Abstract:
:We aimed to evaluate the effect of small interfering RNA (siRNA) targeting CTGF on extracellular matrices (ECMs) metabolism in normal and SSc fibroblasts. Normal and SSc fibroblasts were transfected with CTGF-specific siRNAs to silence CTGF synthesis. After silencing CTGF, production of type I collagen and matrix metalloproteinase (MMP)-1 by fibroblasts stimulated with TGF-beta was examined. Then quantitative analyses of protein production or mRNA expression of type I collagen, MMP-1,-2,-9 and tissue inhibitor of metalloproteinase (TIMP)-1 with TGF-beta stimulation were carried out. Furthermore, after silencing CTGF, proliferations of normal and SSc fibroblasts were investigated. CTGF-specific siRNA significantly reduced CTGF production. The production of type I collagen was significantly reduced by CTGF silencing in normal fibroblasts. The CTGF silencing significantly increased the production of MMP-1 and decreased the production of TIMP-1 in SSc fibroblasts. The mRNA expression of MMP-1 was increased in CTGF-silenced SSc fibroblasts, but not in normal fibroblasts. There were no significant changes in the production or mRNA expression of other ECM-related genes in normal and SSc fibroblasts. Fibroblast proliferations were suppressed by CTGF silencing in normal and SSc fibroblasts. Our data showed that MMP-1 was increased by CTGF-specific siRNA transfection only in SSc fibroblasts. RNAi targeting CTGF could be a novel therapeutic strategy for SSc.
journal_name
Exp Dermatoljournal_title
Experimental dermatologyauthors
Ishibuchi H,Abe M,Yokoyama Y,Ishikawa Odoi
10.1111/j.1600-0625.2009.00999.xsubject
Has Abstractpub_date
2010-08-01 00:00:00pages
e111-6issue
8eissn
0906-6705issn
1600-0625pii
EXD999journal_volume
19pub_type
杂志文章abstract::Flavonoids belong to a large group of polyphenolic compounds that are widely present in plants. Certain flavonoids, including naringenin, have cytoprotective properties. Although the antioxidant effect has long been thought to be a crucial factor accounting for the cellular effects of flavonoids, mitochondrial channel...
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abstract::Decorin is a natural transforming growth factor-β1 (TGF-β1) antagonist. Reduced decorin synthesis is associated with dermal scarring, and increased decorin expression appears to reduce scar tissue formation. To investigate the therapeutic potential of decorin for keloids, human dermal fibroblasts (HDFs) and keloid-der...
journal_title:Experimental dermatology
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journal_title:Experimental dermatology
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journal_title:Experimental dermatology
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pub_type: 评论,杂志文章
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.1600-0625.2008.00776.x
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abstract::Newborn foreskin and adult skin keratinocytes (KTs) were cultured in 24-well plates using keratinocyte basal medium (KBM) either alone or supplemented with epidermal growth factor (EGF) or nerve growth factor (NGF), plus one of the following: insulin (INS), insulin-like growth factors (IGF)-1 or -2, transforming growt...
journal_title:Experimental dermatology
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.0906-6705.2004.00098.x
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abstract::Pheomelanin is supposed to be the first type of melanin found in vertebrates, in contrast to the main type - eumelanin. Our study aimed at detecting pheomelanin in the skin of Hymenochirus boettgerii. We employed electron paramagnetic resonance (EPR) spectroscopy, and transmission electron microscopy (TEM), supplement...
journal_title:Experimental dermatology
pub_type: 信件
doi:10.1111/j.1600-0625.2012.01511.x
更新日期:2012-07-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.1600-0625.2011.01425.x
更新日期:2012-02-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.0906-6705.2005.00348.x
更新日期:2005-09-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/exd.12239
更新日期:2013-11-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/exd.14196
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1034/j.1600-0625.2002.110510.x
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pub_type: 信件
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journal_title:Experimental dermatology
pub_type: 杂志文章
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1034/j.1600-0625.2000.009003219.x
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1034/j.1600-0625.2003.00077.x
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journal_title:Experimental dermatology
pub_type: 杂志文章
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更新日期:2015-09-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 信件
doi:10.1111/j.1600-0625.2012.01559.x
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journal_title:Experimental dermatology
pub_type: 信件
doi:10.1111/exd.13247
更新日期:2017-08-01 00:00:00
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journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.1600-0625.2011.01275.x
更新日期:2011-08-01 00:00:00
abstract::The transplantation of allogeneic cells such as pancreatic islet cells, bone marrow, and keratinocytes for skin replacement is in growing use clinically. Present techniques which are used to distinguish transplanted allogeneic cells from phenotypically identical host cells in chimeric tissue have serious limitations. ...
journal_title:Experimental dermatology
pub_type: 杂志文章
doi:10.1111/j.1600-0625.1993.tb00195.x
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