PDPN and squamous cell carcinoma: Kunita et al. [38] report that IFNγ/STAT1 stimulated the expression of cell surface protein podoplanin (PDPN), a potent inducer of cancer cell invasion, in the invasive front of squamous cell carcinomas (SCCs) of the cervix in patients and in the transgenic human papillomavirus/estrogen mouse model of cervical cancer.