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Updated: Dec 7, 2025
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Processing of Human Cardiac Tissue Toward Extracellular Matrix Self-assembling Hydrogel for In Vitro and In Vivo Applications
Published on: December 4, 2017
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The Cardiac Syndecan-2 Interactome
Sabrina Bech Mathiesen1, Marianne Lunde1, Maria Stensland2
1Institute for Experimental Medical Research and Oslo University Hospital, University of Oslo, Oslo, Norway.
Frontiers in Cell and Developmental Biology
|September 28, 2020
Summary
Researchers identified the first cardiac syndecan-2 interactome, revealing novel partners involved in cytoskeletal remodeling and protein metabolism. This study sheds light on syndecan-2
Area of Science:
- Cardiovascular Biology
- Extracellular Matrix Research
- Proteomics
Background:
- The extracellular matrix (ECM) plays a crucial role in cardiac remodeling.
- Syndecans are key mediators converting ECM changes into cellular signals.
- Syndecan-4 is implicated in cardiac remodeling, but syndecan-2's role remains unclear.
Purpose of the Study:
- To investigate the function of syndecan-2 in the heart by identifying its interaction partners.
- To establish the first cardiac syndecan-2 interactome in rat left ventricle.
Main Methods:
- Employed three distinct affinity purification techniques coupled with mass spectrometry (MS).
- Identified novel and previously known protein partners of syndecan-2.
- Validated eleven novel partners in HEK293 cells.
Main Results:
- Discovered 30 novel and 9 known interaction partners, forming the cardiac syndecan-2 interactome.
- Identified clusters of partners involved in cytoskeletal remodeling, protein metabolism, and the CAVIN family.
- Found syndecan-2 enriched in fibroblasts, with most partners present in both cardiomyocytes and fibroblasts.
- Observed minimal overlap between cardiac syndecan-2 and syndecan-4 interactomes.
Conclusions:
- The study provides the first comprehensive cardiac syndecan-2 interactome.
- Identified partners suggest roles in cytoskeletal dynamics and protein metabolism.
- Syndecan-2 and syndecan-4 likely have distinct functions in cardiac remodeling.
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