The book investigates the complex molecular mechanisms underlying cell differentiation, contrasting normal biological processes with those observed in malignant transformations. It examines how gene expression patterns change during these distinct cellular pathways, drawing on research presented at a symposium hosted by the Sigrid Jusélius Foundation. The work aims to elucidate the genetic underpinnings of both healthy development and the aberrant growth characteristic of cancer.

This collection of symposium proceedings likely offers a detailed, albeit potentially specialized, overview of gene expression research as it stood in the mid-1980s. The focus on both normal and malignant differentiation suggests a readership of researchers and advanced students in molecular biology, genetics, and oncology. The authority perspective would likely highlight the foundational nature of these discussions for subsequent research in cancer biology and developmental genetics.