A series of oxazolidinone antibacterial agents containing a 5-substituted isoxazol-3-yl moiety were synthesized via a nitrile oxide [3+2] dipolar cycloaddition reaction. These compounds were screened against a panel of susceptible and resistant Gram-positive organisms. Several analogs from this series were comparable to or more potent than linezolid in vitro.
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http://dx.doi.org/10.1016/j.bmcl.2004.04.037 | DOI Listing |
Arch Microbiol
January 2025
SLIIT, Malabe, Sri Lanka.
The development of new medicines with unique methods of antimicrobial action is desperately needed due to the emerging multidrug-resistant bacteria, such as methicillin-resistant Staphylococcus aureus. Therefore, antimicrobial peptoids have emerged as potential new antimicrobials. Thirteen peptoid analogues have been designed and synthesized via solid phase synthesis.
View Article and Find Full Text PDFMikrobiyol Bul
October 2024
İnönü University Faculty of Medicine, Deparment of Medical Microbiology, Malatya, Türkiye.
The increasing antibiotic resistance in Pseudomonas aeruginosa, responsible for both community-acquired and hospital-acquired infections, is of global significance. The primary mechanisms contributing to resistance development in P.aeruginosa include the increased activity of efflux pumps, decreased permeability of outer membrane porins and the production of carbapenemases.
View Article and Find Full Text PDFAm J Mens Health
January 2025
Department of Emergency Ward, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China.
This study aims to investigate the effect and mechanism of cyclosporine A (CsA) on paclitaxel-resistant prostate cancer cells. Paclitaxel-resistant prostate cancer cell lines were established by gradual increment method. The proliferation of cells was tested using MTT and colony formation assay.
View Article and Find Full Text PDFSmall Methods
January 2025
School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China.
Improper use of antibiotics has led to the development of antimicrobial resistance, or "superbugs," outpacing the discovery of new antibiotics. The lack of rapid, high-throughput screening methods is a major bottleneck in discovery novel antibiotics. Traditional methods consume significant amounts of samples, making it challenging to discover new antibiotics from limited natural product extracts.
View Article and Find Full Text PDFTheranostics
January 2025
Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China.
Infectious bone defects present a significant clinical challenge, characterized by infection, inflammation, and subsequent bone tissue destruction. Traditional treatments, including antibiotic therapy, surgical debridement, and bone grafting, often fail to address these defects effectively. However, recent advancements in biomaterials research have introduced innovative solutions for managing infectious bone defects.
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