18F-FDG PET imaging for identifying the dynamics of intestinal disease caused by SFTSV infection in a mouse model

Daisuke Hayasaka, Kodai Nishi, Takeshi Fuchigami, Kazuya Shiogama, Takanori Onouchi, Satoshi Shimada, Yutaka Tsutsumi, Kouichi Morita

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Severe fever with thrombocytopenia syndrome (SFTS) is an emerging disease that causes fever, enteritis, thrombocytopenia, and leucopenia and can be fatal in up to 30% of cases. However, the mechanism of severe disease is not fully understood. Molecular imaging approaches, such as positron-emission tomography (PET), are functional in vivo imaging techniques that provide real-time dynamics of disease progression, assessments of pharmacokinetics, and diagnoses for disease progression. Molecular imaging also potentially provides useful approaches to explore the pathogenesis of viral infections. Thus, the purpose of this study was to image the pathological features of SFTSV infection in vivo by PET imaging. In a mouse model, we showed that 18F-FDG accumulations clearly identified the intestinal tract site as a pathological site. We also demonstrated that 18F-FDG PET imaging can assess disease progression and response to antiserum therapy within the same individual. This is the first report demonstrating a molecular imaging strategy for SFTSV infection. Our results provide potentially useful information for preclinical studies such as the elucidation of the mechanism of SFTSV infection in vivo and the assessment of drugs for SFTS treatment.

Original languageEnglish
Pages (from-to)140-147
Number of pages8
JournalOncotarget
Volume7
Issue number1
DOIs
Publication statusPublished - 01-01-2016

All Science Journal Classification (ASJC) codes

  • Oncology

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