Hyperammonemia syndrome (HS) from infection is typically reported in posttransplant recipients, particularly lung transplant. We describe a young woman with activated PI3K delta syndrome 2 who presented with HS from disseminated infection with septic arthritis. We also performed a literature review of -associated HS in nontransplant patients.
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http://dx.doi.org/10.1093/ofid/ofaf084 | DOI Listing |
Pediatr Infect Dis J
March 2025
Department of Pediatrics, AIIMS Jodhpur, Rajasthan, India.
Sci Transl Med
March 2025
Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA.
Congenital cytomegalovirus (cCMV) is the leading infectious cause of neonatal neurological impairment worldwide, but the viral factors enabling vertical spread across the placenta remain undetermined. The pentameric complex (PC), composed of the subunits gH/gL/UL128/UL130/UL131A, has been demonstrated to be important for entry into nonfibroblast cells in vitro. These findings link the PC to broad cell tropism and virus dissemination in vivo, denoting all subunits as potential targets for intervention strategies and vaccine development.
View Article and Find Full Text PDFJ Vet Intern Med
March 2025
Centre for Veterinary Education, Sydney School of Veterinary Science, The University of Sydney, Sydney, Australia.
Protothecosis is a rare and unusual disease that affects both humans and animals, including dogs. The causative agents are unicellular, achlorophyllous, "yeast-like" microalgae of the genus Prototheca (Trebouxiophyceae, Chlorophyta). Although usually saprophytic, Prototheca may, under conditions of immunologic compromise, become pathogenic and even lethal to the host.
View Article and Find Full Text PDFInfect Immun
March 2025
Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.
an invasive basidiomycete fungal pathogen, causes one of the most prevalent, life-threatening diseases in immunocompromised individuals and accounts for ~19% of AIDS-associated deaths. Therefore, understanding the pathogenesis of and its interactions with the host immune system is critical for developing therapeutics against cryptococcosis. Previous studies demonstrated that cells lacking polyphosphate (polyP), an immunomodulatory polyanionic storage molecule, display altered cell surface architecture but unimpaired virulence in a murine model of cryptococcosis.
View Article and Find Full Text PDFMycoses
March 2025
Department I of Internal Medicine, European Diamond Excellence Centre for Medical Mycology (ECMM), and Centre for Integrated Oncology (CIO), Aachen, Bonn, Cologne, Düsseldorf (ABCD), Cologne, Germany.
Candidaemia in children is associated with high mortality. The epidemiology of Candida bloodstream infection is changing with rising rates of fluconazole resistance worldwide and the emergence of novel multidrug-resistant species such as Candida auris, which is associated with outbreaks. Guidelines on the management of candidaemia emphasise identification of species and determination of antifungal susceptibility to guide appropriate treatment, performing relevant investigations to rule out deep-seated infection, and removal of central venous catheters.
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