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Axel Ullrich (born October 19, 1943 in Lauban, Silesia) is a German cancer researcher and has been the Director of the Molecular biology dept. at the Max Planck Institute of Biochemistry in Martinsried, Germany since 1988. This department's research has primarily focused on signal transduction. Ullrich has received Hamdan Award for Medical Research Excellence, awarded by Sheikh Hamdan bin Rashid Al Maktoum Award for Medical Sciences, Dubai, United Arab Emirates in 2008 and Ullrich and his team received the Wolf Prize in 2010.
Life and work
Ullrich received his primary degree in biochemistry at the University of Tübingen, Germany, he received a Ph.D. from the University of Heidelberg in Molecular Genetics in 1975. He did post-doctoral work at the University of California, San Francisco from 1975 to 1977 and worked as a senior scientist at Genentech in San Francisco, California from 1978 to 1988. From 1988, he has been at the Max Planck Institute of Biochemistry.
He was one of several scientific leaders of 200+ scientists in developing the anti-cancer drug Trastuzumab (trade name: Herceptin) at Genentech, and has co-founded five biotech companies, Axxima, U3 Pharma, Kinaxo, SUGEN (acquired by Pfizer) and Blackfield.
He is listed by the Institute for Scientific Information (ISI) as a highly cited biologist and he is also in the top ten of H-index of living biologists. Among many other achievements, he and his team have co-discovered two groups of receptor tyrosine kinases. In some tumours, (the cancerous state), some receptor tyrosine kinases tend to be over-active, due to genetic changes.
Ullrich is also Principal Investigator of Singapore Oncogenome Project at the Institute of Medical Biology aimed at identifying all oncogenic alterations in all protein tyrosine kinase (PTK) gene transcripts of a large number of tumor cell lines and primary tumors. The laboratory also focuses on functional characterization and, in cooperation with clinical oncologists, investigation of the clinical relevance of the newly discovered PTK oncogenes which serves as basis for the development of novel multi-targeted drugs.
The discovery of the drug Sunitinib and clarification of the multi-specific mechanism of action is partly based on discoveries of Axel Ullrich and his team at the Max Planck Institute of Biochemistry in the 1980s in Munich. The discovery, medical and pharmaceutical development as well as clinical testing of the drug was carried out by about 100+ scientists and physicians, at SUGEN, a company co-founded in 1991 by Ullrich, and the Max Planck Society, and other investors. The innovative concept was of an ATP analogue that would compete with ATP for binding to the catalytic site of receptor tyrosine kinases.
Sunitinib inhibits cellular signaling by targeting multiple receptor tyrosine kinases (RTKs). These include all receptors for platelet-derived growth factor (PDGFR) and vascular endothelial growth factor receptors (VEGFR), which play a role in both tumor angiogenesis and tumor cell proliferation. The simultaneous inhibition of these targets therefore leads to both reduced tumor vascularization and cancer cell death, and ultimately tumor shrinkage.
In the early 1990s, Ullrich and his team identified the signaling system involved in regulating tumor angiogenesis, the growth of blood vessels in tumors. He and his team discovered that inhibiting a key player in the signaling system (called vascular endothelial growth factor receptor or VEGFR) suppresses the generation of blood vessels in tumors and slows down cancer cell growth. Years later, a small molecule inhibitor of the VEGFR2 kinase function was developed, from which a derivative was approved in 2006 for the treatment of kidney carcinoma and gastro-intestinal stromal tumors.
Honors and awards
- 2005 Otto Warburg Medal 
- 2009 Debrecen Award for Molecular Medicine 
- 2010 Wolf Prize research on human proto-oncogenes and development of novel cancer therapies.
Retirement and science
In his active retirement Ullrich continues to lead a small research group to complete some minor aspects of his research interest on receptor tyrosine kinases. He also looks forward to travel, and visiting other universities as a guest professor for a semester or two, especially in North America.
- "King-Faisal-Forschungspreis geht 2003 an Axel Ullrich" (PDF). Max Planck Society. Retrieved 2010-04-02.
- "Otto-Warburg-Medal". GBM. Retrieved 12 January 2014.
- "Debrecen Award for Molecular Medicine". University of Debrecen. Retrieved 7 January 2015.
- "Wolf-Preis für Rastatter Ehrenbürger Professor Dr. Axel Ullrich". ka-news. Retrieved 2010-04-02.
- "2010 THE 2010 WOLF FOUNDATION PRIZE IN MEDICINE". Wolf foundation. Retrieved 2010-04-02.