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Eosinophils: old cells, new directions.
Front Med (Lausanne)
January 2025
Hospital Universitario de Gran Canaria Dr. Negrín, Respiratory Service, Las Palmas de Gran Canaria, Spain.
Eosinophils are polymorphonuclear cells that have progressively gained attention due to their involvement in multiple diseases and, more recently, in various homeostatic processes. Their well-known roles range from asthma and parasitic infections to less prevalent diseases such as eosinophilic granulomatosis with polyangiitis, eosinophilic esophagitis, and hypereosinophilic syndrome. In recent years, various biological therapies targeting these cells have been developed, altering the course of eosinophilic pathologies.
View Article and Find Full Text PDFCytological features of oncocytic pleomorphic adenoma of the salivary gland: Using the Milan classification system to report 3 patients.
Mol Clin Oncol
March 2025
Department of Pathology, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka 569-8686, Japan.
Pleomorphic adenoma (PA) is the most common salivary gland tumour. Pre-operative fine-needle aspiration (FNA) is currently one of the most widely used cytological examination techniques for the diagnosis of salivary gland tumours. Because PA exhibits characteristic cytological features, cytological diagnosis is straightforward in most cases.
View Article and Find Full Text PDFLymphocytic Esophagitis: Navigating an Uncharted Territory.
J Investig Med High Impact Case Rep
January 2025
University of Balamand, Beirut, Lebanon.
Lymphocytic esophagitis (LE) is an uncommon subtype of esophagitis defined by persistent esophageal inflammation characterized by a high count of intraepithelial lymphocytes with scarce granulocytes. Although LE can present with atypical features such as chest pain, its clinical presentation can mimic that of gastroesophageal reflux disease or eosinophilic esophagitis, highlighting the importance of biopsy in diagnosing LE. Studies are still limited in understanding the pathophysiology behind this disease warranting further research.
View Article and Find Full Text PDFInterferon-γ signaling in eosinophilic esophagitis affects epithelial barrier function and programmed cell death.
Cell Mol Gastroenterol Hepatol
January 2025
Division of Allergy and Immunology, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine at University of Pennsylvania. Electronic address:
Background & Aims: Eosinophilic esophagitis (EoE) is a chronic esophageal inflammatory disorder characterized by eosinophil-rich mucosal inflammation and tissue remodeling. Prior research has revealed the upregulation of interferon (IFN) response signature genes (ISGs) in biopsy tissue from EoE patients, but the specific cell types that contribute to this IFN response and the effect of interferons on the esophageal epithelium remain incompletely understood. Here, we use scRNA-seq to examine the expression of IFN and ISGs during EoE and explore how IFN-α and IFN-γ treatments affect epithelial function.
View Article and Find Full Text PDFChanged profiles of SARS-CoV-2 specific memory T cells in asthmatics with different blood eosinophil counts.
Pulmonology
December 2025
State Key Laboratory of Respiratory Disease, Joint International Research Laboratory of Respiratory Health, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University. Guangzhou, Guangdong, P.R.China.
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