Abstract
Gene therapy has emerged as a promising strategy for treatment of various diseases. However, widespread implementation is hampered by difficulties in assessing the success of transfection, in particular, the spatial extent of expression in the target tissue and the longevity of expression. Thus, the development of non-invasive reporter techniques based on appropriate molecules and imaging modalities may help to assay gene expression. We now report the design, synthesis and evaluation of a novel in vivo gene transfection reporter molecule 3-O-(β-D-galactopyranosyl)-6- fluoropyridoxol (GFPOL) using fluorinated vitamin B6 as the 19F NMR sensitive aglycone. GFPOL exhibits the following strengths as an in vivo 19F NMR gene expression reporter: (a) large chemical shift response to enzyme cleavage (Δd=8.00 ppm); (b) minimal toxicity for substrate or aglycone; (c) good water solubility; (d) good blood stability; (e) pH responsiveness of aglycone.
Keywords: galactosidase, f nmr, gene reporter, pyridoxol, ph
Medicinal Chemistry
Title: Synthesis and Evaluation of a Novel Gene Reporter Molecule: Detection of b-galactosidase Activity Using 19F NMR of a Fluorinated Vitamin B6 Conjugate+
Volume: 1 Issue: 3
Author(s): Jianxin Yu, Zhenyi Ma, Yingming Li, Kenneth S. Koeneman, Li Liu and Ralph P. Mason
Affiliation:
Keywords: galactosidase, f nmr, gene reporter, pyridoxol, ph
Abstract: Gene therapy has emerged as a promising strategy for treatment of various diseases. However, widespread implementation is hampered by difficulties in assessing the success of transfection, in particular, the spatial extent of expression in the target tissue and the longevity of expression. Thus, the development of non-invasive reporter techniques based on appropriate molecules and imaging modalities may help to assay gene expression. We now report the design, synthesis and evaluation of a novel in vivo gene transfection reporter molecule 3-O-(β-D-galactopyranosyl)-6- fluoropyridoxol (GFPOL) using fluorinated vitamin B6 as the 19F NMR sensitive aglycone. GFPOL exhibits the following strengths as an in vivo 19F NMR gene expression reporter: (a) large chemical shift response to enzyme cleavage (Δd=8.00 ppm); (b) minimal toxicity for substrate or aglycone; (c) good water solubility; (d) good blood stability; (e) pH responsiveness of aglycone.
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Cite this article as:
Yu Jianxin, Ma Zhenyi, Li Yingming, Koeneman S. Kenneth, Liu Li and Mason P. Ralph, Synthesis and Evaluation of a Novel Gene Reporter Molecule: Detection of b-galactosidase Activity Using 19F NMR of a Fluorinated Vitamin B6 Conjugate+, Medicinal Chemistry 2005; 1 (3) . https://dx.doi.org/10.2174/1573406053765495
DOI https://dx.doi.org/10.2174/1573406053765495 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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