Tumorigenesis and Neoplastic Progression Plexin-B 1 and Semaphorin 4 D Cooperate to Promote Perineural Invasion in a RhoA / ROK-Dependent Manner

From the Department of Oncology and Diagnostic Sciences,* University of Maryland Dental School, Baltimore, Maryland; the Department of Oral, Basic, and Clinical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia; the Department of Sports Science, University of Palermo, Palermo, Italy; the Department of Diagnostic and Surgical Sciences, University of California at Los Angeles, School of Dentistry, Los Angeles, California; the Health Science Program, the Department of Dentistry, and the Health Science Program,! the Department of Medicine, State University of Montes Claros, Minas Gerais, Brazil; the Department of Oral and Maxillofacial Pathology, Boston University Goldman School of Dental Medicine, Boston, Massachusetts; and the Marlene and Stuart Greenebaum Cancer Center, Baltimore, Maryland