ArticleJournal of molecular histology2015
MRP1 knockdown down-regulates the deposition of collagen and leads to a reduced hypertrophic scar fibrosis.
Article in Journal of molecular histology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- MicroRNA-192 regulates hypertrophic scar fibrosis by targeting SIP1.Journal of molecular histology · 2017Article
- Co-localization of LTBP-2 with FGF-2 in fibrotic human keloid and hypertrophic scar.Journal of molecular histology · 2016Article
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Authors and funding
14 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Multidrug resistance-associated protein 1 (MRP1) belongs to ATP-binding cassette transporters family. The overexpression of MRP1 is predominantly related with the failure of chemo-radiotherapy in various tumors. However, its possible role in hypertrophic scar (HS) is hardly investigated. Here we showed that the mRNA level and protein expression of MRP1 were higher in HS and HS derived fibroblasts (HSFs) than that in normal skin (NS) and NS derived fibroblasts (NSFs). Immunohistochemistry and immunofluorescence showed that the percentage of positive cells was higher in HS and HSFs. Meanwhile, the co-localization of MRP1 and α-SMA was stronger in HS. MRP1 knockdown in HSFs provoked a significant reduction in the protein expressions of collagen 3 and α-SMA in vitro. Moreover, MRP1 siRNA transfection could decrease the deposition of collagen in cultured tissues ex vivo and inhibit the scar formation in rabbit ear scar model in vivo. H&E staining and Masson trichrome staining revealed thinner and more orderly arranged collagen fiber in the MRP1 siRNA transfection group. The appearance of scar was improved as well. All these results indicate that MRP1 plays an important role in the formation of HS, MRP1 knockdown could be a potential method to reduce the accumulation of collagen and to improve the abnormal deposition of extracellular matrix in HS, which indicates that down-regulation of MRP1 has the potential therapeutic effect in the treatment and prophylaxis of HS.
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