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Comparison of L- and D-Amino Acids for Bacterial Imaging in Lung Infection Mouse Model
https://repo.qst.go.jp/records/85319
https://repo.qst.go.jp/records/853199284b1d1-4e57-4e3a-89e4-86b5cd395db2
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-02-25 | |||||
タイトル | ||||||
タイトル | Comparison of L- and D-Amino Acids for Bacterial Imaging in Lung Infection Mouse Model | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Muranaka, Yuka
× Muranaka, Yuka× Mizutani, Asuka× Nakamoto, Koya× Matsue, Miki× Nishi, Kodai× Yamazaki, Kana× Ryuichi, Nishii× Shikano, Naoto× Okamoto, Shigefumi× Kawai, Keiichi× Kana, Yamazaki× Ryuichi, Nishii |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effectiveness of L- and D-amino acids for detecting the early stage of infection in bacterial imaging was compared. We evaluated the accumulation of 3H-L-methionine (Met), 3H-D-Met, 3H-L-alanine (Ala), and 3H-D-Ala in E. coli EC-14 and HaCaT cells. Biological distribution was assessed in control and lung-infection-model mice with EC-14 using 3H-L- and D-Met, and 18F-FDG. A maximum accumulation of 3H-L- and D-Met, and 3H-L- and D-Ala occurred in the growth phase of EC-14 in vitro. The accumulation of 3H-L-Met and L-Ala was greater than that of 3H-D-Met and D-Ala in both EC-14 and HaCaT cells. For all radiotracers, the accumulation was greater in EC-14 than in HaCaT cells at early time points. The accumulation was identified at 5 min after injection in EC-14, whereas the accumulation gradually increased in HaCaT cells over time. There was little difference in biodistribution between 3H-L-and D-Met except in the brain. 3H-L- and D-Met were sensitive for detecting areas of infection after the spread of bacteria throughout the body, whereas 18F-FDG mainly detected primary infection areas. Therefore, 11C-L- and D-Met, radioisotopes that differ only in terms of 3H labeling, could be superior to 18F-FDG for detecting bacterial infection in lung-infection-model mice. | |||||
書誌情報 |
International Journal of Molecular Sciences 巻 23, 号 5, p. 2467, 発行日 2022-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1422-0067 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 35269610 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/ijms23052467 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.mdpi.com/1422-0067/23/5/2467 |