This title appears in the Scientific Report :
2012
Please use the identifier:
http://dx.doi.org/10.1021/la302500r in citations.
Positively Charged Supported Lipid Bilayers as a Biomimetric Platform for Neuronal Cell Culture
Positively Charged Supported Lipid Bilayers as a Biomimetric Platform for Neuronal Cell Culture
The supported lipid bilayer (SLB) is a well-known system for studying the cell membrane and membrane proteins. It is also promising as a platform for studying cell processes: the cell adhesion, the cell membrane receptors, and the intercellular signaling processes. SLBs made of natural lipids appear...
Saved in:
Personal Name(s): | Afanasenkau, D. |
---|---|
Offenhäusser, A. | |
Contributing Institute: |
Bioelektronik; ICS-8 JARA-FIT; JARA-FIT Bioelektronik; PGI-8 |
Published in: | Langmuir, 28 (2012) S. 13387 - 13394 |
Imprint: |
Washington, DC
ACS Publ.
2012
|
Physical Description: |
13387 - 13394 |
PubMed ID: |
22920161 |
DOI: |
10.1021/la302500r |
Document Type: |
Journal Article |
Research Program: |
BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung Grundlagen für zukünftige Informationstechnologien |
Series Title: |
Langmuir
28 |
Subject (ZB): | |
Publikationsportal JuSER |
The supported lipid bilayer (SLB) is a well-known system for studying the cell membrane and membrane proteins. It is also promising as a platform for studying cell processes: the cell adhesion, the cell membrane receptors, and the intercellular signaling processes. SLBs made of natural lipids appeared to be protein and cell repellent. Thus, to use the SLB as a substrate for cells, one should functionalize them to provide adhesion. In the present paper, we describe a simple approach to promote adhesion of neuronal cells to the SLB without using proteins or peptides, by introducing positively charged lipids 1,2-dioleoyl-3-trimethylammonium-propane (DOTAP) into the SLB made of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC). We show that neurons adhere to these bilayers and grow for at least 10 days. The SLBs themselves were found to degrade with time in cell culture conditions, but maintained fluidity (as revealed by fluorescence recovery after photobleaching), demonstrating the possibility of using SLBs for studying neuronal cells in culture. |