To diagnose an infection with the coronavirus, usually a throat swab is taken and genetic viral material detected by using a highly sensitive PCR. To date, more than 65 million of these tests have been performed in Germany alone. Due to the massive increase in testing worldwide and simultaneous loss of production, there was a significant shortage of test materials in the early stage of the pandemic.

Researchers at the Faculty of Medicine at the University of Freiburg have gained significant new insights into metabolic processes in the kidney. The scientists from the Institute of Genetic Epidemiology at the Medical Center - University of Freiburg measured tiny molecules, so-called metabolites, which occur in blood and urine and reflect our metabolism, in samples from more than 5,000 study participants.

Contrary to common belief, not all viruses are harmful to their hosts. Sometimes viruses can even protect their hosts from infection by other viruses. Scientists at the Max-Planck-Institute for Medical Research in Heidelberg and their collaborators have now demonstrated that this is the case for so-called endogenous virophages: small DNA viruses that are mostly found inserted into the genomes of single-cell eukaryotes.

Metastatic breast cancer requires complex and lengthy treatment, the side effects of which affect the quality of life of patients. These often include sexual problems. In a large international randomized exercise intervention trial, researchers have now shown that women who received a nine-month supervised exercise program reported significantly fewer symptoms than women who did not participate in the training program.

Article - 22/03/2019

Personalised therapies for treating metastasing breast cancer

Breast cancer is characterised by broad genetic diversity. Successful treatment is made even more difficult by the fact that, in advanced breast cancer, the properties of metastases often differ significantly from the primary tumour. The Heidelberg CATCH study is now collecting genetic profiles from patients' metastasis tissue samples, which can be used to tailor therapy to individual requirements.

Induced pluripotent stem cells (iPSC) are suitable for discovering the genes that underly complex and also rare genetic diseases. Scientists from the German Cancer Research Center (DKFZ) and the European Molecular Biology Laboratory (EMBL), together with international partners, have studied genotype-phenotype relationships in iPSCs using data from approximately one thousand donors.

In most cancers, it is not the growth of the primary tumor that determines the prognosis for the patient, but whether it will spread and form metastases. This process is very complex. There are often years between the development of the cancer and the aggressive growth of the metastases. Scientists from the DKFZ, the HI-STEM, the Ruhr University Bochum, Helmholtz Munich and ETH Zurich have studied and identified metastasis growth in breast cancer

A researcher team from Ecole Polytechnique Federal de Lausanne led by Dr. Vivek Thacker now group leader at the Department of Infectious Diseases at Heidelberg University Hospital have studied why tuberculosis bacteria form long strands and how this affects their infectivity. Their findings could lead to new therapies and have now been published in the journal Cell.

In living cells, a vast number of transient events occur simultaneously. The recording of these activities is a prerequisite for a molecular understanding of life. Scientists at the MPI for Medical Research in Heidelberg and their collaboration partners have created a novel technology that allows cellular events to be recorded through chemical labeling with fluorescent dyes for later analysis, opening up new ways to study cellular physiology.

Individuals with a genetic predisposition to Alzheimer’s disease show altered blood levels indicating damaged neuronal contacts as early as 11 years before the expected onset of dementia symptoms. This is evident in the levels of the protein “beta-synuclein”. An international team report these findings in the journal “Alzheimer’s & Dementia”. The biomarker studied here could potentially help to detect neurodegeneration at an early stage.

Researchers from Freiburg and Harvard publish the three-dimensional structure of the B cell antigen receptor, shedding new light on its composition.

Using animal-free methods to assess the hazard potential of chemicals to the nervous system of unborn children? An international research team including toxicologists from Konstanz and Düsseldorf has developed a testing battery based on human cells that has the potential to replace traditional methods for assessing developmental neurotoxicity.

Volkswagen Foundation to fund international research project with around 1.5 million euros. Interdisciplinary team led by the Institute for Global Health at Heidelberg University Hospital to research the transmission of pathogens from animals to humans in Thailand and Laos. Long-term goal is to develop sustainable preventive measures against future pandemics.

With "OrgaPlexing", scientists at the MPI of Immunobiology and Epigenetics have developed a new method that shows how guardian cells of the immune system, the macrophages, orchestrate their cell structures during inflammation or bacterial infection, making it possible to observe the interactions between several organelles simultaneously and thus providing insights into cell metabolism and the production of inflammatory molecules.

The reservoir of blood stem cells shrinks with age. It becomes increasingly dominated by stem cells that produce immune cells associated with chronic inflammation. Almost all of the 60-year-olds studied show this change. The new discovery could help explain the chronic inflammation that occurs with age and makes us more susceptible to disease. It could also help identify early warning signs of unhealthy aging processes.

While broad-spectrum antibiotics can offer protection against a wide variety of bacteria, there are currently no analogous clinically available broad-spectrum antiviral agents that can act on several different viruses. An international research team has now shown that polystyrene sulfonate (PSS), a negatively charged polymer, has the potential to be used in the prevention of viral infections – not only in the fight against the SARS-CoV-2 and cold…

Heidelberg scientists succeed in boosting the efficiency of CRISPR/Cas9 and related methods and modifying initially inaccessible DNA sequences.

Age-related macular degeneration (AMD) is the commonest cause of blindness in developed countries affecting seven million in total in Germany, from which 500,000 people are suffering from late stage disease, around half of whom are registered as visually impaired. There are two forms of AMD, ‘wet’ and ‘dry’. There are currently no treatments available for the dry form of the disease (geographic atrophy).

Patients have 30 percent fewer serious side effects when medication doses are tailored to their genetic profile. This is what an international research consortium has found out, including the Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology at the Bosch Health Campus. With an individual DNA medication pass, as used in the study, treatments can be made more effective and safer in the future.

Researchers at University of Galway, the Heidelberg Institute for Theoretical Studies (HITS) Heidelberg University, and Heidelberg University Hospital have created digital babies to better understand infants’ health in their critical first 180 days of life. The international team created computer models that simulate the unique metabolic processes of each baby. The models can help to better understand rare metabolic diseases.

Stem cell-like leukemia cells are responsible for relapses in children and adolescents with a certain type of blood cancer, T-ALL. Researchers at the Hopp Children's Cancer Center Heidelberg (KiTZ), the Molecular Medicine Partnership Unit and the German Cancer Research Center were able to show this in a study. The results could help to overcome resistance in this form of blood cancer and prevent relapses.

Researchers at the Faculty of Medicine of the University of Freiburg discover key factor in the development of immune cells. New approaches for the treatment of ALPS.

Women have an increased risk of breast cancer if they have a family history of this disease. However, the risk may also be higher if first-degree family members have another type of cancer, according to a study by a team of scientists and physicians from the National Center for Tumor Diseases (NCT) Heidelberg, the German Cancer Research Center (DKFZ) and Heidelberg University Hospital (UKHD), as well as international colleagues.

Does COVID-19 vaccination increase the risk of cancer patients undergoing therapy with immune checkpoint inhibitors to suffer a dangerous immune complication known as a "cytokine release syndrome"? A team of Heidelberg physicians and scientists has now shown in a clinical study: Increased serum levels of the characteristic cytokines occur frequently in cancer patients, but clinically relevant cases of the dreaded syndrome were not…