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EU funding for killer cells that fight cancer

Illustration of the cells
Photo: iStock

As certain tumor cells are able to conceal themselves in the body, it often means that patients with aggressive cancers experience a recurrence of the cancer after treatment. By programming genetically modified killer immune cells to seek and destroy the hiding tumor cells and tumor stem cells, it is hoped that we can develop more effective treatment options. An international research project, with key technologies developed by Lund University in Sweden will be used to advance immunotherapies for acute myeloid leukemia (AML), glioblastoma, and pancreatic cancer. This consortium has been granted approximately 40 million SEK by EU’s key funding programme for research and innovation, Horizon Europe.

Our bodies have specialized immune cells that specifically seek and destroy tumor cells in the body. These cells are called natural killer cells. However, through specific mechanisms of selection, some tumor cells including tumor stem cells evade these killer cells, and indeed the chemotherapeutic drugs, and persist in the body.  By genetically modifying the natural killer cells to increase their ability to target and destroy hiding tumor cells, the researchers propose that cancer therapies will be more effective. Niels-Bjarne Woods is a stem cell researcher at Lund University and leads the research team that has over the last decade developed a system to produce a potentially unlimited supply of the killer immune cells that can be tailored for genetic manipulation for cancer targeting. The system produces the killer immune cells from induced pluripotent stem cells which are regarded as an ideal source of cells being able to unlimited supply of cells which are conducive to the genetic manipulations they will perform.

“One of the factors we have identified for producing the natural killer cells from pluripotent stem cells is through regulating metabolism. Our cells contain mitochondria that act as a mini power station for cell function. By feeding the mitochondria, we improve how the immune cells develop from the pluripotent stem cells” says Niels-Bjarne Woods.

Now, the research team at Lund University and its collaborative partners at Copenhagen University Hospital Denmark, Hannover Medical School in Germany, and the biopharmaceutical company Amniotics AB Lund, have received a large grant from the European Innovation Counsel to develop this technology platform. The researchers will jointly investigate how killer cells can be tailored for the treatment of AML (acute myeloid leukaemia), glioblastoma (brain tumor) and pancreatic cancer. These are all aggressive types of cancer with a very poor prognosis.

“The idea is not to replace existing cancer therapies, at least not yet, but rather to supplement these treatments with an effective “powerclean-up” of the remaining tumor cells including tumor stem cells that are difficult to remove and which lead to the recurrence of the disease. We have a panel of innovative technologies for how to achieved this, including one’s under development.” concludes Niels-Bjarne Woods.

A possible treatment modality would be to transplant the specialized killer cells into cancer patients after their standard chemotherapy treatment but prior to a cancer relapse. This would ensure the higher ratio of effector killer cells per residual cancer cell to maximize the likelihood of permanent cancer ablation.   

About the project:

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Funded by the European Union under Grant Agreement No 101099054

Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Innovation Council (EIC). Neither the European Union nor the granting authority can be held responsible for them.