A lipoglycopeptide antibiotic for Gram-positive biofilm-related infections
Article
Blaskovich, Mark A. T., Hansford, Karl A., Butler, Mark S., Ramu, Soumya, Kavanagh, Angela M., Jarrad, Angie M., Prasetyoputri, Anggia, Pitt, Miranda E., Huang, J. X., Lindahl F., Ziora Z.M., Bradford T., Muldoon C., Rajaratnam P., Pelingon R., Edwards D.J., Zhang B., Amado M., Elliott A.G., ..., Cooper M.A.. 2022. "A lipoglycopeptide antibiotic for Gram-positive biofilm-related infections." Science Translational Medicine. 14 (662), pp. 1-16. https://doi.org/10.1126/scitranslmed.abj2381
| Article Title | A lipoglycopeptide antibiotic for Gram-positive biofilm-related infections |
|---|---|
| ERA Journal ID | 123655 |
| Article Category | Article |
| Authors | Blaskovich, Mark A. T., Hansford, Karl A., Butler, Mark S., Ramu, Soumya, Kavanagh, Angela M., Jarrad, Angie M., Prasetyoputri, Anggia, Pitt, Miranda E., Huang, J. X., Lindahl F., Ziora Z.M., Bradford T., Muldoon C., Rajaratnam P., Pelingon R., Edwards D.J., Zhang B., Amado M., Elliott A.G., Zuegg J., Coin L., Woischnig A.K., Khanna N., Breidenstein E., Stincone A., Mason C., Khan N., Cho H.K., Karau M.J., Greenwood-Quaintance K.E., Patel R., Wootton M., James M.L., Hutton M.L., Lyras D., Ogunniyi A.D., Mahdi, L. K., Trott D.J., Wu X., Niles S., Lewis K., Smith J.R., Barber K.E., Yim J., Rice S.A., Rybak M.J., Ishmael C.R., Hori K.R., Bernthal N.M., Francis K.P., Roberts J.A., Paterson D.L. and Cooper M.A. |
| Journal Title | Science Translational Medicine |
| Journal Citation | 14 (662), pp. 1-16 |
| Article Number | abj2381 |
| Number of Pages | 16 |
| Year | 2022 |
| Place of Publication | United States |
| ISSN | 1946-6234 |
| 1946-6242 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1126/scitranslmed.abj2381 |
| Web Address (URL) | https://www.science.org/doi/10.1126/scitranslmed.abj2381 |
| Abstract | Drug-resistant Gram-positive bacterial infections are still a substantial burden on the public health system, with two bacteria (Staphylococcus aureus and Streptococcus pneumoniae) accounting for over 1.5 million drug-resistant infections in the United States alone in 2017. In 2019, 250,000 deaths were attributed to these pathogens globally. We have developed a preclinical glycopeptide antibiotic, MCC5145, that has excellent potency (MIC90 ≤ 0.06 μg/ml) against hundreds of isolates of methicillin-resistant S. aureus (MRSA) and other Gram-positive bacteria, with a greater than 1000-fold margin over mammalian cell cytotoxicity values. The antibiotic has therapeutic in vivo efficacy when dosed subcutaneously in multiple murine models of established bacterial infections, including thigh infection with MRSA and blood septicemia with S. pneumoniae, as well as when dosed orally in an antibiotic-induced Clostridioides difficile infection model. MCC5145 exhibited reduced nephrotoxicity at microbiologically active doses in mice compared to vancomycin. MCC5145 also showed improved activity against biofilms compared to vancomycin, both in vitro and in vivo, and a low propensity to select for drug resistance. Characterization of drug action using a transposon library bioinformatic platform showed a mechanistic distinction from other glycopeptide antibiotics. |
| Byline Affiliations | University of Queensland |
| University of Adelaide | |
| Library Services |
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