L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events
L-selectin mediated tethers result in leukocyte rolling only above a threshold in shear. Here we present biophysical modeling based on recently published data from flow chamber experiments (Dwir et al., J. Cell Biol. 163: 649-659, 2003) which supports the interpretation that L-selectin mediated teth...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
2005
|
| In: |
Arxiv
|
| Online Access: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/q-bio/0504008 |
| Author Notes: | Ulrich S. Schwarz, Theory Division, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany; Ronen Alon, Department of Immunology, Weizmann Institute of Science, Rehovot, 76100 Israel |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1566418615 | ||
| 003 | DE-627 | ||
| 005 | 20220814044244.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 171215s2005 xx |||||o 00| ||eng c | ||
| 035 | |a (DE-627)1566418615 | ||
| 035 | |a (DE-576)496418610 | ||
| 035 | |a (DE-599)BSZ496418610 | ||
| 035 | |a (OCoLC)1340983599 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Schwarz, Ulrich S. |d 1966- |e VerfasserIn |0 (DE-588)120379473 |0 (DE-627)080637280 |0 (DE-576)297582763 |4 aut | |
| 245 | 1 | 0 | |a L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events |c Ulrich S. Schwarz, Theory Division, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany; Ronen Alon, Department of Immunology, Weizmann Institute of Science, Rehovot, 76100 Israel |
| 264 | 1 | |c 2005 | |
| 300 | |a 9 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Gesehen am 15.12.2017 | ||
| 520 | |a L-selectin mediated tethers result in leukocyte rolling only above a threshold in shear. Here we present biophysical modeling based on recently published data from flow chamber experiments (Dwir et al., J. Cell Biol. 163: 649-659, 2003) which supports the interpretation that L-selectin mediated tethers below the shear threshold correspond to single L-selectin carbohydrate bonds dissociating on the time scale of milliseconds, whereas L-selectin mediated tethers above the shear threshold are stabilized by multiple bonds and fast rebinding of broken bonds, resulting in tether lifetimes on the timescale of $10^{-1}$ seconds. Our calculations for cluster dissociation suggest that the single molecule rebinding rate is of the order of $10^4$ Hz. A similar estimate results if increased tether dissociation for tail-truncated L-selectin mutants above the shear threshold is modeled as diffusive escape of single receptors from the rebinding region due to increased mobility. Using computer simulations, we show that our model yields first order dissociation kinetics and exponential dependence of tether dissociation rates on shear stress. Our results suggest that multiple contacts, cytoskeletal anchorage of L-selectin and local rebinding of ligand play important roles in L-selectin tether stabilization and progression of tethers into persistent rolling on endothelial surfaces. | ||
| 650 | 4 | |a Quantitative Biology - Subcellular Processes | |
| 700 | 1 | |a Alon, Ronen |d 1961- |e VerfasserIn |0 (DE-588)1150263377 |0 (DE-627)1010451235 |0 (DE-576)496418351 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Arxiv |d Ithaca, NY : Cornell University, 1991 |g (2005) Artikel-Nummer 0504008, 9 Seiten |h Online-Ressource |w (DE-627)509006531 |w (DE-600)2225896-6 |w (DE-576)28130436X |7 nnas |a L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events |
| 773 | 1 | 8 | |g year:2005 |g extent:9 |a L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events |
| 856 | 4 | 0 | |u http://arxiv.org/abs/q-bio/0504008 |x Verlag |z kostenfrei |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20171215 | ||
| 993 | |a Article | ||
| 998 | |g 120379473 |a Schwarz, Ulrich S. |m 120379473:Schwarz, Ulrich S. |d 130000 |e 130000PS120379473 |k 0/130000/ |p 1 |x j | ||
| 999 | |a KXP-PPN1566418615 |e 2990034447 | ||
| BIB | |a Y | ||
| JSO | |a {"person":[{"family":"Schwarz","display":"Schwarz, Ulrich S.","role":"aut","given":"Ulrich S."},{"role":"aut","given":"Ronen","family":"Alon","display":"Alon, Ronen"}],"id":{"eki":["1566418615"]},"relHost":[{"part":{"year":"2005","text":"(2005) Artikel-Nummer 0504008, 9 Seiten","extent":"9"},"disp":"L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding eventsArxiv","titleAlt":[{"title":"Arxiv.org"},{"title":"Arxiv.org e-print archive"},{"title":"Arxiv e-print archive"},{"title":"De.arxiv.org"}],"id":{"zdb":["2225896-6"],"eki":["509006531"]},"physDesc":[{"extent":"Online-Ressource"}],"title":[{"title_sort":"Arxiv","title":"Arxiv"}],"type":{"bibl":"edited-book","media":"Online-Ressource"},"recId":"509006531","language":["eng"],"note":["Gesehen am 28.05.2024"],"origin":[{"dateIssuedKey":"1991","dateIssuedDisp":"1991-","publisher":"Cornell University ; Arxiv.org","publisherPlace":"Ithaca, NY ; [Erscheinungsort nicht ermittelbar]"}],"pubHistory":["1991 -"]}],"physDesc":[{"extent":"9 S."}],"title":[{"title":"L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events","title_sort":"L-selectin mediated leukocyte tethering in shear flow is controlled by multiple contacts and cytoskeletal anchorage facilitating fast rebinding events"}],"type":{"media":"Online-Ressource","bibl":"chapter"},"note":["Gesehen am 15.12.2017"],"language":["eng"],"recId":"1566418615","origin":[{"dateIssuedKey":"2005","dateIssuedDisp":"2005"}],"name":{"displayForm":["Ulrich S. Schwarz, Theory Division, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany; Ronen Alon, Department of Immunology, Weizmann Institute of Science, Rehovot, 76100 Israel"]}} | ||
| SRT | |a SCHWARZULRLSELECTINM2005 | ||