Spatial Transcriptomics in Cancer Research: Methods and Applications

Abstract : Spatial transcriptomics, which deals with tissue architecture in genetic investigation, is an innovative technique for examining cell heterogeneity and tissue organization. This review emphasizes major approaches, include spatially resolved transcriptome methods, immunohistochemistry as well as in situ hybridization, all of which permit the mapping of RNA molecules in their native tissue environment. These methods have proven essential in achieving our understanding of biological events such as tumor evolution, progression of cancer, and cancer tumor stem cell detection. Spatial transcriptomics, the study of patterns of gene expression in space, reveals the intricate nature of the tumor microenvironment (TME) and its effect on cancer biology. Although it delivers insight on the cellular connections that underlie disease, the significance of spatial transcriptomics in multiple organs has expanded. Although its immense potential, there are still difficulties to be conquered, particularly within the areas of analysis of data, spatial resolution, and integration with other omics data. To be able to fully comprehend the complexities of tissues biology and ailments, this review additionally tackles future potential avenues, including the necessity for greater multiplexing, enhanced resolution, and the combination of functional genomics. With this synthesis, we intend provide an extensive summary of the state of spatial transcriptomics currently and demonstrate that it possesses the potential to improve precision medicine, cancer research, and our understanding of broader biology.