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A REVIEW OF GENE EXPRESSION ANALYSIS ON MICROARRAY DATASETS OF BREAST CELLS USING R LANGUAGE

Journal: JOURNAL OF COMPUTER ENGINEERING & TECHNOLOGY (JCET) (Vol.8, No. 6)

Publication Date:

Authors : ; ;

Page : 36-44

Keywords : Gene Expression; Hybridization; Quantile Normalization; Nucleotides; Microarray; Estrogen;

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Abstract

The capability of Affymetrix microarrays in genomics applications allows us to sense and investigate complex data. Using the obtainable techniques on Affymetrix microarray data we analyze diverse changes in genes of breast cancer cells in the effect of estrogen on them. By observance our spotlight on expression arrays, we also do processing like quality assessment and normalization. Hybridization computes of given trial data we explore the fundamental analysis issues for Affymetrix Genechips using which we assess gene expression using several perfect matches and mismatch probes determined in the different regions of the transcript. The Summarization and Normalization of the Affymetrix data are completed using Quantile Normalization and after that data is processed using the RMA. M-A plots which are a way of identifying the data whether it is normalized or not is applied. Affymetrix microarrays are a viable platform offered for wide sort of genomics applications resembling gene expression profiling, SNP genotyping, Chip-Chip analysis in diverse class. Affymetrix differs from other array technologies, because of the use of numerous short (25 mer) probes to measure hybridization.

Last modified: 2018-09-17 16:21:26