Antibacterial Mechanisms and Clinical Impact of Sitafloxacin DOI Creative Commons

E Kuhn,

Levy A. Sominsky, Marco Chittò

и другие.

Pharmaceuticals, Год журнала: 2024, Номер 17(11), С. 1537 - 1537

Опубликована: Ноя. 16, 2024

Sitafloxacin is a 4th generation fluoroquinolone antibiotic with broad activity against wide range of Gram-negative and Gram-positive bacteria. It approved in Japan used to treat pneumonia urinary tract infections (UTIs) as well other upper lower respiratory infections, genitourinary oral otitis media. Compared fluoroquinolones, sitafloxacin displays low minimal inhibitory concentration (MIC) for many bacterial species but also anaerobes, intracellular bacteria, persisters. Furthermore, it has shown strong biofilms

Язык: Английский

Bacterial heterogeneity and antibiotic persistence: bacterial mechanisms utilized in the host environment DOI
Katherine L. Cotten, Kimberly M. Davis

Microbiology and Molecular Biology Reviews, Год журнала: 2023, Номер 87(4)

Опубликована: Ноя. 14, 2023

SUMMARYAntibiotic persistence, or the ability of small subsets bacteria to survive prolonged antibiotic treatment, is an underappreciated cause treatment failure. Over past decade, researchers have discovered multiple different stress responses and mechanisms that can promote persistence. However, many these studies been completed in culture-based systems fail truly replicate complexities host environment, it unclear whether defined

Язык: Английский

Процитировано

10

MEndoB, a chimeric lysin featuring a novel domain architecture and superior activity for the treatment of staphylococcal infections DOI Creative Commons

Christian Roehrig,

Markus Huemer,

Dominique Lorgé

и другие.

mBio, Год журнала: 2024, Номер 15(2)

Опубликована: Янв. 26, 2024

One of the most pressing challenges our era is rising occurrence bacteria that are resistant to antibiotics. Staphylococci prominent pathogens in humans, which have developed multiple strategies evade effects Infections caused by these resulted a high burden on health care system and significant loss lives. In this study, we successfully engineered lytic enzymes exhibit an extraordinary ability eradicate staphylococci. Our findings substantiate importance meticulous lead candidate selection identify therapeutically promising peptidoglycan hydrolases with unprecedented activity. Hence, they offer new avenue for treating staphylococcal infections.

Язык: Английский

Процитировано

4

Cordyceps militaris Extract and Cordycepin Alleviate Oxidative Stress, Modulate Gut Microbiota and Ameliorate Intestinal Damage in LPS-Induced Piglets DOI Creative Commons

Shi‐Jie Xiong,

Jiajia Jiang, Fan Wan

и другие.

Antioxidants, Год журнала: 2024, Номер 13(4), С. 441 - 441

Опубликована: Апрель 8, 2024

Cordycepin is considered a major bioactive component in Cordyceps militaris extract. This study was performed to evaluate the ameliorative effect of extract (CME) and cordycepin (CPN) supplementation on intestinal damage LPS-challenged piglets. The results showed that CPN or CME significantly increased villus height (p < 0.01) height/crypt depth ratio 0.05) jejunum ileum piglets with LPS-induced inflammation. Meanwhile, alleviated oxidative stress inflammatory responses by reducing levels MDA pro-inflammatory cytokines serum. Additionally, modulated structure microbiota enriching short-chain fatty acid-producing bacteria, level butyrate 0.05). RNA-seq demonstrated altered complement coagulation-cascade-related genes 0.05), including upregulating gene KLKB1 while downregulating CFD, F2RL2, CFB, C4BPA, F7, C4BPB, CFH, C3 PROS1, which regulate activation involved immune responses. Correlation analysis further potential relation between gut inflammation, stress, In conclusion, might inhibit inflammation modulating its metabolite

Язык: Английский

Процитировано

4

Noise in a Metabolic Pathway Leads to Persister Formation in Mycobacterium tuberculosis DOI Creative Commons
Jeffrey Quigley, Kim Lewis

Microbiology Spectrum, Год журнала: 2022, Номер 10(5)

Опубликована: Окт. 4, 2022

Tuberculosis is difficult to treat due dormant cells formed in response immune stress and stochastically persisters, both of which are tolerant antibiotics. Bactericidal antibiotics kill by corrupting their energy-dependent targets. We reasoned that stochastic variation, or noise, the expression an energy-generating component will produce rare persister cells. In sorted M. tuberculosis grown on acetate, there considerable cell-to-cell variation level mRNA coding for AckA, acetate kinase. Quenching noise overexpressing

Язык: Английский

Процитировано

16

Antibacterial Mechanisms and Clinical Impact of Sitafloxacin DOI Creative Commons

E Kuhn,

Levy A. Sominsky, Marco Chittò

и другие.

Pharmaceuticals, Год журнала: 2024, Номер 17(11), С. 1537 - 1537

Опубликована: Ноя. 16, 2024

Sitafloxacin is a 4th generation fluoroquinolone antibiotic with broad activity against wide range of Gram-negative and Gram-positive bacteria. It approved in Japan used to treat pneumonia urinary tract infections (UTIs) as well other upper lower respiratory infections, genitourinary oral otitis media. Compared fluoroquinolones, sitafloxacin displays low minimal inhibitory concentration (MIC) for many bacterial species but also anaerobes, intracellular bacteria, persisters. Furthermore, it has shown strong biofilms

Язык: Английский

Процитировано

3