Review the use of gene expression data in the study of a specified human disease.

the chosen disease u r requiring to do the study about is diabetes type 2
1. Briefly describe the background to the disease. (500 words).
2. Describe the range of gene expression methods used to investigate the disease (1000 words).
3. Critically review how the gene expression data has contributed to a better understanding of the mechanism and aetiology of the disease (1000 words).
4. Evaluate how investigative gene expression data/approaches have improved the treatment and management of the specified human disease (500 words).