B is required for the recruitment of endothelial stem cells, a critical component of angiogenesis

Wound repair

MMP9 is greatly upregulated during human respiratory epithelial healing. Using a MMP9 deficient mouse model, it was seen that MMP9 coordinated epithelial wound repair and deficient mice were unable to remove the fibrinogen matrix during wound healing. When interacting with TGF-ß1, Gelatinase B also stimulates collagen contraction, aiding in wound closure.

Structure

MMP9

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