Detection of Human MMP‑1 by Western Blot.
Western blot shows lysates of HEK001 human epidermal keratinocyte cell line. PVDF membrane was probed with 5 µg/mL of Goat Anti-Human MMP‑1 Monoclonal Antibody (Catalog # MAB9011) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for MMP‑1 at approximately 50 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Western Blot Shows Human MMP-1 Specificity by Using Knockout Cell Line.
Western blot shows lysates of PC‑3 human prostate cancer parental cell line and MMP-1 knockout PC‑3 cell line (KO). PVDF membrane was probed with 5 µg/mL of Goat Anti-Human MMP‑1 Monoclonal Antibody (Catalog # MAB9011) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for MMP‑1 at approximately 50 kDa (as indicated) in the parental PC-3 cell line, but is not detectable in knockout PC-3 cell line. GAPDH(Catalog # AF5718) is shown as a loading control.This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Matrix metalloproteinases are a family of zinc and calcium dependent endopeptidases with the combined ability to degrade all the components of the extracellular matrix. MMP-1 (interstitial collagenase), can degrade a broad range of substrates including types I, II, III, VII, VIII, and X collagens as well as casein, gelatin, alpha -1 antitrypsin, myelin basic protein, L-Selectin, pro-TNF, IL-1 beta, IGFBP-3, IGFBP-5, pro-MMP-2, and pro-MMP-9. A significant role of MMP-1 is the degradation of fibrillar collagens in extracellular matrix remodeling, characterized by the cleavage of the interstitial collagen triple helix into ¾, ¼ fragments. However, as the list of substrates above illustrates, the role of MMP-1 is more diverse than originally envisaged, and may involve enzyme cascades, cytokine regulation, and cell surface molecule modulation. MMP-1 is expressed by fibroblasts, keratinocytes, endothelial cells, monocytes, and macrophages. Structurally, MMP-1 may be divided into several distinct domains; a pro-domain which is cleaved upon activation; a catalytic domain containing the zinc binding site; a short hinge region and a carboxyl terminal (hemopexin-like) domain.
Cawston, T.E. (2004) in Interstitial Collagenase. Barrett, A.J. et al. (eds): Handbook of Proteolytic Enzymes, San Diego: Academic Press, p. 472.
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