منابع مشابه
Tether before synapse
Tether before synapse C hemokines are captured on the surface of dendritic cells in lymph nodes, and they in turn capture T cells, say Rachel Friedman, Jordan Jacobelli, and Matthew Krummel (University of California, San Francisco, CA). The tethered T cells continue to search for a site worthy of a full immunological synapse, which they can form with either the same or another antigen-presentin...
متن کاملGRASP: A Multitasking Tether
Originally identified as Golgi stacking factors in vitro, the Golgi reassembly stacking protein (GRASP) family has been shown to act as membrane tethers with multiple cellular roles. As an update to previous comprehensive reviews of the GRASP family (Giuliani et al., 2011; Vinke et al., 2011; Jarvela and Linstedt, 2012), we outline here the latest findings concerning their diverse roles. New in...
متن کاملDeorbiting Dynamics of Electrodynamic Tether
This paper studies satellite deorbit using electrodynamic tether (EDT) propulsion. Gaussian perturbation equations are used to model the orbital dynamics of EDT with environmental perturbations of electrodynamic force, aerodynamic drag and the effect of Earth’s oblateness. Differential equations for the induced voltage-current across EDT are derived and solved with boundary conditions determine...
متن کاملTether forces in DNA electrophoresisw
This tutorial review introduces the concepts necessary for understanding the generation of forces on charged objects in solution by externally applied electric fields. We focus on simple, idealized cases and conceptual understanding rather than quantitative modeling. We also discuss experiments in which electrophoretic forces on DNA were directly measured. This review is aimed at readers intere...
متن کاملCell cytoskeleton and tether extraction.
We perform a detailed investigation of the force × deformation curve in tether extraction from 3T3 cells by optical tweezers. Contrary to conventional wisdom about tethers extracted from cells, we find that actin filaments are present within them, so that a revised theory of tether pulling from cells is called for. We also measure steady and maximum tether force values significantly higher than...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2006
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.1751rr2