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標題: Detection of haplotype mutations of the MD-2 gene promoter associated with Der p2-induced allergy using a nanostructured biosensor
作者: Wang, Gou-Jen
Chin, Yu-Ting
Liao, En-Chih
Tsai, Jaw-Ji
Wu, Chia-Che
關鍵字: MD-2 gene promoter;electrochemical impedance spectroscopy;haplotype mutation detection;nanostructured biosensor;Allergens;Biosensing Techniques;DNA Mutational Analysis;DNA Probes;Dielectric Spectroscopy;Gold;Haplotypes;Humans;Hypersensitivity;Lymphocyte Antigen 96;Nanomedicine;Nanotechnology;Polymorphism, Single Nucleotide;Promoter Regions, Genetic;Antigens, Dermatophagoides;Arthropod Proteins;Metal Nanoparticles;Mutation
Project: International Journal of Nanomedicine, Volume 9, Page(s) 1403.
Group 2 allergens (Der p2) have been reported to be a major cause of the human immune response to dust mite allergens. In this study, we have demonstrated for the first time the effective differentiation between haplotype mutation and normal genes in the MD-2 gene promoter using a nanostructured biosensor. A 70-mer gene fragment containing the haplotype of two single nucleotide polymorphisms in the MD-2 gene promoter region was used as a probe to detect haplotype mutations associated with Der p2-induced allergy. Discrimination was achieved using electrochemical impedance spectroscopy. The discrimination experiments employed 30 haplotype mutation samples and 30 normal target samples. The haplotype mutation samples and normal target samples could be clearly discriminated, even using samples produced by a five-cycle polymerase chain reaction process. The time and cost of sample preparation for the polymerase chain reaction process in the clinical setting can thus be reduced.
ISSN: 1178-2013
DOI: 10.2147/IJN.S59151
Appears in Collections:機械工程學系所

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