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lüll Microarray-based expression profiling of normal and malignant immune cells Medh RDEndocr Rev 2002[Jun]; 23 (3): 393-400Recent advances in gene microarray technology have facilitated global analyses of gene expression profiles in normal and malignant immune cells. Great strides have been made in our understanding of molecular differences among various types of immune cells, the process of T and B cell activation, and the genomic changes that convert normal cells to malignant ones. Genomic analysis has become a crucial aspect of cancer classification, diagnosis, therapy, and prognosis. This technology has the potential to reveal the comprehensive transcriptional alterations that dictate fundamental biological processes such as signal transduction in response to specific stimuli, cell growth, differentiation, and apoptosis. While reaping the benefits of genomic analyses, it is important to realize its limitations with respect to accuracy of interpretation, reproducibility, and signal detection. It is crucial to optimize signals for individual probe-target pairs and to develop a uniform set of criteria for data analyses. The development of a public-access database of results from individual laboratories will pave the way for identifying discrepancies and advancing scientific breakthroughs.|*Oligonucleotide Array Sequence Analysis[MESH]|Gene Expression Profiling/*methods[MESH]|Humans[MESH]|Neoplasms/diagnosis/*genetics/*immunology/pathology[MESH]|Reference Values[MESH] |