Mouse Strain Deficient for the Protein MT1-MMP (MMP14)

Matrix metalloproteinases (MMPs) constitute a family of zinc endopeptidases that are capable of degrading most of the structural components of the extracellular matrix. The NIH announces a new mouse model deficient in MT1-MMP activity. This mouse model demonstrates the necessity of MT1-MMP for normal development of cranial bones, long bones and general housekeeping of connective tissues throughout the body. Since studies in the pharmaceutical industry are currently aiming at inhibiting the MMP family at large for purposes of cancer and arthritis treatment, this mouse model provides a valuable demonstration of the possible side effects that such treatment may lead to. As such this mouse model may also provide a test bed for the substances that can alleviate the unwanted side effects of MMP inhibitor treatments.


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Updated: Aug 1, 2000