Award for project on the positive influence of maternal intestinal microbes

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Credit: Courtesy of Stephanie Ganal-Vonarburg

The winner of the Johanna Duermueller-Bol DBMR Research Award 2018 is Dr. Stephanie Ganal-Vonarburg. As a Senior Scientist, she conducts research in the Gastroenterology / Mucosal Immunology Research Laboratory at Bern University Hospital and at the Department for BioMedical Research at the University of Bern. Ganal-Vonarburg is being awarded for her research in the field of commensal microbiota – the microbes in the intestine.

The Research Award, endowed with CHF 30,000, was presented at the "Day of BioMedical Research", on Wednesday, November 7, 2018. The prize serves to promote young researchers in biomedical research at the Medical Faculty of the University of Bern.

Strengthening newborns' immunity

Our internal and external body surfaces, such as the skin, respiratory tract and intestines, are colonized by a variety of microbes known as microbiota. These microbes are of great importance for the human body; they not only help us to digest food and to produce vitamins, but also mature our immune system so that we can defend ourselves better against pathogens. The unborn fetus in the womb is considered to be completely germ-free, since the colonization of the body with microbiota only takes place during and especially after birth.

For a long time it was assumed that the positive influence of these benign microbes on the host organism does not begin until after birth. In her work, Stephanie Ganal-Vonarburg and her colleagues have been able to show that bacterial metabolites are transferred from the maternal microbiota to the child even earlier, in a process that takes place through the placenta during pregnancy, and through the maternal milk after birth, thus contributing to the maturation of the immune system. Changes in the child's immune response can be observed; for example, the colonization of the intestine by good bacteria after birth is accepted more easily. This kind of influence on the child's immune system was long-lasting and could still partly be detected in adulthood.

In her future work, Ganal-Vonarburg hopes to use the prize money to investigate how the maternal microbiota can influence the immune system of children in the longer term on a molecular level. In particular, she is planning to investigate whether epigenetic mechanisms – which lead to molecular changes in the DNA structure and thereby to altered cell functions – play a role in this. In a second part of her work, she wants to identify bacterial products in breast milk that have positive properties with regard to the child's immune system. "Substances like this could be used in medicine in the future and help strengthen the immunity of newborns", says Stephanie Ganal-Vonarburg.

Short biography on Stephanie Ganal-Vonarburg

Stephanie Ganal-Vonarburg was born in Offenburg (Germany). From 2003 to 2009 she studied Molecular Medicine at the University of Freiburg, Germany, and at the University of British Columbia in Vancouver, Canada. She subsequently completed her doctorate in molecular medicine and immunology in Professor Andreas Diefenbach's laboratory at the University of Freiburg and received her doctorate (Dr. rer. nat.) in 2013. Ganal-Vonarburg came to Switzerland as a postdoctoral fellow in 2013 with the help of a Marie Curie scholarship from the European Union and an EMBO scholarship. From 2013 to 2016, she worked on the role of maternal microbiota in the development of the child's immune system in Professor Andrew Macpherson's laboratory at the Department for BioMedical Research at the University of Bern. The results of this study were published in the journal "Science" in 2016. Ganal-Vonarburg has headed the Gastroenterology Research Laboratory at DBMR together with Andrew Macpherson since September 2016 and is involved in the management of the CMF Core Facility.

Dr. Stephanie Ganal-Vonarburg is available to provide further information or for an interview.

Video about her work: https://www.youtube.com/watch?time_continue=108&v=3ykF-8QjarY

The Johanna Duermueller-Bol Foundation extends its commitment

The research award was already donated by the Johanna Duermueller-Bol Foundation from 2012 to 2017, and it will continue to support the Department for BioMedical Research DBMR until 2021. The aim of the foundation is to motivate and support researchers early on in their career at the University of Bern Medical Faculty in its fields of medicine and science.

More information about the Duermueller-Bol foundation: https://fjdb.ch/

Department for BioMedical Research DBMR

The Department for BioMedical Research DBMR (formerly DKF) is an institute that is part of the Medical Faculty and has the remit to provide the 45 research groups at Bern University Hospital with the ideal infrastructure and scientific support. The majority of these research groups are based at the university hospital clinics. The remaining groups are DBMR internal research groups that are involved in daily scientific support and coordinating the equipment and infrastructure. The DBMR is also responsible for running the technology and Tier Core Facilities. The Department's groups are supported by Central Services, which are responsible for administration, computer science, technical support and bioinformatics.

More information: http://www.dbmr.unibe.ch/index_ger.html

Day of BioMedical Research

Since 1996 the Department for BioMedical Research (DBMR) has held a "Day of BioMedical Research". This year's event took place on Wednesday, November 7.

The DBMR provides the best possible conditions to the researchers of the Inselspital and of the Faculty of Medicine of the University of Bern. The annual "Day of BioMedical Research" has established itself as a forum for researchers to present their work in a poster session and to get insights into the research projects of their colleagues.

More information: http://www.dbmr.unibe.ch/research/the_day_of_biomedical_research_2018/index_eng.html

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Media Contact

DStephanie Ganal-Vonarburg
[email protected]
41-786-452-902

http://www.unibe.ch

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