Spatial transcriptomics & Cell-to-cell communication ------------------------ - Spatial transcriptomics + Probes on slide + PDAC + CNV inference from scRNAseq to identify tumor cells + H&E staining + Integration of spatial and scRNAseq with MIA (hypergeometric test) + Parameter sweep + MIA maps of PDAC + Infammatory fibroblast signal in cancer regions + Sub-clustering / sub-regioning + Stress response predicted to derive from fibroblasts in cancer regions + Spots encompass dozens of cells - Cell-to-cell communication + Types of cell signaling events + Downstream consequences of signaling + Goal of Cell-to-cell interaction analysis: + What cells are interacting? + How are they interacting? + What are the consequences of the interactions? + CCC in kidney development + Kumar et al Cell Reports 2018 + ID interactions that correlate with tumor growth + SingleCellSignalR (Cabello-Aguilar et al 2020) ----