of downstream proteins that signal for proliferation. In this thesis, the effect of combining 111In-DTPA-hEGF with the EGFR-tyrosine kinase inhibitor (EGFR-TKI) gefitinib ("Iressa," ZD1839), and the role of the bystander effect in 111In-DTPA-hEGF-mediated cytotoxicity is described. 111In-DTPA-hEGF-associated EGFR signaling is abolished by the addition of the tyrosine kinase inhibitor gefitinib. Gefitinib also enhances the nuclear translocation of 111 In-DTPA-hEGF and potentiates 111In-DTPA-hEGF cytotoxicity and DNA damage. 111In-DTPA-hEGF was found to induce the bystander effect. These results suggest a therapeutic role for peptide receptor radionuclide therapy in combination with tyrosine kinase inhibitors and also suggest the bystander effect contributes to 111In-DTPA-hEGF-mediated cytotoxicity.

The Physical Object
Pagination130 leaves.
Number of Pages130
ID Numbers
Open LibraryOL19551723M
ISBN 109780494212592


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Investigation of the molecular mechanisms of cytotoxicity of indium-111 labeled human epidermal growth factor by Kristy E. Bailey Download PDF EPUB FB2