When collagen activates DDR2 receptors, it starts signals that help build the structural framework around cells, which is important for tissue strength and repair.

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The Molecular Interaction of Collagen with Cell Receptors for Biological Function

Narrative Review

This study talks generally about how collagen talks to cells, but it doesn’t show that collagen uses DDR2 to turn on the PI3K/Akt and JNK/MAPK pathways to build more matrix — so it doesn’t prove the claim.

Source Study

The Molecular Interaction of Collagen with Cell Receptors for Biological Function

Score: 1

DOI: 10.3390/polym14050876

Similar Assertions

When collagen touches two special cell sensors called DDR1 and DDR2, they turn on slow, long-lasting signals that tell cells to grow, move, and rebuild tissues.

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Two types of receptors (DDR1 and DDR2) on cell surfaces get turned on when collagen binds to them, which then starts chains of chemical signals inside the cell that control growth and survival.

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