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Highly sensitive and universal detection strategy based on a colorimetric assay using target-specific heterogeneous sandwich DNA aptamer
A simple, universal, and sensitive colorimetric biosensor for detecting of various biomarkers was devised using a target-specific DNA aptamer, as the recognition element, and engineered with streptavidin-fusion replication protein A 70 kDa (RPA70A) linked to biotin-horseradish peroxidase, as the col...
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Published in: | Analytica chimica acta 2020-08, Vol.1123, p.73-80 |
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description | A simple, universal, and sensitive colorimetric biosensor for detecting of various biomarkers was devised using a target-specific DNA aptamer, as the recognition element, and engineered with streptavidin-fusion replication protein A 70 kDa (RPA70A) linked to biotin-horseradish peroxidase, as the colorimetric element. To improve sensitivity and stability compared to other colorimetric sensing platforms, we developed a novel detection strategy by integrating a newly selected heterogeneous sandwich DNA aptamer and protein engineering in this study. The proposed method is based on a change in color from colorless to blue due to the interaction of the aptamer with RPA70A in the presence of the target; this color change could be observed by the naked eye or measured with a UV–vis spectrometer. We confirmed its high sensitivity and specificity for two model targets using their aptamers under optimal experimental conditions. In addition, the feasibility of the assay was investigated in clinical samples containing NPs of influenza A or B virus. These results suggest that our detection system developed herein can be universally applied to the diagnosis of various diseases owing to its stability, sensitivity, and specificity.
[Display omitted]
•We newly selected heterogeneous sandwich-type DNA aptamers specific for influenza B virus NP.•Our detection platform improves the sensing efficiency of colorimetric assy via protein engineering.•Long-term colorimetric reagent (STA-RPA70A@biotin-HRP) storage can be achieved through lyophilization.•STA-RPA70A@biotin-HRP can be combined with the aptamer at higher yields by increasing the aptamer length.•This method is universally useful in heterogeneous sandwich-type immunosensors for detecting various biomarkers. |
doi_str_mv | 10.1016/j.aca.2020.05.012 |
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[Display omitted]
•We newly selected heterogeneous sandwich-type DNA aptamers specific for influenza B virus NP.•Our detection platform improves the sensing efficiency of colorimetric assy via protein engineering.•Long-term colorimetric reagent (STA-RPA70A@biotin-HRP) storage can be achieved through lyophilization.•STA-RPA70A@biotin-HRP can be combined with the aptamer at higher yields by increasing the aptamer length.•This method is universally useful in heterogeneous sandwich-type immunosensors for detecting various biomarkers.</description><identifier>ISSN: 0003-2670</identifier><identifier>EISSN: 1873-4324</identifier><identifier>DOI: 10.1016/j.aca.2020.05.012</identifier><identifier>PMID: 32507242</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Aptamer ; Aptamers, Nucleotide - chemistry ; Biomarkers - analysis ; Biosensing Techniques ; Colorimetric assay ; Colorimetry ; Heterogeneous sandwich ; Influenza B virus - chemistry ; Nucleoproteins - analysis ; Protein Engineering ; Replication protein A ; Universal detection</subject><ispartof>Analytica chimica acta, 2020-08, Vol.1123, p.73-80</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-273f424f0eb4d28cd3d8bf60936adaad1fbc5e6a9565db652d6a00388ac70fcf3</citedby><cites>FETCH-LOGICAL-c353t-273f424f0eb4d28cd3d8bf60936adaad1fbc5e6a9565db652d6a00388ac70fcf3</cites><orcidid>0000-0002-7750-1554 ; 0000-0002-3525-0048</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32507242$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kang, Juyoung</creatorcontrib><creatorcontrib>Yeom, Gyuho</creatorcontrib><creatorcontrib>Jang, Hyungjun</creatorcontrib><creatorcontrib>Park, Chin-Ju</creatorcontrib><creatorcontrib>Kim, Min-Gon</creatorcontrib><title>Highly sensitive and universal detection strategy based on a colorimetric assay using target-specific heterogeneous sandwich DNA aptamer</title><title>Analytica chimica acta</title><addtitle>Anal Chim Acta</addtitle><description>A simple, universal, and sensitive colorimetric biosensor for detecting of various biomarkers was devised using a target-specific DNA aptamer, as the recognition element, and engineered with streptavidin-fusion replication protein A 70 kDa (RPA70A) linked to biotin-horseradish peroxidase, as the colorimetric element. To improve sensitivity and stability compared to other colorimetric sensing platforms, we developed a novel detection strategy by integrating a newly selected heterogeneous sandwich DNA aptamer and protein engineering in this study. The proposed method is based on a change in color from colorless to blue due to the interaction of the aptamer with RPA70A in the presence of the target; this color change could be observed by the naked eye or measured with a UV–vis spectrometer. We confirmed its high sensitivity and specificity for two model targets using their aptamers under optimal experimental conditions. In addition, the feasibility of the assay was investigated in clinical samples containing NPs of influenza A or B virus. These results suggest that our detection system developed herein can be universally applied to the diagnosis of various diseases owing to its stability, sensitivity, and specificity.
[Display omitted]
•We newly selected heterogeneous sandwich-type DNA aptamers specific for influenza B virus NP.•Our detection platform improves the sensing efficiency of colorimetric assy via protein engineering.•Long-term colorimetric reagent (STA-RPA70A@biotin-HRP) storage can be achieved through lyophilization.•STA-RPA70A@biotin-HRP can be combined with the aptamer at higher yields by increasing the aptamer length.•This method is universally useful in heterogeneous sandwich-type immunosensors for detecting various biomarkers.</description><subject>Aptamer</subject><subject>Aptamers, Nucleotide - chemistry</subject><subject>Biomarkers - analysis</subject><subject>Biosensing Techniques</subject><subject>Colorimetric assay</subject><subject>Colorimetry</subject><subject>Heterogeneous sandwich</subject><subject>Influenza B virus - chemistry</subject><subject>Nucleoproteins - analysis</subject><subject>Protein Engineering</subject><subject>Replication protein A</subject><subject>Universal detection</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UU2P1DAMjRCIHRZ-ABeUI5cWJ-nXiNNqF1ikFVzgHLmJ28mo0w5xumj-AT-bLLNw5BTHfn623xPitYJSgWre7Ut0WGrQUEJdgtJPxEZ1rSkqo6unYgMAptBNCxfiBfM-f7WC6rm4MLqGVld6I37dhnE3nSTTzCGFe5I4e7nOOYqMk_SUyKWwzJJTxETjSfbI5GXOoHTLtMRwoBSDk8iMJ7lymEeZMI6UCj6SC0Ou7TJNXEaaaVlZcp7xM7idvPlyJfGY8EDxpXg24MT06vG9FN8_fvh2fVvcff30-frqrnCmNqnQrRkqXQ1AfeV157zxXT80sDUNekSvht7V1OC2bmrfN7X2DWYVug5dC4MbzKV4e-Y9xuXHSpzsIbCjacI_u1ldKWih1t02Q9UZ6uLCHGmwx3wsxpNVYB8MsHubDbAPBliobTYg97x5pF_7A_l_HX8Vz4D3ZwDlI-8DRcsu0OzIh5iVtn4J_6H_DVL6mY0</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Kang, Juyoung</creator><creator>Yeom, Gyuho</creator><creator>Jang, Hyungjun</creator><creator>Park, Chin-Ju</creator><creator>Kim, Min-Gon</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-7750-1554</orcidid><orcidid>https://orcid.org/0000-0002-3525-0048</orcidid></search><sort><creationdate>20200801</creationdate><title>Highly sensitive and universal detection strategy based on a colorimetric assay using target-specific heterogeneous sandwich DNA aptamer</title><author>Kang, Juyoung ; Yeom, Gyuho ; Jang, Hyungjun ; Park, Chin-Ju ; Kim, Min-Gon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-273f424f0eb4d28cd3d8bf60936adaad1fbc5e6a9565db652d6a00388ac70fcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aptamer</topic><topic>Aptamers, Nucleotide - chemistry</topic><topic>Biomarkers - analysis</topic><topic>Biosensing Techniques</topic><topic>Colorimetric assay</topic><topic>Colorimetry</topic><topic>Heterogeneous sandwich</topic><topic>Influenza B virus - chemistry</topic><topic>Nucleoproteins - analysis</topic><topic>Protein Engineering</topic><topic>Replication protein A</topic><topic>Universal detection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kang, Juyoung</creatorcontrib><creatorcontrib>Yeom, Gyuho</creatorcontrib><creatorcontrib>Jang, Hyungjun</creatorcontrib><creatorcontrib>Park, Chin-Ju</creatorcontrib><creatorcontrib>Kim, Min-Gon</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kang, Juyoung</au><au>Yeom, Gyuho</au><au>Jang, Hyungjun</au><au>Park, Chin-Ju</au><au>Kim, Min-Gon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly sensitive and universal detection strategy based on a colorimetric assay using target-specific heterogeneous sandwich DNA aptamer</atitle><jtitle>Analytica chimica acta</jtitle><addtitle>Anal Chim Acta</addtitle><date>2020-08-01</date><risdate>2020</risdate><volume>1123</volume><spage>73</spage><epage>80</epage><pages>73-80</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><abstract>A simple, universal, and sensitive colorimetric biosensor for detecting of various biomarkers was devised using a target-specific DNA aptamer, as the recognition element, and engineered with streptavidin-fusion replication protein A 70 kDa (RPA70A) linked to biotin-horseradish peroxidase, as the colorimetric element. To improve sensitivity and stability compared to other colorimetric sensing platforms, we developed a novel detection strategy by integrating a newly selected heterogeneous sandwich DNA aptamer and protein engineering in this study. The proposed method is based on a change in color from colorless to blue due to the interaction of the aptamer with RPA70A in the presence of the target; this color change could be observed by the naked eye or measured with a UV–vis spectrometer. We confirmed its high sensitivity and specificity for two model targets using their aptamers under optimal experimental conditions. In addition, the feasibility of the assay was investigated in clinical samples containing NPs of influenza A or B virus. These results suggest that our detection system developed herein can be universally applied to the diagnosis of various diseases owing to its stability, sensitivity, and specificity.
[Display omitted]
•We newly selected heterogeneous sandwich-type DNA aptamers specific for influenza B virus NP.•Our detection platform improves the sensing efficiency of colorimetric assy via protein engineering.•Long-term colorimetric reagent (STA-RPA70A@biotin-HRP) storage can be achieved through lyophilization.•STA-RPA70A@biotin-HRP can be combined with the aptamer at higher yields by increasing the aptamer length.•This method is universally useful in heterogeneous sandwich-type immunosensors for detecting various biomarkers.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>32507242</pmid><doi>10.1016/j.aca.2020.05.012</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-7750-1554</orcidid><orcidid>https://orcid.org/0000-0002-3525-0048</orcidid></addata></record> |
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subjects | Aptamer Aptamers, Nucleotide - chemistry Biomarkers - analysis Biosensing Techniques Colorimetric assay Colorimetry Heterogeneous sandwich Influenza B virus - chemistry Nucleoproteins - analysis Protein Engineering Replication protein A Universal detection |
title | Highly sensitive and universal detection strategy based on a colorimetric assay using target-specific heterogeneous sandwich DNA aptamer |
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