Karin Moelling

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About

Karin Moelling is a pioneering virologist and molecular biologist whose research has fundamentally shaped our understanding of retroviruses, oncogenes, and tumor suppression. Her work bridges virology and cancer biology, with a particular focus on the molecular mechanisms by which viral and cellular signaling pathways drive transformation. In a landmark study, Moelling employed robot-assisted complex hybridization to identify putative tumor-suppressing genes induced by oncogenic Raf-1 in Rat-1 fibroblasts, revealing a network of genes that counteract uncontrolled proliferation. This work, cited over 11 times, exemplifies her innovative use of early genomic technologies to uncover the dual roles of oncogenes—both as drivers of cancer and as triggers for protective cellular responses. Beyond this, Moelling is renowned for her contributions to the study of reverse transcriptase and the evolution of retroviruses, including the discovery of the first retroviral oncogene, v-mil, and its cellular counterpart, c-mil. Her research has been instrumental in connecting viral replication to host defense mechanisms, earning her recognition as a leading figure in molecular oncology. With a career spanning decades, Moelling’s insights continue to inform cancer biology and antiviral strategies.