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News Ulas 10.2019
During tumor development, macrophages (brown), the scavengers of the immune system, migrate into the diseased tissue (cancer cells: blue) without destroying it.
© Karin E. de Visser / the Netherlands Cancer Institute

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New method identifies aggressive breast cancer

Aggressive forms of breast cancer often manipulate the immune response in their favor. This manipulation is revealed in humans by the same immunological "signature" as in mice. This is shown by a study carried out by scientists from the University of Bonn and memebers of the Cluster of Excellence ImmunoSensation together with Dutch colleagues. Their method makes it possible to obtain an indication of the prognosis of the disease using patients' tumor tissue. The results are published in the journal "Cell Reports".


Publication

Sander Tuit, Camilla Salvagno, Theodore S. Kapellos, Cheei-Sing Hau, Lea Seep, Marie Oestreich, Kathrin Klee, Karin E. de Visser, Thomas Ulas und Joachim L. Schultze: Transcriptional signature derived from murine tumor-associated macrophages correlates with poor outcome in breast cancer patients. Cell Reports; DOI: 10.1016/j.celrep.2019.09.067

Contact

Dr. Thomas Ulas

Head of the Bioinformatics Working Group

LIMES-Institute

University of Bonn

Tel. +49-228-7362722

E-mail: t.ulas@uni-bonn.de

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Multiple Sclerosis: Potential biomarker linked to progression and brain inflammation identified

Better ways to detect ongoing brain damage in multiple sclerosis (MS) are urgently needed. An international team of scientists, including ImmunoSensation³ member Prof. Anne-Katrin Pröbstel, has identified a molecular circuit that drives brain injury in MS. In a mouse model, blocking the enzyme Bruton's tyrosine kinase prevented harmful clustering of immune cell and brain tissue demage. Patient data revealed the same immune signaling pattern, suggesting strong translational potential for diagnosis. The study was recently published in Nature Immunology.
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Instructions for building antibodies decoded

MOG Antibody-associated Disease (MOGAD) is a rare autoimmune disease of the central nervous system. The blood of patients contains antibodies against myelin oligodendrocyte glycoprotein (MOG), a protein in the myelin layer that surrounds the neurons in the brain. It is believed that these antibodies contribute to the destruction of this protective layer in the brain. Researchers at the University Hospital Bonn (UKB) and the Universities of Basel and Bonn, in collaboration with an international team, have now deciphered the construction plan of the anti-MOG antibodies.
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A fatal mix-up: how certain gut bacteria drive multiple sclerosis

If gut bacteria are too similar to the protective layer of nerves, they can misdirect the immune system and cause it to attack its own nervous system. This mechanism can accelerate the progression of multiple sclerosis, as researchers at the University of Basel, together with colleagues in Bonn, have shown in trials with mice. However, their results also open up opportunities for treatments that make use of the microbiome. The results have now been published in the journal Gut Microbes.
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