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HAF007). A specific band was detected for MMP-1 at approximately 54 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1." class="big_lightbox" target="_blank">
CTS002) and counterstained with hematoxylin (blue). Lower panel shows a lack of labeling if primary antibodies are omitted and tissue is stained only with secondary antibody followed by incubation with detection reagents. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections." class="big_lightbox" target="_blank">
HAF018). 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." class="big_lightbox" target="_blank">
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." class="big_lightbox" target="_blank">
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." class="big_lightbox" target="_blank">
Human interstitial collagenase (matrix metalloproteinase-1, MMP-1), an enzyme whose only known physiologic substrate has heretofore been believed to be the extracellular matrix molecule, collagen. Data indicate that matrix metalloproteinase-1 displays an expanded substrate repertoire that supports the existence of a new interface between connective tissue turnover and serine proteinase inhibitors (1). It has been shown that the MMP-1 functions as a protease agonist of Protease-activated receptors (PAR1) cleaving the receptor at the proper site to generate PAR1-dependent Ca2+ signals and migration. These results demonstrate that MMP-1 in the stromal-tumor microenvironment can alter the behavior of cancer cells through PAR1 to promote cell migration and invasion (2). It has also been suggested that increased levels of MMP-1 due to tobacco smoking plays a major role in the aging process of skin since MMP-1 degrades collagen, which accounts for at least 70% of the dry weight of dermis. Significantly more MMP-1 has been detected in the skin of smokers than non-smokers whereas no difference was seen for the tissue inhibitor of metalloproteinases 1 (3).