Gelatin degradation assay reveals MMP-9 inhibitors and function of O-glycosylated domain.
Gelatin degradation assay reveals MMP-9 inhibitors and function of O-glycosylated domain.
复制标题
明胶降解测定揭示了 MMP-9 抑制剂和 O-糖基化结构域的功能。
DOI:
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
G. Opdenakker
中科院分区:
文献类型:
--
作者:
J. Vandooren;N. Geurts;E. Martens;P. E. Van den Steen;S. D. Jonghe;P. Herdewijn;G. Opdenakker
AIM
To establish a novel, sensitive and high-throughput gelatinolytic assay to define new inhibitors and compare domain deletion mutants of gelatinase B/matrix metalloproteinase (MMP)-9.
METHODS
Fluorogenic Dye-quenched (DQ)™-gelatin was used as a substrate and biochemical parameters (substrate and enzyme concentrations, DMSO solvent concentrations) were optimized to establish a high-throughput assay system. Various small-sized libraries (ChemDiv, InterBioScreen and ChemBridge) of heterocyclic, drug-like substances were tested and compared with prototypic inhibitors.
RESULTS
First, we designed a test system with gelatin as a natural substrate. Second, the assay was validated by selecting a novel pyrimidine-2,4,6-trione (barbiturate) inhibitor. Third, and in line with present structural data on collagenolysis, it was found that deletion of the O-glycosylated region significantly decreased gelatinolytic activity (k(cat)/k(M) ± 40% less than full-length MMP-9).
CONCLUSION
The DQ™-gelatin assay is useful in high-throughput drug screening and exosite targeting. We demonstrate that flexibility between the catalytic and hemopexin domain is functionally critical for gelatinolysis.
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影响因子:
3.8
作者:
Nagle, Dale G.;Ferreira, Daneel;Zhou, Yu-Dong
通讯作者:
Zhou, Yu-Dong
影响因子:
5.2
作者:
Tao P;Fisher JF;Mobashery S;Schlegel HB
通讯作者:
Schlegel HB
DOI:
10.1016/j.matbio.2004.05.002
发表时间:
2004-06
期刊:
Matrix biology : journal of the International Society for Matrix Biology
影响因子:
--
作者:
Xiaoping Xu;Yao Wang;Janelle L. Lauer-Fields;G. Fields;B. Steffensen
通讯作者:
Xiaoping Xu;Yao Wang;Janelle L. Lauer-Fields;G. Fields;B. Steffensen
DOI:
10.1042/bj20070591
发表时间:
2007-08
期刊:
The Biochemical journal
影响因子:
--
作者:
Xiaoping Xu;Zhihua Chen;Yao Wang;L. Bonewald;B. Steffensen
通讯作者:
Xiaoping Xu;Zhihua Chen;Yao Wang;L. Bonewald;B. Steffensen
影响因子:
5.6
作者:
Tochowicz, Anna;Maskos, Klaus;Goettig, Peter
通讯作者:
Goettig, Peter