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- Title
Tensin-2 interactomics reveals interaction with GAPDH and a phosphorylation-mediated regulatory role in glycolysis.
- Authors
Turkki, Paula; Chowdhury, Iftekhar; Öhman, Tiina; Azizi, Latifeh; Varjosalo, Markku; Hytönen, Vesa P.
- Abstract
Integrin adaptor proteins, like tensin-2, are crucial for cell adhesion and signaling. However, the function of tensin-2 beyond localizing to focal adhesions remain poorly understood. We utilized proximity-dependent biotinylation and Strep-tag affinity proteomics to identify interaction partners of tensin-2 in Flp-In 293 T-REx cells. Interactomics linked tensin-2 to known focal adhesion proteins and the dystrophin glycoprotein complex, while also uncovering novel interaction with the glycolytic enzyme GAPDH. We demonstrated that Y483-phosphorylation of tensin-2 regulates the glycolytic rate in Flp-In 293 T-REx and MEF cells and found that pY483 tensin-2 is enriched in adhesions in MEF cells. Our study unveils novel interaction partners for tensin-2 and further solidifies its speculated role in cell energy metabolism. These findings shed fresh insight on the functions of tensin-2, highlighting its potential as a therapeutic target for diseases associated with impaired cell adhesion and metabolism.
- Publication
Scientific Reports, 2024, Vol 14, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-024-65787-7