Abstract:
:The cell surface receptor integrin is involved in signaling mechanical stresses via the focal adhesion complex (FAC) into the cell. Within FAC, the focal adhesion kinase (FAK) and Pyk2 are believed to act as important scaffolding proteins. Based on the knowledge that many signal transducing molecules are transiently immobilized within FAC connecting the cytoskeleton with integrins, we applied magnetic tweezer and atomic force microscopic measurements to determine the influence of FAK and Pyk2 in cells mechanically. Using mouse embryonic fibroblasts (MEF; FAK(+/+), FAK(-/-), and siRNA-Pyk2 treated FAK(-/-) cells) provided a unique opportunity to describe the function of FAK and Pyk2 in more detail and to define their influence on FAC and actin distribution.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Klemm AH,Kienle S,Rheinlaender J,Schäffer TE,Goldmann WHdoi
10.1016/j.bbrc.2010.02.059subject
Has Abstractpub_date
2010-03-19 00:00:00pages
694-7issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(10)00279-2journal_volume
393pub_type
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