Dossier - 08/09/2022

Imaging methods in medical diagnostics

Many different imaging methods are available these days and are used in almost all medical disciplines to visualise disease-related changes. Depending on the problem and the clinical picture, very different structural and functional parameters can be visually recorded for diagnosis and used for therapy.

Screening trials for the early detection of rare diseases often fail due to insufficient predictive power of the results. For the rare HPV-related cancer of the pharynx, scientists from the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) now relied on the combined detection of antibodies against two different viral proteins in a proof-of concept trial.

In the brain of adult mammals neural stem cells ensure that new nerve cells, i.e. neurons, are constantly formed. This process, known as adult neurogenesis, helps mice maintain their sense of smell. A research team led by Dr Francesca Ciccolini at the Interdisciplinary Center for Neurosciences (IZN) of Heidelberg University recently discovered a second stem cell population in the mouse brain.

Today, genome editing is almost as easy as programming software. However, the generation of viral vectors as initial material is still associated with many expensive and error-prone handling procedures. Viruses are generated via complex biological processes that have to be optimised virus-specifically in order to produce high-quality therapeutics. A new method is needed that simplifies and optimises these processes.

Cancer cells often grow in environments that are low in nutrients, and they cope with this challenge by switching their metabolism to using proteins as alternative "food". Building on genetic screens, an international team of scientists could identify the protein LYSET as part of a pathway that allows cancer cells to make this switch. Their findings are now published in the journal Science.

Because of their highly active metabolism, many tumors are susceptible to a special type of cell death, ferroptosis. Nevertheless, cancer cells often manage to escape this fate. Scientists at the German Cancer Research Center have now discovered a new mechanism by which normal as well as cancer cells protect themselves against ferroptosis.

Although just cute little creatures at first glance, the microscopic geckos and octopuses fabricated by 3D laser printing in the molecular engineering labs at Heidelberg University could open up new opportunities in fields such as microrobotics or biomedicine. The printed microstructures are made from novel materials – known as smart polymers – whose size and mechanical properties can be tuned on demand and with high precision.

With its "Proof of Concept" grants, the European Research Council ERC supports scientists in further developing the commercial potential of their research results. Nina Papavasiliou from the DKFZ is now receiving the prestigious grant for the second time: she wants to advance the development of a "molecular delivery service" that ensures that therapeutic genes reach the right address in the body in a targeted manner.

Dossier - 12/10/2022

The health sector must become greener

Worldwide, the health sector is struggling with the consequences of global warming, but fatally is itself responsible for a significant proportion of greenhouse gas emissions. Studies show that hospitals and rehabilitation clinics in particular have great potential for reducing these emissions and, like the manufacturing industry, need to fundamentally revise established processes.

Viral cancer therapy - 26/10/2022

Therapeutic viruses against tumours and metastases

Viruses can overcome cell barriers and transfer information to their host cells. They know how to make their host cell’s infrastructure work for them. This makes them excellent biotechnological tools, which a research group from the Fraunhofer IGB in Stuttgart is using to its advantage. The team is developing a therapeutic virus that not only recognises and fights tumours, but also has the potential to reach metastases.

Apogenix, a biopharmaceutical company developing next generation immunotherapeutics, announced today that asunercept showed statistically significant benefits for hospitalized COVID-19 patients in the ASUNCTIS trial. The open-label multi-center phase II trial investigated efficacy and safety of asunercept in 435 patients with moderate to severe COVID-19 disease.

Researchers have created a tool that maps how breast cancer grows in previously unseen detail, and highlights how the cells around the tumour may be the key to controlling the spread of disease. The new technology can trace which populations of breast cancer cells are responsible for the spread of the disease, and for the first time highlights how the location of cancer cells could be as important as mutations in tumor growth The new study is…

Heidelberg University scientists are to receive three ERC Synergy Grants – three highly endowed grants of the European Research Council – for pioneering research projects by several teams working in collaboration.

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

University of Tübingen, a leading member of Cyber Valley, Europe’s largest Artificial Intelligence (AI) research consortium and Boehringer Ingelheim launch an AI and data science fellowship program for top talents from around the world. Three to five fellowships will be awarded per year for up to three years with a target of nine to fifteen fellows in the program after five years.

Researchers of the University of Freiburg have discovered a previously unknown function of septins in defending cells against dangerous hospital pathogens.

During the growth and development of living organisms, different types of cells must come into contact with each other in order to form tissues and organs together. A small team working with Prof. Dr. Anne Classen of the Excellence Cluster CIBSS of the University of Freiburg has discovered that complex changes in form, or morphogenesis, during development are driven exclusively via the affinity of cells to each other.

Why do metastases often only appear after the original tumor has been surgically removed? Scientists from the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) and the Mannheim Medical Faculty of Heidelberg University have now published an explanation for this phenomenon. They were able to identify a messenger substance of the cancer cells that locally promotes the growth of the primary tumor.

Start-up Actimi GmbH - 23/11/2022

Real-time telemonitoring of heart failure

Improved quality of life for patients and lower costs for health insurers: these are the advantages of telemonitoring patients with advanced heart failure. The Stuttgart-based start-up Actimi offers an all-in-one platform for those who treat and those who suffer from the disease.

Researchers of the University of Freiburg introduce biosensor for the nucleic acid amplification-free detection of SARS-CoV-2 RNA.

MEDICA and COMPAMED continue to develop in an extremely vital manner. The world's leading medical trade fair and the international No. 1 for the medical technology supply sector once again impressively underscored their positive results from the previous year with strong numbers – despite continuing adverse conditions. A significant increase in bookings on the part of the exhibiting companies was followed after four days by a marked increase…

Toxicologists from the University of Konstanz have found that the protein p53 continuously protects our cells from tumorigenesis by coordinating important metabolic processes that stabilize their genomes.

The health of nerve cells is closely linked to the auxiliary cells that surround them, the so-called glial cells. It still remains largely unknown what role glial cells play in age-related diseases.

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.

What a success for Ulm University and its medical centre! The German Research Foundation (Deutsche Forschungsgemeinschaft; DFG) extends the Collaborative Research Centre (CRC) on Trauma Medicine for the second time. The third funding phase infuses the CRC 1149 'Danger Response, Disturbance Factors and Regenerative Potential after Acute Trauma' with 11.1 million euros.