학술논문

Development of a Corticosteroid-Immunosuppressed Mouse Model to Study the Pathogenesis and Therapy of Influenza-Associated Pulmonary Aspergillosis.
Document Type
Article
Source
Journal of Infectious Diseases. Apr2023, Vol. 227 Issue 7, p901-906. 6p.
Subject
*PULMONARY aspergillosis
*LABORATORY mice
*ANIMAL disease models
*ASPERGILLOSIS
*AMPHOTERICIN B
*PATHOGENESIS
Language
ISSN
0022-1899
Abstract
Influenza-associated pulmonary aspergillosis (IAPA) is a feared complication in patients with influenza tracheobronchitis, especially those receiving corticosteroids. Herein, we established a novel IAPA mouse model with low-inoculum Aspergillus infection and compared outcomes in mice with and without cortisone acetate (CA) immunosuppression. CA was an independent predictor of increased morbidity/mortality in mice with IAPA. Early antifungal treatment with liposomal amphotericin B was pivotal to improve IAPA outcomes in CA-immunosuppressed mice, even after prior antiviral therapy with oseltamivir. In summary, our model recapitulates key clinical features of IAPA and provides a robust preclinical platform to study the pathogenesis and treatment of IAPA. [ABSTRACT FROM AUTHOR]