Abstract:
:Nonenzymatic glycation of extracellular matrix (ECM) proteins is increased in diabetes mellitus and aging and triggers cellular events leading to an imbalance in ECM homeostasis. We studied the influence of collagen glycation on matrix metalloproteinase production by dermal fibroblasts using the model of lattice cultures. Contraction of glycated collagen lattices was strongly reduced when compared to controls. Meanwhile, fibroblasts synthesized lower amounts of interstitial collagenase (MMP-1). Gelatinase A (MMP-2) production was not modified, but its activation was strongly inhibited. These effects were independent from the intensity of lattice contraction and from any simultaneous modification of tissue inhibitors of metalloproteinase (TIMP-1 and 2) production. These results demonstrate that the impaired ability of fibroblasts to remodel and contract a glycated extracellular matrix coincides with a decrease in MMP production.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Rittié L,Berton A,Monboisse JC,Hornebeck W,Gillery Pdoi
10.1006/bbrc.1999.1519subject
Has Abstractpub_date
1999-10-22 00:00:00pages
488-92issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(99)91519-Xjournal_volume
264pub_type
杂志文章abstract::We found that pyridoxal phosphate shows considerable inhibition of cathepsins. CLIK-071, in which the phosphate ester of position 3 of pyridoxal phosphate was replaced by propionate, strongly inhibited cathepsin B. Three new types of synthetic pyridoxal propionate derivatives showing specific inhibition of cathepsin K...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章,评审
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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