Ex-Vivo/in-Vitro Anti-polyethylene Glycol (PEG) Immunoglobulin M Production from Murine Splenic B Cells Stimulated by PEGylated Liposome
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- Abu Lila Amr Selim
- Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University
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- Ichihara Masako
- Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima
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- Shimizu Taro
- Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima
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- Ishida Tatsuhiro
- Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima
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- Kiwada Hiroshi
- Department of Pharmacokinetics and Biopharmaceutics, Subdivision of Biopharmaceutical Sciences, Institute of Health Biosciences, The University of Tokushima
書誌事項
- タイトル別名
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- <i>Ex-Vivo</i>/<i>in-Vitro</i> Anti-polyethylene Glycol (PEG) Immunoglobulin M Production from Murine Splenic B Cells Stimulated by PEGylated Liposome
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We have reported that PEGylated liposomes lose their long-circulating properties when injected twice into the same animal within a certain interval (the accelerated blood clearance (ABC) phenomenon). We assumed that this phenomenon was triggered via the abundant secretion of anti-polyethylene glycol (PEG) immunoglobulin M (IgM) in response to the first dose of PEGylated liposomes and that the spleen played an important role in the production of anti-PEG IgM. However, no direct evidence has yet confirmed this suspicion. In the current study, we verified, both in vitro and ex vivo, that spleen cells are indeed responsible for the production of anti-PEG IgM in response to PEGylated liposomes. In this study, spleen cells obtained from either naïve mice or mice pre-treated with PEGylated liposomes induced the production of anti-PEG IgM in a dose- and time-dependent manner, upon incubation with PEGylated liposomes. In addition, we confirmed that among the different fractions of splenic B cells, IgM-positive B cells, rather than CD45R-positive or CD19-positive splenic B cells, which are presumed to be the marginal zone B (MZB) cells, are the major cells producing anti-PEG IgM in the response to stimulation by PEGylated liposomes. These results may provide new insights into the mechanisms underlying the anti-PEG IgM production in response to the stimulation by PEGylated liposomes.
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 36 (11), 1842-1848, 2013
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204634341376
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- NII論文ID
- 130003382051
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- NII書誌ID
- AA10885497
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- COI
- 1:STN:280:DC%2BC2c7ivFymtA%3D%3D
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 024957878
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- PubMed
- 24189428
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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