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Amplified and selective assay of collagens by enzymatic and fluorescent reactions


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タイトル: Amplified and selective assay of collagens by enzymatic and fluorescent reactions
著者: Yasmin, Hasina / Kabashima, Tsutomu / Rahman, Mohammed Shafikur / Shibata, Takayuki / Kai, Masaaki
発行日: 2014年 5月13日
出版者: Nature Publishing Group
引用: Scientific Reports, 4, 4950; 2014
抄録: Sensitive and selective assay of collagen is of substantial importance to the diagnostic study of health- and aging-related failures. In this paper, we describe a highly specific and sensitive method for the assay of whole collagens in biological samples using a novel fluorogenic reagent, 3,4- dihydroxyphenylacetic acid (3,4-DHPAA). The 3,4-DHPAA reagent can selectively detectN-terminal Gly-containing peptides (NGPs) in the presence of sodium borate and NaIO4. Under conditions optimized, this assay format for collagen, termed 3,4-DHPAA assay method showed a good linear relationship between the amplified FL signals and the collagen concentrations from 0.18 to 12 μg/ml. Therefore the sensitive determination of intracellular collagens in cheek tissue and HeLa cells was individually possible without any separation protocol. The dual recognitions of the collagens in the samples could be performed by the enzymatic digestion and the FL reaction. The proposed assay method enables the determination facile, specific, sensitive and quantitative for biogenic collagens.
URI: http://hdl.handle.net/10069/34506
DOI: 10.1038/srep04950
権利: This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. The images in this article are included in the article's Creative Commons license, unless indicated otherwise in the image credit; if the image is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the image. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:050 学術雑誌論文

引用URI : http://hdl.handle.net/10069/34506

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