Abstract:
:Matrix metalloproteinase (MMP)-2 and MMP-9 have been associated with the ability of tumor cells to metastasize because of their capacity to degrade type IV collagen, the main component of basement membrane, and to their elevated expression in malignant tumors. (S)-methyl 6-(benzyloxycarbonylamino)-2-(2-((S)-2,6-dioxo-3-(3,4,5-trimethoxybenzamido) piperidin-1-yl) acetamido) hexanoate (CH1104I) is a galloyl cyclic-imide derivative designed to fit and extend into the S1' active pocket of MMP-2 and MMP-9. We aimed to evaluate the efficacy of CH1104I as a candidate compound for antiinvasion and antimetastasis of tumor cells. CH1104I significantly blocked gelatinase activity as evidenced by a decrease in the degradation of succinylated gelatin. Gelatin zymography analysis showed that the compound (7-210 micromol/l) inhibited the activity of MMP-2 and MMP-9 produced by human ovarian carcinoma SKOV3 cells. Inhibition of MMP-2 and MMP-9 expression was also observed using the assays of immunocytochemical staining and western blot analysis. The results showed that CH1104I suppressed the expression of zymogens and active MMP-2 and MMP-9. The effects of CH1104I on the invasion and migration of SKOV3 cells were then measured. Both the trans-well motility assay and wound scratch assay indicated that CH1104I was very effective for the antiinvasion and antimigration of SKOV3 cells. Furthermore, the Lewis lung carcinoma model was used to evaluate the efficacy of CH1104I in vivo. A significant inhibition of pulmonary metastasis of carcinoma cells was observed in CH1104I-administrated mice (25-100 mg/kg). These results suggest that CH1104I is a potential MMP-2 and MMP-9 inhibitor that may effectively suppress tumor invasion and metastasis.
journal_name
Anticancer Drugsjournal_title
Anti-cancer drugsauthors
Chen MH,Cui SX,Cheng YN,Sun LR,Li QB,Xu WF,Ward SG,Tang W,Qu XJdoi
10.1097/CAD.0b013e328313e15bsubject
Has Abstractpub_date
2008-11-01 00:00:00pages
957-65issue
10eissn
0959-4973issn
1473-5741pii
00001813-200811000-00003journal_volume
19pub_type
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