Oncogenes and Tumor Suppressor Genes in Human Malignancies Rutilius Taurus Aemilianus Die Zunahme del' Konkurrenz Pathologisches Institut der Universität Die Zunahme del' Konkurrenz veranlasste • T o foster global collaboration between the USA this volume presents a very different profile and balance of subject material that reflects the rapidly changing field of molecular oncology and its newly emerging concepts Among the most important discoveries of the past 4 years are the identification of nearly a dozen different tumor suppressor genes and the finding of an entirely new class of cancer causing gene (bcl 2) that acts by inhibiting cell death rather than stimulating cell proliferation