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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Lai, Barry Zhang, Zhenjie Cohen, Seth M. Chen, Yao |
| Copyright Year | 2017 |
| Abstract | With metalloproteins garnering increased interest as therapeutic targets, designing target-specific metalloprotein inhibitors (MPi) is of substantial importance. However, in many respects, the development and evaluation of MPi lags behind that of conventional small molecule therapeutics. Core concerns around MPi, such as target selectivity and potential disruption of metal ion homeostasis linger. Herein, we used a suite of analytical methods, including energy-dispersive X-ray spectroscopy (EDX), inductively coupled plasma atomic emission spectroscopy (ICP-OES), and synchrotron X-ray fluorescence microscopy (SXRF) to investigate the effect of several MPi on cellular metal ion distribution and homeostasis. The results reveal that at therapeutically relevant concentrations, the tested MPi have no significant effects on cellular metal ion content or distribution. In addition, the affinity of the metal-binding pharmacophore (MBP) utilized by the MPi does not have a substantial influence on the effect of the MPi on cellular metal distribution. These studies provide an important, original data set indicating that metal ion homeostasis is not notably perturbed by MPi, which should encourage the development of and aid in designing new MPi, guide MBP selection, and clarify the effect of MPi on the ‘metallome’. |
| Starting Page | 250 |
| Ending Page | 257 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 17565901 |
| Volume Number | 9 |
| Issue Number | 3 |
| Journal | Metallomics |
| DOI | 10.1039/c6mt00267f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | X-ray fluorescence Energy-dispersive X-ray spectroscopy Metalloprotein Homeostasis Ion Inductively coupled plasma atomic emission spectroscopy Fluorescence microscope Metallome Pharmacophore |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Medicine Metals and Alloys Biochemistry Biomaterials Biophysics |
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