Rapid parallel flow cytometry assays of active GTPases using effector beads

被引:15
作者
Buranda, Tione [1 ,2 ,3 ]
BasuRay, Soumik [1 ]
Swanson, Scarlett [1 ]
Agola, Jacob [1 ]
Bondu, Virginie [1 ]
Wandinger-Ness, Angela [1 ,2 ]
机构
[1] Univ New Mexico, Sch Med, Dept Pathol, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Sch Med, Ctr Canc, Albuquerque, NM 87131 USA
[3] Univ New Mexico, Sch Med, Ctr Infect Dis & Immun, Albuquerque, NM 87131 USA
基金
美国国家卫生研究院; 美国国家科学基金会;
关键词
Rho; Rac; Cdc42; Rab GTPases; Hantavirus; lntegrins; DECAY-ACCELERATING FACTOR; BCL-2 FAMILY PROTEINS; RHO-GTPASES; NUCLEOTIDE-BINDING; GROWTH-FACTOR; CELL; ACTIVATION; KINASE; RAS; PATHWAY;
D O I
10.1016/j.ab.2013.07.039
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
We describe a rapid assay for measuring the cellular activity of small guanine triphosphatases (GTPases) in response to a specific stimulus. Effector-functionalized beads are used to quantify in parallel multiple GTP-bound GTPases in the same cell lysate by flow cytometry. In a biologically relevant example, five different Ras family GTPases are shown for the first time to be involved in a concerted signaling cascade downstream of receptor ligation by Sin Nombre hantavirus. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码:149 / 157
页数:9
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