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| Content Provider | PubMed Central |
|---|---|
| Author | Kress, Alla Ferrand, Patrick Hervé, Rigneault Tomasz, Trombik He, Hai-tao Marguet, Didier Sophie, Brasselet |
| Copyright Year | 2011 |
| Abstract | Steady-state polarization-resolved fluorescence imaging is used to analyze the molecular orientational order behavior of rigidly labeled major histocompatibility complex class I (MHC I) proteins and lipid probes in cell membranes of living cells. These fluorescent probes report the orientational properties of proteins and their surrounding lipid environment. We present a statistical study of the molecular orientational order, modeled as the width of the angular distribution of the molecules, for the proteins in the cell endomembrane and plasma membrane, as well as for the lipid probes in the plasma membrane. We apply this methodology on cells after treatments affecting the actin and microtubule networks. We find in particular opposite orientational order changes of proteins and lipid probes in the plasma membrane as a response to the cytoskeleton disruption. This suggests that MHC I orientational order is governed by its interaction with the cytoskeleton, whereas the plasma membrane lipid order is governed by the local cell membrane morphology. |
| Related Links | http://dx.doi.org/10.1016/j.bpj.2011.05.021 |
| Ending Page | 476 |
| Page Count | 9 |
| Starting Page | 468 |
| File Format | |
| ISSN | 00063495 |
| e-ISSN | 15420086 |
| Journal | Biophysical Journal |
| Issue Number | 2 |
| Volume Number | 101 |
| Language | English |
| Publisher | The Biophysical Society |
| Publisher Date | 2011-07-01 |
| Access Restriction | Open |
| Rights Holder | The Biophysical Society |
| Subject Keyword | Biophysics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biophysics |
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