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Low-Dose Acyclovir Reduces the Reactivation of Herpes Simplex and Varicella Zoster Viruses After Allogeneic Stem Cell Transplantation.
Cureus
December 2024
Division of Hematology and Cellular Therapy, Allegheny Health Network Cancer Institute, Pittsburgh, USA.
Introduction: Reactivation of herpes simplex virus (HSV) and varicella zoster virus (VZV) is a potential complication following allogeneic stem cell transplantation (alloSCT). Since different doses and durations of acyclovir prophylaxis may be utilized across transplant centers, this study aimed to evaluate the effectiveness of a lower dose of acyclovir in preventing HSV and VZV reactivation in alloSCT recipients within our institution.
Methods: A retrospective chart review was conducted for patients who underwent alloSCT between April 2016 and May 2023.
Metagenomic next-generation sequencing of cerebrospinal fluid: a diagnostic approach for varicella zoster virus-related encephalitis.
Front Cell Infect Microbiol
December 2024
Department of Neurology, Harrison International Peace Hospital, Hengshui, China.
Purpose: Varicella zoster virus-related encephalitis (VZV-RE) is a rare and often misdiagnosed condition caused by an infection with the VZV. It leads to meningitis or encephalitis, with patients frequently experiencing poor prognosis. In this study, we used metagenomic next-generation sequencing (mNGS) to rapidly and accurately detect and identify the VZV pathogen directly from cerebrospinal fluid (CSF) samples, aiming to achieve a definitive diagnosis for encephalitis patients.
View Article and Find Full Text PDFChemical characterization and evaluation of antiviral activity of two fucoidans extracted from Mediterranean brown seaweeds, Padina pavonica and Dictyopteris membranacea.
Lett Appl Microbiol
January 2025
Laboratory for Chemical, Galenic and Pharmacological Development of Drugs (LR12ES09), Faculty of Pharmacy of Monastir, University of Monastir, Tunisia.
Brown seaweeds are known for their bioactive compounds, particularly sulfated polysaccharides such as fucoidans, which have demonstrated antiviral properties. However, limited studies have focused on the antiviral potential of fucoidans extracted from Mediterranean brown seaweeds. In this study, two brown seaweeds Padina pavonica and Dictyopteris membranacea (Fuc-Pad and Fuc-Dic) were collected from monastir coasts, Tunisia, and a specific extraction protocol was employed to obtain fucoidans.
View Article and Find Full Text PDFOral Herpes Simplex Virus Mimicking Tongue Squamous cell Carcinoma in Von Hippel-Lindau Patient: A Case Image.
Head Neck Pathol
January 2025
Department of Otolaryngology - Head and Neck Surgery, Harvard Medical School, Boston, MA, USA.
We present the case of a 51-year-old man with Von Hippel-Lindau disease and a history of renal transplantation who developed a persistent, painful tongue lesion with episodes of significant swelling. Given his history of prolonged immunosuppression and elevated cancer risk, oral squamous cell carcinoma was a major concern. However, histopathological evaluation confirmed recrudescent herpes simplex virus (HSV) infection rather than malignancy.
View Article and Find Full Text PDFRelationship Between HSV-1 Serostatus and HSV-2 IgG Confirmation Results Using an Inhibition Assay.
Sex Transm Dis
February 2025
From the Quest Diagnostics Inc., San Juan Capistrano, CA.
Background: Approximately 2% of HerpeSelect herpes simples virus type 2 (HSV-2) IgG enzyme immunoassay (screen assay) sera-positive samples do not confirm using an HSV-2 IgG inhibition assay. Of these, roughly 1.33% are confirmed negative, and a small proportion (0.
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