Title : Focal adhesion kinase mediates the interferon-gamma-inducible GTPase-induced phosphatidylinositol 3-kinase/Akt survival pathway and further initiates a positive feedback loop of NF-kappaB activation.

Pub. Date : 2008 Sep

PMID : 18452580






7 Functional Relationships(s)
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1 In this study, using doxcycycline-inducible Tet-On HeLa cells that overexpress IGTP, we have demonstrated that focal adhesion kinase (FAK) is phosphorylated in response to IGTP expression and that transfection of the Tet-On HeLa cells with a dominant negative FAK (FRNK) blocks Akt activation. igtp protein tyrosine kinase 2 Homo sapiens
2 In this study, using doxcycycline-inducible Tet-On HeLa cells that overexpress IGTP, we have demonstrated that focal adhesion kinase (FAK) is phosphorylated in response to IGTP expression and that transfection of the Tet-On HeLa cells with a dominant negative FAK (FRNK) blocks Akt activation. igtp protein tyrosine kinase 2 Homo sapiens
3 In this study, using doxcycycline-inducible Tet-On HeLa cells that overexpress IGTP, we have demonstrated that focal adhesion kinase (FAK) is phosphorylated in response to IGTP expression and that transfection of the Tet-On HeLa cells with a dominant negative FAK (FRNK) blocks Akt activation. igtp protein tyrosine kinase 2 Homo sapiens
4 In this study, using doxcycycline-inducible Tet-On HeLa cells that overexpress IGTP, we have demonstrated that focal adhesion kinase (FAK) is phosphorylated in response to IGTP expression and that transfection of the Tet-On HeLa cells with a dominant negative FAK (FRNK) blocks Akt activation. igtp protein tyrosine kinase 2 Homo sapiens
5 However, FRNK transfection and phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 both blocked the IGTP-induced translocation and NF-kappaB activation. igtp protein tyrosine kinase 2 Homo sapiens
6 Furthermore, silencing NF-kappaB with siRNAs significantly inhibited the phosphorylation of FAK and Akt, but not their total expression levels, indicating that NF-kappaB activation is required for the IGTP-induced activation of FAK and PI3K/Akt. igtp protein tyrosine kinase 2 Homo sapiens
7 Furthermore, silencing NF-kappaB with siRNAs significantly inhibited the phosphorylation of FAK and Akt, but not their total expression levels, indicating that NF-kappaB activation is required for the IGTP-induced activation of FAK and PI3K/Akt. igtp protein tyrosine kinase 2 Homo sapiens