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Sustainable utilization of bovine adipose tissue derivatives as robust antimicrobial agents against Methicillin-resistant Staphylococcus aureus.
BMC Microbiol
January 2025
Department of Internal Medicine and Infectious Diseases (Infectious Diseases), Faulty of Veterinary Medicine, Cairo University, Giza, Egypt.
Background: The excessive use of antibiotics is a major contributor to the global issue of antimicrobial resistance (AMR), a significant threat to human and animal health. Hence, assessing new strategies for managing Multi-Drug Resistant (MDR) microorganisms is vital. In this study, the use of mechanically isolated mature adipose cells (MIMACs) and their lysate (Adipolysate) as a new sustainable antimicrobial agent was assessed against Methicillin-resistant Staphylococcus aureus (MRSA).
View Article and Find Full Text PDFCross-priming in cancer immunology and immunotherapy.
Nat Rev Cancer
January 2025
Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain.
Cytotoxic T cell immune responses against cancer crucially depend on the ability of a subtype of professional antigen-presenting cells termed conventional type 1 dendritic cells (cDC1s) to cross-present antigens. Cross-presentation comprises redirection of exogenous antigens taken from other cells to the major histocompatibility complex class I antigen-presenting machinery. In addition, once activated and having sensed viral moieties or T helper cell cooperation via CD40-CD40L interactions, cDC1s provide key co-stimulatory ligands and cytokines to mount and sustain CD8 T cell immune responses.
View Article and Find Full Text PDFDevelopments in Infectious Disease Molecular Diagnostics and the Impact on Health Care.
J Mol Diagn
February 2025
Infectious Disease Subdivision Leadership of the Association for Molecular Pathology, Rockville, Maryland; Department of Laboratory Medicine and Pathology, Mayo Clinic, Phoenix, Arizona.
Molecular characterization of feline caliciviruses isolated from several adult cats with atypical infection showing severe flu-like symptoms on a remote island in Ehime, Japan.
Virus Res
January 2025
Department of Microbiology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Ehime, Japan.
In November 2020, a volunteer group reported an outbreak of an infectious disease with a high fatality rate and flu-like symptoms among stray cats in Aoshima, a remote island in Ehime, Japan. Nine adult cats with severe symptoms were hospitalized. Feline calicivirus (FCV) was isolated from pharyngeal swabs of six hospitalized cats.
View Article and Find Full Text PDFType I Interferon Targets Alveolar Macrophages to Promote Bacterial Pneumonia after Viral Infection.
Am J Respir Cell Mol Biol
January 2025
The University of Texas Medical Branch at Galveston, Microbiology and Immuology, Galveston, Texas, United States.
Exposure to influenza A virus (IAV), respiratory syncytial virus (RSV), and human metapneumovirus (hMPV) is well-known to increase the risk of pneumonia in humans. Type I interferon (IFN-I) is a hallmark response to acute viral infections, and alveolar macrophages (AMs) constitute the first line of airway defense against opportunistic bacteria. Our study reveals that virus-induced IFN-I receptor (IFNAR1) signaling directly impairs AM-dependent antibacterial protection.
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