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Updated: May 12, 2026

A Mouse Model to Investigate the Role of Cancer-Associated Fibroblasts in Tumor Growth
Published on: December 22, 2020
The disintegrin domain of ADAM17 antagonises fibroblast‑carcinoma cell interactions
Ahmad Trad1, Michel Riese, Mohammad Shomali
1Institute of Biochemistry, Christian-Albrechts University of Kiel, D-24118 Kiel, Germany.
Abstract:
The malignant phenotype of carcinoma cells depends on their ability to invade into their microenvironment promoting metastasis. Therefore, carcinoma cells overexpress many proteins, including A disintegrin and metalloproteases (ADAMs). ADAM17 is expressed by different cancer cell lines and possesses adhesive as well as enzymatic activities. To address the adhesive properties in tumour progression the recombinantly expressed soluble disintegrin domain of ADAM17 was employed. Fibroblasts and carcinoma cells adhere to the immobilized disintegrin domain. Additionally, the soluble disintegrin domain impaired fibroblast-carcinoma cell interactions and increased the shedding activity of ADAM17. Silencing of ADAM17 in fibroblasts or in carcinoma cells decreases cell-cell interaction between these cells. In summary, our results show that the adhesive properties of ADAM17 are mediated by its disintegrin domain and enables carcinoma cells to interact with their microenvironment.
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