TGFB1 and neoplasm: They were observed in the periglandular region in KrasLSL-G12D/+;Trp53LSL-R172H/+;Pdx1-Cre (KPC) mouse tumours with immunofluorescence and single-cell transcriptome analysis revealed upregulation of TGFβ and ACTA2 response genes (CTGF and COL1A1).