Recent Progress in the Syntheses and Biological Evaluation of Boronated Porphyrins for Boron Neutron-Capture Therapy

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)


Volume 16, 12 Issues, 2016


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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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Editor-in-Chief:
Michelle Prudhomme
Universite Blaise Pascal - C.N.R.S
Aubiere Cedex
France


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Recent Progress in the Syntheses and Biological Evaluation of Boronated Porphyrins for Boron Neutron-Capture Therapy



Anti-Cancer Agents in Medicinal Chemistry, 6(2): 145-157.

Author(s): M. W. Renner, M. Miura, M. W. Easson and M GH Vicente.

Affiliation: Medical Department, BrookhavenNational Laboratory, Upton NY 11973-5000, USA.

Abstract

Boronated porphyrins are an important class of tumor-localizing agents in two bimodal therapies for cancer currently under study experimentally and clinically; boron neutron-capture therapy (BNCT) and photodynamic therapy (PDT). The desirable properties for the boronated porphyrins are that they are easily synthesized, pure and wellcharacterized drugs, and that in vivo, they are stable, tumor-specific, with high tumor:blood and tumor:normal tissue boron concentration ratios, and cause minimal toxicity. A large number of new porphyrins and their syntheses are presented herein. The focus is primarily on porphyrins published within the past 5 years, but the implications and trends from porphyrins studied in vivo over the past 15 years are also reviewed. Many possess quite unusual, novel structures and others have appended cell-targeting moieties for greater tumor specificity. Besides the commonly used closo- and nido-ocarboranes other boron cages and modes of attachment are presented. These boron cages can selectively alter the lipophilic, hydrophilic and amphiphilic properties of the porphyrins as well as their boron content. New delivery modalities have also greatly improved the targeting potential of compounds previously deemed unsuitable for applications in BNCT.

Keywords:

Boron neutron-capture therapy, BNCT, photodynamic therapy, PDT, porphyrin, carborane.



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Article Details

Volume: 6
Issue Number: 2
First Page: 145
Last Page: 157
Page Count: 13
DOI: 10.2174/187152006776119135
Price: $58
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