Independent Tuning of Nano-Ligand Frequency and Sequences Regulates the Adhesion and Differentiation of Stem Cells

© 2020 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 40 vom: 16. Okt., Seite e2004300
1. Verfasser: Min, Sunhong (VerfasserIn)
Weitere Verfasser: Jeon, Yoo Sang, Jung, Hee Joon, Khatua, Chandra, Li, Na, Bae, Gunhyu, Choi, Hyojun, Hong, Hyunsik, Shin, Jeong Eun, Ko, Min Jun, Ko, Han Seok, Jun, Indong, Fu, Hong En, Kim, Seung Hyun, Thangam, Ramar, Song, Jae-Jun, Dravid, Vinayak P, Kim, Young Keun, Kang, Heemin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article cell adhesion nano-ligand frequencies nano-ligand sequences stem cell differentiation unlimited nanobarcode tunability Ligands Oligopeptides Gold 7440-57-5 mehr... arginyl-glycyl-aspartic acid 78VO7F77PN Iron E1UOL152H7
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245 1 0 |a Independent Tuning of Nano-Ligand Frequency and Sequences Regulates the Adhesion and Differentiation of Stem Cells 
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520 |a The native extracellular matrix (ECM) can exhibit heterogeneous nano-sequences periodically displaying ligands to regulate complex cell-material interactions in vivo. Herein, an ECM-emulating heterogeneous barcoding system, including ligand-bearing Au and ligand-free Fe nano-segments, is developed to independently present tunable frequency and sequences in nano-segments of cell-adhesive RGD ligand. Specifically, similar exposed surface areas of total Fe and Au nano-segments are designed. Fe segments are used for substrate coupling of nanobarcodes and as ligand-free nano-segments and Au segments for ligand coating while maintaining both nanoscale (local) and macroscale (total) ligand density constant in all groups. Low nano-ligand frequency in the same sequences and terminally sequenced nano-ligands at the same frequency independently facilitate focal adhesion and mechanosensing of stem cells, which are collectively effective both in vitro and in vivo, thereby inducing stem cell differentiation. The Fe/RGD-Au nanobarcode implants exhibit high stability and no local and systemic toxicity in various tissues and organs in vivo. This work sheds novel insight into designing biomaterials with heterogeneous nano-ligand sequences at terminal sides and/or low frequency to facilitate cellular adhesion. Tuning the electrodeposition conditions can allow synthesis of unlimited combinations of ligand nano-sequences and frequencies, magnetic elements, and bioactive ligands to remotely regulate numerous host cells in vivo 
650 4 |a Journal Article 
650 4 |a cell adhesion 
650 4 |a nano-ligand frequencies 
650 4 |a nano-ligand sequences 
650 4 |a stem cell differentiation 
650 4 |a unlimited nanobarcode tunability 
650 7 |a Ligands  |2 NLM 
650 7 |a Oligopeptides  |2 NLM 
650 7 |a Gold  |2 NLM 
650 7 |a 7440-57-5  |2 NLM 
650 7 |a arginyl-glycyl-aspartic acid  |2 NLM 
650 7 |a 78VO7F77PN  |2 NLM 
650 7 |a Iron  |2 NLM 
650 7 |a E1UOL152H7  |2 NLM 
700 1 |a Jeon, Yoo Sang  |e verfasserin  |4 aut 
700 1 |a Jung, Hee Joon  |e verfasserin  |4 aut 
700 1 |a Khatua, Chandra  |e verfasserin  |4 aut 
700 1 |a Li, Na  |e verfasserin  |4 aut 
700 1 |a Bae, Gunhyu  |e verfasserin  |4 aut 
700 1 |a Choi, Hyojun  |e verfasserin  |4 aut 
700 1 |a Hong, Hyunsik  |e verfasserin  |4 aut 
700 1 |a Shin, Jeong Eun  |e verfasserin  |4 aut 
700 1 |a Ko, Min Jun  |e verfasserin  |4 aut 
700 1 |a Ko, Han Seok  |e verfasserin  |4 aut 
700 1 |a Jun, Indong  |e verfasserin  |4 aut 
700 1 |a Fu, Hong En  |e verfasserin  |4 aut 
700 1 |a Kim, Seung Hyun  |e verfasserin  |4 aut 
700 1 |a Thangam, Ramar  |e verfasserin  |4 aut 
700 1 |a Song, Jae-Jun  |e verfasserin  |4 aut 
700 1 |a Dravid, Vinayak P  |e verfasserin  |4 aut 
700 1 |a Kim, Young Keun  |e verfasserin  |4 aut 
700 1 |a Kang, Heemin  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 32(2020), 40 vom: 16. Okt., Seite e2004300  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnas 
773 1 8 |g volume:32  |g year:2020  |g number:40  |g day:16  |g month:10  |g pages:e2004300 
856 4 0 |u http://dx.doi.org/10.1002/adma.202004300  |3 Volltext 
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