PD-1 blockage delays murine squamous cell carcinoma development

Department of Biological Sciences and 1Department of Stomatology, Bauru School of Dentistry – University of Sao Paulo, Al. Octavio Pinheiro Brisolla, 9–75 – CEP, Bauru, Sao Paulo 17012–901, Brazil, 2Department of Pathology, Medical School, University of Michigan, Ann Arbor, MI 48109, USA and 3Department of Biochemistry and Immunology, School of Medicine of Ribeirao Preto – University of Sao Paulo, Ribeirao Preto, Sao Paulo 14049-900, Brazil