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Sensors 2012, 12(5), 5572-5585; doi:10.3390/s120505572

A Novel “Reactomics” Approach for Cancer Diagnostics

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Received: 3 February 2012 / Revised: 30 March 2012 / Accepted: 23 April 2012 / Published: 2 May 2012
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Abstract: Non-invasive detection and monitoring of lethal diseases, such as cancer, are considered as effective factors in treatment and survival. We describe a new disease diagnostic approach, denoted reactomics”, based upon reactions between blood sera and an array of vesicles comprising different lipids and polydiacetylene (PDA), a chromatic polymer. We show that reactions between sera and such a lipid/PDA vesicle array produce chromatic patterns which depend both upon the sera composition as well as the specific lipid constituents within the vesicles. The chromatic patterns were processed through machine-learning algorithms, and the bioinformatics analysis could distinguish both between cancer-bearing and healthy patients, respectively, as well between two types of cancers. Size-separation and enzymatic digestion experiments indicate that lipoproteins are the primary components in sera which react with the chromatic biomimetic vesicles. This colorimetric reactomics concept is highly generic, robust, and does not require a priori knowledge upon specific disease markers in sera. Therefore, it could be employed as complementary or alternative approach for disease diagnostics.
Keywords: biomarker; cancer; serum; polydiacetylene; diagnostics; bioinformatics biomarker; cancer; serum; polydiacetylene; diagnostics; bioinformatics
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kolusheva, S.; Yossef, R.; Kugel, A.; Hanin-Avraham, N.; Cohen, M.; Rubin, E.; Porgador, A. A Novel “Reactomics” Approach for Cancer Diagnostics. Sensors 2012, 12, 5572-5585.

AMA Style

Kolusheva S, Yossef R, Kugel A, Hanin-Avraham N, Cohen M, Rubin E, Porgador A. A Novel “Reactomics” Approach for Cancer Diagnostics. Sensors. 2012; 12(5):5572-5585.

Chicago/Turabian Style

Kolusheva, Sofiya; Yossef, Rami; Kugel, Aleksandra; Hanin-Avraham, Nirit; Cohen, Meital; Rubin, Eitan; Porgador, Angel. 2012. "A Novel “Reactomics” Approach for Cancer Diagnostics." Sensors 12, no. 5: 5572-5585.

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