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Acute Q Fever after Kidney Transplantation: A Case Report.
Br J Hosp Med (Lond)
January 2025
Department of Rheumatism and Immunity, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
Patients receiving kidney transplant experience immunosuppression, which increases the risk of bacterial, viral, fungal, and parasitic infections. Q fever is a potentially fatal infectious disease that affects immunocompromised renal transplant recipients and has implications in terms of severe consequences for the donor's kidney. A patient with acute Q fever infection following kidney transplantation was admitted to the Tsinghua Changgung Hospital in Beijing, China, in March 2021.
View Article and Find Full Text PDFDisseminated protothecosis in a dog coinfected with Hepatozoon canis and Ehrlichia canis.
Vet Res Commun
January 2025
Facultad de Ciencias Veterinarias. Cátedra de Enfermedades Infecciosas, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina.
Protothecosis is a severe, emerging opportunistic infection caused by the saprophytic, achlorophyllous microalgae of the genus Prototheca. Though uncommon, human and animal cases are increasing worldwide, making awareness of this fungal-like pathogen important in both human and veterinary medicine. We report a fatal case of disseminated protothecosis caused by P.
View Article and Find Full Text PDFThe diagnostic accuracy of point-of-care nucleic acid-based isothermal amplification assays for scrub typhus: a systematic review and meta-analysis.
Front Microbiol
January 2025
Department of Epidemiology & Public Health, Central University of Tamil Nadu, Thiruvarur, India.
Introduction: The diagnosis and detection of pathogens such as and is a cause of major concern among the public health community. Unavailability of rapid, cost-effective diagnostic assays contributes to delayed diagnosis and timely treatment. Using the methodology of systematic reviewing and meta-analysis, the study aimed to synthesize and compare the diagnostic performances of all the available isothermal assays for the detection of classical rickettsial diseases.
View Article and Find Full Text PDFDevelopment of a rapid antigen-based lateral flow assay for tick-borne spotted fever rickettsioses.
PLoS One
January 2025
Department of Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America.
Tick-borne spotted fever rickettsioses (SFRs) continue to cause severe illness and death in otherwise-healthy individuals due to lack of a timely and reliable diagnostic laboratory test. We recently identified a diagnostic biomarker for SFRs, the putative N-acetylmuramoyl-l-alanine amidase RC0497. Here, we developed a prototype laboratory test that targets RC0497 for diagnosis of SFRs.
View Article and Find Full Text PDFThe actin-based motility effectors RickA and Sca2 contribute differently to cell-to-cell spread and pathogenicity.
mBio
January 2025
Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California, USA.
is an obligate intracellular, tick-borne bacterial pathogen that can cause eschar-associated rickettsiosis in humans. invades host cells, escapes from vacuoles into the cytosol, and undergoes two independent modes of actin-based motility mediated by effectors RickA or Sca2. Actin-based motility of enables bacteria to enter protrusions of the host cell plasma membrane that are engulfed by neighboring host cells.
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