A recent workshop titled "Developing Models to Study Polymicrobial Infections," sponsored by the Dartmouth Cystic Fibrosis Center (DartCF), explored the development of new models to study the polymicrobial infections associated with the airways of persons with cystic fibrosis (CF). The workshop gathered 35+ investigators over two virtual sessions. Here, we present the findings of this workshop, summarize some of the challenges involved with developing such models, and suggest three frameworks to tackle this complex problem. The frameworks proposed here, we believe, could be generally useful in developing new model systems for other infectious diseases. Developing and validating new approaches to study the complex polymicrobial communities in the CF airway could open windows to new therapeutics to treat these recalcitrant infections, as well as uncovering organizing principles applicable to chronic polymicrobial infections more generally.
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http://dx.doi.org/10.1128/mBio.01763-21 | DOI Listing |
Cureus
November 2024
Pulmonary and Critical Care Medicine, University of Florida College of Medicine - Jacksonville, Jacksonville, USA.
We present a case of bacteremia in the setting of polymicrobial osteomyelitis. is a Gram-variable bacterium that has been rarely documented as the etiologic organism in human infections such as septic arthritis or otitis media, and even more rarely reported as an organism associated with bacteremia. The patient presented with septic shock and the physical exam was notable for gangrene of bilateral feet.
View Article and Find Full Text PDFInfect Drug Resist
December 2024
Department of Bacteriology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana.
Background: Patients with tuberculosis (TB) often harbor diverse bacteria in their sputum, including both commensal and opportunistic pathogens. This study aimed to characterize the sputum microbiota of TB patients before and after the intensive phase of anti-TB treatment and assess changes in bacterial diversity and antibiotic resistance profiles.
Methods: A total of 162 patients with TB (128 males, 34 females; age range 18-82 years) provided sputum samples at baseline, of which 72 provided follow-up sputum after two months of intensive phase treatment.
J Viral Hepat
January 2025
Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
The objective of this report is to provide clarification on the interaction among hepatitis B virus (HBV), hepatitis C virus (HCV) and alcohol in the development of hepatocellular carcinoma (HCC). A systematic search was performed in PubMed, Web of Science and Scopus databases up to July 18, 2023. The inclusion criteria involved observational studies that examined the relationship between HBV, HCV, alcohol use and the development of HCC.
View Article and Find Full Text PDFAntiviral Res
December 2024
Department of Molecular and Medical Virology, Ruhr University Bochum, Bochum, Germany; German Centre for Infection Research (DZIF), External Partner Site, Bochum, Germany. Electronic address:
Infection with one or several of the five known hepatitis viruses is a leading cause of liver disease and poses a high risk of developing hepatocellular carcinoma upon chronic infection. Chronicity is primarily caused by hepatitis B virus (HBV) and hepatitis C virus (HCV) and poses a significant health burden worldwide. Co-infection of chronic HBV infected patients with hepatitis D virus (HDV) is less common but is marked as the most severe form of chronic viral hepatitis.
View Article and Find Full Text PDFInt J Parasitol
December 2024
Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydney, New South Wales, Australia; Sydney Institute for Infectious Diseases, The University of Sydney, New South Wales, Australia. Electronic address:
Canine hookworm (Ancylostoma caninum), a gastrointestinal nematode of domestic dogs, principally infects the small intestine of dogs and has the potential to cause zoonotic disease. In greyhounds and pet dogs in the USA, A. caninum has been shown to be resistant to multiple anthelmintics.
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