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PET imaging of apoptosis in tumor-bearing mice and rabbits after paclitaxel treatment with (18)F(-)Labeled recombinant human His10-annexin V.
https://repo.qst.go.jp/records/47059
https://repo.qst.go.jp/records/47059a16e8848-00a0-4d0d-9e6c-9975a72a6c6a
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-03-25 | |||||
タイトル | ||||||
タイトル | PET imaging of apoptosis in tumor-bearing mice and rabbits after paclitaxel treatment with (18)F(-)Labeled recombinant human His10-annexin V. | |||||
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 |
Qin, Haidong
× Qin, Haidong× Zhang, Ming-Rong× Xie, Lin× Hou, Yanjie× Hua, Zichun× Hu, Minjin× Wang, Zizheng× Wang, Feng× 張 明栄× 謝 琳 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Monitoring response to chemo- or radiotherapy is of great importance in clinical practice. Apoptosis imaging serves as a very useful tool for the early evaluation of tumor response. The goal of this study was PET imaging of apoptosis with (18)F-labeled recombinant human annexin V linked with 10 histidine tag ((18)F-rh-His10-annexin V) in nude mice bearing an A549 tumor and rabbits bearing a VX2 lung cancer after paclitaxel therapy. (18)F-rh-His10-annexin V was prepared by conjugation of rh-His10-annexin V with N-succinimidyl 4-[(18)F]fluorobenzoate. Biodistribution was determined in mice by the dissection method and small-animal PET. Single-dose paclitaxel (175 mg/m(2)) was used to induce apoptosis in A549 and VX2 tumor models. (18)F-rh-His10-annexin V was injected into A549 mice and VX rabbits to acquire dynamic and static PET images 72 h after paclitaxel treatment. The uptake of (18)F-rh-His10-annexin V in apoptotic cells 4 h after induction was 6.45±0.52 fold higher than that in non-induced cells. High focal uptake of (18)F-rh-His10-annexin V was visualized in A549 (SUVmax: 0.35±0.13) and VX2 (0.41±0.23) tumor models after paclitaxel treatment, whereas lower uptake was found in the corresponding tumors before treatment (A549 SUVmax: 0.04±0.02; VX2: 0.009±0.002). The apoptotic index was 75.61±11.56% in the treated VX2 cancer, much higher than that in the untreated VX2 (8.03±2.81%). This study demonstrated the feasibility of (18)F-rh-His10-annexin V for the detection of apoptosis after chemotherapy in A549 and VX2 tumor models. | |||||
書誌情報 |
American journal of nuclear medicine and molecular imaging 巻 5, 号 1, p. 27-37, 発行日 2014-12 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | ISSN:2160-8407/ajnmmi0001546 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 25625024 |