Intercellular contact augments epidermal growth factor receptor (EGFR) and signal transducer and activator of transcription 3 (STAT3)-activation which increases podoplanin-expression in order to promote squamous cell carcinoma motility (細胞間接着依存性のEGF受容体-STAT3活性化はポドプラニン発現誘導を介して有棘細胞癌由来細胞株の運動性を亢進する)