Abstract
The fluorine atom provides an exciting tool for diverse spectroscopic and imaging applications using Magnetic Resonance. The organic chemistry of fluorine is widely established and it can provide a stable moiety for interrogating many aspects of physiology and pharmacology in vivo. Strong NMR signal, minimal background signal and exquisite sensitivity to changes in the microenvironment have been exploited to design and apply diverse reporter molecules. Classes of agents are presented to investigate gene activity, pH, metal ion concentrations (e.g., Ca2+, Mg2+, Na+), oxygen tension, hypoxia, vascular flow and vascular volume. In addition to interrogating speciality reporter molecules, 19F NMR may be used to trace the fate of fluorinated drugs, such as chemotherapeutics (e.g., 5-fluorouracil, gemcitabine), anesthetics (e.g., isoflurane, methoxyflurane) and neuroleptics. NMR can provide useful information through multiple parameters, including chemical shift, scalar coupling, chemical exchange and relaxation processes (R1 and R2). Indeed, the large chemical shift range (∼ 300 ppm) can allow multiple agents to be examined, simultaneously, using NMR spectroscopy or chemical shift selective imaging.
Keywords: oxygen, ph, gene reporter, metal ions, 5fu, fdg, anesthetics
Current Medicinal Chemistry
Title: 19F: A Versatile Reporter for Non-Invasive Physiology and Pharmacology Using Magnetic Resonance
Volume: 12 Issue: 7
Author(s): Jian-xin Yu, Vikram D. Kodibagkar, Weina Cui and Ralph P. Mason
Affiliation:
Keywords: oxygen, ph, gene reporter, metal ions, 5fu, fdg, anesthetics
Abstract: The fluorine atom provides an exciting tool for diverse spectroscopic and imaging applications using Magnetic Resonance. The organic chemistry of fluorine is widely established and it can provide a stable moiety for interrogating many aspects of physiology and pharmacology in vivo. Strong NMR signal, minimal background signal and exquisite sensitivity to changes in the microenvironment have been exploited to design and apply diverse reporter molecules. Classes of agents are presented to investigate gene activity, pH, metal ion concentrations (e.g., Ca2+, Mg2+, Na+), oxygen tension, hypoxia, vascular flow and vascular volume. In addition to interrogating speciality reporter molecules, 19F NMR may be used to trace the fate of fluorinated drugs, such as chemotherapeutics (e.g., 5-fluorouracil, gemcitabine), anesthetics (e.g., isoflurane, methoxyflurane) and neuroleptics. NMR can provide useful information through multiple parameters, including chemical shift, scalar coupling, chemical exchange and relaxation processes (R1 and R2). Indeed, the large chemical shift range (∼ 300 ppm) can allow multiple agents to be examined, simultaneously, using NMR spectroscopy or chemical shift selective imaging.
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Cite this article as:
Yu Jian-xin, Kodibagkar D. Vikram, Cui Weina and Mason P. Ralph, 19F: A Versatile Reporter for Non-Invasive Physiology and Pharmacology Using Magnetic Resonance, Current Medicinal Chemistry 2005; 12 (7) . https://dx.doi.org/10.2174/0929867053507342
DOI https://dx.doi.org/10.2174/0929867053507342 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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