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Two ERC Starting Grants to DKFZ Young Scientists

No. 44 | 05/09/2023 | by Koh

The funding provided by the European Research Council (ERC) is regarded as an accolade for scientists at all career stages. With its "Starting Grants", the ERC aims to pave the way for excellent young scientists to pursue independent careers. This year, two scientists at the German Cancer Research Center (DKFZ) are receiving the prestigious funding: Felix Hartmann is investigating how the metabolism of tumor and immune cells affects the success of cancer immunotherapies. Marc Zuckermann aims to improve the treatment outcomes of children with malignant brain tumors by combining different therapeutic modalities.

Felix Hartmann
© private

Only a fraction of cancer patients benefit from cancer immunotherapies with so-called immune checkpoint inhibitors. Improving this situation is the goal of research by Felix Hartmann, junior research group leader at DKFZ.

Cellular metabolism has been shown to be a key factor in various immune cell functions, including, for example, the "exhaustion" of T cells, which can then no longer contribute to tumor defense. However, the exact relationships is not completely understood to date. Hartmann postulates that tumors create spatially defined metabolic environments, so-called "metabolic niches", in order to suppress immune cells.

To test this, he wants to identify and quantify the metabolic states of cancer and immune cells. Using a method he has developed, such metabolic studies can be performed in individual cells directly in human tumor tissue. Hartmann plans to combine these analyses with other methods, such as multiplex ion beam imaging, which allows him to visualize a large number of proteins in tumor tissue samples. Using tumor organoids, the researcher also wants to uncover the mechanism of metabolic niche formation.

Hartmann's goal is to use these methods to find out how different tumors influence the metabolism of immune cells to modulate their function. Therapeutic targets may emerge from this analysis, allowing different types of cancer to be treated more successfully with immunotherapies.

Felix Hartmann studied molecular biotechnology at the University of Heidelberg. For his doctoral thesis, he conducted research at the University of Zurich from 2012 to 2016 and moved to Stanford University as a postdoc in 2017. Since 2021, Felix Hartmann has headed the DKTK* junior research group Systems Immunology and Single Cell Biology at DKFZ.

Marc Zuckermann
© private

Brain tumors are the most common cause of cancer-related deaths in children. High-grade glioma is the most common malignant brain tumor in children. Standard treatment is usually followed by treatment-resistant relapse and the disease progresses. Experts believe that new combination treatments may improve the prognosis of affected children.

Until now, combination therapies in clinical practice have mostly been limited to radiation and chemotherapy. In contrast, Marc Zuckermann, group leader at the Hopp Children's Tumor Center in Heidelberg, is focusing on multimodal treatment strategies ("4D therapy") to overcome resistance to individual forms of treatment. The theory is that unwanted side effects are thereby distributed among different cell populations, creating a larger therapeutic window.

Zuckermann first wants to combine different drugs with radiotherapy in a comprehensive screening in the laboratory, investigating which agents increase the radiosensitivity of cancer cells. This combination will then be combined in further steps with gene therapies and with cellular immunotherapies (CAR-T cell therapies). Zuckermann plans to test these multimodal approaches in well-established mouse models to predict which combination might best help affected children.

Marc Zuckermann studied cell biology at the University of Osnabrück. For his doctoral thesis, he conducted research at DKFZ from 2012 to 2016. After a research stay at St. Jude Children's Research Hospital in Memphis, USA, he returned to DKFZ in 2019. Since then, Marc Zuckermann has headed the "Preclinical Modeling" group within the Division of Pediatric Neurooncology at DKFZ and KiTZ Heidelberg.

* DKTK: German Cancer Consortium

With more than 3,000 employees, the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) is Germany’s largest biomedical research institute. DKFZ scientists identify cancer risk factors, investigate how cancer progresses and develop new cancer prevention strategies. They are also developing new methods to diagnose tumors more precisely and treat cancer patients more successfully. The DKFZ's Cancer Information Service (KID) provides patients, interested citizens and experts with individual answers to questions relating to cancer.

To transfer promising approaches from cancer research to the clinic and thus improve the prognosis of cancer patients, the DKFZ cooperates with excellent research institutions and university hospitals throughout Germany:

  • National Center for Tumor Diseases (NCT, 6 sites)
  • German Cancer Consortium (DKTK, 8 sites)
  • Hopp Children's Cancer Center (KiTZ) Heidelberg
  • Helmholtz Institute for Translational Oncology (HI-TRON Mainz) - A Helmholtz Institute of the DKFZ
  • DKFZ-Hector Cancer Institute at the University Medical Center Mannheim
  • National Cancer Prevention Center (jointly with German Cancer Aid)
The DKFZ is 90 percent financed by the Federal Ministry of Education and Research and 10 percent by the state of Baden-Württemberg. The DKFZ is a member of the Helmholtz Association of German Research Centers.


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