Intracellular Staining by Flow Cytometry
|Detection of TIMP‑1 in NS0 Mouse Cell Line transfected with human TIMP-1 by Flow Cytometry. NS0 mouse myeloma cell line transfected with human TIMP-1 was stained with Mouse Anti-Human TIMP‑1 PE‑conjugated Monoclonal Antibody (Catalog # IC970P, filled histogram) or isotype control antibody (Catalog # IC0041P, open histogram). View our protocol for Staining Intracellular Molecules.|
Tissue inhibitors of metalloproteinases or TIMPs are a family of proteins that regulate the activation and proteolytic activity of the zinc enzymes known as matrix metalloproteinases (MMPs). There are four members of the family, TIMP-1, TIMP-2, TIMP-3, and TIMP-4. TIMP-1 is a glycoprotein with a molecular mass of 28 kDa produced by a wide range of cell types. TIMP-1 inhibits active MMP-mediated proteolysis by forming an N-terminal, non-covalent binary complex with the MMP active site. TIMP-1 also associates C-terminally with Pro-MMP-9 in a complex which may play a role in regulating activation. Independent of MMPs, TIMP-1 has been shown to have a role in tissue homeostasis.
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