PMID- 31845571 OWN - NLM STAT- MEDLINE DCOM- 20200518 LR - 20200518 IS - 1944-8252 (Electronic) IS - 1944-8244 (Linking) VI - 11 IP - 51 DP - 2019 Dec 26 TI - Selective Regulation of Neurons, Glial Cells, and Neural Stem/Precursor Cells by Poly(allylguanidine)-Coated Surfaces. PG - 48381-48392 LID - 10.1021/acsami.9b17143 [doi] AB - Poly(allylguanidine) (PAG) was synthesized and characterized as a polycationic coating material for culturing neurons, glial cells, and neural stem/precursor cells (NSPCs) to apply PAG for neural tissue engineering. For comparison, poly-d-lysine (PDL), the golden benchmark of the neuron cell culture system, was also used in this study. When PAG was subjected to a mixed culture of neurons and glial cells, cell adhesion and neurite extension of neuronal cells were clearly observed but only few glial cells could be found alongside the neurons. Compared to PDL, the significantly lower density of the glial fibrillary acidic protein-positive cells implied that PAG suppressed the glial cell development. Likewise, PAG was demonstrated to dominate the differentiation of NSPCs principally into neurons. To investigate whether the different effects of PAG and PDL on neuron and glial cell behaviors resulted from the difference of guanidinium cations and ammonium cations, poly-l-arginine (PLA) was included and compared in this study. Similar to PDL, PLA supported high neuron and glial cell viability simultaneously. Consequently, glial cell growth and viability restrained on PAG was not only affected by the side-chain guanidino groups but also by the backbone structure property. The absence of the peptide structure in the backbone of PAG and the conformation of coated PAG on tissue culture polystyrene possibly determined the polycationic biomaterial to limit the growth of glial cells. FAU - Ji, You-Ren AU - Ji YR AUID- ORCID: 0000-0001-6394-041X AD - Department of Biomedical Engineering , National Taiwan University , Taipei 100 , Taiwan. FAU - Homaeigohar, Shahin AU - Homaeigohar S AD - Nanochemistry and Nanoengineering, School of Chemical Engineering, Department of Chemistry and Materials Science , Aalto University , Kemistintie 1 , 00076 Aalto , Finland. FAU - Wang, Yu-Hsin AU - Wang YH AD - Department of Biomedical Engineering , National Taiwan University , Taipei 100 , Taiwan. FAU - Lin, Chen AU - Lin C AD - Department of Biomedical Engineering , National Taiwan University , Taipei 100 , Taiwan. FAU - Su, Tai-Yuan AU - Su TY AD - Department of Electrical Engineering , Yuan-Ze University , Taoyuan 320 , Taiwan. FAU - Cheng, Ching-Chia AU - Cheng CC AD - Department of Biomedical Engineering , National Taiwan University , Taipei 100 , Taiwan. FAU - Yang, Shih-Hung AU - Yang SH FAU - Young, Tai-Horng AU - Young TH AUID- ORCID: 0000-0001-5338-4747 AD - Department of Biomedical Engineering , National Taiwan University , Taipei 100 , Taiwan. LA - eng PT - Journal Article DEP - 20191217 PL - United States TA - ACS Appl Mater Interfaces JT - ACS applied materials & interfaces JID - 101504991 RN - 0 (Biocompatible Materials) RN - 0 (Peptides) RN - 0 (Polymers) RN - 25191-17-7 (polyalanine) SB - IM MH - Animals MH - Biocompatible Materials/*chemistry/*pharmacology MH - Cell Proliferation/drug effects MH - Cell Survival/drug effects MH - Neural Stem Cells/*drug effects MH - Neuroglia/*drug effects MH - Neurons/*drug effects MH - Peptides/*chemistry MH - Polymers/*chemistry/*pharmacology MH - Rats MH - Tissue Engineering/methods OTO - NOTNLM OT - glial cells OT - neural stem/precursor cells (NSPCs) OT - neurons OT - poly(allylguanidine) (PAG) OT - poly-d-lysine (PDL) OT - poly-l-arginine (PLA) EDAT- 2019/12/18 06:00 MHDA- 2020/05/19 06:00 CRDT- 2019/12/18 06:00 PHST- 2019/12/18 06:00 [pubmed] PHST- 2020/05/19 06:00 [medline] PHST- 2019/12/18 06:00 [entrez] AID - 10.1021/acsami.9b17143 [doi] PST - ppublish SO - ACS Appl Mater Interfaces. 2019 Dec 26;11(51):48381-48392. doi: 10.1021/acsami.9b17143. Epub 2019 Dec 17.