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Fredrik Bäckhed awarded substantial EU grant

30 March, 2023

EU GRANT.Gut bacteria can form molecules that seem to contribute to fibrosis — stiffening of the heart, liver, and other organs. Effects include raised risks of heart failure and nonalcoholic steatohepatitis (NASH), a liver disease. Professor Fredrik Bäckhed has just been awarded the prestigious European Research Council (ERC) Advanced Grant for developing this discovery in the direction of a therapy to stop the bacteria secreting these molecules.

The EU grant provides EUR 2.5 million (just over SEK 28 million) for Fredrik Bäckhed over five years. In the years to come, he and his colleagues will develop the group’s earlier findings further to develop a novel treatment strategy designed to modulate gut microbiota function.

Fredrik Bäckhed. Photo: Johan Wingborg.

“Looking for strategies to treat the gut microbiota, instead of using drugs to target the body’s cells, is a completely new concept,” says Fredrik Bäckhed, Professor of Molecular Medicine at Sahlgrenska Academy, University of Gothenburg.

Treating the bacteria

The EU-funded research trajectory is based on findings published by Bäckhed’s group in the journal Cell five years ago, when they showed how the gut microbiota associated with type 2 diabetes exhibit altered metabolism of histidine, an amino acid, leading to production of imidazole propionate.

In their continued research, the group connected it with fibrosis, which can contribute to stiffening of tissues— here they will focus on heart and liver. The group has performed studies that have supported the notion that the molecule may be linked to heart failure in humans. They will now focus on how imidazole propionate contributes to heart failure and NASH by mapping the underlying mechanisms and inducing fibrosis and fibrosis development.

Fredrik Bäckhed. Photo: Johan Wingborg.

“The highest potential may be to prevent the onset of disease, but we hope that the therapy also will be effective for those who already have developed heart failure. It would be a much-needed treatment for heart failure, especially for those with preserved ejection fraction, where no evidence-based treatment is currently available,” Bäckhed says.

The treatment, which is based on blocking the microbial enzyme producing imidazole propionate, will also be highly relevant for the liver disease non-alcoholic steatohepatitis (NASH), where no established treatments are available.

Artificial lab-grown intestine

In humans, the intestinal microbiome comprises roughly one kilogram of bacteria. Since it interacts with its host and may affect human health the microbiome is now increasingly being regarded as an endocrine organ in its own right. In recent years, research has shown that disturbances in the microbiome in humans may contribute to various disorders, including cardiovascular disease.

With the help of bioreactors, the researchers can study the microbiota in a kind of artificial intestine.
Photo: Nicklas Elmrin.

“We will also investigate the overall effect of the new treatment on the gut microbiota to both assess the potency as well as investigate potential effect on the gut microbial ecology. To this end we are using bioreactors, a sort of artificial intestine, in our lab,” Bäckhed says.

He has brought together an outstanding research team, with wide-ranging and advanced skills. Experts in microbiology and biochemistry will study how the enzyme works. Meanwhile, physiologists will explore how the molecule affects the progression of fibrosis, and biochemists with expertise in structural biology and medicinal chemistry will develop molecules that can be tested for their ability to inhibit the enzyme’s activity. The research group also collaborates with other researchers not only in Sweden but also in the Netherlands, Germany and the U.S.

Fredrik Bäckhed likes to highlight the support from the University’s Grants and Innovation Office (Forsknings- och innovationskontoret, FIK) and the valuable support provided by the staff there during the application process. Besides assistance with assembling all the mandatory documents for applying to the EU, he was given feedback on the application. Perhaps most important, he benefitted from FIK’s training and preparation for the brief ERC interview, which is the crucial stage for selection in the extreme competition for ERC Advanced Grants

 

  • Article from 2018 (journal Cell): Microbially produced imidazole propionate impairs insulin signaling through mTORC1; https://doi.org/10.1016/j.cell.2018.09.055
  • In addition to Fredrik Bäckhed, another researcher at the University of Gothenburg receives an ERC Advanced Grant in 2022. It is Randi Hjalmarsson, professor of economics researches how criminal cycles can be broken. Here you can read an interview with her (in Swedish).
  • In total, ERC awards 544 million euro to 218 Advanced Grants across Europe. Read further here.

BY: ELIN LINDSTRÖM
PHOTO: JOHAN WINGBORG

By: Elin Lindström
Tagged With: Bidrag och stipendier, institutionen för medicin, institutionen för medicin

HAPPY SUMMER!

The newsletter from Akademiliv will return on Wednesday, August 21st.

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Information from Sahlgrenska Academy Research Support Office

[UPDATED JUNE 2024]
The Sahlgrenska Academy Research Support Office provides an overview of upcoming and current calls, nominations and events in an information letter. This letter is updated on a monthly basis.
Current and previous newsletters are also available in the Staff Portal.

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