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| Content Provider | PubMed Central |
|---|---|
| Author | Gruppo, Veronica Johnson, Christine M. Marietta, Karen S. Scherman, Hataichanok Zink, Erin E. Crick, Dean C. Adams, Linda B. Orme, Ian M. Lenaerts, Anne J. |
| Copyright Year | 2006 |
| Abstract | The assessment of physiochemical and pharmacological properties at early stages of drug discovery can accelerate the conversion of hits and leads into candidates for further development. A strategy for streamlined evaluation of compounds against Mycobacterium tuberculosis in the early preclinical stage is presented in this report. As a primary assay to rapidly select experimental compounds with sufficient in vitro activity, the growth inhibition microtiter plate assay was devised as an alternative to current methods. This microdilution plate assay is a liquid culture method based on spectrophotometric readings of the bacillary growth. The performance of this method was compared to the performance of two established susceptibility methods using clinical available tuberculosis (TB) drugs. Data generated from all three assays were similar for all of the tested compounds. A second simple bioassay was devised to assess the oral bioavailability of compounds prior to extensive in vivo efficacy testing. The bioassay estimates drug concentrations in collected serum samples by a microdilution MIC plate method using M. tuberculosis. In the same assay, the MIC of the compound is also determined in the presence of 10% mouse serum as an indication of protein binding. The method was validated using different clinically available TB drugs, and results are discussed in this report. With these methodological advances, screening of compounds against tuberculosis in the preclinical phase will be rapid, can be adapted to semi-high-throughput screening, and will add relevant physicochemical and basic pharmacological criteria to the decision process of drug discovery. |
| Related Links | http://dx.doi.org/10.1128/aac.50.4.1245-1250.2006 |
| Ending Page | 1250 |
| Page Count | 6 |
| Starting Page | 1245 |
| File Format | |
| ISSN | 00664804 |
| e-ISSN | 10986596 |
| Journal | Antimicrobial Agents and Chemotherapy |
| Issue Number | 4 |
| Volume Number | 50 |
| Language | English |
| Publisher | American Society for Microbiology |
| Publisher Date | 2006-04-01 |
| Access Restriction | Open |
| Rights Holder | American Society for Microbiology |
| Subject Keyword | Pharmacology (medical) Pharmacology Infectious Diseases Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Pharmacology Pharmacology (medical) |
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