Fig. 3From: Atf4 regulates angiogenic differences between alveolar bone and long bone macrophages by regulating M1 polarization, based on single-cell RNA sequencing, RNA-seq and ATAC-seq analysisCell–cell interactions among different cell types in ABM. A Heatmap of the cell–cell interactions. B Network diagram of the cell–cell interactions of different cell types in ABM. C Visualization of the selected ligand–receptor interactions between macrophages, MSCs, ECs. ABM alveolar bone marrow, MSC mesenchymal stem cell, EC endothelial cellBack to article page