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Gene expression profiling in paired normal, apparently normal and breast tumour tissues

ABSTRACT: Gene expression profiling in paired normal, apparently normal and breast tumour tissues

PROVIDER: PRJNA578125 | ENA |

REPOSITORIES: ENA

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Gene expression profiling in paired normal, apparently normal and breast tumour tissues

Project description:The main objective of the study was to identify potential diagnostic and follow up markers along with therapeutic targets for breast cancer. We performed gene expression studies using the microarray technology on 65 samples including 41 breast tumours [24 early stage, 17 locally advanced, 18 adjacent normal tissue [paired normal] and 6 apparently normal from breasts which had been operated for non-malignant conditions. All the samples had frozen section done – tumours needed to have 70% or more tumour cells; paired normal and apparently normal had to be morphologically normal with no tumour cells.

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Gene expression studies in apparently normal, paired normal and malignant gastric tissues

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Expression data from human breast tumors and their paired normal tissues

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Paired Breast Adenocarcinoma and Adjacent Normal tissue

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Differential protein expression between ESCC and normal tissues

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Transcription profiling of human breast tumors and their paired normal tissues

Project description:Microarray is widely used to monitor gene expression changes in breast cancer. The transcriptomic changes in breast cancer is commonly occured during the transition of normal cells to cancerous cells. This is the first study on gene expression profiling of multi ethnic of Malaysian breast cancer patients (Malays, Chinese and Indian). We aim to identify differentially expressed genes between tumors and normal tissues. We have identified a set of 33 significant differentially expressed genes in the tumor vs. normal group at p<0.001. We study the gene expression patterns of 43 breast tumors and their paired normal control by using Affymetrix genechip U133A. We have identified a set of 33 significant differentially expressed genes in the tumor vs. normal group at p<0.001. Experiment Overall Design: Total RNAs were extracted from breast cancer and normal tissues. Samples were processed and hybridized on the chip for 16 hours. At the end of the study, we obtained a total of 86 set of gene expression data, which were from 43 tumors and 43 normal tissues. The gene expression were then compared between the tumor and normal groups.

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