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Targeting InhA in drug-resistant Mycobacterium tuberculosis: potent antimycobacterial activity of diaryl ether dehydrozingerone derivatives.
Arch Microbiol
January 2025
Clinical Microbiology and PK-PD Division, CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar, J&K, 190005, India.
Tuberculosis (TB) remains a major global threat, with 10 million new cases and 1.5 million deaths each year. In multidrug-resistant tuberculosis (MDR-TB), resistance is most commonly observed against isoniazid (INH) and rifampicin (RIF), the two frontline drugs.
View Article and Find Full Text PDFAntibacterial evaluation of antibiotic-coated titanium and stainless steel implants in orthopaedic application: a dip-coating approach.
J Orthop Surg Res
January 2025
Hamidiye Medicine Faculty, Department of Medical Biology, University of Health Sciences, Istanbul, Türkiye.
Background: Despite their biocompatibility, metal implants are susceptible to infections, leading to implant failure and patient complications. The purpose of this study was to investigate the antibacterial potential of antibiotic-coated titanium and stainless steel implants.
Methods: The study was designed as an experimental in vitro study, and it was conducted at the Department of Immunology of the University of Health Sciences, Istanbul/ Turkiye in January and February 2024.
Discovery of 15-deoxynaphthomycins activating the antioxidant NRF2-ARE pathway from Streptomyces sp. N50 via genome mining, global regulator introduction, and molecular networking.
Microb Cell Fact
January 2025
Center for Natural Product Systems Biology, Institute of Natural Product, Korea Institute of Science and Technology, Gangneung, 25451, Republic of Korea.
Genome mining is a promising avenue for expanding the repertoire of microbial natural products, which are important for drug development. This approach involves predicting genetically encoded small molecules by examining bacterial genomes via accumulated knowledge of microbial biosynthesis. However, it is also important that the microbes produce the predicted molecule in practice.
View Article and Find Full Text PDFNew Ionic Liquid Forms of Antituberculosis Drug Combinations for Optimized Stability and Dissolution.
AAPS PharmSciTech
January 2025
Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut, Egypt.
Isoniazid (INH) and rifampicin (RIF) are the two main drugs used for the management of tuberculosis. They are often used as a fixed drug combination, but their delivery is challenged by suboptimal solubility and physical instability. This study explores the potential of active pharmaceutical ingredient-ionic liquids (API-ILs) to improve the physicochemical and pharmaceutical properties of INH and RIF.
View Article and Find Full Text PDFDissemination of arr-2 and arr-3 is associated with class 1 integrons in Klebsiella pneumoniae clinical isolates from Portugal.
Med Microbiol Immunol
January 2025
Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal.
\nKlebsiella pneumoniae is a common pathogen of healthcare-associated infections expressing a plethora of antimicrobial resistance loci, including ADP-ribosyltransferase coding genes (arr), able to mediate rifampicin resistance. The latter has activity against a broad range of microorganisms by inhibiting DNA-dependent RNA polymerases. This study aims to characterise the arr distribution and genetic context in 138 clinical isolates of K.
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