The book explores the role of miRNAs in the development, progression, invasion, and metastasis of diverse types of cancer. It reviews their potential for applications in cancer diagnosis, prognosis, and therapeutic targets. In addition it discusses the potential use in translational medicine. Chapters present comprehensive and expert perspectives on the roles of miRNAs in most common cancers from bench to bedside applications and are written by an international team of renowned experts in the field. This book is a landmark work providing up-to-date research on miRNAs and their important roles in cancer translational research.