Automated Production of [<sup>68</sup>Ga]Ga-desferrioxamine B on Two Different Synthesis Platforms DOI Open Access
Martin Kraihammer, Miloš Petřík, Christine Rangger

и другие.

Опубликована: Июль 29, 2024

PET imaging of bacterial infection could potentially provide added benefit for patient care by non-invasive means. [68Ga]Ga-desferrioxamine B – a radiolabelled siderophore shows specific uptake human-pathogenic bacteria like Staphylococcus aureus or Pseudomonas aeruginosa as well sufficient serum stability clinical application. Here, we data automated production on two different cassette based synthesis modules (Modular-Lab PharmTracer and GRP 3V) using commercially available cassettes together with an approved 68Ge/68Ga radionuclide generator. Quality control including determination radiochemical purity system suitability test was set up via RP-HPLC C18 column. The described processes, acetic acid/acetate buffer ascorbic acid radiation scavenger radiolabelling, yield ready-to-use formulations activity yield. Batch showed &amp;gt;95 % determined ITLC excellent over 2 hours post production. Specifications routine were validated four master batches each module. Based this study, academic trial initiated. Both methods enable reproducible, in-house

Язык: Английский

Urinary Tract Infections: The Current Scenario and Future Prospects DOI Creative Commons
Giuseppe Mancuso, Angelina Midiri, Elisabetta Gerace

и другие.

Pathogens, Год журнала: 2023, Номер 12(4), С. 623 - 623

Опубликована: Апрель 20, 2023

Urinary tract infections (UTIs) are among the most common bacterial worldwide, occurring in both community and healthcare settings. Although clinical symptoms of UTIs heterogeneous range from uncomplicated (uUTIs) to complicated (cUTIs), usually treated empirically. Bacteria main causative agents these infections, although more rarely, other microorganisms, such as fungi some viruses, have been reported be responsible for UTIs. Uropathogenic Escherichia coli (UPEC) is agent uUTIs cUTIs, followed by pathogenic Klebsiella pneumoniae, Proteus mirabilis, Enterococcus faecalis, Staphylococcus spp. In addition, incidence caused multidrug resistance (MDR) increasing, resulting a significant increase spread antibiotic economic burden infections. Here, we discuss various factors associated with UTIs, including mechanisms pathogenicity related bacteria that cause emergence increasing UTI pathogens.

Язык: Английский

Процитировано

158

IgG N-glycan Signatures as Potential Diagnostic and Prognostic Biomarkers DOI Creative Commons
Benjamin Haslund-Gourley, Brian Wigdahl, Mary Ann Comunale

и другие.

Diagnostics, Год журнала: 2023, Номер 13(6), С. 1016 - 1016

Опубликована: Март 7, 2023

IgG N-glycans are an emerging source of disease-specific biomarkers. Over the last decade, continued development glycomic databases and evolution glyco-analytic methods have resulted in increased throughput, resolution, sensitivity. promote adaptive immune responses through antibody-dependent cellular cytotoxicity (ADCC) complement activation to combat infection or cancer autoimmunity. In addition functional assays, researchers examining ability protein-specific glycosylation serve as biomarkers disease. This literature review demonstrates that can discriminate between healthy controls, autoimmune disease, infectious with high The also indicates patterns vary across disease state, thereby supporting their role specific addition, be collected longitudinally from patients track treatment predict reoccurrence. focuses on N-glycan profiles applied diagnostics, cohort discriminators, prognostics. Recent successes, remaining challenges, upcoming approaches critically discussed.

Язык: Английский

Процитировано

15

Synergistic Antimicrobial Activity of Silver Nanoparticles with an Emergent Class of Azoimidazoles DOI Creative Commons
Ana Isabel Ribeiro, Bárbara Vieira,

Daniela Dantas

и другие.

Pharmaceutics, Год журнала: 2023, Номер 15(3), С. 926 - 926

Опубликована: Март 13, 2023

The combination of two or more agents capable acting in synergy has been reported as a valuable tool to fight against pathogens. Silver nanoparticles (AgNPs) present strong antimicrobial action, although their cytotoxicity for healthy cells at active concentrations is major concern. Azoimidazole moieties exhibit interesting bioactivities, including activity. In this work, class recently described azoimidazoles with antifungal activity was conjugated citrate polyvinylpyrrolidone-stabilized AgNPs. Proton nuclear magnetic resonance used confirm the purity compounds before further tests and atomic absorption spectroscopy verify concentration silver prepared dispersions. Other analytical techniques elucidate morphology stability AgNPs corresponding conjugates, namely ultraviolet-visible spectrophotometry, scanning transmission electron microscopy dynamic light scattering analysis. synergistic conjugates assessed through checkerboard assay yeasts (Candida albicans Candida krusei) bacteria (Staphylococcus aureus Escherichia coli). showed improved all microorganisms, particular towards bacteria, below individual minimal inhibitory (MIC). Furthermore, some combinations were found be non-cytotoxic human HaCaT cells.

Язык: Английский

Процитировано

12

Novel antimicrobial strategies for diabetic foot infections: addressing challenges and resistance DOI

Fahaad Alenazi,

Mohd Shahid Khan

Acta Diabetologica, Год журнала: 2025, Номер unknown

Опубликована: Янв. 6, 2025

Язык: Английский

Процитировано

0

Polypharmacological strategies for infectious bacteria DOI
Miguel M. Leitão, Ariana S.C. Gonçalves, Fernanda Borges

и другие.

Pharmacological Reviews, Год журнала: 2025, Номер unknown, С. 100038 - 100038

Опубликована: Янв. 1, 2025

Polypharmacological approaches have significant potential for the treatment of various complex diseases, including infectious bacteria-related diseases. Actually, multitargeting agents can achieve better therapeutic effects and overcome drawbacks monotherapy. Although multidrug multitarget strategies demonstrated ability to inactivate bacteria, several challenges been pointed out. In this way, direct ligands appear be a rational sustainable strategy combat antibiotic resistance. By combining different pharmacophores, hybrids stand out as promising application in field bacterial infections. These new chemical entities synergistic interactions that allow extend spectrum action target multiple pathways. addition, reduce likelihood resistance development provide improved stability. It is worth highlighting despite efforts scientific community discover solutions most there lack studies on biofilm-associated This review describes polypharmacological used treat infections with particular focus, whenever possible, those promoted by biofilms. exploring these innovative approaches, we aim inspire further research progress search effective treatments biofilm-related ones. SIGNIFICANCE STATEMENT: The importance proposed topic lies escalating challenge resistance, particularly context such hybrids, represent targeting signaling pathways, not only enhance effect but also while improving drug's Despite urgent need notable gap, highlights critical motivating advances biofilm related

Язык: Английский

Процитировано

0

Genomic Analysis Methods of Microorganisms DOI Creative Commons
Canan Kebabçıoğlu, Osman Erganiş

Turkish Journal of Agriculture - Food Science and Technology, Год журнала: 2025, Номер 13(1), С. 237 - 243

Опубликована: Янв. 18, 2025

Molecular approaches used to identify bacterial species use 16S rRNA and MLST determine the genetic linkage of bacteria; characterizes clonal linkages by examining differences in various gene loci. MLVA determines relationships strains biovar-level assesses copy number repeated DNA sequences. Sequencing provides data identifying sequences; Sanger sequencing is basis for next-generation approaches. CRISPR modifies code can correct mutations or control genes using Cas9. These methods are important annotating genomic information. The this purpose brought together study. explanation detailed description examined will contribute their field microbiology.

Язык: Английский

Процитировано

0

Strengthening Molecular Testing Capacity in Colombia: Challenges and Opportunities DOI
Milena Camargo, Marina Muñoz, Luz Helena Patiño

и другие.

Diagnostic Microbiology and Infectious Disease, Год журнала: 2025, Номер unknown, С. 116716 - 116716

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

0

Pathogenic Bacteria Rapidly Colonise Sinks of Neonatal Intensive Care Unit: Results of A Prospective Surveillance Study DOI
Jia Ming Low, Karrie Kwan Ki Ko, Rick Twee‐Hee Ong

и другие.

Journal of Hospital Infection, Год журнала: 2025, Номер unknown

Опубликована: Фев. 1, 2025

Язык: Английский

Процитировано

0

Extracellular Vesicles as Biomarkers in Infectious Diseases DOI Creative Commons

C. Cruz,

H Sodawalla, Thalachallour Mohanakumar

и другие.

Biology, Год журнала: 2025, Номер 14(2), С. 182 - 182

Опубликована: Фев. 11, 2025

Extracellular vesicles (EVs) are nanosized that secreted by all cells into the extracellular space. EVs involved in cell-to-cell communication and can be found different bodily fluids (bronchoalveolar lavage fluid, sputum, urine), tissues, circulation; composition of reflects physiological condition releasing cell. The ability to use from for minimally invasive detection monitor diseases makes them an attractive target. carry a snapshot cell's internal state, they serve as powerful biomarkers diagnosing diseases. also play role body's immune pathogen responses. Pathogens, such bacteria viruses, exploit enhance their survival spread evade system. Changes number or contents signal presence infection, offering potential avenue developing new diagnostic methods infectious Ongoing research this area aims address current challenges range diseases, including infections There is limited literature on development using existing molecular biology approaches. We aim gap reviewing recent EV-related investigations disease studies.

Язык: Английский

Процитировано

0

Integrated analysis of the microbiome, culturable strains, and substrate microenvironment reveals significant shifts in bacterial community of Angelica sinensis from fresh roots to medicinal slices DOI
Xiaopeng Guo,

Xuee Li,

Rong Guo

и другие.

Biologia, Год журнала: 2025, Номер unknown

Опубликована: Фев. 15, 2025

Язык: Английский

Процитировано

0