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Group Anders Ståhlberg

Research summary

Our overall goal is to increase the survival and improve the quality of life for patients suffering from sarcomas characterized by FET (FUS, EWSR1, TAF15) fusion oncogenes (FET sarcomas), including more than 20 pediatric and adult cancer entities.

To accomplish this we are identifying and targeting FET fusion oncogene-specific features by applying genomics, transcriptomics and proteomics approaches that are associated with tumor development and therapy resistance. We have a particular interest in chromatin remodeling and signaling pathways like JAK-STAT and their molecular interactions with FET fusion oncoproteins. The cell transformation mechanism of FET fusion oncogenes are studied using innovative 3D and in vivo experimental models.

Another challenge in management of cancer patients is to monitor treatment efficiency and detect potential relapse at an early stage. Analysis of circulating cell-free tumor DNA (ctDNA) in non-invasive liquid biopsies allows us to address this issue. However, standard analytical techniques cannot be applied, since ctDNA is both heavily fragmented and only available in low concentrations.

To overcome these obstacles associated we have established a complete clinical workflow, from sampling to data interpretation, using innovative and ultrasensitive detection technologies. Our analytical platform is applied to sarcomas as well as several other cancer forms in collaboration.

Our specific aims include:

  • To define tumor cell hierarchy and to identify key cell fate decisions for drug target identification in FET sarcomas using functional single-cell analysis.
  • To define the mechanisms of FET fusion oncogenes.
  • To develop tumor bioreactors for next generation diagnostics and drug test systems, using 3D bioprinting and patient-derived scaffolds.
  • To determine the role of microenvironment in relation to specific cell types using 3D model systems.
  • To develop non-invasive molecular methods in cancer diagnostics and prognostics, including DNA-, RNA-, protein- and cell clonality analyses.
  • To clinically evaluate and implement the use of ctDNA.

Research tools and resources

We apply a wide range of methods within the area of cell- and molecular biology. These include 3D culture systems using both patient-derived and bioprinted scaffolds with stem cells, tumor cell lines, reporter cell lines, primary cells and mouse xenografts. Molecular techniques include several NGS approaches, qPCR, digital PCR, MS, IP, PLA and FACS.

We have a special interest in single-cell and single-molecule techniques that we develop in house and apply to better understand biological processes. We also perform bioinformatics, focusing on DNA and RNA analyses. Clinical samples include various types of tissue biopsies and liquid biopsies, such as blood and urine. We work closely with the Translational Genomics Platform.

Current group members

Anders Ståhlberg, PhD, Associate Professor, PI
Soheila Dolatabadi, PhD, Biologist
Helena Kristiansson, PhD, Biologist
Tobias Österlund, PhD, Bioinformatician
Daniel Andersson, PhD, Postdoc
Parmida Ranji, PhD, Postdoc
Amin Forootan, MSc, PhD student (with MultiD Analyses)
Emma Jonasson, MSc, PhD student
Stefan Filges, MSc, PhD student
Lisa Andersson, MSc, PhD student
Gustav Johansson, MSc, PhD student (with AstraZeneca)
Mahnaz Irani Shemirani, MSc, PhD student (with Skövde Högskola)
Junrui Li, MSc, Lab engineer
Manuel Luna, MSc, Lab engineer
Jennifer Pettersson,MSc, associated PhD student (with RISE)
Emma Persson, MSc, associated PhD student
Christoffer Vannas, MD, associated PhD student
Cristiana Rimniceanu, MSc, associated PhD student
Malin Nilsson, MSc, associated PhD student
Anna Gustafsson, MSc, associated PhD student
Karoline Berger, MSc, associated PhD student
Malin Lindén, MSc, associated PhD student
Hana Komic, MSc, associated PhD student
Peter Micallef, MSc, associated PhD student
Elisabeth Mellström, MD, associated PhD student
Marta Berndsen, MD, associated PhD student
Ida Rahmqvist, MSc, associated PhD student

We have openings for MSc thesis projects.

Selected recent publications

  1. Identification of breast cancer stem cell related genes using functional cellular assays combined with single-cell RNA sequencing in MDA-MB-231 cells.
    Jonasson E, Ghannoum S, Persson E, Karlsson J, Kroneis T, Larsson Lekholm E, Landberg G, Ståhlberg A. Frontiers in Genetics, 2019, 10:500.
     
  2. FET family fusion oncoproteins target and compromise the SWI/SNF chromatin remodeling complex.
    Lindén M, Thomsen C, Grundevik P, Jonasson E, Andersson D, Runnberg R, Dolatabadi S, Vannas C, Luna Santa Maria M, Fagman H, Ståhlberg A, Åman P. EMBO Reports, 20:e45766.
     
  3. Requirement for YAP1 signaling in myxoid liposarcoma.
    Trautman M, Cheng Y, Jensen P, Azoitei N, Brunner I, Hullein J, Slabicki M, Isfort I, Cyra M, Wardelmann E, Huss S, Altvater B, Rossig C, Hafner S, Simmet T, Ståhlberg A, Åman P, Zenz T, Lange U, Kindler T, Scholl C, Hartmann W, Fröhling S.  EMBO Molecular Medicine, 2019, 11:e9889.
     
  4. JAK-STAT signalling controls cancer stem cell properties including chemotherapy resistance in myxoid liposarcoma.
    Dolatabadi S, Jonasson E, Lindén M, Fereydouni B, Bäcksten K, Nilsson M, Martner A, Forootan A, Fagman H, G Landberg, Åman P, Ståhlberg A. International Journal of Cancer, 2019, doi:10.1002/ijc.32123. PMID: 30650179
     
  5. Impact of Polymerase Fidelity on Background Error Rates in Next-Generation Sequencing with Unique Molecular Identifiers/Barcodes.
    Filges S, Yamada E, Ståhlberg A, Godfrey TE.  Scientific Reports, 2019, 9:3503.
     
  6. Considerations and quality controls when analyzing cell-free tumor DNA.
    Johansson G, Andersson D, Filges S, Li J, Muth A, Godfrey TE, Ståhlberg, A. Biomolecular Detection and Quantification, 2019, 17:100078.

     

More group Anders Ståhlberg publications on PubMed

Translational Genomics Platform

Read more about Translational Genomics Platform and its activities.

Contact information

Anders Ståhlberg

E-mail: Anders Ståhlberg
Phone: +46 (0)31 786 6735

Visiting address:
Sahlgrenska Cancer Center
Medicinaregatan 1F
413 90 Gothenburg
 

Page Manager: Yael Zukovsky Fitoussi|Last update: 9/5/2019
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