Certain childhood tumors have an extreme need for amino acids. Scientists at the Hopp Children's Cancer Center Heidelberg (KiTZ), the German Cancer Research Center (DKFZ), the University of Heidelberg, and HI-STEM* gGmbH have now discovered the molecular mechanisms underlying this and how the cancer cells could be turned off.

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…

Metastatic breast cancer cells abuse macrophages, a type of immune cell, to promote the settlement of cancer metastases in the lungs. The reprogrammed macrophages stimulate blood vessel cells to secrete a cocktail of metastasis-promoting proteins that are part of the so-called metastatic niche.

The nuclease Cas13b associated with the CRISPR gene scissors, which is an enzyme that degrades nucleic acids, has the potential to be used in the future in hereditary diseases to switch off unwanted genes. In the fight against infections, this nuclease is also being researched as an antiviral agent, as Cas13b can specifically intervene in the genetic material of viruses and render them harmless.

Hearing loss - 29/06/2022

Innovative micro loudspeaker brings back hearing

Hearing loss often severely restricts the lives of those affected and can only be partially reversed with conventional hearing aids. The innovative hearing aid developed by Vibrosonic GmbH from Mannheim transmits sound vibrations directly to the eardrum and can thus almost completely restore the natural hearing experience.

Robot arm for greater accuracy - 08/06/2022

guidoo: robotic assistance for fast and precise biopsies

Needle-based procedures through the skin, such as biopsies of internal organs, not only require a great deal of skill and experience, but they also take time. Fraunhofer IPA Mannheim, together with BEC GmbH from Pfullingen, is developing a robotic surgical assistance system that supports the correct positioning and angulation of a needle with the help of a guide sleeve. This significantly speeds up the procedure while maintaining precision.

Assay to support the diagnosis of autoimmune diseases - 22/06/2022

Tracking down pathogenic immune complexes

Soluble complexes of antibodies and their target structures circulating in the blood can trigger serious systemic inflammations. Dr. Philipp Kolb and Haizhang Chen from the Institute of Virology at the Freiburg University Medical Centre have developed a sensitive, cell-based test system for detecting these immune complexes. The system can be used to diagnose systemic autoimmune diseases, and also severe cases of COVID-19.

Biotech in outer space - 06/07/2022

yuri, a space start-up: weightlessness for commercial research

Growing cells without the effect of gravity could revolutionise drug development. A start-up called yuri on Lake Constance enables made-to-measure experiments on the ISS for stem cells, artificial organs, surfaces and materials. On board the next mission are some mini-cell labs from Berlin's Charité and Goethe University Frankfurt.

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…

Mitochondria are the power plants of cells, and they contain their own genetic material and RNA molecules. Scientists from the German Cancer Research Center (DKFZ) have now discovered that certain modifications in mitochondrial RNA boost the invasive spread of cancer cells by supporting protein synthesis in mitochondria.

Scientists from the 2. Physics Institute at the University of Stuttgart and the Max Planck Institute for Medical Research were now able to take the next step towards synthetic cells: They introduced functional DNA-based cytoskeletons into cell-sized compartments and showed functionality. The results were recently published in Nature Chemistry.

Dr. Nicole Hoffmeister-Kraut, Minister of Economic Affairs, Labour and Tourism of Baden-Württemberg, together with Freiburg’s Mayor Martin Horn, gives the go-ahead for the construction project on the Georges-Köhler-Allee.

Alzheimer's, Parkinson's and other neurodegenerative diseases are associated with inflammatory processes in the brain. German researchers have succeeded in identifying a group of proteins in the liquor that could provide information about such inflammatory processes. As so-called biomarkers, the proteins could help to better understand disease processes in the future and to test the effect of potential drugs against brain inflammation.

RHEACELL GmbH - 28/07/2022

Innovative stem cell therapy for chronic wounds

Non-healing, chronically inflamed wounds can be very painful and carry the risk of serious infections. The Heidelberg company RHEACELL has developed a unique drug based on ABCB5-positive mesenchymal stem cells that helps reprogramme the relevant immune cells and promote healing.

AaviGen GmbH: Hope for heart failure - 14/07/2022

Gene therapy for weakened hearts

Treating a weak heart – for example after a heart attack – at the GP’s surgery with a single intravenous injection, without causing serious side effects: what sounds almost too good to be true is actually already under development. The Heidelberg-based biotech company AaviGen is working on a platform technology based on adeno-associated viruses that can help introduce therapeutic genes in a highly specific way into diseased heart muscle cells.

Organ-on-chip for the analysis of drug effects - 20/07/2022

New 3D cell platform allows continuous metabolic monitoring

Organ-on-chips systems are systems containing miniature tissues grown inside mircrofluidic chips. By integrating microsensors, researchers at the IMTEK Freiburg, together with the RWTH Aachen University Hospital, created a novel variant that allows the measurement of metabolic activity directly on site and in real time. This enables the rapid and detailed analysis of drug effects outside an organism.

Changes known as epigenetic modifications play an important role in cancer development, among other things. Being able to analyze them quickly and reliably could, for example, contribute significantly to the further development of personalized therapy.

In mice, inflammation in early to mid-life leads to a permanent decline in functional blood stem cells, according to a recent publication by scientists from the German Cancer Research Center (DKFZ) and the Stem Cell Institute HI-STEM*. The ability of the blood stem cells to regenerate was suppressed for at least one year after challenge with inflammation.

CureVac N.V., a global biopharmaceutical company developing a new class of transformative medicines based on mRNA, today announced the start of a Phase 1 study of the modified COVID-19 mRNA vaccine candidate CV0501, administered as a booster dose to previous COVID-19 vaccination. Developed in collaboration with GSK, CV0501 is based on CureVac’s second-generation mRNA backbone and is designed to specifically protect against the Omicron variant.

A centre for model-based artificial intelligence has been set up at Heidelberg University to link mathematical modelling methods with information processing in neuronal networks. The Carl Zeiss Foundation (CZS) is funding the CZS Heidelberg Center for Model-Based AI with five million euros over a period of six years.

University of Tübingen team discovers how malformations of the blood vessels can occur in mice – yielding information with possible ramifications for retinal disease.

Tuberculosis is one of the leading causes of death worldwide, with an estimated 1.4 million deaths and ten million people infected annually. Resistant and multidrug-resistant (MDR) variants of the tuberculosis pathogen Mycobacterium tuberculosis pose a major threat to tuberculosis control and global health.

Hummingbird Diagnostics GmbH - 22/09/2022

The great potential of blood-based microRNA analyses

"The early bird catches the worm", is an apt description of what motivates Hummingbird Diagnostics GmbH from Heidelberg. The medium-sized biotechnology company analyses special biomarkers in blood, so-called microRNAs, in order to diagnose diseases at an early stage and to be able to make forecasts about the course of the disease and the success of therapy.

Article - 14/09/2022

Theranostics of prostate cancer: the combination of radionuclide diagnostics and radionuclide therapy

Using a low-level radiopharmaceutical that binds to the prostate-specific membrane antigen (PSMA), positron emission tomography/computed tomography can be used to visualise even small prostate cancer metastases. Developed by Heidelberg researchers, the radiopharmaceutical is a modified radionuclide diagnostic agent that has been coupled with a powerful emitter and used as a therapeutic tracer to irradiate and destroy cancer cells from within.