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Sensors 2005, 5(4), 250-257; doi:10.3390/s5040259

Protein Arrays for Multidrug-resistance in Human Leukemia Cell Determination

1, 1,* , 2, 3, 1, 1 and 2
1 Department of Hematology, Institute of MDS, Zhongda Hospital, Southeast University Medical College, 87 Dingjia Bridge Hunan Road, Nanjing, 210009, PR China 2 National Laboratory for Molecular and Biomolecular Electronics (Jian-Xiong Wu Laboratory), Southeast University, Nanjing, 210096, PR China 3 Department of Chemistry, Changshu College of Jiangsu, Changshu, 215500, PR China
* Author to whom correspondence should be addressed.
Received: 21 May 2004 / Accepted: 11 November 2004 / Published: 3 May 2005
(This article belongs to the Special Issue Papers presented at I3S2004, Nanjing)
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A novel technique was developed, that was high throughput simultaneousscreening of multiple resistance protein expression based on a protein array system. Themethod combined the advantage of the specificity of enzyme-linked immunosorbentassays with the sensitivity and high throughput of microspot. In this system, the multipleresistance protein arrays were created by spotting the captured antibodies onto the glassslide. The arrays were then incubated with cell samples of leukemia patients. The boundproteins were recognized by biotin-conjugated antibodies and detected by CCD.Experiments demonstrated that three multiple resistance proteins, including Pgp, MRPand BCRP which are members of the ATP-binding-cassette (ABC) superfamily ofmembrane transporters could be simultaneously detected using this new approach.Research work shows the result is coincident with flow cytometry (FCM) (P>0.01). Itprovided a methodology to develop many high-density protein array systems to detect avariety of proteins. The protein arrays will provide a powerful tool to identify theleukemia cell protein expression and rapidly validate their MDR determination.
Keywords: MDR; leukemia cell; P-gp; MRP1; BCRP; protein arrays. MDR; leukemia cell; P-gp; MRP1; BCRP; protein arrays.
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Du, J.; Chen, B.; Zhang, C.; Xu, X.; Cheng, J.; Gao, F.; Lu, Z. Protein Arrays for Multidrug-resistance in Human Leukemia Cell Determination. Sensors 2005, 5, 250-257.

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