DDIT4 and neoplasm: To investigate the role of GPCRRS in the tumor microenvironment (TME) at the single-cell transcriptome level, we analyzed the expression patterns of CCL20, DDIT4, GPX3, BEX5, AKAP12, DSG2, SERPINH1, LDHA, DNAJB4, and DOCK4 in different cell types (Figure 9A).