Abstract:
:Delivery of proteins has been regarded as the safest and most useful application in therapeutic application of stem cells, because proteins can regulate gene expression transiently without any genomic alteration. However, it is difficult to accurately measure efficiency or quantity of intracellular protein uptake. Here, we performed a comparison study of cell-penetrating peptide (CPP)-conjugated protein delivery system using seven arginine and Streptolysin O (SLO)-mediated system. To compare CPP- and SLO-mediated protein delivery systems, we used GFP and ESRRB protein, which is known to regulate pluripotency-related genes, for delivery into human bone marrow stromal cells (hBMSCs) and human testicular stromal cells (hTSCs). We found that CPP-conjugated protein delivery was more efficient, lower cytotoxicity, and higher biological activity than SLO-mediated protein delivery system. These results suggest that delivery of CPP-conjugated proteins is an efficient tool for introducing biologically active proteins into cells and may have important implications in clinical cell-based therapy.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jo J,Hong S,Choi WY,Lee DRdoi
10.1038/srep04378subject
Has Abstractpub_date
2014-03-14 00:00:00pages
4378issn
2045-2322pii
srep04378journal_volume
4pub_type
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,随机对照试验
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更新日期:2016-05-09 00:00:00
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pub_type: 杂志文章,随机对照试验
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journal_title:Scientific reports
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journal_title:Scientific reports
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journal_title:Scientific reports
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